Collapse apex-pdp maven model submodules

This review collapses all the code in six podel submodules into a single
model module. There are no code changes, just files moved around.

This change reduces the complexity of the code structure and speeds up
the build.

Issue-ID: POLICY-1820
Change-Id: Ifb644e8ec85ae6d0987378f4616fbc8a8858a9a8
Signed-off-by: liamfallon <liam.fallon@est.tech>

60 files changed, 0 insertions, 7403 deletions

diff --git a/model/basic-model/pom.xml b/model/basic-model/pom.xml
deleted file mode 100644
index 45d9978cf..000000000
--- a/model/basic-model/pom.xml
+++ /dev/null
@@ -1,83 +0,0 @@
-<!--
-  ============LICENSE_START=======================================================
-   Copyright (c) 2020,2022 Nordix Foundation.
-  ================================================================================
-  Licensed under the Apache License, Version 2.0 (the "License");
-  you may not use this file except in compliance with the License.
-  You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-  Unless required by applicable law or agreed to in writing, software
-  distributed under the License is distributed on an "AS IS" BASIS,
-  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  See the License for the specific language governing permissions and
-  limitations under the License.
-
-  SPDX-License-Identifier: Apache-2.0
-  ============LICENSE_END=========================================================
--->
-
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <parent>
-        <groupId>org.onap.policy.apex-pdp.model</groupId>
-        <artifactId>model</artifactId>
-        <version>2.7.1-SNAPSHOT</version>
-    </parent>
-
-    <artifactId>basic-model</artifactId>
-    <name>${project.artifactId}</name>
-    <description>Basic Models used and model handling in Apex</description>
-    <properties>
-        <sonar.exclusions>
-            **/package-info.java,
-            **/TestApexModel.java,
-            **/TestApexModelCreator.java
-        </sonar.exclusions>
-    </properties>
-
-    <dependencies>
-        <dependency>
-            <groupId>org.onap.policy.common</groupId>
-            <artifactId>utils</artifactId>
-            <exclusions>
-                <exclusion>
-                    <groupId>javax.xml.bind</groupId>
-                    <artifactId>jaxb-api</artifactId>
-                </exclusion>
-            </exclusions>
-        </dependency>
-        <dependency>
-            <groupId>org.onap.policy.apex-pdp.model</groupId>
-            <artifactId>utilities</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>javax.xml.bind</groupId>
-            <artifactId>jaxb-api</artifactId>
-            <version>${version.javax.bind}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.glassfish.jaxb</groupId>
-            <artifactId>jaxb-runtime</artifactId>
-            <version>${version.javax.bind}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.glassfish</groupId>
-            <artifactId>javax.json</artifactId>
-            <version>${version.javax.json}</version>
-        </dependency>
-        <dependency>
-            <groupId>javax.json</groupId>
-            <artifactId>javax.json-api</artifactId>
-            <version>${version.javax.json}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.mockito</groupId>
-            <artifactId>mockito-all</artifactId>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
-</project>
\ No newline at end of file
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/ApexConceptException.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/ApexConceptException.java
deleted file mode 100644
index d62818dc8..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/ApexConceptException.java
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * 
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-/**
- * This class is an exception thrown on Apex Concept errors.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- */
-public class ApexConceptException extends ApexException {
-    private static final long serialVersionUID = -8507246953751956974L;
-
-    /**
-     * Instantiates a new apex concept exception.
-     *
-     * @param message the message on the exception
-     */
-    public ApexConceptException(final String message) {
-        super(message);
-    }
-
-    /**
-     * Instantiates a new apex concept exception.
-     *
-     * @param message the message on the exception
-     * @param exception the exception that caused this Apex exception
-     */
-    public ApexConceptException(final String message, final Exception exception) {
-        super(message, exception);
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/ApexException.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/ApexException.java
deleted file mode 100644
index 2eca2f783..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/ApexException.java
+++ /dev/null
@@ -1,111 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2021 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-/**
- * This class is a base exception from which all Apex exceptions are sub classes.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- */
-public class ApexException extends Exception {
-    private static final long serialVersionUID = -8507246953751956974L;
-
-    // The object on which the exception was thrown
-    private final transient Object object;
-
-    /**
-     * Instantiates a new apex exception.
-     *
-     * @param message the message on the exception
-     */
-    public ApexException(final String message) {
-        this(message, null);
-    }
-
-    /**
-     * Instantiates a new apex exception.
-     *
-     * @param message the message on the exception
-     * @param object the object that the exception was thrown on
-     */
-    public ApexException(final String message, final Object object) {
-        super(message);
-        this.object = object;
-    }
-
-    /**
-     * Instantiates a new apex exception.
-     *
-     * @param message the message on the exception
-     * @param exception the exception that caused this Apex exception
-     */
-    public ApexException(final String message, final Exception exception) {
-        this(message, exception, null);
-    }
-
-    /**
-     * Instantiates a new apex exception.
-     *
-     * @param message the message on the exception
-     * @param exception the exception that caused this Apex exception
-     * @param object the object that the exception was thrown on
-     */
-    public ApexException(final String message, final Exception exception, final Object object) {
-        super(message, exception);
-        this.object = object;
-    }
-
-    /**
-     * Get the message from this exception and its causes.
-     *
-     * @return the cascaded messages from this exception and the exceptions that caused it
-     */
-    public String getCascadedMessage() {
-        return buildCascadedMessage(this);
-    }
-
-    /**
-     * Build a cascaded message from an exception and all its nested exceptions.
-     * @param throwable the top level exception
-     * @return cascaded message string
-     */
-    public static String buildCascadedMessage(Throwable throwable) {
-        final var builder = new StringBuilder();
-        builder.append(throwable.getMessage());
-
-        for (var t = throwable; t != null; t = t.getCause()) {
-            builder.append("\ncaused by: ");
-            builder.append(t.getMessage());
-        }
-
-        return builder.toString();
-    }
-
-    /**
-     * Get the object on which the exception was thrown.
-     *
-     * @return The object on which the exception was thrown
-     */
-    public Object getObject() {
-        return object;
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/ApexRuntimeException.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/ApexRuntimeException.java
deleted file mode 100644
index b4240ad0f..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/ApexRuntimeException.java
+++ /dev/null
@@ -1,93 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * 
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-/**
- * This class is a base run time exception from which all Apex run time exceptions are sub classes.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- */
-public class ApexRuntimeException extends RuntimeException {
-    private static final long serialVersionUID = -8507246953751956974L;
-
-    // The object on which the exception was thrown
-    private final transient Object object;
-
-    /**
-     * Instantiates a new apex runtime exception.
-     *
-     * @param message the message on the exception
-     */
-    public ApexRuntimeException(final String message) {
-        this(message, null);
-    }
-
-    /**
-     * Instantiates a new apex runtime exception.
-     *
-     * @param message the message on the exception
-     * @param object the object that the exception was thrown on
-     */
-    public ApexRuntimeException(final String message, final Object object) {
-        super(message);
-        this.object = object;
-    }
-
-    /**
-     * Instantiates a new apex runtime exception.
-     *
-     * @param message the message on the exception
-     * @param exception the exception that caused this Apex exception
-     */
-    public ApexRuntimeException(final String message, final Exception exception) {
-        this(message, exception, null);
-    }
-
-    /**
-     * Instantiates a new apex runtime exception.
-     *
-     * @param message the message on the exception
-     * @param exception the exception that caused this Apex exception
-     * @param object the object that the exception was thrown on
-     */
-    public ApexRuntimeException(final String message, final Exception exception, final Object object) {
-        super(message, exception);
-        this.object = object;
-    }
-
-    /**
-     * Get the message from this exception and its causes.
-     *
-     * @return the message of this exception and all the exceptions that caused this exception
-     */
-    public String getCascadedMessage() {
-        return ApexException.buildCascadedMessage(this);
-    }
-
-    /**
-     * Get the object on which the exception was thrown.
-     *
-     * @return The object
-     */
-    public Object getObject() {
-        return object;
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxArtifactKey.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxArtifactKey.java
deleted file mode 100644
index 1efe83db8..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxArtifactKey.java
+++ /dev/null
@@ -1,344 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019-2022 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import java.util.ArrayList;
-import java.util.List;
-import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult.ValidationResult;
-import org.onap.policy.common.utils.validation.Assertions;
-
-/**
- * An artifact key uniquely identifies every first order entity in the system. Every first order concept in the system
- * must have an {@link AxArtifactKey} to identify it. Concepts that are wholly contained in another concept are
- * identified using a {@link AxReferenceKey} key.
- *
- * <p>Key validation checks that the name and version fields match the NAME_REGEXP and VERSION_REGEXP
- * regular expressions respectively.
- */
-public class AxArtifactKey extends AxKey {
-    private static final long serialVersionUID = 8932717618579392561L;
-
-    private static final String NAME_TOKEN = "name";
-    private static final String VERSION_TOKEN = "version";
-
-    private String name;
-    private String version;
-
-    /**
-     * The default constructor creates a null artifact key.
-     */
-    public AxArtifactKey() {
-        this(NULL_KEY_NAME, NULL_KEY_VERSION);
-    }
-
-    /**
-     * Copy constructor.
-     *
-     * @param copyConcept the concept to copy from
-     */
-    public AxArtifactKey(final AxArtifactKey copyConcept) {
-        super(copyConcept);
-    }
-
-    /**
-     * Constructor to create a key with the specified name and version.
-     *
-     * @param name the key name
-     * @param version the key version
-     */
-    public AxArtifactKey(final String name, final String version) {
-        super();
-        this.name = Assertions.validateStringParameter(NAME_TOKEN, name, NAME_REGEXP);
-        this.version = Assertions.validateStringParameter(VERSION_TOKEN, version, VERSION_REGEXP);
-    }
-
-    /**
-     * Constructor to create a key using the key and version from the specified key ID.
-     *
-     * @param id the key ID in a format that respects the KEY_ID_REGEXP
-     */
-    public AxArtifactKey(final String id) {
-        Assertions.argumentNotNull(id, "id may not be null");
-
-        // Check the incoming ID is valid
-        Assertions.validateStringParameter("id", id, KEY_ID_REGEXP);
-
-        // Split on colon, if the id passes the regular expression test above
-        // it'll have just one colon separating the name and version
-        // No need for range checks or size checks on the array
-        final String[] nameVersionArray = id.split(":");
-
-        // Return the new key
-        name = Assertions.validateStringParameter(NAME_TOKEN, nameVersionArray[0], NAME_REGEXP);
-        version = Assertions.validateStringParameter(VERSION_TOKEN, nameVersionArray[1], VERSION_REGEXP);
-    }
-
-    /**
-     * Get a null artifact key.
-     *
-     * @return a null artifact key
-     */
-    public static final AxArtifactKey getNullKey() {
-        return new AxArtifactKey(AxKey.NULL_KEY_NAME, AxKey.NULL_KEY_VERSION);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxArtifactKey getKey() {
-        return this;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public List<AxKey> getKeys() {
-        final List<AxKey> keyList = new ArrayList<>();
-        keyList.add(getKey());
-        return keyList;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String getId() {
-        return name + ':' + version;
-    }
-
-    /**
-     * Gets the key name.
-     *
-     * @return the key name
-     */
-    public String getName() {
-        return name;
-    }
-
-    /**
-     * Sets the key name.
-     *
-     * @param name the key name
-     */
-    public void setName(final String name) {
-        this.name = Assertions.validateStringParameter(NAME_TOKEN, name, NAME_REGEXP);
-    }
-
-    /**
-     * Gets the key version.
-     *
-     * @return the key version
-     */
-    public String getVersion() {
-        return version;
-    }
-
-    /**
-     * Sets the key version.
-     *
-     * @param version the key version
-     */
-    public void setVersion(final String version) {
-        this.version = Assertions.validateStringParameter(VERSION_TOKEN, version, VERSION_REGEXP);
-    }
-
-    /**
-     * Check if the key is IDENTICAL to a null key.
-     *
-     * @return true, if the key is IDENTICAL to a null key
-     */
-    public boolean isNullKey() {
-        return this.getCompatibility(AxArtifactKey.getNullKey()).equals(AxKey.Compatibility.IDENTICAL);
-    }
-
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxKey.Compatibility getCompatibility(final AxKey otherKey) {
-        if (!(otherKey instanceof AxArtifactKey)) {
-            return Compatibility.DIFFERENT;
-        }
-        final AxArtifactKey otherArtifactKey = (AxArtifactKey) otherKey;
-
-        if (this.equals(otherArtifactKey)) {
-            return Compatibility.IDENTICAL;
-        }
-        if (!this.getName().equals(otherArtifactKey.getName())) {
-            return Compatibility.DIFFERENT;
-        }
-
-        final String[] thisVersionArray = getVersion().split("\\.");
-        final String[] otherVersionArray = otherArtifactKey.getVersion().split("\\.");
-
-        // There must always be at least one element in each version
-        if (!thisVersionArray[0].equals(otherVersionArray[0])) {
-            return Compatibility.MAJOR;
-        }
-
-        if (thisVersionArray.length >= 2 && otherVersionArray.length >= 2
-                        && !thisVersionArray[1].equals(otherVersionArray[1])) {
-            return Compatibility.MINOR;
-        }
-
-        return Compatibility.PATCH;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public boolean isCompatible(final AxKey otherKey) {
-        if (!(otherKey instanceof AxArtifactKey)) {
-            return false;
-        }
-        final AxArtifactKey otherArtifactKey = (AxArtifactKey) otherKey;
-
-        final var compatibility = this.getCompatibility(otherArtifactKey);
-
-        return !(compatibility == Compatibility.DIFFERENT || compatibility == Compatibility.MAJOR);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxValidationResult validate(final AxValidationResult result) {
-        final var nameValidationErrorMessage = Assertions.getStringParameterValidationMessage(NAME_TOKEN, name,
-                        NAME_REGEXP);
-        if (nameValidationErrorMessage != null) {
-            result.addValidationMessage(new AxValidationMessage(this, this.getClass(), ValidationResult.INVALID,
-                            "name invalid-" + nameValidationErrorMessage));
-        }
-
-        final var versionValidationErrorMessage = Assertions.getStringParameterValidationMessage(VERSION_TOKEN,
-                        version, VERSION_REGEXP);
-        if (versionValidationErrorMessage != null) {
-            result.addValidationMessage(new AxValidationMessage(this, this.getClass(), ValidationResult.INVALID,
-                            "version invalid-" + versionValidationErrorMessage));
-        }
-
-        return result;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void clean() {
-        name = Assertions.validateStringParameter(NAME_TOKEN, name, NAME_REGEXP);
-        version = Assertions.validateStringParameter(VERSION_TOKEN, version, VERSION_REGEXP);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String toString() {
-        final var builder = new StringBuilder();
-        builder.append(this.getClass().getSimpleName());
-        builder.append(":(");
-        builder.append("name=");
-        builder.append(name);
-        builder.append(",version=");
-        builder.append(version);
-        builder.append(")");
-        return builder.toString();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxConcept copyTo(final AxConcept target) {
-        Assertions.argumentNotNull(target, "target may not be null");
-
-        final AxConcept copyObject = target;
-        Assertions.instanceOf(copyObject, AxArtifactKey.class);
-
-        final AxArtifactKey copy = ((AxArtifactKey) copyObject);
-        copy.setName(name);
-        copy.setVersion(version);
-
-        return copyObject;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public int hashCode() {
-        final var prime = 31;
-        var result = 1;
-        result = prime * result + name.hashCode();
-        result = prime * result + version.hashCode();
-        return result;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public boolean equals(final Object obj) {
-        if (obj == null) {
-            return false;
-        }
-        if (this == obj) {
-            return true;
-        }
-        if (getClass() != obj.getClass()) {
-            return false;
-        }
-
-        final AxArtifactKey other = (AxArtifactKey) obj;
-
-        if (!name.equals(other.name)) {
-            return false;
-        }
-        return version.equals(other.version);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public int compareTo(final AxConcept otherObj) {
-        Assertions.argumentNotNull(otherObj, "comparison object may not be null");
-
-        if (this == otherObj) {
-            return 0;
-        }
-        if (getClass() != otherObj.getClass()) {
-            return this.hashCode() - otherObj.hashCode();
-        }
-
-        final AxArtifactKey other = (AxArtifactKey) otherObj;
-
-        if (!name.equals(other.name)) {
-            return name.compareTo(other.name);
-        }
-        return version.compareTo(other.version);
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxConcept.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxConcept.java
deleted file mode 100644
index 37fe30b33..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxConcept.java
+++ /dev/null
@@ -1,137 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019,2022 Nordix Foundation.
- *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import java.io.Serializable;
-import java.util.List;
-import org.onap.policy.common.utils.validation.Assertions;
-
-/**
- * This class is the base class for all Apex concept classes. It enforces implementation of abstract methods and
- * interfaces on all concepts that are sub-classes of this class.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- */
-public abstract class AxConcept implements Serializable, Comparable<AxConcept> {
-    private static final long serialVersionUID = -7434939557282697490L;
-
-    /**
-     * Default constructor.
-     */
-    protected AxConcept() {
-        // Default constructor
-    }
-
-    /**
-     * Copy constructor.
-     *
-     * @param copyConcept the concept to copy from
-     */
-    protected AxConcept(final AxConcept copyConcept) {
-        Assertions.argumentNotNull(copyConcept, "copy concept may not be null");
-        copyConcept.copyTo(this);
-    }
-
-    /**
-     * Gets the key of this concept.
-     *
-     * @return the concept key
-     */
-    public abstract AxKey getKey();
-
-    /**
-     * Gets a list of all keys for this concept and all concepts that are defined or referenced by this concept and its
-     * sub-concepts.
-     *
-     * @return the keys used by this concept and it's contained concepts
-     */
-    public abstract List<AxKey> getKeys();
-
-    /**
-     * Validate that this concept is structurally correct.
-     *
-     * @param result the parameter in which the result of the validation will be returned
-     * @return the validation result that was passed in in the @{link result} field with the result of this validation
-     *         added
-     */
-    public abstract AxValidationResult validate(AxValidationResult result);
-
-    /**
-     * Clean this concept, tidy up any superfluous information such as leading and trailing white space.
-     */
-    public abstract void clean();
-
-    /**
-     * Builds references used by a concept.
-     */
-    public void buildReferences() {
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public abstract boolean equals(Object otherObject);
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public abstract String toString();
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public abstract int hashCode();
-
-    /**
-     * Copy this concept to another object. The target object must have the same class as the source object.
-     *
-     * @param target the target object to which this object is copied
-     * @return the copied object
-     */
-    public abstract AxConcept copyTo(AxConcept target);
-
-    /**
-     * Gets the ID string of this concept.
-     *
-     * @return the ID string of this concept
-     */
-    public String getId() {
-        return getKey().getId();
-    }
-
-    /**
-     * Checks if this key matches the given key ID.
-     *
-     * @param id the key ID to match against
-     * @return true, if this key matches the ID
-     */
-    public final boolean matchesId(final String id) {
-        Assertions.argumentNotNull(id, "id may not be null");
-
-        // Check the ID
-        return getId().equals(id);
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxConceptGetter.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxConceptGetter.java
deleted file mode 100644
index 0284de48a..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxConceptGetter.java
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * 
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import java.util.Set;
-
-/**
- * This interface is used to allow get methods to be placed on concepts that have embedded maps.
- * 
- * <p>It forces those concepts with maps to implement the get methods specified on this interface as convenience methods
- * to avoid concept users having to use a second level of referencing to access concepts in the the maps.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- * @param <C> the type of concept on which the interface is applied.
- */
-public interface AxConceptGetter<C> {
-
-    /**
-     * Get the latest version for a concept with the given key.
-     *
-     * @param conceptKey The key of the concept
-     * @return The concept
-     */
-    C get(AxArtifactKey conceptKey);
-
-    /**
-     * Get the latest version for a concept with the given key name.
-     *
-     * @param conceptKeyName The name of the concept
-     * @return The concept
-     */
-    C get(String conceptKeyName);
-
-    /**
-     * Get the latest version for a concept with the given key name and version.
-     *
-     * @param conceptKeyName The name of the concept
-     * @param conceptKeyVersion The version of the concept
-     * @return The concept
-     */
-    C get(String conceptKeyName, String conceptKeyVersion);
-
-    /**
-     * Get the all versions for a concept with the given key name.
-     *
-     * @param conceptKeyName The name of the concept
-     * @return The concepts
-     */
-    Set<C> getAll(String conceptKeyName);
-
-    /**
-     * Get the all versions for a concept with the given key name and starting version.
-     *
-     * @param conceptKeyName The name of the concept
-     * @param conceptKeyVersion The first version version of the concept to get
-     * @return The concepts
-     */
-    Set<C> getAll(String conceptKeyName, String conceptKeyVersion);
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxConceptGetterImpl.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxConceptGetterImpl.java
deleted file mode 100644
index 9c907da9c..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxConceptGetterImpl.java
+++ /dev/null
@@ -1,143 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019-2021 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import java.util.NavigableMap;
-import java.util.Set;
-import java.util.TreeSet;
-import org.onap.policy.common.utils.validation.Assertions;
-
-/**
- * Implements concept getting from navigable maps.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- * @param <C> the type of concept on which the interface implementation is applied.
- */
-public class AxConceptGetterImpl<C> implements AxConceptGetter<C> {
-
-    // The map from which to get concepts
-    private final NavigableMap<AxArtifactKey, C> conceptMap;
-
-    /**
-     * Constructor that sets the concept map on which the getter methods in the interface will operate..
-     *
-     * @param conceptMap the concept map on which the method will operate
-     */
-    public AxConceptGetterImpl(final NavigableMap<AxArtifactKey, C> conceptMap) {
-        this.conceptMap = conceptMap;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public C get(final AxArtifactKey conceptKey) {
-        return conceptMap.get(conceptKey);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public C get(final String conceptKeyName) {
-        Assertions.argumentNotNull(conceptKeyName, "conceptKeyName may not be null");
-
-        // The very fist key that could have this name
-        final var lowestArtifactKey = new AxArtifactKey(conceptKeyName, "0.0.1");
-
-        // Check if we found a key for our name
-        AxArtifactKey foundKey = conceptMap.ceilingKey(lowestArtifactKey);
-        if (foundKey == null || !foundKey.getName().equals(conceptKeyName)) {
-            return null;
-        }
-
-        // Look for higher versions of the key
-        do {
-            final AxArtifactKey nextkey = conceptMap.higherKey(foundKey);
-            if (nextkey == null || !nextkey.getName().equals(conceptKeyName)) {
-                break;
-            }
-            foundKey = nextkey;
-        } while (true);
-
-        return conceptMap.get(foundKey);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public C get(final String conceptKeyName, final String conceptKeyVersion) {
-        Assertions.argumentNotNull(conceptKeyName, "conceptKeyName may not be null");
-
-        if (conceptKeyVersion != null) {
-            return conceptMap.get(new AxArtifactKey(conceptKeyName, conceptKeyVersion));
-        } else {
-            return this.get(conceptKeyName);
-        }
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public Set<C> getAll(final String conceptKeyName) {
-        return getAll(conceptKeyName, null);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public Set<C> getAll(final String conceptKeyName, final String conceptKeyVersion) {
-        final Set<C> returnSet = new TreeSet<>();
-
-        if (conceptKeyName == null) {
-            returnSet.addAll(conceptMap.values());
-            return returnSet;
-        }
-
-        // The very fist key that could have this name
-        final var lowestArtifactKey = new AxArtifactKey(conceptKeyName, "0.0.1");
-        if (conceptKeyVersion != null) {
-            lowestArtifactKey.setVersion(conceptKeyVersion);
-        }
-
-        // Check if we found a key for our name
-        AxArtifactKey foundKey = conceptMap.ceilingKey(lowestArtifactKey);
-        if (foundKey == null || !foundKey.getName().equals(conceptKeyName)) {
-            return returnSet;
-        }
-        returnSet.add(conceptMap.get(foundKey));
-
-        // Look for higher versions of the key
-        do {
-            foundKey = conceptMap.higherKey(foundKey);
-            if (foundKey == null || !foundKey.getName().equals(conceptKeyName)) {
-                break;
-            }
-            returnSet.add(conceptMap.get(foundKey));
-        } while (true);
-
-        return returnSet;
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxKey.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxKey.java
deleted file mode 100644
index 1b6f0148f..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxKey.java
+++ /dev/null
@@ -1,105 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-/**
- * The key uniquely identifies every entity in the system. This class is an abstract class to give a common parent for
- * all key types in the system.
- */
-public abstract class AxKey extends AxConcept {
-    private static final long serialVersionUID = 6281159885962014041L;
-
-    /** Regular expression to specify the structure of key names. */
-    public static final String NAME_REGEXP = "[A-Za-z0-9\\-_\\.]+";
-
-    /** Regular expression to specify the structure of key versions. */
-    public static final String VERSION_REGEXP = "[A-Za-z0-9.]+";
-
-    /** Regular expression to specify the structure of key IDs. */
-    public static final String KEY_ID_REGEXP = "[A-Za-z0-9\\-_\\.]+:[0-9].[0-9].[0-9]";
-
-    /** Specifies the value for names in NULL keys. */
-    public static final String NULL_KEY_NAME = "NULL";
-
-    /** Specifies the value for versions in NULL keys. */
-    public static final String NULL_KEY_VERSION = "0.0.0";
-
-    /**
-     * This enumeration is returned on key compatibility checks.
-     */
-    public enum Compatibility {
-        /** The keys have different names. */
-        DIFFERENT,
-        /**
-         * The name of the key matches but the Major version number of the keys is different (x in x.y.z do not match).
-         */
-        MAJOR,
-        /**
-         * The name of the key matches but the Minor version number of the keys is different (y in x.y.z do not match).
-         */
-        MINOR,
-        /**
-         * The name of the key matches but the Patch version number of the keys is different (z in x.y.z do not match).
-         */
-        PATCH,
-        /** The keys match completely. */
-        IDENTICAL
-    }
-
-    /**
-     * Default constructor.
-     */
-    protected AxKey() {
-        super();
-    }
-
-    /**
-     * Copy constructor.
-     *
-     * @param copyConcept the concept to copy from
-     */
-    protected AxKey(final AxKey copyConcept) {
-        super(copyConcept);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public abstract String getId();
-
-    /**
-     * Return the result of a compatibility check of two keys.
-     *
-     * @param otherKey the key to check compatibility against
-     * @return the compatibility result of the check
-     */
-    public abstract Compatibility getCompatibility(AxKey otherKey);
-
-    /**
-     * Check if two keys are compatible, that is the keys are IDENTICAL or have only MINOR, PATCH differences.
-     *
-     * @param otherKey the key to check compatibility against
-     * @return true, if the keys are compatible
-     */
-    public abstract boolean isCompatible(AxKey otherKey);
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyInfo.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyInfo.java
deleted file mode 100644
index bd3b18ec9..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyInfo.java
+++ /dev/null
@@ -1,317 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019-2022 Nordix Foundation.
- *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import com.google.gson.annotations.SerializedName;
-import java.util.List;
-import java.util.Random;
-import java.util.UUID;
-import org.apache.commons.lang3.StringUtils;
-import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult.ValidationResult;
-import org.onap.policy.common.utils.validation.Assertions;
-
-/**
- * The key information on an {@link AxArtifactKey} key in an Apex policy model. Each {@link AxArtifactKey} must have an
- * {@link AxKeyInfo} object. THe information held is the key's UUID and it's description.
- *
- * <p>Validation checks that all fields are defined and that the key is valid. It also observes that descriptions are
- * blank and warns if the UUID is a zero UUID.
- */
-public class AxKeyInfo extends AxConcept {
-    private static final long serialVersionUID = -4023935924068914308L;
-
-    private static final int UUID_BYTE_LENGTH_16 = 16;
-
-    /*
-     * This is not used for encryption/security, thus disabling sonar.
-     */
-    private static final Random sharedRandom = new Random();    // NOSONAR
-
-    private AxArtifactKey key;
-
-    @SerializedName("UUID")
-    private UUID uuid;
-
-    private String description;
-
-    /**
-     * The Default Constructor creates this concept with a NULL artifact key.
-     */
-    public AxKeyInfo() {
-        this(new AxArtifactKey());
-    }
-
-    /**
-     * Copy constructor.
-     *
-     * @param copyConcept the concept to copy from
-     */
-    public AxKeyInfo(final AxKeyInfo copyConcept) {
-        super(copyConcept);
-    }
-
-    /**
-     * Constructor to create this concept with the specified key.
-     *
-     * @param key the key of the concept
-     */
-    public AxKeyInfo(final AxArtifactKey key) {
-        this(key, UUID.randomUUID(), "Generated description for concept referred to by key \"" + key.getId() + "\"");
-    }
-
-    /**
-     * Constructor to create this concept and set all its fields.
-     *
-     * @param key the key of the concept
-     * @param uuid the UUID of the concept
-     * @param description the description of the concept
-     */
-    public AxKeyInfo(final AxArtifactKey key, final UUID uuid, final String description) {
-        super();
-        Assertions.argumentNotNull(key, "key may not be null");
-        Assertions.argumentNotNull(uuid, "uuid may not be null");
-        Assertions.argumentNotNull(description, "description may not be null");
-
-        this.key = key;
-        this.uuid = uuid;
-        this.description = description.trim();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxArtifactKey getKey() {
-        return key;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public List<AxKey> getKeys() {
-        return key.getKeys();
-    }
-
-    /**
-     * Sets the key of the concept.
-     *
-     * @param key the concept key
-     */
-    public void setKey(final AxArtifactKey key) {
-        Assertions.argumentNotNull(key, "key may not be null");
-        this.key = key;
-    }
-
-    /**
-     * Gets the UUID of the concept.
-     *
-     * @return the uuid of the concept
-     */
-    public UUID getUuid() {
-        return uuid;
-    }
-
-    /**
-     * Sets the UUID of the concept.
-     *
-     * @param uuid the uuid of the concept
-     */
-    public void setUuid(final UUID uuid) {
-        Assertions.argumentNotNull(uuid, "uuid may not be null");
-        this.uuid = uuid;
-    }
-
-    /**
-     * Gets the description of the concept.
-     *
-     * @return the description of the concept
-     */
-    public String getDescription() {
-        return description;
-    }
-
-    /**
-     * Sets the description of the concept.
-     *
-     * @param description the description of the concept
-     */
-    public void setDescription(final String description) {
-        Assertions.argumentNotNull(description, "description may not be null");
-        this.description = description.trim();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxValidationResult validate(final AxValidationResult resultIn) {
-        AxValidationResult result = resultIn;
-
-        if (key.equals(AxArtifactKey.getNullKey())) {
-            result.addValidationMessage(
-                    new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID, "key is a null key"));
-        }
-
-        result = key.validate(result);
-
-        if (description.trim().length() == 0) {
-            result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.OBSERVATION,
-                    "description is blank"));
-        }
-
-        if (uuid.equals(new UUID(0, 0))) {
-            result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.WARNING,
-                    "UUID is a zero UUID: " + new UUID(0, 0)));
-        }
-
-        return result;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void clean() {
-        key.clean();
-        description = description.trim();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String toString() {
-        final var builder = new StringBuilder();
-        builder.append(this.getClass().getSimpleName());
-        builder.append(":(");
-        builder.append("artifactId=");
-        builder.append(key);
-        builder.append(",uuid=");
-        builder.append(uuid);
-        builder.append(",description=");
-        builder.append(description);
-        builder.append(")");
-        return builder.toString();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxConcept copyTo(final AxConcept target) {
-        Assertions.argumentNotNull(target, "target may not be null");
-
-        final Object copyObject = target;
-        Assertions.instanceOf(copyObject, AxKeyInfo.class);
-
-        final AxKeyInfo copy = ((AxKeyInfo) copyObject);
-        copy.setKey(new AxArtifactKey(key));
-        copy.setUuid(UUID.fromString(uuid.toString()));
-        copy.setDescription(description);
-
-        return copy;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public int hashCode() {
-        final var prime = 31;
-        var result = 1;
-        result = prime * result + key.hashCode();
-        result = prime * result + uuid.hashCode();
-        result = prime * result + description.hashCode();
-        return result;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public boolean equals(final Object obj) {
-        if (obj == null) {
-            return false;
-        }
-        if (this == obj) {
-            return true;
-        }
-        if (getClass() != obj.getClass()) {
-            return false;
-        }
-
-        final AxKeyInfo other = (AxKeyInfo) obj;
-        if (!key.equals(other.key)) {
-            return false;
-        }
-        if (!uuid.equals(other.uuid)) {
-            return false;
-        }
-        return description.equals(description);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public int compareTo(final AxConcept otherObj) {
-        if (otherObj == null) {
-            return -1;
-        }
-        if (this == otherObj) {
-            return 0;
-        }
-        if (getClass() != otherObj.getClass()) {
-            return this.hashCode() - otherObj.hashCode();
-        }
-
-        final AxKeyInfo other = (AxKeyInfo) otherObj;
-        if (!key.equals(other.key)) {
-            return key.compareTo(other.key);
-        }
-        if (!uuid.equals(other.uuid)) {
-            return uuid.compareTo(other.uuid);
-        }
-        return description.compareTo(other.description);
-    }
-
-    /**
-     * Generate a reproducible UUID for a given string seed.
-     *
-     * @param seed the seed
-     * @return the uuid
-     */
-    public static UUID generateReproducibleUuid(final String seed) {
-        var random = sharedRandom;
-        if (!StringUtils.isEmpty(seed)) {
-            /*
-             * This is not used for encryption/security, thus disabling sonar.
-             */
-            random = new Random(seed.hashCode());   // NOSONAR
-        }
-        final var array = new byte[UUID_BYTE_LENGTH_16];
-        random.nextBytes(array);
-        return UUID.nameUUIDFromBytes(array);
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyInformation.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyInformation.java
deleted file mode 100644
index 439b2960f..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyInformation.java
+++ /dev/null
@@ -1,389 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019-2022 Nordix Foundation.
- *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.NavigableMap;
-import java.util.Set;
-import java.util.TreeMap;
-import java.util.TreeSet;
-import java.util.UUID;
-import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult.ValidationResult;
-import org.onap.policy.common.utils.validation.Assertions;
-
-/**
- * The Class AxKeyInformation holds a map of the key information for the entire Apex model. All Apex models
- * {@link AxModel} must have an {@link AxKeyInformation} field. The {@link AxKeyInformation} class implements the helper
- * methods of the {@link AxConceptGetter} interface to allow {@link AxKeyInfo} instances to be retrieved by calling
- * methods directly on this class without referencing the contained map.
- *
- * <p>Validation checks that the key is not null, that the key information map is not empty, that each key and value in
- * the map is defined, that the key in each map entry matches the key if each entry value, and that no duplicate UUIDs
- * exist. Each key information entry is then validated individually.
- */
-public class AxKeyInformation extends AxConcept implements AxConceptGetter<AxKeyInfo> {
-    private static final long serialVersionUID = -2746380769017043888L;
-
-    private AxArtifactKey key;
-    private Map<AxArtifactKey, AxKeyInfo> keyInfoMap;
-
-    /**
-     * The Default Constructor creates this concept with a null key.
-     */
-    public AxKeyInformation() {
-        this(new AxArtifactKey());
-    }
-
-    /**
-     * Copy constructor.
-     *
-     * @param copyConcept the concept to copy from
-     */
-    public AxKeyInformation(final AxKeyInformation copyConcept) {
-        super(copyConcept);
-    }
-
-    /**
-     * Constructor to create this concept with the specified key.
-     *
-     * @param key the key of the concept
-     */
-    public AxKeyInformation(final AxArtifactKey key) {
-        this(key, new TreeMap<>());
-    }
-
-    /**
-     * Constructor to create this concept and set all its fields.
-     *
-     * @param key the key of the concept
-     * @param keyInfoMap the key info map of the concept
-     */
-    public AxKeyInformation(final AxArtifactKey key, final Map<AxArtifactKey, AxKeyInfo> keyInfoMap) {
-        super();
-        Assertions.argumentNotNull(key, "key may not be null");
-        Assertions.argumentNotNull(keyInfoMap, "keyInfoMap may not be null");
-
-        this.key = key;
-        this.keyInfoMap = new TreeMap<>();
-        this.keyInfoMap.putAll(keyInfoMap);
-    }
-
-    /**
-     * This method generates default key information for all keys found in the concept passed in as a parameter that do
-     * not already have key information.
-     *
-     * @param concept the concept for which to generate key information
-     */
-    public void generateKeyInfo(final AxConcept concept) {
-        for (final AxKey axKey : concept.getKeys()) {
-            if (!(axKey instanceof AxArtifactKey)) {
-                continue;
-            }
-
-            final AxArtifactKey artifactKey = (AxArtifactKey) axKey;
-
-            keyInfoMap.computeIfAbsent(artifactKey, unusedKey -> {
-                final var keyInfo = new AxKeyInfo(artifactKey);
-                // generate a reproducible UUID
-                keyInfo.setUuid(AxKeyInfo.generateReproducibleUuid(keyInfo.getId() + keyInfo.getDescription()));
-                return keyInfo;
-            });
-        }
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxArtifactKey getKey() {
-        return key;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public List<AxKey> getKeys() {
-        final List<AxKey> keyList = key.getKeys();
-        keyList.addAll(keyInfoMap.keySet());
-
-        return keyList;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void buildReferences() {
-        keyInfoMap.values().stream().forEach(keyInfo -> keyInfo.buildReferences());
-    }
-
-    /**
-     * Sets the key of this concept.
-     *
-     * @param key the key of this concept
-     */
-    public void setKey(final AxArtifactKey key) {
-        Assertions.argumentNotNull(key, "key may not be null");
-        this.key = key;
-    }
-
-    /**
-     * Gets the key info map of this concept.
-     *
-     * @return the key info map of this concept
-     */
-    public Map<AxArtifactKey, AxKeyInfo> getKeyInfoMap() {
-        return keyInfoMap;
-    }
-
-    /**
-     * Sets the key info map of this concept.
-     *
-     * @param keyInfoMap the key info map of this concept
-     */
-    public void setKeyInfoMap(final Map<AxArtifactKey, AxKeyInfo> keyInfoMap) {
-        Assertions.argumentNotNull(keyInfoMap, "keyInfoMap may not be null");
-        this.keyInfoMap = new TreeMap<>();
-        this.keyInfoMap.putAll(keyInfoMap);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxValidationResult validate(final AxValidationResult resultIn) {
-        AxValidationResult result = resultIn;
-
-        if (key.equals(AxArtifactKey.getNullKey())) {
-            result.addValidationMessage(
-                    new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID, "key is a null key"));
-        }
-
-        result = key.validate(result);
-
-        if (keyInfoMap.size() == 0) {
-            result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID,
-                    "keyInfoMap may not be empty"));
-        } else {
-            final Set<UUID> uuidSet = new TreeSet<>();
-
-            for (final Entry<AxArtifactKey, AxKeyInfo> keyInfoEntry : keyInfoMap.entrySet()) {
-                result = validateKeyInfoEntry(keyInfoEntry, uuidSet, result);
-            }
-        }
-
-        return result;
-    }
-
-    /**
-     * Validate a key information entry.
-     *
-     * @param keyInfoEntry the key information entry
-     * @param uuidSet the set of UUIDs encountered in validation so far, the UUID of this entry is added to the set
-     * @param result the validation result to append to
-     * @return The validation result
-     */
-    private AxValidationResult validateKeyInfoEntry(final Entry<AxArtifactKey, AxKeyInfo> keyInfoEntry,
-            final Set<UUID> uuidSet, AxValidationResult result) {
-        if (keyInfoEntry.getKey().equals(AxArtifactKey.getNullKey())) {
-            result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID,
-                    "key on keyInfoMap entry " + keyInfoEntry.getKey() + " may not be the null key"));
-        } else if (keyInfoEntry.getValue() == null) {
-            result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID,
-                    "value on keyInfoMap entry " + keyInfoEntry.getKey() + " may not be null"));
-        } else {
-            if (!keyInfoEntry.getKey().equals(keyInfoEntry.getValue().getKey())) {
-                result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID,
-                        "key on keyInfoMap entry " + keyInfoEntry.getKey() + " does not equal entry key "
-                                + keyInfoEntry.getValue().getKey()));
-            }
-
-            result = keyInfoEntry.getValue().validate(result);
-
-            if (uuidSet.contains(keyInfoEntry.getValue().getUuid())) {
-                result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID,
-                        "duplicate UUID found on keyInfoMap entry " + keyInfoEntry.getKey() + ":"
-                                + keyInfoEntry.getValue().getUuid()));
-            } else {
-                uuidSet.add(keyInfoEntry.getValue().getUuid());
-            }
-        }
-
-        return result;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void clean() {
-        key.clean();
-        for (final Entry<AxArtifactKey, AxKeyInfo> keyInfoEntry : keyInfoMap.entrySet()) {
-            keyInfoEntry.getKey().clean();
-            keyInfoEntry.getValue().clean();
-        }
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String toString() {
-        final var builder = new StringBuilder();
-        builder.append(this.getClass().getSimpleName());
-        builder.append(":(");
-        builder.append("key=");
-        builder.append(key);
-        builder.append(",keyInfoMap=");
-        builder.append(keyInfoMap);
-        builder.append(")");
-        return builder.toString();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxConcept copyTo(final AxConcept target) {
-        Assertions.argumentNotNull(target, "target may not be null");
-
-        final Object copyObject = target;
-        Assertions.instanceOf(copyObject, AxKeyInformation.class);
-
-        final AxKeyInformation copy = ((AxKeyInformation) copyObject);
-        copy.setKey(new AxArtifactKey(key));
-        final Map<AxArtifactKey, AxKeyInfo> newKeyInfoMap = new TreeMap<>();
-        for (final Entry<AxArtifactKey, AxKeyInfo> keyInfoMapEntry : keyInfoMap.entrySet()) {
-            newKeyInfoMap.put(new AxArtifactKey(keyInfoMapEntry.getKey()), new AxKeyInfo(keyInfoMapEntry.getValue()));
-        }
-        copy.setKeyInfoMap(newKeyInfoMap);
-
-        return copy;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public int hashCode() {
-        final var prime = 31;
-        var result = 1;
-        result = prime * result + key.hashCode();
-        result = prime * result + keyInfoMap.hashCode();
-        return result;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public boolean equals(final Object obj) {
-        if (obj == null) {
-            return false;
-        }
-        if (this == obj) {
-            return true;
-        }
-
-        if (getClass() != obj.getClass()) {
-            return false;
-        }
-
-        final AxKeyInformation other = (AxKeyInformation) obj;
-        if (!key.equals(other.key)) {
-            return false;
-        }
-        return keyInfoMap.equals(other.keyInfoMap);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public int compareTo(final AxConcept otherObj) {
-        if (otherObj == null) {
-            return -1;
-        }
-        if (this == otherObj) {
-            return 0;
-        }
-        if (getClass() != otherObj.getClass()) {
-            return this.hashCode() - otherObj.hashCode();
-        }
-
-        final AxKeyInformation other = (AxKeyInformation) otherObj;
-        if (!key.equals(other.key)) {
-            return key.compareTo(other.key);
-        }
-        if (!keyInfoMap.equals(other.keyInfoMap)) {
-            return (keyInfoMap.hashCode() - other.keyInfoMap.hashCode());
-        }
-
-        return 0;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxKeyInfo get(final AxArtifactKey conceptKey) {
-        return new AxConceptGetterImpl<>((NavigableMap<AxArtifactKey, AxKeyInfo>) keyInfoMap).get(conceptKey);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxKeyInfo get(final String conceptKeyName) {
-        return new AxConceptGetterImpl<>((NavigableMap<AxArtifactKey, AxKeyInfo>) keyInfoMap).get(conceptKeyName);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxKeyInfo get(final String conceptKeyName, final String conceptKeyVersion) {
-        return new AxConceptGetterImpl<>((NavigableMap<AxArtifactKey, AxKeyInfo>) keyInfoMap).get(conceptKeyName,
-                conceptKeyVersion);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public Set<AxKeyInfo> getAll(final String conceptKeyName) {
-        return new AxConceptGetterImpl<>((NavigableMap<AxArtifactKey, AxKeyInfo>) keyInfoMap).getAll(conceptKeyName);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public Set<AxKeyInfo> getAll(final String conceptKeyName, final String conceptKeyVersion) {
-        return new AxConceptGetterImpl<>((NavigableMap<AxArtifactKey, AxKeyInfo>) keyInfoMap).getAll(conceptKeyName,
-                conceptKeyVersion);
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyUse.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyUse.java
deleted file mode 100644
index eb701e5b3..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyUse.java
+++ /dev/null
@@ -1,221 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019-2021 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import java.util.List;
-import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult.ValidationResult;
-import org.onap.policy.common.utils.validation.Assertions;
-
-/**
- * This class records a usage of a key in the system. When the list of keys being used by a concept is built using the
- * getKeys() method of the {@link AxConcept} class, an instance of this class is created for every key occurrence. The
- * list of keys returned by the getKeys() method is a list of {@link AxKeyUse} objects.
- *
- * <p>Validation checks that each key is valid.
- */
-
-public class AxKeyUse extends AxKey {
-    private static final long serialVersionUID = 2007147220109881705L;
-
-    private AxKey usedKey;
-
-    /**
-     * The Default Constructor creates this concept with a null key.
-     */
-    public AxKeyUse() {
-        this(new AxArtifactKey());
-    }
-
-    /**
-     * Copy constructor.
-     *
-     * @param copyConcept the concept to copy from
-     */
-    public AxKeyUse(final AxKeyUse copyConcept) {
-        super(copyConcept);
-    }
-
-    /**
-     * This constructor creates an instance of this class, and holds a reference to a used key.
-     *
-     * @param usedKey a used key
-     */
-    public AxKeyUse(final AxKey usedKey) {
-        Assertions.argumentNotNull(usedKey, "usedKey may not be null");
-        this.usedKey = usedKey;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxKey getKey() {
-        return usedKey;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public List<AxKey> getKeys() {
-        return usedKey.getKeys();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String getId() {
-        return usedKey.getId();
-    }
-
-    /**
-     * Sets the key.
-     *
-     * @param key the key
-     */
-    public void setKey(final AxKey key) {
-        Assertions.argumentNotNull(key, "usedKey may not be null");
-        this.usedKey = key;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxKey.Compatibility getCompatibility(final AxKey otherKey) {
-        return usedKey.getCompatibility(otherKey);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public boolean isCompatible(final AxKey otherKey) {
-        return usedKey.isCompatible(otherKey);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxValidationResult validate(final AxValidationResult result) {
-        if (usedKey.equals(AxArtifactKey.getNullKey())) {
-            result.addValidationMessage(new AxValidationMessage(usedKey, this.getClass(), ValidationResult.INVALID,
-                    "usedKey is a null key"));
-        }
-        return usedKey.validate(result);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void clean() {
-        usedKey.clean();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String toString() {
-        final var builder = new StringBuilder();
-        builder.append(this.getClass().getSimpleName());
-        builder.append(":(");
-        builder.append("usedKey=");
-        builder.append(usedKey);
-        builder.append(")");
-        return builder.toString();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxConcept copyTo(final AxConcept target) {
-        Assertions.argumentNotNull(target, "target may not be null");
-
-        final Object copyObject = target;
-        Assertions.instanceOf(copyObject, AxKeyUse.class);
-
-        final AxKeyUse copy = ((AxKeyUse) copyObject);
-        try {
-            copy.usedKey = usedKey.getClass().getDeclaredConstructor().newInstance();
-        } catch (final Exception e) {
-            throw new ApexRuntimeException("error copying concept key: " + e.getMessage(), e);
-        }
-        usedKey.copyTo(copy.usedKey);
-
-        return copy;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public int hashCode() {
-        final var prime = 31;
-        var result = 1;
-        result = prime * result + usedKey.hashCode();
-        return result;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public boolean equals(final Object obj) {
-        if (obj == null) {
-            throw new IllegalArgumentException("comparison object may not be null");
-        }
-
-        if (this == obj) {
-            return true;
-        }
-        if (getClass() != obj.getClass()) {
-            return false;
-        }
-
-        final AxKeyUse other = (AxKeyUse) obj;
-        return usedKey.equals(other.usedKey);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public int compareTo(final AxConcept otherObj) {
-        Assertions.argumentNotNull(otherObj, "comparison object may not be null");
-
-        if (this == otherObj) {
-            return 0;
-        }
-        if (getClass() != otherObj.getClass()) {
-            return this.hashCode() - otherObj.hashCode();
-        }
-
-        final AxKeyUse other = (AxKeyUse) otherObj;
-
-        return usedKey.compareTo(other.usedKey);
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxModel.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxModel.java
deleted file mode 100644
index ce52b147f..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxModel.java
+++ /dev/null
@@ -1,423 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019-2022 Nordix Foundation.
- *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import java.util.List;
-import java.util.Set;
-import java.util.TreeSet;
-import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult.ValidationResult;
-import org.onap.policy.apex.model.basicmodel.service.ModelService;
-import org.onap.policy.common.utils.validation.Assertions;
-
-/**
- * This class is the base class for all models in Apex. All model classes inherit from this model so all models must
- * have a key and have key information.
- *
- * <p>Validation checks that the model key is valid. It goes on to check for null keys and checks each key for
- * uniqueness in the model. A check is carried out to ensure that an {@link AxKeyInfo} instance exists for every
- * {@link AxArtifactKey} key. For each {@link AxReferenceKey} instance, a check is made that its parent and local name
- * are nut null and that a {@link AxKeyInfo} entry exists for its parent. Then a check is made that each used
- * {@link AxArtifactKey} and {@link AxReferenceKey} usage references a key that exists. Finally, a check is made to
- * ensure that an {@link AxArtifactKey} instance exists for every {@link AxKeyInfo} instance.
- */
-public class AxModel extends AxConcept {
-    private static final String IS_A_NULL_KEY = " is a null key";
-
-    private static final long serialVersionUID = -771659065637205430L;
-
-    private AxArtifactKey key;
-    private AxKeyInformation keyInformation;
-
-    /**
-     * The Default Constructor creates this concept with a NULL artifact key.
-     */
-    public AxModel() {
-        this(new AxArtifactKey());
-    }
-
-    /**
-     * Copy constructor.
-     *
-     * @param copyConcept the concept to copy from
-     */
-    public AxModel(final AxModel copyConcept) {
-        super(copyConcept);
-    }
-
-    /**
-     * Constructor to create this concept with the specified key.
-     *
-     * @param key the key of this concept
-     */
-    public AxModel(final AxArtifactKey key) {
-        this(key, new AxKeyInformation(new AxArtifactKey(key.getName() + "_KeyInfo", key.getVersion())));
-    }
-
-    /**
-     * Constructor to create this concept and set all its fields.
-     *
-     * @param key the key of this concept
-     * @param keyInformation the key information of this concept
-     */
-    public AxModel(final AxArtifactKey key, final AxKeyInformation keyInformation) {
-        super();
-        Assertions.argumentNotNull(key, "key may not be null");
-        Assertions.argumentNotNull(keyInformation, "keyInformation may not be null");
-
-        this.key = key;
-        this.keyInformation = keyInformation;
-    }
-
-    /**
-     * Registers this model with the {@link ModelService}. All models are registered with the model service so that
-     * models can be references from anywhere in the Apex system without being passed as references through deep call
-     * chains.
-     */
-    public void register() {
-        ModelService.registerModel(AxKeyInformation.class, getKeyInformation());
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxArtifactKey getKey() {
-        return key;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public List<AxKey> getKeys() {
-        final List<AxKey> keyList = key.getKeys();
-
-        // We just add the key for the KeyInformation itself. We don't add the
-        // keys from key information because
-        // that is a list of key information for existing keys
-        keyList.add(keyInformation.getKey());
-
-        return keyList;
-    }
-
-    /**
-     * Sets the key of this concept.
-     *
-     * @param key the key of this concept
-     */
-    public void setKey(final AxArtifactKey key) {
-        Assertions.argumentNotNull(key, "key may not be null");
-        this.key = key;
-    }
-
-    /**
-     * Gets the key information of this concept.
-     *
-     * @return the key information of this concept
-     */
-    public AxKeyInformation getKeyInformation() {
-        return keyInformation;
-    }
-
-    /**
-     * Sets the key information of this concept.
-     *
-     * @param keyInformation the key information of this concept
-     */
-    public void setKeyInformation(final AxKeyInformation keyInformation) {
-        Assertions.argumentNotNull(keyInformation, "keyInformation may not be null");
-        this.keyInformation = keyInformation;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxValidationResult validate(final AxValidationResult resultIn) {
-        AxValidationResult result = resultIn;
-
-        if (key.equals(AxArtifactKey.getNullKey())) {
-            result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID,
-                            "key is a null key"));
-        }
-
-        result = key.validate(result);
-        result = keyInformation.validate(result);
-
-        // Key consistency check
-        final Set<AxArtifactKey> artifactKeySet = new TreeSet<>();
-        final Set<AxReferenceKey> referenceKeySet = new TreeSet<>();
-        final Set<AxKeyUse> usedKeySet = new TreeSet<>();
-
-        for (final AxKey axKey : this.getKeys()) {
-            // Check for the two type of keys we have
-            if (axKey instanceof AxArtifactKey) {
-                result = validateArtifactKeyInModel((AxArtifactKey) axKey, artifactKeySet, result);
-            } else if (axKey instanceof AxReferenceKey) {
-                result = validateReferenceKeyInModel((AxReferenceKey) axKey, referenceKeySet, result);
-            } else {
-                // It must be an AxKeyUse, nothing else is legal
-                usedKeySet.add((AxKeyUse) axKey);
-            }
-        }
-
-        // Check all reference keys have correct parent keys
-        for (final AxReferenceKey referenceKey : referenceKeySet) {
-            if (!artifactKeySet.contains(referenceKey.getParentArtifactKey())) {
-                result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID,
-                                "parent artifact key not found for reference key " + referenceKey));
-            }
-        }
-
-        result = validateKeyUses(usedKeySet, artifactKeySet, referenceKeySet, result);
-
-        // Check key information for unused key information
-        for (final AxArtifactKey keyInfoKey : keyInformation.getKeyInfoMap().keySet()) {
-            if (!artifactKeySet.contains(keyInfoKey)) {
-                result.addValidationMessage(new AxValidationMessage(keyInfoKey, this.getClass(),
-                                ValidationResult.WARNING, "key not found for key information entry"));
-            }
-        }
-
-        return result;
-    }
-
-    /**
-     * Check for consistent usage of an artifact key in the model.
-     *
-     * @param artifactKey The artifact key to check
-     * @param artifactKeySet The set of artifact keys encountered so far, this key is appended to the set
-     * @param result The validation result to append to
-     * @return the result of the validation
-     */
-    private AxValidationResult validateArtifactKeyInModel(final AxArtifactKey artifactKey,
-                    final Set<AxArtifactKey> artifactKeySet, final AxValidationResult result) {
-        // Null key check
-        if (artifactKey.equals(AxArtifactKey.getNullKey())) {
-            result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID,
-                            "key " + artifactKey + IS_A_NULL_KEY));
-        }
-
-        // Null key name start check
-        if (artifactKey.getName().toUpperCase().startsWith(AxKey.NULL_KEY_NAME)) {
-            result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID,
-                            "key " + artifactKey + " name starts with keyword " + AxKey.NULL_KEY_NAME));
-        }
-
-        // Unique key check
-        if (artifactKeySet.contains(artifactKey)) {
-            result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID,
-                            "duplicate key " + artifactKey + " found"));
-        } else {
-            artifactKeySet.add(artifactKey);
-        }
-
-        // Key information check
-        if (!keyInformation.getKeyInfoMap().containsKey(artifactKey)) {
-            result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID,
-                            "key information not found for key " + artifactKey));
-        }
-
-        return result;
-    }
-
-    /**
-     * Check for consistent usage of a reference key in the model.
-     *
-     * @param referenceKey The reference key to check
-     * @param referenceKeySet The set of reference keys encountered so far, this key is appended to the set
-     * @param result The validation result to append to
-     * @return the result of the validation
-     */
-    private AxValidationResult validateReferenceKeyInModel(final AxReferenceKey referenceKey,
-                    final Set<AxReferenceKey> referenceKeySet, final AxValidationResult result) {
-        // Null key check
-        if (referenceKey.equals(AxReferenceKey.getNullKey())) {
-            result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID,
-                            "key " + referenceKey + IS_A_NULL_KEY));
-        }
-
-        // Null parent key check
-        if (referenceKey.getParentArtifactKey().equals(AxArtifactKey.getNullKey())) {
-            result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID,
-                            "parent artifact key of key " + referenceKey + IS_A_NULL_KEY));
-        }
-
-        // Null local name check
-        if (referenceKey.getLocalName().equals(AxKey.NULL_KEY_NAME)) {
-            result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID,
-                            "key " + referenceKey + " has a null local name"));
-        }
-
-        // Null key name start check
-        if (referenceKey.getParentArtifactKey().getName().toUpperCase().startsWith(AxKey.NULL_KEY_NAME)) {
-            result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID,
-                            "key " + referenceKey + " parent name starts with keyword " + AxKey.NULL_KEY_NAME));
-        }
-
-        // Unique key check
-        if (referenceKeySet.contains(referenceKey)) {
-            result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID,
-                            "duplicate key " + referenceKey + " found"));
-        } else {
-            referenceKeySet.add(referenceKey);
-        }
-
-        // Key information check
-        if (!keyInformation.getKeyInfoMap().containsKey(referenceKey.getParentArtifactKey())) {
-            result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID,
-                            "key information not found for parent key of key " + referenceKey));
-        }
-
-        return result;
-    }
-
-    /**
-     * Check for consistent usage of cross-key references in the model.
-     *
-     * @param usedKeySet The set of all keys used in the model
-     * @param artifactKeySet The set of artifact keys encountered so far, this key is appended to the set
-     * @param referenceKeySet The set of reference keys encountered so far, this key is appended to the set
-     * @param result The validation result to append to
-     * @return the result of the validation
-     */
-    private AxValidationResult validateKeyUses(final Set<AxKeyUse> usedKeySet, final Set<AxArtifactKey> artifactKeySet,
-                    final Set<AxReferenceKey> referenceKeySet, final AxValidationResult result) {
-        // Check all key uses
-        for (final AxKeyUse usedKey : usedKeySet) {
-            if (usedKey.getKey() instanceof AxArtifactKey) {
-                // AxArtifact key usage, check the key exists
-                if (!artifactKeySet.contains(usedKey.getKey())) {
-                    result.addValidationMessage(new AxValidationMessage(usedKey.getKey(), this.getClass(),
-                                    ValidationResult.INVALID, "an artifact key used in the model is not defined"));
-                }
-            } else {
-                // AxReference key usage, check the key exists
-                if (!referenceKeySet.contains(usedKey.getKey())) {
-                    result.addValidationMessage(new AxValidationMessage(usedKey.getKey(), this.getClass(),
-                                    ValidationResult.INVALID, "a reference key used in the model is not defined"));
-                }
-            }
-        }
-
-        return result;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void clean() {
-        key.clean();
-        keyInformation.clean();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String toString() {
-        final var builder = new StringBuilder();
-        builder.append(this.getClass().getSimpleName());
-        builder.append(":(");
-        builder.append("key=");
-        builder.append(key);
-        builder.append(",keyInformation=");
-        builder.append(keyInformation);
-        builder.append(")");
-        return builder.toString();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxConcept copyTo(final AxConcept target) {
-        Assertions.argumentNotNull(target, "target may not be null");
-
-        final Object copyObject = target;
-        Assertions.instanceOf(copyObject, AxModel.class);
-
-        final AxModel copy = ((AxModel) copyObject);
-        copy.setKey(new AxArtifactKey(key));
-        copy.setKeyInformation(new AxKeyInformation(keyInformation));
-
-        return copy;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public int hashCode() {
-        final var prime = 31;
-        var result = 1;
-        result = prime * result + key.hashCode();
-        result = prime * result + keyInformation.hashCode();
-        return result;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public boolean equals(final Object obj) {
-        if (obj == null) {
-            return false;
-        }
-        if (this == obj) {
-            return true;
-        }
-        if (getClass() != obj.getClass()) {
-            return false;
-        }
-
-        final AxModel other = (AxModel) obj;
-        if (!key.equals(other.key)) {
-            return false;
-        }
-        return keyInformation.equals(other.keyInformation);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public int compareTo(final AxConcept otherObj) {
-        if (otherObj == null) {
-            return -1;
-        }
-        if (this == otherObj) {
-            return 0;
-        }
-        if (getClass() != otherObj.getClass()) {
-            return this.hashCode() - otherObj.hashCode();
-        }
-
-        final AxModel other = (AxModel) otherObj;
-        if (!key.equals(other.key)) {
-            return key.compareTo(other.key);
-        }
-        return keyInformation.compareTo(other.keyInformation);
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxReferenceKey.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxReferenceKey.java
deleted file mode 100644
index b37bc47e4..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxReferenceKey.java
+++ /dev/null
@@ -1,527 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019-2022 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import java.util.ArrayList;
-import java.util.List;
-import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult.ValidationResult;
-import org.onap.policy.common.utils.validation.Assertions;
-
-/**
- * A reference key identifies entities in the system that are contained in other entities. Every contained concept in
- * the system must have an {@link AxReferenceKey} to identify it. Non-contained first order concepts are identified
- * using an {@link AxArtifactKey} key.
- *
- * <p>An {@link AxReferenceKey} contains an {@link AxArtifactKey} key reference to the first order entity that contains
- * it. The local name of the reference key must uniquely identify the referenced concept among those concepts contained
- * in the reference key's parent. In other words, if a parent concept has more than one child, the local name in the key
- * of all its children must be unique.
- *
- * <p>If a reference key's parent is itself a reference key, then the parent's local name must be set in the reference
- * key. If the parent is a first order concept, then the parent's local name in the key will be set to NULL.
- *
- * <p>Key validation checks that the parent name and parent version fields match the NAME_REGEXP and
- * VERSION_REGEXP regular expressions respectively and that the local name fields match the
- * LOCAL_NAME_REGEXP regular expression.
- */
-public class AxReferenceKey extends AxKey {
-    private static final String PARENT_KEY_NAME = "parentKeyName";
-    private static final String PARENT_KEY_VERSION = "parentKeyVersion";
-    private static final String PARENT_LOCAL_NAME = "parentLocalName";
-    private static final String LOCAL_NAME = "localName";
-
-    private static final long serialVersionUID = 8932717618579392561L;
-
-    /**
-     * Regular expression to specify the structure of local names in reference keys.
-     */
-    public static final String LOCAL_NAME_REGEXP = "[A-Za-z0-9\\-_\\.]+|^$";
-
-    /**
-     * Regular expression to specify the structure of IDs in reference keys.
-     */
-    public static final String REFERENCE_KEY_ID_REGEXP =
-        "[A-Za-z0-9\\-_]+:[0-9].[0-9].[0-9]:[A-Za-z0-9\\-_]+:[A-Za-z0-9\\-_]+";
-
-    private static final int PARENT_NAME_FIELD = 0;
-    private static final int PARENT_VERSION_FIELD = 1;
-    private static final int PARENT_LOCAL_NAME_FIELD = 2;
-    private static final int LOCAL_NAME_FIELD = 3;
-
-    private String parentKeyName;
-    private String parentKeyVersion;
-    private String parentLocalName;
-    private String localName;
-
-    /**
-     * The default constructor creates a null reference key.
-     */
-    public AxReferenceKey() {
-        this(NULL_KEY_NAME, NULL_KEY_VERSION, NULL_KEY_NAME, NULL_KEY_NAME);
-    }
-
-    /**
-     * The Copy Constructor creates a key by copying another key.
-     *
-     * @param referenceKey the reference key to copy from
-     */
-    public AxReferenceKey(final AxReferenceKey referenceKey) {
-        this(referenceKey.getParentKeyName(), referenceKey.getParentKeyVersion(), referenceKey.getParentLocalName(),
-            referenceKey.getLocalName());
-    }
-
-    /**
-     * Constructor to create a null reference key for the specified parent artifact key.
-     *
-     * @param axArtifactKey the parent artifact key of this reference key
-     */
-    public AxReferenceKey(final AxArtifactKey axArtifactKey) {
-        this(axArtifactKey.getName(), axArtifactKey.getVersion(), NULL_KEY_NAME, NULL_KEY_NAME);
-    }
-
-    /**
-     * Constructor to create a reference key for the given parent artifact key with the given local name.
-     *
-     * @param axArtifactKey the parent artifact key of this reference key
-     * @param localName     the local name of this reference key
-     */
-    public AxReferenceKey(final AxArtifactKey axArtifactKey, final String localName) {
-        this(axArtifactKey, NULL_KEY_NAME, localName);
-    }
-
-    /**
-     * Constructor to create a reference key for the given parent reference key with the given local name.
-     *
-     * @param parentReferenceKey the parent reference key of this reference key
-     * @param localName          the local name of this reference key
-     */
-    public AxReferenceKey(final AxReferenceKey parentReferenceKey, final String localName) {
-        this(parentReferenceKey.getParentArtifactKey(), parentReferenceKey.getLocalName(), localName);
-    }
-
-    /**
-     * Constructor to create a reference key for the given parent reference key (specified by the parent reference key's
-     * artifact key and local name) with the given local name.
-     *
-     * @param axArtifactKey   the artifact key of the parent reference key of this reference key
-     * @param parentLocalName the local name of the parent reference key of this reference key
-     * @param localName       the local name of this reference key
-     */
-    public AxReferenceKey(final AxArtifactKey axArtifactKey, final String parentLocalName, final String localName) {
-        this(axArtifactKey.getName(), axArtifactKey.getVersion(), parentLocalName, localName);
-    }
-
-    /**
-     * Constructor to create a reference key for the given parent artifact key (specified by the parent artifact key's
-     * name and version) with the given local name.
-     *
-     * @param parentKeyName    the name of the parent artifact key of this reference key
-     * @param parentKeyVersion the version of the parent artifact key of this reference key
-     * @param localName        the local name of this reference key
-     */
-    public AxReferenceKey(final String parentKeyName, final String parentKeyVersion, final String localName) {
-        this(parentKeyName, parentKeyVersion, NULL_KEY_NAME, localName);
-    }
-
-    /**
-     * Constructor to create a reference key for the given parent key (specified by the parent key's name, version nad
-     * local name) with the given local name.
-     *
-     * @param parentKeyName    the parent key name of this reference key
-     * @param parentKeyVersion the parent key version of this reference key
-     * @param parentLocalName  the parent local name of this reference key
-     * @param localName        the local name of this reference key
-     */
-    public AxReferenceKey(final String parentKeyName, final String parentKeyVersion, final String parentLocalName,
-                          final String localName) {
-        super();
-        this.parentKeyName = Assertions.validateStringParameter(PARENT_KEY_NAME, parentKeyName, NAME_REGEXP);
-        this.parentKeyVersion = Assertions.validateStringParameter(PARENT_KEY_VERSION, parentKeyVersion,
-            VERSION_REGEXP);
-        this.parentLocalName = Assertions.validateStringParameter(PARENT_LOCAL_NAME, parentLocalName,
-            LOCAL_NAME_REGEXP);
-        this.localName = Assertions.validateStringParameter(LOCAL_NAME, localName, LOCAL_NAME_REGEXP);
-    }
-
-    /**
-     * Constructor to create a key from the specified key ID.
-     *
-     * @param id the key ID in a format that respects the KEY_ID_REGEXP
-     */
-    public AxReferenceKey(final String id) {
-        final var conditionedId = Assertions.validateStringParameter("id", id, REFERENCE_KEY_ID_REGEXP);
-
-        // Split on colon, if the id passes the regular expression test above
-        // it'll have just three colons separating the parent name,
-        // parent version, parent local name, and and local name
-        // No need for range checks or size checks on the array
-        final String[] nameVersionNameArray = conditionedId.split(":");
-
-        // Initiate the new key
-        parentKeyName = Assertions.validateStringParameter(PARENT_KEY_NAME, nameVersionNameArray[PARENT_NAME_FIELD],
-            NAME_REGEXP);
-        parentKeyVersion = Assertions.validateStringParameter(PARENT_KEY_VERSION,
-            nameVersionNameArray[PARENT_VERSION_FIELD], VERSION_REGEXP);
-        parentLocalName = Assertions.validateStringParameter(PARENT_LOCAL_NAME,
-            nameVersionNameArray[PARENT_LOCAL_NAME_FIELD], LOCAL_NAME_REGEXP);
-        localName = Assertions.validateStringParameter(LOCAL_NAME, nameVersionNameArray[LOCAL_NAME_FIELD],
-            LOCAL_NAME_REGEXP);
-    }
-
-    /**
-     * Get a null reference key.
-     *
-     * @return a null reference key
-     */
-    public static AxReferenceKey getNullKey() {
-        return new AxReferenceKey(AxKey.NULL_KEY_NAME, AxKey.NULL_KEY_VERSION, AxKey.NULL_KEY_NAME,
-            AxKey.NULL_KEY_NAME);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxReferenceKey getKey() {
-        return this;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public List<AxKey> getKeys() {
-        final List<AxKey> keyList = new ArrayList<>();
-        keyList.add(getKey());
-        return keyList;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String getId() {
-        return parentKeyName + ':' + parentKeyVersion + ':' + parentLocalName + ':' + localName;
-    }
-
-    /**
-     * Gets the parent artifact key of this reference key.
-     *
-     * @return the parent artifact key of this reference key
-     */
-    public AxArtifactKey getParentArtifactKey() {
-        return new AxArtifactKey(parentKeyName, parentKeyVersion);
-    }
-
-    /**
-     * Gets the parent reference key of this reference key.
-     *
-     * @return the parent reference key of this reference key
-     */
-    public AxReferenceKey getParentReferenceKey() {
-        return new AxReferenceKey(parentKeyName, parentKeyVersion, parentLocalName);
-    }
-
-    /**
-     * Sets the parent artifact key of this reference key.
-     *
-     * @param parentKey the parent artifact key of this reference key
-     */
-    public void setParentArtifactKey(final AxArtifactKey parentKey) {
-        Assertions.argumentNotNull(parentKey, "parentKey may not be null");
-
-        parentKeyName = parentKey.getName();
-        parentKeyVersion = parentKey.getVersion();
-        parentLocalName = NULL_KEY_NAME;
-    }
-
-    /**
-     * Sets the parent reference key of this reference key.
-     *
-     * @param parentKey the parent reference key of this reference key
-     */
-    public void setParentReferenceKey(final AxReferenceKey parentKey) {
-        Assertions.argumentNotNull(parentKey, "parentKey may not be null");
-
-        parentKeyName = parentKey.getParentKeyName();
-        parentKeyVersion = parentKey.getParentKeyVersion();
-        parentLocalName = parentKey.getLocalName();
-    }
-
-    /**
-     * Gets the parent key name of this reference key.
-     *
-     * @return the parent key name of this reference key
-     */
-    public String getParentKeyName() {
-        return parentKeyName;
-    }
-
-    /**
-     * Sets the parent key name of this reference key.
-     *
-     * @param parentKeyName the parent key name of this reference key
-     */
-    public void setParentKeyName(final String parentKeyName) {
-        this.parentKeyName = Assertions.validateStringParameter(PARENT_KEY_NAME, parentKeyName, NAME_REGEXP);
-    }
-
-    /**
-     * Gets the parent key version of this reference key.
-     *
-     * @return the parent key version of this reference key
-     */
-    public String getParentKeyVersion() {
-        return parentKeyVersion;
-    }
-
-    /**
-     * Sets the parent key version of this reference key.
-     *
-     * @param parentKeyVersion the parent key version of this reference key
-     */
-    public void setParentKeyVersion(final String parentKeyVersion) {
-        this.parentKeyVersion = Assertions.validateStringParameter(PARENT_KEY_VERSION, parentKeyVersion,
-            VERSION_REGEXP);
-    }
-
-    /**
-     * Gets the parent local name of this reference key.
-     *
-     * @return the parent local name of this reference key
-     */
-    public String getParentLocalName() {
-        return parentLocalName;
-    }
-
-    /**
-     * Sets the parent local name of this reference key.
-     *
-     * @param parentLocalName the parent local name of this reference key
-     */
-    public void setParentLocalName(final String parentLocalName) {
-        this.parentLocalName = Assertions.validateStringParameter(PARENT_LOCAL_NAME, parentLocalName,
-            LOCAL_NAME_REGEXP);
-    }
-
-    /**
-     * Gets the local name of this reference key.
-     *
-     * @return the local name of this reference key
-     */
-    public String getLocalName() {
-        return localName;
-    }
-
-    /**
-     * Sets the local name of this reference key.
-     *
-     * @param localName the local name of this reference key
-     */
-    public void setLocalName(final String localName) {
-        this.localName = Assertions.validateStringParameter(LOCAL_NAME, localName, LOCAL_NAME_REGEXP);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxKey.Compatibility getCompatibility(final AxKey otherKey) {
-        if (!(otherKey instanceof AxReferenceKey)) {
-            return Compatibility.DIFFERENT;
-        }
-        final AxReferenceKey otherReferenceKey = (AxReferenceKey) otherKey;
-
-        return this.getParentArtifactKey().getCompatibility(otherReferenceKey.getParentArtifactKey());
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public boolean isCompatible(final AxKey otherKey) {
-        if (!(otherKey instanceof AxReferenceKey)) {
-            return false;
-        }
-        final AxReferenceKey otherReferenceKey = (AxReferenceKey) otherKey;
-
-        return this.getParentArtifactKey().isCompatible(otherReferenceKey.getParentArtifactKey());
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxValidationResult validate(final AxValidationResult result) {
-        final var parentNameValidationErrorMessage = Assertions.getStringParameterValidationMessage(PARENT_KEY_NAME,
-            parentKeyName, NAME_REGEXP);
-        if (parentNameValidationErrorMessage != null) {
-            result.addValidationMessage(new AxValidationMessage(this, this.getClass(), ValidationResult.INVALID,
-                "parentKeyName invalid-" + parentNameValidationErrorMessage));
-        }
-
-        final var parentKeyVersionValidationErrorMessage = Assertions
-            .getStringParameterValidationMessage(PARENT_KEY_VERSION, parentKeyVersion, VERSION_REGEXP);
-        if (parentKeyVersionValidationErrorMessage != null) {
-            result.addValidationMessage(new AxValidationMessage(this, this.getClass(), ValidationResult.INVALID,
-                "parentKeyVersion invalid-" + parentKeyVersionValidationErrorMessage));
-        }
-
-        final var parentLocalNameValidationErrorMessage = Assertions
-            .getStringParameterValidationMessage(PARENT_LOCAL_NAME, parentLocalName, LOCAL_NAME_REGEXP);
-        if (parentLocalNameValidationErrorMessage != null) {
-            result.addValidationMessage(new AxValidationMessage(this, this.getClass(), ValidationResult.INVALID,
-                "parentLocalName invalid-" + parentLocalNameValidationErrorMessage));
-        }
-
-        final var localNameValidationErrorMessage = Assertions.getStringParameterValidationMessage(LOCAL_NAME,
-            localName, LOCAL_NAME_REGEXP);
-        if (localNameValidationErrorMessage != null) {
-            result.addValidationMessage(new AxValidationMessage(this, this.getClass(), ValidationResult.INVALID,
-                "localName invalid-" + localNameValidationErrorMessage));
-        }
-
-        return result;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void clean() {
-        parentKeyName = Assertions.validateStringParameter(PARENT_KEY_NAME, parentKeyName, NAME_REGEXP);
-        parentKeyVersion = Assertions.validateStringParameter(PARENT_KEY_VERSION, parentKeyVersion, VERSION_REGEXP);
-        parentLocalName = Assertions.validateStringParameter(PARENT_LOCAL_NAME, parentLocalName, LOCAL_NAME_REGEXP);
-        localName = Assertions.validateStringParameter(LOCAL_NAME, localName, LOCAL_NAME_REGEXP);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String toString() {
-        final var builder = new StringBuilder();
-        builder.append(this.getClass().getSimpleName());
-        builder.append(":(");
-        builder.append("parentKeyName=");
-        builder.append(parentKeyName);
-        builder.append(",parentKeyVersion=");
-        builder.append(parentKeyVersion);
-        builder.append(",parentLocalName=");
-        builder.append(parentLocalName);
-        builder.append(",localName=");
-        builder.append(localName);
-        builder.append(")");
-        return builder.toString();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public AxConcept copyTo(final AxConcept target) {
-        Assertions.argumentNotNull(target, "target may not be null");
-
-        final Object copyObject = target;
-        Assertions.instanceOf(copyObject, AxReferenceKey.class);
-
-        final AxReferenceKey copy = ((AxReferenceKey) copyObject);
-        copy.setParentKeyName(parentKeyName);
-        copy.setParentKeyVersion(parentKeyVersion);
-        copy.setLocalName(localName);
-        copy.setParentLocalName(parentLocalName);
-
-        return copy;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public int hashCode() {
-        final var prime = 31;
-        var result = 1;
-        result = prime * result + parentKeyName.hashCode();
-        result = prime * result + parentKeyVersion.hashCode();
-        result = prime * result + parentLocalName.hashCode();
-        result = prime * result + localName.hashCode();
-        return result;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public boolean equals(final Object obj) {
-        if (obj == null) {
-            throw new IllegalArgumentException("comparison object may not be null");
-        }
-
-        if (this == obj) {
-            return true;
-        }
-
-        if (getClass() != obj.getClass()) {
-            return false;
-        }
-
-        final AxReferenceKey other = (AxReferenceKey) obj;
-
-        if (!parentKeyName.equals(other.parentKeyName)) {
-            return false;
-        }
-        if (!parentKeyVersion.equals(other.parentKeyVersion)) {
-            return false;
-        }
-        if (!parentLocalName.equals(other.parentLocalName)) {
-            return false;
-        }
-        return localName.equals(other.localName);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public int compareTo(final AxConcept otherObj) {
-        Assertions.argumentNotNull(otherObj, "comparison object may not be null");
-
-        if (this == otherObj) {
-            return 0;
-        }
-        if (getClass() != otherObj.getClass()) {
-            return this.hashCode() - otherObj.hashCode();
-        }
-
-        final AxReferenceKey other = (AxReferenceKey) otherObj;
-        if (!parentKeyName.equals(other.parentKeyName)) {
-            return parentKeyName.compareTo(other.parentKeyName);
-        }
-        if (!parentKeyVersion.equals(other.parentKeyVersion)) {
-            return parentKeyVersion.compareTo(other.parentKeyVersion);
-        }
-        if (!parentLocalName.equals(other.parentLocalName)) {
-            return parentLocalName.compareTo(other.parentLocalName);
-        }
-        return localName.compareTo(other.localName);
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxToscaPolicyProcessingStatus.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxToscaPolicyProcessingStatus.java
deleted file mode 100644
index 43c7e7866..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxToscaPolicyProcessingStatus.java
+++ /dev/null
@@ -1,46 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2022 Bell Canada. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-/**
- * This enumeration indicates the status of TOSCA policy processing on an APEX event.
- */
-public enum AxToscaPolicyProcessingStatus {
-
-    /** Indicates the entrypoint for the processing of a TOSCA Policy. */
-    ENTRY(0),
-
-    /** Indicates a successful exit point for a TOSCA Policy. */
-    EXIT_SUCCESS(1),
-
-    /** Indicates a failure exit point for a TOSCA Policy. */
-    EXIT_FAILURE(2);
-
-    private final int statusCode;
-
-    AxToscaPolicyProcessingStatus(int statusCode) {
-        this.statusCode = statusCode;
-    }
-
-    public int getStatusCode() {
-        return statusCode;
-    }
-}
\ No newline at end of file
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxValidationMessage.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxValidationMessage.java
deleted file mode 100644
index 9e245c07b..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxValidationMessage.java
+++ /dev/null
@@ -1,104 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult.ValidationResult;
-import org.onap.policy.common.utils.validation.Assertions;
-
-/**
- * A validation message is created for each validation observation observed during validation of a concept. The message
- * holds the key and the class of the concept on which the observation was made as well as the type of observation and a
- * message describing the observation.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- */
-public class AxValidationMessage {
-    private final AxKey observedKey;
-    private ValidationResult validationResult = ValidationResult.VALID;
-    private final String observedClass;
-    private final String message;
-
-    /**
-     * Create an validation observation with the given fields.
-     *
-     * @param observedKey the key of the class on which the validation observation was made
-     * @param observedClass the class on which the validation observation was made
-     * @param validationResult the type of observation made
-     * @param message a message describing the observation
-     */
-    public AxValidationMessage(final AxKey observedKey, final Class<?> observedClass,
-            final ValidationResult validationResult, final String message) {
-        Assertions.argumentNotNull(observedKey, "observedKey may not be null");
-        Assertions.argumentNotNull(observedClass, "observedClass may not be null");
-        Assertions.argumentNotNull(validationResult, "validationResult may not be null");
-        Assertions.argumentNotNull(message, "message may not be null");
-
-        this.observedKey = observedKey;
-        this.observedClass = observedClass.getName();
-        this.validationResult = validationResult;
-        this.message = message;
-    }
-
-    /**
-     * Gets the key of the observation.
-     *
-     * @return the key of the observation
-     */
-    public AxKey getObservedKey() {
-        return observedKey;
-    }
-
-    /**
-     * Gets the observed class.
-     *
-     * @return the observed class
-     */
-    public String getObservedClass() {
-        return observedClass;
-    }
-
-    /**
-     * Gets the type of observation made.
-     *
-     * @return the type of observation made
-     */
-    public ValidationResult getValidationResult() {
-        return validationResult;
-    }
-
-    /**
-     * Get a description of the observation.
-     *
-     * @return the observation description
-     */
-    public String getMessage() {
-        return message;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String toString() {
-        return observedKey.toString() + ':' + observedClass + ':' + validationResult.name() + ':' + message;
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxValidationResult.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxValidationResult.java
deleted file mode 100644
index 10ccb30aa..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/AxValidationResult.java
+++ /dev/null
@@ -1,150 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import java.util.LinkedList;
-import java.util.List;
-
-/**
- * This class records the result of a validation and holds all validatino observation messages.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- */
-public class AxValidationResult {
-    /**
-     * The ValidationResult enumeration describes the severity of a validation result.
-     */
-    public enum ValidationResult {
-        /** No problems or observations were detected during validation. */
-        VALID,
-        /**
-         * Observations were made on a concept (such as blank descriptions) of a nature that will not affect the use of
-         * the concept.
-         */
-        OBSERVATION,
-        /**
-         * Warnings were made on a concept (such as defined but unused concepts) of a nature that may affect the use of
-         * the concept.
-         */
-        WARNING,
-        /**
-         * Errors were detected on a concept (such as referenced but undefined concepts) of a nature that will affect
-         * the use of the concept.
-         */
-        INVALID
-    }
-
-    // The actual verification result
-    private ValidationResult validationResult = ValidationResult.VALID;
-
-    // Messages collected during the verification process
-    private final List<AxValidationMessage> messageList = new LinkedList<>();
-
-    /**
-     * Check if a validation reported a valid concept, returns true if the model is usable (that is, even if the model
-     * has warnings or observations).
-     *
-     * @return true, if the concept is reported as valid and can be used
-     */
-    public boolean isValid() {
-        return validationResult != ValidationResult.INVALID;
-    }
-
-    /**
-     * Check if a validation reported a concept with no errors or warnings, returns true if the model is OK to use.
-     *
-     * @return true, if the concept has no warnings or errors
-     */
-    public boolean isOk() {
-        return validationResult == ValidationResult.VALID || validationResult == ValidationResult.OBSERVATION;
-    }
-
-    /**
-     * Gets the validation result.
-     *
-     * @return the validation result on a concept
-     */
-    public ValidationResult getValidationResult() {
-        return validationResult;
-    }
-
-    /**
-     * Gets the list of validation results on the concept.
-     *
-     * @return the list of validaiton results
-     */
-    public List<AxValidationMessage> getMessageList() {
-        return messageList;
-    }
-
-    /**
-     * Adds a validation message to the validation result, used by validate() implementations on {@link AxConcept}
-     * subclasses to report validaiton observations.
-     *
-     * @param validationMessage the validation message
-     */
-    public void addValidationMessage(final AxValidationMessage validationMessage) {
-        messageList.add(validationMessage);
-
-        // Check if the incoming message has a more sever status than the
-        // current one on the overall validation result,
-        // if so, the overall result goes to that level
-        if (validationMessage.getValidationResult().ordinal() > validationResult.ordinal()) {
-            validationResult = validationMessage.getValidationResult();
-        }
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String toString() {
-        final StringBuilder builder = new StringBuilder();
-
-        switch (validationResult) {
-            case VALID:
-
-                builder.append("***validation of model successful***");
-                return builder.toString();
-            case OBSERVATION:
-
-                builder.append("\n***observations noted during validation of model***\n");
-                break;
-            case WARNING:
-
-                builder.append("\n***warnings issued during validation of model***\n");
-                break;
-            case INVALID:
-                builder.append("\n***validation of model failed***\n");
-                break;
-            default:
-                break;
-        }
-
-        for (final AxValidationMessage message : messageList) {
-            builder.append(message);
-            builder.append("\n");
-        }
-
-        builder.append("********************************");
-        return builder.toString();
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/package-info.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/package-info.java
deleted file mode 100644
index 347e46a0f..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/concepts/package-info.java
+++ /dev/null
@@ -1,27 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2022 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-/**
- * This package contains the fundamental concepts for all APEX models.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- */
-package org.onap.policy.apex.model.basicmodel.concepts;
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelCreator.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelCreator.java
deleted file mode 100644
index a33e1bf1a..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelCreator.java
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * 
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-
-/**
- * This interface is implemented by factories that create Apex models. It is mainly used by unit test classes that
- * generate Apex models for test purposes.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- * @param <M> the type of Apex model to create, must be a sub class of {@link AxModel}
- */
-@FunctionalInterface
-public interface ApexModelCreator<M extends AxModel> {
-
-    /**
-     * Gets the model created by the model creator.
-     *
-     * @return the model created by the model creator
-     */
-    M getModel();
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelCustomGsonMapAdapter.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelCustomGsonMapAdapter.java
deleted file mode 100644
index cb67590f7..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelCustomGsonMapAdapter.java
+++ /dev/null
@@ -1,118 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2022 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import com.google.gson.JsonArray;
-import com.google.gson.JsonDeserializationContext;
-import com.google.gson.JsonDeserializer;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
-import com.google.gson.JsonParseException;
-import com.google.gson.JsonSerializationContext;
-import com.google.gson.JsonSerializer;
-import java.lang.reflect.ParameterizedType;
-import java.lang.reflect.Type;
-import java.util.AbstractMap;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.TreeMap;
-import java.util.stream.Collectors;
-import java.util.stream.StreamSupport;
-
-@SuppressWarnings("rawtypes")
-public class ApexModelCustomGsonMapAdapter implements JsonSerializer<Map>, JsonDeserializer<Map> {
-    private static final String MAP_ENTRY_KEY = "entry";
-
-    @SuppressWarnings("unchecked")
-    @Override
-    public Map deserialize(JsonElement jsonElement, Type typeOfT, JsonDeserializationContext context)
-        throws JsonParseException {
-
-        if (!(jsonElement instanceof JsonObject)) {
-            throw new JsonParseException("could not parse JSON map, map is not a JsonObject");
-        }
-
-        JsonObject jsonObject = (JsonObject) jsonElement;
-
-        if (jsonObject.size() != 1) {
-            throw new JsonParseException("could not parse JSON map, map must be in a JsonObject with a single member");
-        }
-
-        JsonArray mapEntryArray = (JsonArray) jsonObject.get(MAP_ENTRY_KEY);
-        if (mapEntryArray == null) {
-            throw new JsonParseException("could not parse JSON map, map \"entry\" in JsonObject not found");
-        }
-
-        return new TreeMap(
-            StreamSupport
-                .stream(mapEntryArray.spliterator(), true)
-                .map(element -> deserializeMapEntry(element, typeOfT, context))
-                .collect(Collectors.toMap(entry -> entry.getKey(), entry -> entry.getValue()))
-        );
-    }
-
-    @Override
-    public JsonElement serialize(Map sourceMap, Type typeOfSrc, JsonSerializationContext context) {
-
-        // A map is stored in a JsonArray
-        JsonArray mapEntryArray = new JsonArray();
-
-        for (Object mapEntryObject : sourceMap.entrySet()) {
-            Entry mapEntry = (Entry) mapEntryObject;
-            mapEntryArray.add(serializeMapEntry(mapEntry, typeOfSrc, context));
-        }
-
-        JsonObject returnObject = new JsonObject();
-        returnObject.add(MAP_ENTRY_KEY, mapEntryArray);
-
-        return returnObject;
-    }
-
-    @SuppressWarnings("unchecked")
-    private static Entry deserializeMapEntry(JsonElement element, Type typeOfT, JsonDeserializationContext context) {
-        // Get the types of the map
-        ParameterizedType pt = (ParameterizedType) typeOfT;
-
-        // Type of the key and value of the map
-        Type keyType = pt.getActualTypeArguments()[0];
-        Type valueType = pt.getActualTypeArguments()[1];
-
-        // Deserialize the key and value
-        return new AbstractMap.SimpleEntry(
-            context.deserialize(element.getAsJsonObject().get("key"), keyType),
-            context.deserialize(element.getAsJsonObject().get("value"), valueType));
-    }
-
-    private static JsonElement serializeMapEntry(Entry sourceEntry, Type typeOfSrc, JsonSerializationContext context) {
-        // Get the types of the map
-        ParameterizedType pt = (ParameterizedType) typeOfSrc;
-
-        // Type of the key and value of the map
-        Type keyType = pt.getActualTypeArguments()[0];
-        Type valueType = pt.getActualTypeArguments()[1];
-
-        JsonObject entryObject = new JsonObject();
-        entryObject.add("key", context.serialize(sourceEntry.getKey(), keyType));
-        entryObject.add("value", context.serialize(sourceEntry.getValue(), valueType));
-
-        return entryObject;
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelCustomGsonRefereceKeyAdapter.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelCustomGsonRefereceKeyAdapter.java
deleted file mode 100644
index d731c8689..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelCustomGsonRefereceKeyAdapter.java
+++ /dev/null
@@ -1,50 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2022 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import com.google.gson.JsonDeserializationContext;
-import com.google.gson.JsonDeserializer;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
-import com.google.gson.JsonParseException;
-import java.lang.reflect.Type;
-import org.onap.policy.apex.model.basicmodel.concepts.AxReferenceKey;
-
-public class ApexModelCustomGsonRefereceKeyAdapter implements JsonDeserializer<AxReferenceKey> {
-
-    @Override
-    public AxReferenceKey deserialize(JsonElement jsonElement, Type typeOfT, JsonDeserializationContext context)
-        throws JsonParseException {
-
-        if (jsonElement instanceof JsonObject) {
-            return new AxReferenceKey(
-                jsonElement.getAsJsonObject().get("parentKeyName").getAsString(),
-                jsonElement.getAsJsonObject().get("parentKeyVersion").getAsString(),
-                jsonElement.getAsJsonObject().get("parentLocalName").getAsString(),
-                jsonElement.getAsJsonObject().get("localName").getAsString()
-            );
-        } else {
-            AxReferenceKey returnKey = new AxReferenceKey();
-            returnKey.setLocalName(jsonElement.getAsString());
-            return returnKey;
-        }
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelException.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelException.java
deleted file mode 100644
index 17eb2639d..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelException.java
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * 
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
-
-/**
- * This exception is invoked if an exception occurs in model handling.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- */
-public class ApexModelException extends ApexException {
-    private static final long serialVersionUID = -4245694568321686450L;
-
-    /**
-     * Instantiates a new apex model handling exception.
-     *
-     * @param message the message
-     */
-    public ApexModelException(final String message) {
-        super(message);
-    }
-
-    /**
-     * Instantiates a new apex model handling exception.
-     *
-     * @param message the message
-     * @param exception the exception
-     */
-    public ApexModelException(final String message, final Exception exception) {
-        super(message, exception);
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelFileWriter.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelFileWriter.java
deleted file mode 100644
index 54b5651cc..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelFileWriter.java
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2021-2022 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import java.io.File;
-import java.io.FileOutputStream;
-import lombok.Getter;
-import lombok.Setter;
-import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-import org.slf4j.ext.XLogger;
-import org.slf4j.ext.XLoggerFactory;
-
-/**
- * This class writes an Apex model to a file.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- * @param <M> the type of Apex model to write to file, must be a sub class of {@link AxModel}
- */
-@Getter
-@Setter
-public class ApexModelFileWriter<M extends AxModel> {
-    private static final XLogger LOGGER = XLoggerFactory.getXLogger(ApexModelFileWriter.class);
-
-    // Should models being written to files be valid
-    private boolean validate;
-
-    /**
-     * Constructor, set the validation flag.
-     *
-     * @param validate indicates if validation be performed prior to output
-     */
-    public ApexModelFileWriter(final boolean validate) {
-        this.validate = validate;
-    }
-
-    /**
-     * Write a model to an JSON file.
-     *
-     * @param model The model to write
-     * @param rootModelClass The concept class
-     * @param modelFileName The name of the file to write to
-     * @throws ApexException thrown on errors
-     */
-    public void apexModelWriteJsonFile(final M model, final Class<M> rootModelClass, final String modelFileName)
-                    throws ApexException {
-        LOGGER.debug("running apexModelWriteJSONFile . . .");
-
-        final ApexModelWriter<M> modelWriter = new ApexModelWriter<>(rootModelClass);
-        modelWriter.setValidate(validate);
-
-        writeModelFile(model, modelWriter, modelFileName);
-
-        LOGGER.debug("ran apexModelWriteJSONFile");
-    }
-
-    /**
-     * Write a model to a file using a model writer.
-     *
-     * @param model The model to write
-     * @param modelWriter the model writer to use to write the model to the file
-     * @param modelFileName the file name of the file to write to
-     * @throws ApexException on exceptions writing the model
-     */
-    private void writeModelFile(final M model, final ApexModelWriter<M> modelWriter, final String modelFileName)
-                    throws ApexException {
-        final var modelFile = new File(modelFileName);
-        if (!modelFile.getParentFile().exists() && !modelFile.getParentFile().mkdirs()) {
-            LOGGER.warn("could not create directory  " + modelFile.getParentFile());
-            throw new ApexException("could not create directory  " + modelFile.getParentFile());
-        }
-
-        try (final var fileOutputStream = new FileOutputStream(modelFile)) {
-            modelWriter.write(model, fileOutputStream);
-        } catch (final Exception e) {
-            LOGGER.warn("error processing file " + modelFile.getAbsolutePath(), e);
-            throw new ApexException("error processing file " + modelFile.getAbsolutePath(), e);
-        }
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelReader.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelReader.java
deleted file mode 100644
index a9bd2fe60..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelReader.java
+++ /dev/null
@@ -1,169 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019-2022 Nordix Foundation.
- *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.util.Map;
-import lombok.Getter;
-import lombok.Setter;
-import org.onap.policy.apex.model.basicmodel.concepts.AxConcept;
-import org.onap.policy.apex.model.basicmodel.concepts.AxReferenceKey;
-import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult;
-import org.onap.policy.common.utils.resources.TextFileUtils;
-import org.onap.policy.common.utils.validation.Assertions;
-import org.slf4j.ext.XLogger;
-import org.slf4j.ext.XLoggerFactory;
-
-/**
- * This class reads an Apex concept from a file into a Java Apex Concept {@link AxConcept}.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- * @param <C> the type of Apex concept to read, must be a sub class of {@link AxConcept}
- */
-@Getter
-@Setter
-public class ApexModelReader<C extends AxConcept> {
-    // Get a reference to the logger
-    private static final XLogger LOGGER = XLoggerFactory.getXLogger(ApexModelReader.class);
-
-    // Use GSON to deserialize JSON
-    private static Gson gson = new GsonBuilder()
-        .registerTypeAdapter(AxReferenceKey.class, new ApexModelCustomGsonRefereceKeyAdapter())
-        .registerTypeAdapter(Map.class, new ApexModelCustomGsonMapAdapter())
-        .setPrettyPrinting()
-        .create();
-
-    //  The root class of the concept we are reading
-    private final Class<C> rootConceptClass;
-
-    // All read concepts are validated after reading if this flag is set
-    private boolean validate = true;
-
-    /**
-     * Constructor, initiates the reader with validation on.
-     *
-     * @param rootConceptClass the root concept class for concept reading
-     * @throws ApexModelException the apex concept reader exception
-     */
-    public ApexModelReader(final Class<C> rootConceptClass) throws ApexModelException {
-        // Save the root concept class
-        this.rootConceptClass = rootConceptClass;
-    }
-
-    /**
-     * Constructor, initiates the reader.
-     *
-     * @param rootConceptClass the root concept class for concept reading
-     * @param validate whether to perform validation by default
-     * @throws ApexModelException the apex concept reader exception
-     */
-    public ApexModelReader(final Class<C> rootConceptClass, final boolean validate) throws ApexModelException {
-        this(rootConceptClass);
-        this.validate = validate;
-    }
-
-    /**
-     * This method checks the specified Apex concept file and reads it into an Apex concept.
-     *
-     * @param apexConceptStream the apex concept stream
-     * @return the Apex concept
-     * @throws ApexModelException on reading exceptions
-     */
-    public C read(final InputStream apexConceptStream) throws ApexModelException {
-        Assertions.argumentNotNull(apexConceptStream, "concept stream may not be null");
-
-        return read(new BufferedReader(new InputStreamReader(apexConceptStream)));
-    }
-
-    /**
-     * This method reads the specified Apex reader into an Apex concept.
-     *
-     * @param apexConceptReader the apex concept reader
-     * @return the Apex concept
-     * @throws ApexModelException on reading exceptions
-     */
-    public C read(final BufferedReader apexConceptReader) throws ApexModelException {
-        Assertions.argumentNotNull(apexConceptReader, "concept reader may not be null");
-
-        LOGGER.entry("reading Apex concept into a String . . .");
-
-        // Get the Apex concept as a string
-        String apexConceptString = null;
-        try {
-            apexConceptString = TextFileUtils.getReaderAsString(apexConceptReader).trim();
-        } catch (final IOException e) {
-            throw new ApexModelException("Unable to read Apex concept ", e);
-        }
-
-        return read(apexConceptString);
-    }
-
-    /**
-     * This method reads the specified Apex string into an Apex concept.
-     *
-     * @param apexConceptString the apex concept as a string
-     * @return the Apex concept
-     * @throws ApexModelException on reading exceptions
-     */
-    public C read(final String apexConceptString) throws ApexModelException {
-        Assertions.argumentNotNull(apexConceptString, "concept string may not be null");
-
-        LOGGER.entry("reading Apex concept from string . . .");
-
-        C apexConcept = null;
-        try {
-            apexConcept = gson.fromJson(apexConceptString, rootConceptClass);
-        } catch (final Exception je) {
-            throw new ApexModelException("Unable to unmarshal Apex concept ", je);
-        }
-
-        if (apexConcept == null) {
-            throw new ApexModelException("Unable to unmarshal Apex concept, unmarshaled model is null ");
-        }
-
-        LOGGER.debug("reading of Apex concept {} completed");
-
-        apexConcept.buildReferences();
-
-        // Check if the concept should be validated
-        if (validate) {
-            // Validate the configuration file
-            final AxValidationResult validationResult = apexConcept.validate(new AxValidationResult());
-            if (validationResult.isValid()) {
-                return apexConcept;
-            } else {
-                String message = "Apex concept validation failed" + validationResult.toString();
-                LOGGER.error(message);
-                throw new ApexModelException(message);
-            }
-        } else {
-            // No validation check
-            return apexConcept;
-        }
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelSaver.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelSaver.java
deleted file mode 100644
index 79d69bdd5..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelSaver.java
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019-2022 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import java.io.File;
-import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-import org.onap.policy.common.utils.validation.Assertions;
-import org.slf4j.ext.XLogger;
-import org.slf4j.ext.XLoggerFactory;
-
-/**
- * This class is used to save Apex models to file in JSON format.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- * @param <M> the type of Apex model to save to file, must be a sub class of {@link AxModel}
- */
-public class ApexModelSaver<M extends AxModel> {
-    private static final XLogger LOGGER = XLoggerFactory.getXLogger(ApexModelSaver.class);
-
-    // The class of the model and the model to write to disk
-    private final Class<M> rootModelClass;
-    private final M model;
-
-    // The path into which to write the models
-    private final String writePath;
-
-    /**
-     * Constructor, specifies the type of the Apex model (a sub class of {@link AxModel}), the model to write, and the
-     * path of a directory to which to write the model.
-     *
-     * @param rootModelClass the class of the model, a sub class of {@link AxModel}
-     * @param model the model to write, an instance of a sub class of {@link AxModel}
-     * @param writePath the directory to which models will be written. The name of the written model will be the Model
-     *        Name for its key with the suffix {@code .json}.
-     */
-    public ApexModelSaver(final Class<M> rootModelClass, final M model, final String writePath) {
-        Assertions.argumentNotNull(rootModelClass, "argument rootModelClass may not be null");
-        Assertions.argumentNotNull(model, "argument model may not be null");
-        Assertions.argumentNotNull(writePath, "writePath rootModelClass may not be null");
-
-        this.rootModelClass = rootModelClass;
-        this.model = model;
-        this.writePath = writePath;
-    }
-
-    /**
-     * Write an Apex model to a file in JSON format. The model will be written to {@code <writePath/modelKeyName.json>}
-     *
-     * @throws ApexException on errors writing the Apex model
-     */
-    public void apexModelWriteJson() throws ApexException {
-        LOGGER.debug("running apexModelWriteJSON . . .");
-
-        // Write the file to disk
-        final var jsonFile = new File(writePath + File.separatorChar + model.getKey().getName() + ".json");
-        new ApexModelFileWriter<M>(true).apexModelWriteJsonFile(model, rootModelClass, jsonFile.getPath());
-
-        LOGGER.debug("ran apexModelWriteJSON");
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelStringWriter.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelStringWriter.java
deleted file mode 100644
index a9df23afc..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelStringWriter.java
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019-2022 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import java.io.ByteArrayOutputStream;
-import lombok.Getter;
-import lombok.Setter;
-import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
-import org.onap.policy.apex.model.basicmodel.concepts.AxConcept;
-import org.onap.policy.common.utils.validation.Assertions;
-import org.slf4j.ext.XLogger;
-import org.slf4j.ext.XLoggerFactory;
-
-/**
- * This class writes an Apex concept to a string.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- * @param <C> the type of Apex concept to write to a string, must be a sub class of {@link AxConcept}
- */
-@Getter
-@Setter
-public class ApexModelStringWriter<C extends AxConcept> {
-    private static final XLogger LOGGER = XLoggerFactory.getXLogger(ApexModelStringWriter.class);
-
-    // Should concepts being written to files be valid
-    private boolean validate;
-
-    /**
-     * Constructor, set the validation flag.
-     *
-     * @param validate Should validation be performed prior to output
-     */
-    public ApexModelStringWriter(final boolean validate) {
-        this.validate = validate;
-    }
-
-    /**
-     * Write a concept to a string.
-     *
-     * @param concept The concept to write
-     * @param rootConceptClass The concept class
-     * @return The string with the concept
-     * @throws ApexException thrown on errors
-     */
-    public String writeString(final C concept, final Class<C> rootConceptClass)
-                    throws ApexException {
-        Assertions.argumentNotNull(concept, "concept may not be null");
-
-        return writeJsonString(concept, rootConceptClass);
-    }
-
-    /**
-     * Write a concept to a JSON string.
-     *
-     * @param concept The concept to write
-     * @param rootConceptClass The concept class
-     * @return The string with the concept
-     * @throws ApexException thrown on errors
-     */
-    public String writeJsonString(final C concept, final Class<C> rootConceptClass) throws ApexException {
-        LOGGER.debug("running writeJSONString . . .");
-
-        final ApexModelWriter<C> conceptWriter = new ApexModelWriter<>(rootConceptClass);
-        conceptWriter.setValidate(validate);
-
-        try (var baOutputStream = new ByteArrayOutputStream()) {
-            conceptWriter.write(concept, baOutputStream);
-            return baOutputStream.toString();
-        } catch (final Exception e) {
-            LOGGER.warn("error writing JSON string", e);
-            throw new ApexException("error writing JSON string", e);
-        }
-
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelWriter.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelWriter.java
deleted file mode 100644
index 349622697..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelWriter.java
+++ /dev/null
@@ -1,148 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019-2022 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.OutputStreamWriter;
-import java.io.Writer;
-import java.util.Map;
-import lombok.Getter;
-import lombok.Setter;
-import org.onap.policy.apex.model.basicmodel.concepts.AxConcept;
-import org.onap.policy.apex.model.basicmodel.concepts.AxReferenceKey;
-import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult;
-import org.onap.policy.common.utils.validation.Assertions;
-import org.slf4j.ext.XLogger;
-import org.slf4j.ext.XLoggerFactory;
-
-/**
- * This class writes an Apex concept to a file from a Java Apex Concept.
- *
- * @param <C> the type of Apex concept to write, must be a sub class of {@link AxConcept}
- * @author John Keeney (john.keeney@ericsson.com)
- */
-@Getter
-@Setter
-public class ApexModelWriter<C extends AxConcept> {
-
-    private static final String CONCEPT_MAY_NOT_BE_NULL = "concept may not be null";
-    private static final String CONCEPT_WRITER_MAY_NOT_BE_NULL = "concept writer may not be null";
-    private static final String CONCEPT_STREAM_MAY_NOT_BE_NULL = "concept stream may not be null";
-
-    // Use GSON to serialize JSON
-    private static Gson gson = new GsonBuilder()
-        .registerTypeAdapter(AxReferenceKey.class, new ApexModelCustomGsonRefereceKeyAdapter())
-        .registerTypeAdapter(Map.class, new ApexModelCustomGsonMapAdapter())
-        .setPrettyPrinting()
-        .create();
-
-    // Get a reference to the logger
-    private static final XLogger LOGGER = XLoggerFactory.getXLogger(ApexModelWriter.class);
-
-    //  The root class of the concept we are reading
-    private final Class<C> rootConceptClass;
-
-    // All written concepts are validated before writing if this flag is set
-    private boolean validate = true;
-
-    /**
-     * Constructor, initiates the writer with validation on.
-     *
-     * @param rootConceptClass the root concept class for concept reading
-     * @throws ApexModelException the apex concept reader exception
-     */
-    public ApexModelWriter(final Class<C> rootConceptClass) throws ApexModelException {
-        // Save the root concept class
-        this.rootConceptClass = rootConceptClass;
-    }
-
-    /**
-     * This method validates the Apex concept then writes it into a stream.
-     *
-     * @param concept the concept to write
-     * @param apexConceptStream the stream to write to
-     * @throws ApexModelException on validation or writing exceptions
-     */
-    public void write(final C concept, final OutputStream apexConceptStream) throws ApexModelException {
-        Assertions.argumentNotNull(concept, CONCEPT_MAY_NOT_BE_NULL);
-        Assertions.argumentNotNull(apexConceptStream, CONCEPT_STREAM_MAY_NOT_BE_NULL);
-
-        this.write(concept, new OutputStreamWriter(apexConceptStream));
-    }
-
-    /**
-     * This method validates the Apex concept then writes it into a writer.
-     *
-     * @param concept the concept to write
-     * @param apexConceptWriter the writer to write to
-     * @throws ApexModelException on validation or writing exceptions
-     */
-    public void write(final C concept, final Writer apexConceptWriter) throws ApexModelException {
-        Assertions.argumentNotNull(concept, CONCEPT_MAY_NOT_BE_NULL);
-        Assertions.argumentNotNull(apexConceptWriter, CONCEPT_WRITER_MAY_NOT_BE_NULL);
-
-        // Check if we should validate the concept
-        if (validate) {
-            // Validate the concept first
-            final AxValidationResult validationResult = concept.validate(new AxValidationResult());
-            if (!validationResult.isValid()) {
-                String message =
-                    "Apex concept (" + concept.getKey().getId() + ") validation failed: " + validationResult.toString();
-                throw new ApexModelException(message);
-            }
-        }
-
-        writeJson(concept, apexConceptWriter);
-    }
-
-    /**
-     * This method writes the Apex concept into a writer in JSON format.
-     *
-     * @param concept the concept to write
-     * @param apexConceptWriter the writer to write to
-     * @throws ApexModelException on validation or writing exceptions
-     */
-    private void writeJson(final C concept, final Writer apexConceptWriter) throws ApexModelException {
-        Assertions.argumentNotNull(concept, CONCEPT_MAY_NOT_BE_NULL);
-
-        LOGGER.debug("writing Apex concept JSON . . .");
-
-        String modelJsonString = null;
-        try {
-            modelJsonString = gson.toJson(concept, rootConceptClass);
-        } catch (Exception je) {
-            throw new ApexModelException("Unable to marshal Apex concept to JSON", je);
-        }
-
-        try {
-            apexConceptWriter.write(modelJsonString);
-            apexConceptWriter.close();
-        } catch (IOException ioe) {
-            throw new ApexModelException("Unable to write Apex concept as JSON", ioe);
-        }
-
-        LOGGER.debug("wrote Apex concept JSON");
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/package-info.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/package-info.java
deleted file mode 100644
index 3d6dab3b2..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/handling/package-info.java
+++ /dev/null
@@ -1,21 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2022 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-package org.onap.policy.apex.model.basicmodel.handling;
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/package-info.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/package-info.java
deleted file mode 100644
index 8ad405e25..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/package-info.java
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019,2022 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-/**
- * Provides the base definition of an APEX model. It also defines the Model Service, the mechanism that allows access to
- * the model for APEX concepts anywhere in the system.
- *
- * <p>It also provides handling support to models, allowing them to be read and written to file and databases in JSON
- * format.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- */
-package org.onap.policy.apex.model.basicmodel;
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/service/ModelService.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/service/ModelService.java
deleted file mode 100644
index c6eb0e011..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/service/ModelService.java
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.service;
-
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-import org.onap.policy.apex.model.basicmodel.concepts.ApexRuntimeException;
-import org.onap.policy.apex.model.basicmodel.concepts.AxConcept;
-
-/**
- * The model service makes Apex models available to all classes in a JVM.
- *
- * <p>The reason for having a model service is to avoid having to pass concept and model definitions down long call
- * chains in modules such as the Apex engine and editor. The model service makes the model and concept definitions
- * available statically.
- *
- * <p>Note that the use of the model service means that only a single Apex model of a particular type may exist in Apex
- * (particularly the engine) at any time. Of course the model in a JVM can be changed at any time provided all users of
- * the model are stopped and restarted in an orderly manner.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- */
-public abstract class ModelService {
-    // The map holding the models
-    private static Map<Class<?>, AxConcept> modelMap = new ConcurrentHashMap<>();
-
-    /**
-     * This class is an abstract static class that cannot be extended.
-     */
-    private ModelService() {
-    }
-
-    /**
-     * Register a model with the model service.
-     *
-     * @param <M> the generic type
-     * @param modelClass the class of the model, used to index the model
-     * @param model The model
-     */
-    public static <M extends AxConcept> void registerModel(final Class<M> modelClass, final M model) {
-        modelMap.put(modelClass, model);
-    }
-
-    /**
-     * Remove a model from the model service.
-     *
-     * @param <M> the generic type
-     * @param modelClass the class of the model, used to index the model
-     */
-    public static <M extends AxConcept> void deregisterModel(final Class<M> modelClass) {
-        modelMap.remove(modelClass);
-    }
-
-    /**
-     * Get a model from the model service.
-     *
-     * @param <M> the generic type
-     * @param modelClass the class of the model, used to index the model
-     * @return The model
-     */
-    @SuppressWarnings("unchecked")
-    public static <M extends AxConcept> M getModel(final Class<M> modelClass) {
-        final M model = (M) modelMap.get(modelClass);
-
-        if (model == null) {
-            throw new ApexRuntimeException("Model for " + modelClass.getName() + " not found in model service");
-        }
-
-        return model;
-    }
-
-    /**
-     * Check if a model is defined on the model service.
-     *
-     * @param <M> the generic type
-     * @param modelClass the class of the model, used to index the model
-     * @return true if the model is defined
-     */
-    public static <M extends AxConcept> boolean existsModel(final Class<M> modelClass) {
-        return modelMap.get(modelClass) != null;
-    }
-
-    /**
-     * Clear all models in the model service.
-     */
-    public static void clear() {
-        modelMap.clear();
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/service/package-info.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/service/package-info.java
deleted file mode 100644
index a27e45d1a..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/service/package-info.java
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * 
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-/**
- * Contains the static services in Apex that make models and parameters available to all objects in the JVM.
- * 
- * @author Liam Fallon (liam.fallon@ericsson.com)
- */
-package org.onap.policy.apex.model.basicmodel.service;
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/test/TestApexModel.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/test/TestApexModel.java
deleted file mode 100644
index 9dde47d05..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/test/TestApexModel.java
+++ /dev/null
@@ -1,259 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2021-2022 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.test;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult;
-import org.onap.policy.apex.model.basicmodel.handling.ApexModelFileWriter;
-import org.onap.policy.apex.model.basicmodel.handling.ApexModelReader;
-import org.onap.policy.apex.model.basicmodel.handling.ApexModelWriter;
-import org.onap.policy.common.utils.resources.ResourceUtils;
-import org.slf4j.ext.XLogger;
-import org.slf4j.ext.XLoggerFactory;
-
-/**
- * This class tests reading and writing of Apex models to file and to a database using JPA. It also tests validation of
- * Apex models. This class is designed for use in unit tests in modules that define Apex models.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- * @param <M> the generic type
- */
-public class TestApexModel<M extends AxModel> {
-    private static final String MODEL_IS_INVALID = "model is invalid ";
-    private static final String ERROR_PROCESSING_FILE = "error processing file ";
-    private static final String TEST_MODEL_UNEQUAL_STR = "test model does not equal model read from file ";
-    private static final String TEMP_FILE_CREATE_ERR_STR = "error creating temporary file for Apex model";
-
-    private static final XLogger LOGGER = XLoggerFactory.getXLogger(TestApexModel.class);
-
-    // The root model class that specifies the root to import and export from
-    private final Class<M> rootModelClass;
-
-    // The class that provides the model
-    private TestApexModelCreator<M> modelCreator = null;
-
-    /**
-     * Constructor, defines the subclass of {@link AxModel} that is being tested and the {@link TestApexModelCreator}
-     * object that is used to generate Apex models.
-     *
-     * @param rootModelClass the Apex model class, a sub class of {@link AxModel}
-     * @param modelCreator the @link TestApexModelCreator} that will generate Apex models of various types for testing
-     */
-    public TestApexModel(final Class<M> rootModelClass, final TestApexModelCreator<M> modelCreator) {
-        this.rootModelClass = rootModelClass;
-        this.modelCreator = modelCreator;
-    }
-
-    /**
-     * Get a test Apex model using the model creator.
-     *
-     * @return the test Apex model
-     */
-    public final M getModel() {
-        return modelCreator.getModel();
-    }
-
-    /**
-     * Test write and read in JSON format.
-     *
-     * @throws ApexException on write/read errors
-     */
-    public final void testApexModelWriteReadJson() throws ApexException {
-        LOGGER.debug("running testApexModelWriteReadJSON . . .");
-
-        final var model = modelCreator.getModel();
-
-        // Write the file to disk
-        File jsonFile;
-        try {
-            jsonFile = File.createTempFile("ApexModel", ".json");
-            jsonFile.deleteOnExit();
-        } catch (final Exception e) {
-            LOGGER.warn(TEMP_FILE_CREATE_ERR_STR, e);
-            throw new ApexException(TEMP_FILE_CREATE_ERR_STR, e);
-        }
-        new ApexModelFileWriter<M>(true).apexModelWriteJsonFile(model, rootModelClass, jsonFile.getPath());
-
-        // Read the file from disk
-        final ApexModelReader<M> modelReader = new ApexModelReader<>(rootModelClass);
-
-        try {
-            final var apexModelUrl = ResourceUtils.getLocalFile(jsonFile.getAbsolutePath());
-            final var fileModel = modelReader.read(apexModelUrl.openStream());
-            checkModelEquality(model, fileModel, TEST_MODEL_UNEQUAL_STR + jsonFile.getAbsolutePath());
-        } catch (final Exception e) {
-            LOGGER.warn(ERROR_PROCESSING_FILE + jsonFile.getAbsolutePath(), e);
-            throw new ApexException(ERROR_PROCESSING_FILE + jsonFile.getAbsolutePath(), e);
-        }
-
-        final ApexModelWriter<M> modelWriter = new ApexModelWriter<>(rootModelClass);
-
-        final var baOutputStream = new ByteArrayOutputStream();
-        modelWriter.write(model, baOutputStream);
-        final var baInputStream = new ByteArrayInputStream(baOutputStream.toByteArray());
-        final var byteArrayModel = modelReader.read(baInputStream);
-
-        checkModelEquality(model, byteArrayModel, "test model does not equal JSON marshalled and unmarshalled model");
-
-        LOGGER.debug("ran testApexModelWriteReadJSON");
-    }
-
-    /**
-     * Test that an Apex model is valid.
-     *
-     * @return the result of the validation
-     * @throws ApexException thrown on errors validating the Apex model
-     */
-    public final AxValidationResult testApexModelValid() throws ApexException {
-        LOGGER.debug("running testApexModelVaid . . .");
-
-        final var model = modelCreator.getModel();
-        final AxValidationResult result = model.validate(new AxValidationResult());
-
-        if (!result.isValid()) {
-            String message = MODEL_IS_INVALID + result.toString();
-            LOGGER.warn(message);
-            throw new ApexException(message);
-        }
-
-        LOGGER.debug("ran testApexModelVaid");
-        return result;
-    }
-
-    /**
-     * Test that an Apex model is structured incorrectly.
-     *
-     * @return the result of the validation
-     * @throws ApexException thrown on errors validating the Apex model
-     */
-    public final AxValidationResult testApexModelVaidateMalstructured() throws ApexException {
-        LOGGER.debug("running testApexModelVaidateMalstructured . . .");
-
-        final var model = modelCreator.getMalstructuredModel();
-        final AxValidationResult result = model.validate(new AxValidationResult());
-
-        if (result.isValid()) {
-            String message = "model should not be valid " + result.toString();
-            LOGGER.warn(message);
-            throw new ApexException(message);
-        }
-
-        LOGGER.debug("ran testApexModelVaidateMalstructured");
-        return result;
-    }
-
-    /**
-     * Test that an Apex model has observations.
-     *
-     * @return the result of the validation
-     * @throws ApexException thrown on errors validating the Apex model
-     */
-    public final AxValidationResult testApexModelVaidateObservation() throws ApexException {
-        LOGGER.debug("running testApexModelVaidateObservation . . .");
-
-        final var model = modelCreator.getObservationModel();
-        final AxValidationResult result = model.validate(new AxValidationResult());
-
-        if (!result.isValid()) {
-            String message = MODEL_IS_INVALID + result.toString();
-            LOGGER.warn(message);
-            throw new ApexException(message);
-        }
-
-        if (!result.getValidationResult().equals(AxValidationResult.ValidationResult.OBSERVATION)) {
-            LOGGER.warn("model should have observations");
-            throw new ApexException("model should have observations");
-        }
-
-        LOGGER.debug("ran testApexModelVaidateObservation");
-        return result;
-    }
-
-    /**
-     * Test that an Apex model has warnings.
-     *
-     * @return the result of the validation
-     * @throws ApexException thrown on errors validating the Apex model
-     */
-    public final AxValidationResult testApexModelVaidateWarning() throws ApexException {
-        LOGGER.debug("running testApexModelVaidateWarning . . .");
-
-        final var model = modelCreator.getWarningModel();
-        final AxValidationResult result = model.validate(new AxValidationResult());
-
-        if (!result.isValid()) {
-            String message = MODEL_IS_INVALID + result.toString();
-            LOGGER.warn(message);
-            throw new ApexException(message);
-        }
-
-        if (!result.getValidationResult().equals(AxValidationResult.ValidationResult.WARNING)) {
-            LOGGER.warn("model should have warnings");
-            throw new ApexException("model should have warnings");
-        }
-
-        LOGGER.debug("ran testApexModelVaidateWarning");
-        return result;
-    }
-
-    /**
-     * Test that an Apex model is invalid.
-     *
-     * @return the result of the validation
-     * @throws ApexException thrown on errors validating the Apex model
-     */
-    public final AxValidationResult testApexModelVaidateInvalidModel() throws ApexException {
-        LOGGER.debug("running testApexModelVaidateInvalidModel . . .");
-
-        final var model = modelCreator.getInvalidModel();
-        final AxValidationResult result = model.validate(new AxValidationResult());
-
-        if (result.isValid()) {
-            String message = "model should not be valid " + result.toString();
-            LOGGER.warn(message);
-            throw new ApexException(message);
-        }
-
-        LOGGER.debug("ran testApexModelVaidateInvalidModel");
-        return result;
-    }
-
-    /**
-     * Check if two models are equal.
-     *
-     * @param leftModel the left model
-     * @param rightModel the right model
-     * @param errorMessage the error message to output on inequality
-     * @throws ApexException the exception to throw on inequality
-     */
-    public void checkModelEquality(final M leftModel, final M rightModel, final String errorMessage)
-        throws ApexException {
-        if (!leftModel.equals(rightModel)) {
-            LOGGER.warn(errorMessage);
-            throw new ApexException(errorMessage);
-        }
-    }
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/test/TestApexModelCreator.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/test/TestApexModelCreator.java
deleted file mode 100644
index 65441a33c..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/test/TestApexModelCreator.java
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * 
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.test;
-
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-import org.onap.policy.apex.model.basicmodel.handling.ApexModelCreator;
-
-/**
- * The Interface TestApexModelCreator is used to create models for Apex model tests. It is mainly used by unit tests for
- * Apex domain models so that developers can write test Java programs to create models.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- * @param <M> the generic type
- */
-public interface TestApexModelCreator<M extends AxModel> extends ApexModelCreator<M> {
-
-    /**
-     * Gets the malstructured model.
-     *
-     * @return the malstructured model
-     */
-    M getMalstructuredModel();
-
-    /**
-     * Gets the observation model.
-     *
-     * @return the observation model
-     */
-    M getObservationModel();
-
-    /**
-     * Gets the warning model.
-     *
-     * @return the warning model
-     */
-    M getWarningModel();
-
-    /**
-     * Gets the invalid model.
-     *
-     * @return the invalid model
-     */
-    M getInvalidModel();
-}
diff --git a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/test/package-info.java b/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/test/package-info.java
deleted file mode 100644
index 9bbdd1cce..000000000
--- a/model/basic-model/src/main/java/org/onap/policy/apex/model/basicmodel/test/package-info.java
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * 
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-/**
- * Contains utility classes that allow testing of validation and reads and writes on APEX models to files and databases.
- * 
- * @author Liam Fallon (liam.fallon@ericsson.com)
- */
-package org.onap.policy.apex.model.basicmodel.test;
diff --git a/model/basic-model/src/main/resources/doc/JDBCPropertiesExamples.txt b/model/basic-model/src/main/resources/doc/JDBCPropertiesExamples.txt
deleted file mode 100644
index 6e105a68d..000000000
--- a/model/basic-model/src/main/resources/doc/JDBCPropertiesExamples.txt
+++ /dev/null
@@ -1,35 +0,0 @@
-#-------------------------------------------------------------------------------
-# ============LICENSE_START=======================================================
-#  Copyright (C) 2016-2018 Ericsson. All rights reserved.
-# ================================================================================
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-# 
-#      http://www.apache.org/licenses/LICENSE-2.0
-# 
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-# 
-# SPDX-License-Identifier: Apache-2.0
-# ============LICENSE_END=========================================================
-#-------------------------------------------------------------------------------
-
-Properties jdbcProperties = new Properties();
-jdbcProperties.put("javax.persistence.jdbc.url", "jdbc:postgresql://localhost:5432/apex_test");
-jdbcProperties.put("eclipselink.ddl-generation", "drop-and-create-tables");
-
-Properties jdbcProperties = new Properties();
-jdbcProperties.put("javax.persistence.jdbc.url", "jdbc:postgresql://localhost:5432/apex_test");
-jdbcProperties.put("hibernate.hbm2ddl.auto",     "create-drop");
-
-Properties jdbcProperties = new Properties();
-jdbcProperties.put("javax.persistence.jdbc.url", "jdbc:postgresql://localhost:5432/apex");
-jdbcProperties.put("eclipselink.ddl-generation", "create-or-extend-tables");
-
-Properties jdbcProperties = new Properties();
-jdbcProperties.put("javax.persistence.jdbc.url", "jdbc:postgresql://localhost:5432/apex");
-jdbcProperties.put("hibernate.hbm2ddl.auto",     "update");
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/AxConceptGetterImplTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/AxConceptGetterImplTest.java
deleted file mode 100644
index 44a9de49e..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/AxConceptGetterImplTest.java
+++ /dev/null
@@ -1,84 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020 Nordix Foundation
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-
-import java.util.NavigableMap;
-import java.util.TreeMap;
-import java.util.TreeSet;
-import org.junit.Test;
-
-/**
- * Test the AxConceptGetterImpl class.
- */
-public class AxConceptGetterImplTest {
-
-    @Test
-    public void testAxConceptGetterImpl() {
-        NavigableMap<AxArtifactKey, AxArtifactKey> keyMap = new TreeMap<>();
-
-        AxConceptGetterImpl<AxArtifactKey> getter = new AxConceptGetterImpl<>(keyMap);
-        assertNotNull(getter);
-
-        AxArtifactKey keyA = new AxArtifactKey("A", "0.0.1");
-        assertNull(getter.get(keyA));
-
-        assertThatThrownBy(() -> getter.get((String) null))
-            .hasMessage("conceptKeyName may not be null");
-        assertNull(getter.get("W"));
-
-        AxArtifactKey keyZ = new AxArtifactKey("Z", "0.0.1");
-        keyMap.put(keyZ, keyZ);
-        assertNull(getter.get("W"));
-
-        AxArtifactKey keyW001 = new AxArtifactKey("W", "0.0.1");
-        keyMap.put(keyW001, keyW001);
-        assertEquals(keyW001, getter.get("W"));
-
-        AxArtifactKey keyW002 = new AxArtifactKey("W", "0.0.2");
-        keyMap.put(keyW002, keyW002);
-        assertEquals(keyW002, getter.get("W"));
-
-        keyMap.remove(keyZ);
-        assertEquals(keyW002, getter.get("W"));
-
-        assertThatThrownBy(() -> getter.get((String) null, "0.0.1"))
-            .hasMessage("conceptKeyName may not be null");
-        assertEquals(keyW002, getter.get("W", "0.0.2"));
-        assertEquals(keyW002, getter.get("W", (String) null));
-
-        assertEquals(new TreeSet<AxArtifactKey>(keyMap.values()), getter.getAll(null));
-        assertEquals(new TreeSet<AxArtifactKey>(keyMap.values()), getter.getAll(null, null));
-
-        assertEquals(keyW001, getter.getAll("W", null).iterator().next());
-        assertEquals(keyW002, getter.getAll("W", "0.0.2").iterator().next());
-        assertEquals(0, getter.getAll("A", null).size());
-        assertEquals(0, getter.getAll("Z", null).size());
-
-        keyMap.put(keyZ, keyZ);
-        assertEquals(keyW002, getter.getAll("W", "0.0.2").iterator().next());
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyInfoTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyInfoTest.java
deleted file mode 100644
index 0c7edee28..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyInfoTest.java
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019-2022 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-
-import java.util.UUID;
-import org.junit.Test;
-
-
-public class AxKeyInfoTest {
-
-    @Test
-    public void testNullAxKeyInfo() {
-        assertNotNull(new AxKeyInfo());
-        assertNotNull(new AxKeyInfo(new AxArtifactKey()));
-        assertNotNull(new AxKeyInfo(new AxArtifactKey(), UUID.randomUUID(), "Key description"));
-    }
-
-    @Test
-    public void testAxKeyInfo() {
-        AxKeyInfo testKeyInfo = new AxKeyInfo();
-        testKeyInfo.setKey((new AxArtifactKey("PN", "0.0.1")));
-        assertEquals("PN:0.0.1", testKeyInfo.getKey().getId());
-        assertTrue(testKeyInfo.matchesId("PN:0.0.1"));
-
-        AxArtifactKey key = new AxArtifactKey("key", "0.0.1");
-        testKeyInfo.setKey(key);
-        assertEquals(key, testKeyInfo.getKey());
-
-        UUID uuid = UUID.randomUUID();
-        testKeyInfo.setUuid(uuid);
-        assertEquals(uuid, testKeyInfo.getUuid());
-        testKeyInfo.setDescription("Key Description");
-        assertEquals("Key Description", testKeyInfo.getDescription());
-
-        AxKeyInfo clonedReferenceKey = new AxKeyInfo(testKeyInfo);
-        assertTrue(clonedReferenceKey.toString()
-                        .startsWith("AxKeyInfo:(artifactId=AxArtifactKey:(name=key,version=0.0.1),uuid="));
-
-        assertNotEquals(0, testKeyInfo.hashCode());
-        // disabling sonar because this code tests the equals() method
-        assertEquals(testKeyInfo, testKeyInfo); // NOSONAR
-        assertEquals(testKeyInfo, clonedReferenceKey);
-        assertNotNull(testKeyInfo);
-        Object differentKeyType = new AxArtifactKey();
-        assertNotEquals(testKeyInfo, differentKeyType);
-        assertNotEquals(testKeyInfo, new AxKeyInfo(new AxArtifactKey()));
-        assertNotEquals(testKeyInfo, new AxKeyInfo(key, UUID.randomUUID(), "Some Description"));
-        assertEquals(testKeyInfo, new AxKeyInfo(key, uuid, "Some Other Description"));
-        assertEquals(testKeyInfo, new AxKeyInfo(key, uuid, "Key Description"));
-
-        assertEquals(0, testKeyInfo.compareTo(testKeyInfo));
-        assertEquals(0, testKeyInfo.compareTo(clonedReferenceKey));
-
-
-    }
-
-    @Test
-    public void testAxKeyValidation() {
-        AxKeyInfo testKeyInfo = new AxKeyInfo();
-        testKeyInfo.setKey((new AxArtifactKey("PN", "0.0.1")));
-
-        AxValidationResult result = new AxValidationResult();
-        result = testKeyInfo.validate(result);
-        assertEquals(AxValidationResult.ValidationResult.VALID, result.getValidationResult());
-
-        testKeyInfo.setDescription("");
-        result = testKeyInfo.validate(result);
-        assertEquals(AxValidationResult.ValidationResult.OBSERVATION, result.getValidationResult());
-
-        testKeyInfo.setUuid(new UUID(0, 0));
-        result = testKeyInfo.validate(result);
-        assertEquals(AxValidationResult.ValidationResult.WARNING, result.getValidationResult());
-
-        testKeyInfo.setKey(AxArtifactKey.getNullKey());
-        result = testKeyInfo.validate(result);
-        assertEquals(AxValidationResult.ValidationResult.INVALID, result.getValidationResult());
-
-        assertNotNull(AxKeyInfo.generateReproducibleUuid(null));
-        assertNotNull(AxKeyInfo.generateReproducibleUuid("SeedString"));
-
-        testKeyInfo.clean();
-        assertNotNull(testKeyInfo);
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyTest.java
deleted file mode 100644
index 010f4b8a3..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyTest.java
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019-2021 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-
-import java.lang.reflect.Field;
-import org.junit.Before;
-import org.junit.Test;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKey.Compatibility;
-
-public class AxKeyTest {
-
-    private static AxArtifactKey someKey0;
-    private static AxArtifactKey someKey1;
-    private static AxArtifactKey someKey2;
-    private static AxArtifactKey someKey3;
-    private static AxArtifactKey someKey4;
-    private static AxArtifactKey someKey5;
-    private static AxArtifactKey someKey6;
-
-    /**
-     * Sets data in Keys for the tests.
-     */
-    @Before
-    public void setKeys() {
-        someKey0 = new AxArtifactKey();
-        someKey1 = new AxArtifactKey("name", "0.0.1");
-        someKey2 = new AxArtifactKey(someKey1);
-        someKey3 = new AxArtifactKey(someKey1.getId());
-        someKey4 = new AxArtifactKey(someKey1);
-        someKey5 = new AxArtifactKey(someKey1);
-        someKey6 = new AxArtifactKey(someKey1);
-    }
-
-    private void setKeyValues() {
-        someKey0.setName("zero");
-        someKey0.setVersion("0.0.2");
-        someKey3.setVersion("0.0.2");
-        someKey4.setVersion("0.1.2");
-        someKey5.setVersion("1.2.2");
-        someKey6.setVersion("3");
-    }
-
-    @Test
-    public void testArtifactKey() {
-        assertThatThrownBy(() -> new AxArtifactKey("some bad key id"))
-            .hasMessage("parameter \"id\": value \"some bad key id\", "
-                            + "does not match regular expression \"[A-Za-z0-9\\-_\\.]+:[0-9].[0-9].[0-9]\"");
-
-        assertEquals(AxArtifactKey.getNullKey(), someKey0);
-
-        assertEquals(someKey1, someKey2);
-        assertEquals(someKey1, someKey3);
-
-        assertEquals(someKey2, someKey1.getKey());
-        assertEquals(1, someKey1.getKeys().size());
-
-        setKeyValues();
-
-        someKey0.clean();
-        assertNotNull(someKey0.toString());
-
-        AxArtifactKey someKey7 = new AxArtifactKey(someKey1);
-        assertEquals(150332875, someKey7.hashCode());
-        assertEquals(0, someKey7.compareTo(someKey1));
-        assertEquals(-12, someKey7.compareTo(someKey0));
-
-        assertThatThrownBy(() -> someKey0.compareTo(null))
-            .hasMessage("comparison object may not be null");
-        assertEquals(0, someKey0.compareTo(someKey0));
-        assertEquals(353602977, someKey0.compareTo(new AxReferenceKey()));
-
-        assertNotNull(someKey0);
-        // disabling sonar because this code tests the equals() method
-        assertEquals(someKey0, someKey0); // NOSONAR
-        assertNotEquals(someKey0, (Object) new AxReferenceKey());
-    }
-
-    @Test
-    public void testAxCompatibility() {
-        setKeyValues();
-
-        assertEquals(Compatibility.DIFFERENT, someKey0.getCompatibility(new AxReferenceKey()));
-        assertEquals(Compatibility.DIFFERENT, someKey0.getCompatibility(someKey1));
-        assertEquals(Compatibility.IDENTICAL, someKey2.getCompatibility(someKey1));
-        assertEquals(Compatibility.PATCH, someKey3.getCompatibility(someKey1));
-        assertEquals(Compatibility.MINOR, someKey4.getCompatibility(someKey1));
-        assertEquals(Compatibility.MAJOR, someKey5.getCompatibility(someKey1));
-        assertEquals(Compatibility.MAJOR, someKey6.getCompatibility(someKey1));
-
-        assertTrue(someKey1.isCompatible(someKey2));
-        assertTrue(someKey1.isCompatible(someKey3));
-        assertTrue(someKey1.isCompatible(someKey4));
-        assertFalse(someKey1.isCompatible(someKey0));
-        assertFalse(someKey1.isCompatible(someKey5));
-        assertFalse(someKey1.isCompatible(new AxReferenceKey()));
-    }
-
-    @Test
-    public void testAxValidation() {
-        setKeyValues();
-
-        assertEquals(AxValidationResult.ValidationResult.VALID,
-                        someKey0.validate(new AxValidationResult()).getValidationResult());
-        assertEquals(AxValidationResult.ValidationResult.VALID,
-                        someKey1.validate(new AxValidationResult()).getValidationResult());
-        assertEquals(AxValidationResult.ValidationResult.VALID,
-                        someKey2.validate(new AxValidationResult()).getValidationResult());
-        assertEquals(AxValidationResult.ValidationResult.VALID,
-                        someKey3.validate(new AxValidationResult()).getValidationResult());
-        assertEquals(AxValidationResult.ValidationResult.VALID,
-                        someKey4.validate(new AxValidationResult()).getValidationResult());
-        assertEquals(AxValidationResult.ValidationResult.VALID,
-                        someKey5.validate(new AxValidationResult()).getValidationResult());
-        assertEquals(AxValidationResult.ValidationResult.VALID,
-                        someKey6.validate(new AxValidationResult()).getValidationResult());
-    }
-
-    @Test
-    public void testNullKey() {
-        setKeyValues();
-
-        AxArtifactKey nullKey0 = AxArtifactKey.getNullKey();
-        assertTrue(nullKey0.isNullKey());
-        AxArtifactKey nullKey1 = new AxArtifactKey();
-        assertTrue(nullKey1.isNullKey());
-        AxArtifactKey nullKey2 = new AxArtifactKey(AxKey.NULL_KEY_NAME, AxKey.NULL_KEY_VERSION);
-        assertTrue(nullKey2.isNullKey());
-        AxArtifactKey notnullKey = new AxArtifactKey("Blah", AxKey.NULL_KEY_VERSION);
-        assertFalse(notnullKey.isNullKey());
-    }
-
-
-    @Test
-    public void testValidation() throws IllegalArgumentException, IllegalAccessException,
-        NoSuchFieldException, SecurityException {
-        AxArtifactKey testKey = new AxArtifactKey("TheKey", "0.0.1");
-        assertEquals("TheKey:0.0.1", testKey.getId());
-
-        Field nameField = testKey.getClass().getDeclaredField("name");
-        nameField.setAccessible(true);
-        nameField.set(testKey, "Key Name");
-        AxValidationResult validationResult = new AxValidationResult();
-        testKey.validate(validationResult);
-        nameField.set(testKey, "TheKey");
-        nameField.setAccessible(false);
-        assertEquals(
-            "name invalid-parameter name with value Key Name "
-                + "does not match regular expression [A-Za-z0-9\\-_\\.]+",
-            validationResult.getMessageList().get(0).getMessage());
-
-        Field versionField = testKey.getClass().getDeclaredField("version");
-        versionField.setAccessible(true);
-        versionField.set(testKey, "Key Version");
-        AxValidationResult validationResultV = new AxValidationResult();
-        testKey.validate(validationResultV);
-        versionField.set(testKey, "0.0.1");
-        versionField.setAccessible(false);
-        assertEquals(
-            "version invalid-parameter version with value Key Version "
-                + "does not match regular expression [A-Za-z0-9.]+",
-            validationResultV.getMessageList().get(0).getMessage());
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyUseTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyUseTest.java
deleted file mode 100644
index 5346b6b21..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/AxKeyUseTest.java
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019-2020 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-
-import org.junit.Test;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKey.Compatibility;
-
-public class AxKeyUseTest {
-
-    @Test
-    public void test() {
-        assertNotNull(new AxKeyUse());
-        assertNotNull(new AxKeyUse(new AxArtifactKey()));
-        assertNotNull(new AxKeyUse(new AxReferenceKey()));
-
-        AxArtifactKey key = new AxArtifactKey("Key", "0.0.1");
-        AxKeyUse keyUse = new AxKeyUse();
-        keyUse.setKey(key);
-        assertEquals(key, keyUse.getKey());
-        assertEquals("Key:0.0.1", keyUse.getId());
-        assertEquals(key, keyUse.getKeys().get(0));
-
-        assertEquals(Compatibility.IDENTICAL, keyUse.getCompatibility(key));
-        assertTrue(keyUse.isCompatible(key));
-
-        keyUse.clean();
-        assertNotNull(keyUse);
-
-        AxValidationResult result = new AxValidationResult();
-        result = keyUse.validate(result);
-        assertNotNull(result);
-
-        assertNotEquals(0, keyUse.hashCode());
-
-        AxKeyUse clonedKeyUse = new AxKeyUse(keyUse);
-        assertEquals("AxKeyUse:(usedKey=AxArtifactKey:(name=Key,version=0.0.1))", clonedKeyUse.toString());
-
-        assertNotEquals(0, keyUse.hashCode());
-        // disabling sonar because this code tests the equals() method
-        assertEquals(keyUse, keyUse); // NOSONAR
-        assertEquals(keyUse, clonedKeyUse);
-        assertNotEquals(keyUse, (Object) "Hello");
-        assertEquals(keyUse, new AxKeyUse(key));
-
-        assertEquals(0, keyUse.compareTo(keyUse));
-        assertEquals(0, keyUse.compareTo(clonedKeyUse));
-        assertNotEquals(0, keyUse.compareTo(new AxArtifactKey()));
-        assertEquals(0, keyUse.compareTo(new AxKeyUse(key)));
-
-        AxKeyUse keyUseNull = new AxKeyUse(AxArtifactKey.getNullKey());
-        AxValidationResult resultNull = new AxValidationResult();
-        assertEquals(false, keyUseNull.validate(resultNull).isValid());
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/AxReferenceKeyTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/AxReferenceKeyTest.java
deleted file mode 100644
index 515587558..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/AxReferenceKeyTest.java
+++ /dev/null
@@ -1,177 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019-2020 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-
-import java.lang.reflect.Field;
-import org.junit.Test;
-
-
-public class AxReferenceKeyTest {
-
-    @Test
-    public void testAxReferenceKey() {
-        assertNotNull(new AxReferenceKey());
-        assertNotNull(new AxReferenceKey(new AxArtifactKey()));
-        assertNotNull(new AxReferenceKey(new AxArtifactKey(), "LocalName"));
-        assertNotNull(new AxReferenceKey(new AxReferenceKey()));
-        assertNotNull(new AxReferenceKey(new AxReferenceKey(), "LocalName"));
-        assertNotNull(new AxReferenceKey(new AxArtifactKey(), "ParentLocalName", "LocalName"));
-        assertNotNull(new AxReferenceKey("ParentKeyName", "0.0.1", "LocalName"));
-        assertNotNull(new AxReferenceKey("ParentKeyName", "0.0.1", "ParentLocalName", "LocalName"));
-        assertNotNull(new AxReferenceKey("ParentKeyName:0.0.1:ParentLocalName:LocalName"));
-        assertEquals(AxReferenceKey.getNullKey().getKey(), AxReferenceKey.getNullKey());
-        assertEquals("NULL:0.0.0:NULL:NULL", AxReferenceKey.getNullKey().getId());
-
-        AxReferenceKey testReferenceKey = new AxReferenceKey();
-        testReferenceKey.setParentArtifactKey(new AxArtifactKey("PN", "0.0.1"));
-        assertEquals("PN:0.0.1", testReferenceKey.getParentArtifactKey().getId());
-
-        testReferenceKey.setParentReferenceKey(new AxReferenceKey("PN", "0.0.1", "LN"));
-        assertEquals("PN:0.0.1:NULL:LN", testReferenceKey.getParentReferenceKey().getId());
-
-        testReferenceKey.setParentKeyName("NPKN");
-        assertEquals("NPKN", testReferenceKey.getParentKeyName());
-
-        testReferenceKey.setParentKeyVersion("0.0.1");
-        assertEquals("0.0.1", testReferenceKey.getParentKeyVersion());
-
-        testReferenceKey.setParentLocalName("NPKLN");
-        assertEquals("NPKLN", testReferenceKey.getParentLocalName());
-
-        testReferenceKey.setLocalName("NLN");
-        assertEquals("NLN", testReferenceKey.getLocalName());
-
-        assertFalse(testReferenceKey.isCompatible(AxArtifactKey.getNullKey()));
-        assertFalse(testReferenceKey.isCompatible(AxReferenceKey.getNullKey()));
-        assertTrue(testReferenceKey.isCompatible(testReferenceKey));
-
-        assertEquals(AxKey.Compatibility.DIFFERENT, testReferenceKey.getCompatibility(AxArtifactKey.getNullKey()));
-        assertEquals(AxKey.Compatibility.DIFFERENT, testReferenceKey.getCompatibility(AxReferenceKey.getNullKey()));
-        assertEquals(AxKey.Compatibility.IDENTICAL, testReferenceKey.getCompatibility(testReferenceKey));
-
-        AxValidationResult result = new AxValidationResult();
-        result = testReferenceKey.validate(result);
-        assertEquals(AxValidationResult.ValidationResult.VALID, result.getValidationResult());
-
-        testReferenceKey.clean();
-
-        AxReferenceKey clonedReferenceKey = new AxReferenceKey(testReferenceKey);
-        assertEquals("AxReferenceKey:(parentKeyName=NPKN,parentKeyVersion=0.0.1,parentLocalName=NPKLN,localName=NLN)",
-            clonedReferenceKey.toString());
-
-        assertNotEquals(0, testReferenceKey.hashCode());
-        // disabling sonar because this code tests the equals() method
-        assertEquals(testReferenceKey, testReferenceKey); // NOSONAR
-        assertEquals(testReferenceKey, clonedReferenceKey);
-        assertNotEquals(testReferenceKey, (Object) "Hello");
-        assertNotEquals(testReferenceKey, new AxReferenceKey("PKN", "0.0.2", "PLN", "LN"));
-        assertNotEquals(testReferenceKey, new AxReferenceKey("NPKN", "0.0.2", "PLN", "LN"));
-        assertNotEquals(testReferenceKey, new AxReferenceKey("NPKN", "0.0.1", "PLN", "LN"));
-        assertNotEquals(testReferenceKey, new AxReferenceKey("NPKN", "0.0.1", "NPLN", "LN"));
-        assertEquals(testReferenceKey, new AxReferenceKey("NPKN", "0.0.1", "NPKLN", "NLN"));
-
-        assertEquals(0, testReferenceKey.compareTo(testReferenceKey));
-        assertEquals(0, testReferenceKey.compareTo(clonedReferenceKey));
-        assertNotEquals(0, testReferenceKey.compareTo(new AxArtifactKey()));
-        assertNotEquals(0, testReferenceKey.compareTo(new AxReferenceKey("PKN", "0.0.2", "PLN", "LN")));
-        assertNotEquals(0, testReferenceKey.compareTo(new AxReferenceKey("NPKN", "0.0.2", "PLN", "LN")));
-        assertNotEquals(0, testReferenceKey.compareTo(new AxReferenceKey("NPKN", "0.0.1", "PLN", "LN")));
-        assertNotEquals(0, testReferenceKey.compareTo(new AxReferenceKey("NPKN", "0.0.1", "NPLN", "LN")));
-        assertEquals(0, testReferenceKey.compareTo(new AxReferenceKey("NPKN", "0.0.1", "NPKLN", "NLN")));
-
-        assertNotNull(testReferenceKey.getKeys());
-
-        assertThatThrownBy(() -> testReferenceKey.equals(null))
-            .hasMessage("comparison object may not be null");
-        assertThatThrownBy(() -> testReferenceKey.copyTo(null))
-            .hasMessage("target may not be null");
-        assertThatThrownBy(() -> testReferenceKey.copyTo(new AxArtifactKey("Key", "0.0.1")))
-            .hasMessage("org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey is not an instance of "
-                + "org.onap.policy.apex.model.basicmodel.concepts.AxReferenceKey");
-        AxReferenceKey targetRefKey = new AxReferenceKey();
-        assertEquals(testReferenceKey, testReferenceKey.copyTo(targetRefKey));
-    }
-
-    @Test
-    public void testValidation() throws IllegalArgumentException, IllegalAccessException,
-        NoSuchFieldException, SecurityException {
-        AxReferenceKey testReferenceKey = new AxReferenceKey();
-        testReferenceKey.setParentArtifactKey(new AxArtifactKey("PN", "0.0.1"));
-        assertEquals("PN:0.0.1", testReferenceKey.getParentArtifactKey().getId());
-
-        Field parentNameField = testReferenceKey.getClass().getDeclaredField("parentKeyName");
-        parentNameField.setAccessible(true);
-        parentNameField.set(testReferenceKey, "Parent Name");
-        AxValidationResult validationResult = new AxValidationResult();
-        testReferenceKey.validate(validationResult);
-        parentNameField.set(testReferenceKey, "ParentName");
-        parentNameField.setAccessible(false);
-        assertEquals(
-            "parentKeyName invalid-parameter parentKeyName with value Parent Name "
-                + "does not match regular expression [A-Za-z0-9\\-_\\.]+",
-            validationResult.getMessageList().get(0).getMessage());
-
-        Field parentVersionField = testReferenceKey.getClass().getDeclaredField("parentKeyVersion");
-        parentVersionField.setAccessible(true);
-        parentVersionField.set(testReferenceKey, "Parent Version");
-        AxValidationResult validationResultPV = new AxValidationResult();
-        testReferenceKey.validate(validationResultPV);
-        parentVersionField.set(testReferenceKey, "0.0.1");
-        parentVersionField.setAccessible(false);
-        assertEquals(
-            "parentKeyVersion invalid-parameter parentKeyVersion with value Parent Version "
-                + "does not match regular expression [A-Za-z0-9.]+",
-            validationResultPV.getMessageList().get(0).getMessage());
-
-        Field parentLocalNameField = testReferenceKey.getClass().getDeclaredField("parentLocalName");
-        parentLocalNameField.setAccessible(true);
-        parentLocalNameField.set(testReferenceKey, "Parent Local Name");
-        AxValidationResult validationResultPL = new AxValidationResult();
-        testReferenceKey.validate(validationResultPL);
-        parentLocalNameField.set(testReferenceKey, "ParentLocalName");
-        parentLocalNameField.setAccessible(false);
-        assertEquals(
-            "parentLocalName invalid-parameter parentLocalName with value "
-                + "Parent Local Name does not match regular expression [A-Za-z0-9\\-_\\.]+|^$",
-            validationResultPL.getMessageList().get(0).getMessage());
-
-        Field localNameField = testReferenceKey.getClass().getDeclaredField("localName");
-        localNameField.setAccessible(true);
-        localNameField.set(testReferenceKey, "Local Name");
-        AxValidationResult validationResultLN = new AxValidationResult();
-        testReferenceKey.validate(validationResultLN);
-        localNameField.set(testReferenceKey, "LocalName");
-        localNameField.setAccessible(false);
-        assertEquals(
-            "localName invalid-parameter localName with value Local Name "
-                + "does not match regular expression [A-Za-z0-9\\-_\\.]+|^$",
-            validationResultLN.getMessageList().get(0).getMessage());
-
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/DummyEntity.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/DummyEntity.java
deleted file mode 100644
index 2b16e89ed..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/DummyEntity.java
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020,2022 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import java.util.Arrays;
-import java.util.List;
-
-public class DummyEntity extends AxConcept {
-    private static final long serialVersionUID = -2962570563281067894L;
-
-    protected AxReferenceKey key;
-    private double doubleValue;
-
-    public DummyEntity() {
-        this.key = new AxReferenceKey();
-        this.doubleValue = 0;
-    }
-
-    public DummyEntity(Double doubleValue) {
-        this.key = new AxReferenceKey();
-        this.doubleValue = doubleValue;
-    }
-
-    public DummyEntity(AxReferenceKey key, Double doubleValue) {
-        this.key = key;
-        this.doubleValue = doubleValue;
-    }
-
-    @Override
-    public AxReferenceKey getKey() {
-        return key;
-    }
-
-    @Override
-    public List<AxKey> getKeys() {
-        return Arrays.asList((AxKey) getKey());
-    }
-
-    public void setKey(AxReferenceKey key) {
-        this.key = key;
-    }
-
-    public boolean checkSetKey() {
-        return (this.key != null);
-    }
-
-    public double getDoubleValue() {
-        return doubleValue;
-    }
-
-    public void setDoubleValue(double doubleValue) {
-        this.doubleValue = doubleValue;
-    }
-
-    @Override
-    public AxValidationResult validate(AxValidationResult result) {
-        return key.validate(result);
-    }
-
-    @Override
-    public void clean() {
-        key.clean();
-    }
-
-    @Override
-    public String toString() {
-        final StringBuilder builder = new StringBuilder();
-        builder.append("doubleValue=");
-        builder.append(doubleValue);
-        return builder.toString();
-    }
-
-    @Override
-    public AxConcept copyTo(AxConcept target) {
-        final Object copyObject = ((target == null) ? new DummyEntity() : target);
-        if (copyObject instanceof DummyEntity) {
-            final DummyEntity copy = ((DummyEntity) copyObject);
-            if (this.checkSetKey()) {
-                copy.setKey(new AxReferenceKey(key));
-            } else {
-                copy.key = null;
-            }
-            copy.doubleValue = doubleValue;
-            return copy;
-        } else {
-            return null;
-        }
-    }
-
-    @Override
-    public int hashCode() {
-        final int prime = 31;
-        int result = 1;
-        result = prime * result + ((key == null) ? 0 : key.hashCode());
-        return result;
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-        if (obj == null) {
-            return false;
-        }
-        if (this == obj) {
-            return true;
-        }
-        if (getClass() != obj.getClass()) {
-            return false;
-        }
-        DummyEntity other = (DummyEntity) obj;
-        if (key == null) {
-            if (other.key != null) {
-                return false;
-            }
-        } else if (!key.equals(other.key)) {
-            return false;
-        }
-        if (doubleValue != other.doubleValue) {
-            return false;
-        }
-        return true;
-    }
-
-    @Override
-    public int compareTo(AxConcept otherObj) {
-        if (otherObj == null) {
-            return -1;
-        }
-        if (this == otherObj) {
-            return 0;
-        }
-        DummyEntity other = (DummyEntity) otherObj;
-        if (key == null) {
-            if (other.key != null) {
-                return 1;
-            }
-        } else if (!key.equals(other.key)) {
-            return key.compareTo(other.key);
-        }
-        if (doubleValue != other.doubleValue) {
-            return Double.valueOf(doubleValue).compareTo(other.doubleValue);
-        }
-
-        return 0;
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/ExceptionsTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/ExceptionsTest.java
deleted file mode 100644
index ff87bc2d0..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/ExceptionsTest.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * 
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-
-import java.io.IOException;
-import org.junit.Test;
-
-
-public class ExceptionsTest {
-
-    @Test
-    public void test() {
-        assertNotNull(new ApexException("Message"));
-        assertNotNull(new ApexException("Message", new AxArtifactKey()));
-        assertNotNull(new ApexException("Message", new IOException()));
-        assertNotNull(new ApexException("Message", new IOException(), new AxArtifactKey()));
-
-        AxArtifactKey key = new AxArtifactKey();
-        ApexException ae = new ApexException("Message", new IOException("IO exception message"), key);
-        assertEquals("Message\ncaused by: Message\ncaused by: IO exception message", ae.getCascadedMessage());
-        assertEquals(key, ae.getObject());
-
-        assertNotNull(new ApexRuntimeException("Message"));
-        assertNotNull(new ApexRuntimeException("Message", new AxArtifactKey()));
-        assertNotNull(new ApexRuntimeException("Message", new IOException()));
-        assertNotNull(new ApexRuntimeException("Message", new IOException(), new AxArtifactKey()));
-
-        AxArtifactKey rkey = new AxArtifactKey();
-        ApexRuntimeException re = new ApexRuntimeException("Runtime Message",
-                        new IOException("IO runtime exception message"), rkey);
-        assertEquals("Runtime Message\ncaused by: Runtime Message\ncaused by: IO runtime exception message",
-                        re.getCascadedMessage());
-        assertEquals(key, re.getObject());
-
-        assertNotNull(new ApexConceptException("Message"));
-        assertNotNull(new ApexConceptException("Message", new IOException()));
-
-        AxArtifactKey ckey = new AxArtifactKey();
-        ApexException ace = new ApexException("Concept Message", new IOException("IO concept exception message"), ckey);
-        assertEquals("Concept Message\ncaused by: Concept Message\ncaused by: IO concept exception message",
-                        ace.getCascadedMessage());
-        assertEquals(ckey, ace.getObject());
-    }
-
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/ValidationTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/ValidationTest.java
deleted file mode 100644
index 21ae9b65c..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/concepts/ValidationTest.java
+++ /dev/null
@@ -1,90 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * 
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.concepts;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-
-import org.junit.Test;
-import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult.ValidationResult;
-
-public class ValidationTest {
-
-    @Test
-    public void test() {
-        AxValidationResult result = new AxValidationResult();
-        AxReferenceKey refKey = new AxReferenceKey("PK", "0.0.1", "PLN", "LN");
-        result = refKey.validate(result);
-
-        assertNotNull(result);
-        assertTrue(result.isOk());
-        assertTrue(result.isValid());
-        assertEquals(AxValidationResult.ValidationResult.VALID, result.getValidationResult());
-        assertNotNull(result.getMessageList());
-
-        AxValidationMessage vmess0 = new AxValidationMessage(AxArtifactKey.getNullKey(), AxArtifactKey.class,
-                        ValidationResult.VALID, "Some message");
-        result.addValidationMessage(vmess0);
-
-        assertTrue(result.isOk());
-        assertTrue(result.isValid());
-        assertEquals(AxValidationResult.ValidationResult.VALID, result.getValidationResult());
-        assertNotNull(result.getMessageList());
-        assertNotNull("hello", result.toString());
-
-        AxValidationMessage vmess1 = new AxValidationMessage(AxArtifactKey.getNullKey(), AxArtifactKey.class,
-                        ValidationResult.OBSERVATION, "Some message");
-        result.addValidationMessage(vmess1);
-
-        assertTrue(result.isOk());
-        assertTrue(result.isValid());
-        assertEquals(AxValidationResult.ValidationResult.OBSERVATION, result.getValidationResult());
-        assertNotNull(result.getMessageList());
-        assertNotNull("hello", result.toString());
-
-        AxValidationMessage vmess2 = new AxValidationMessage(AxArtifactKey.getNullKey(), AxArtifactKey.class,
-                        ValidationResult.WARNING, "Some message");
-        result.addValidationMessage(vmess2);
-
-        assertFalse(result.isOk());
-        assertTrue(result.isValid());
-        assertEquals(AxValidationResult.ValidationResult.WARNING, result.getValidationResult());
-        assertNotNull(result.getMessageList());
-        assertNotNull("hello", result.toString());
-
-        AxValidationMessage vmess3 = new AxValidationMessage(AxArtifactKey.getNullKey(), AxArtifactKey.class,
-                        ValidationResult.INVALID, "Some message");
-        result.addValidationMessage(vmess3);
-
-        assertFalse(result.isOk());
-        assertFalse(result.isValid());
-        assertEquals(AxValidationResult.ValidationResult.INVALID, result.getValidationResult());
-        assertNotNull(result.getMessageList());
-        assertNotNull("hello", result.toString());
-
-        assertEquals(AxValidationResult.ValidationResult.INVALID, result.getMessageList().get(3).getValidationResult());
-        assertEquals("Some message", result.getMessageList().get(3).getMessage());
-        assertEquals(AxArtifactKey.class.getName(), result.getMessageList().get(3).getObservedClass());
-        assertEquals(AxArtifactKey.getNullKey(), result.getMessageList().get(3).getObservedKey());
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelExceptionTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelExceptionTest.java
deleted file mode 100644
index 2571ea65b..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelExceptionTest.java
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * 
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-
-import java.io.IOException;
-import org.junit.Test;
-
-public class ApexModelExceptionTest {
-
-    @Test
-    public void test() {
-        assertNotNull(new ApexModelException("Message"));
-        assertNotNull(new ApexModelException("Message", new IOException()));
-
-        ApexModelException ame = new ApexModelException("Message", new IOException("IO exception message"));
-        assertEquals("Message\ncaused by: Message\ncaused by: IO exception message", ame.getCascadedMessage());
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelFileWriterTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelFileWriterTest.java
deleted file mode 100644
index 0f8f956ab..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelFileWriterTest.java
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020,2022 Nordix Foundation
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertTrue;
-
-import java.io.File;
-import java.io.IOException;
-import org.junit.Test;
-import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-
-public class ApexModelFileWriterTest {
-
-    @Test
-    public void testModelFileWriter() throws IOException, ApexException {
-        ApexModelFileWriter<AxModel> modelFileWriter = new ApexModelFileWriter<>(true);
-
-        modelFileWriter.setValidate(true);
-        assertTrue(modelFileWriter.isValidate());
-
-        File tempFile = File.createTempFile("ApexFileWriterTest", "test");
-        File tempDir = tempFile.getParentFile();
-
-        File jsonTempFile = new File(tempDir.getAbsolutePath() + "/aaa/ApexFileWriterTest.json");
-
-        AxModel model = new DummyApexBasicModelCreator().getModel();
-
-        modelFileWriter.apexModelWriteJsonFile(model, AxModel.class, jsonTempFile.getAbsolutePath());
-
-        jsonTempFile.delete();
-        new File(tempDir.getAbsolutePath() + "/aaa").delete();
-        new File(tempDir.getAbsolutePath() + "/ccc").delete();
-
-        jsonTempFile = new File(tempDir.getAbsolutePath() + "/aaa/bbb/ApexFileWriterTest.json");
-
-        modelFileWriter.apexModelWriteJsonFile(model, AxModel.class, jsonTempFile.getAbsolutePath());
-
-        jsonTempFile.delete();
-
-        new File(tempDir.getAbsolutePath() + "/aaa/bbb").delete();
-        new File(tempDir.getAbsolutePath() + "/aaa").delete();
-        new File(tempDir.getAbsolutePath() + "/ccc/ddd").delete();
-        new File(tempDir.getAbsolutePath() + "/ccc").delete();
-
-        File dirA = new File(tempDir.getAbsolutePath() + "/aaa");
-        // File dirB = new File(tempDir.getAbsolutePath() + "/aaa/bbb");
-        dirA.createNewFile();
-        // dirB.createNewFile();
-
-        jsonTempFile = new File(tempDir.getAbsolutePath() + "/aaa/bbb/ApexFileWriterTest.json");
-        final File jsonTempFile01 = jsonTempFile;
-        assertThatThrownBy(
-            () -> modelFileWriter.apexModelWriteJsonFile(model, AxModel.class, jsonTempFile01.getAbsolutePath()))
-                .hasMessageContaining("could not create directory");
-
-        dirA.delete();
-
-        dirA = new File(tempDir.getAbsolutePath() + "/aaa");
-        File fileB = new File(tempDir.getAbsolutePath() + "/aaa/bbb");
-        dirA.mkdir();
-        fileB.createNewFile();
-
-        jsonTempFile = new File(tempDir.getAbsolutePath() + "/aaa/bbb/ApexFileWriterTest.json");
-
-        File jsonTempFile02 = jsonTempFile;
-        assertThatThrownBy(
-            () -> modelFileWriter.apexModelWriteJsonFile(model, AxModel.class, jsonTempFile02.getAbsolutePath()))
-                .hasMessageContaining("error processing file");
-
-        fileB.delete();
-        dirA.delete();
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelReaderTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelReaderTest.java
deleted file mode 100644
index 1152771ea..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelReaderTest.java
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020,2022 Nordix Foundation
- *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
-import java.io.BufferedReader;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileReader;
-import java.io.IOException;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.runners.MockitoJUnitRunner;
-import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-
-@RunWith(MockitoJUnitRunner.class)
-public class ApexModelReaderTest {
-    @Test
-    public void testModelReader() throws IOException, ApexException {
-        AxModel model = new DummyApexBasicModelCreator().getModel();
-        AxModel invalidModel = new DummyApexBasicModelCreator().getInvalidModel();
-
-        ApexModelWriter<AxModel> modelWriter = new ApexModelWriter<AxModel>(AxModel.class);
-        modelWriter.setValidate(true);
-
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        modelWriter.write(model, baos);
-
-        ByteArrayOutputStream baosInvalid = new ByteArrayOutputStream();
-        modelWriter.setValidate(false);
-        modelWriter.write(invalidModel, baosInvalid);
-
-        ApexModelReader<AxModel> modelReader = new ApexModelReader<AxModel>(AxModel.class, true);
-
-        modelReader.setValidate(true);
-        assertTrue(modelReader.isValidate());
-
-        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
-        AxModel readModel = modelReader.read(bais);
-        assertEquals(model, readModel);
-
-        ByteArrayInputStream baisInvalid = new ByteArrayInputStream(baosInvalid.toByteArray());
-        assertThatThrownBy(() -> modelReader.read(baisInvalid))
-            .hasMessageStartingWith("Apex concept validation failed");
-        modelReader.setValidate(false);
-        assertFalse(modelReader.isValidate());
-
-        ByteArrayInputStream bais2 = new ByteArrayInputStream(baos.toByteArray());
-        AxModel readModel2 = modelReader.read(bais2);
-        assertEquals(model, readModel2);
-
-        ByteArrayOutputStream baosJson = new ByteArrayOutputStream();
-        modelWriter.write(model, baosJson);
-
-        ByteArrayInputStream baisJson = new ByteArrayInputStream(baosJson.toByteArray());
-        AxModel readModelJson = modelReader.read(baisJson);
-        assertEquals(model, readModelJson);
-
-        String dummyString = "SomeDummyText";
-        ByteArrayInputStream baisDummy = new ByteArrayInputStream(dummyString.getBytes());
-        assertThatThrownBy(() -> modelReader.read(baisDummy))
-            .hasMessageContaining("Unable to unmarshal Apex concept");
-        ByteArrayInputStream nullBais = null;
-        assertThatThrownBy(() -> modelReader.read(nullBais))
-            .hasMessage("concept stream may not be null");
-
-        assertThatThrownBy(() -> {
-            FileInputStream fis = new FileInputStream(new File("somewhere/over/the/rainbow"));
-            modelReader.read(fis);
-        }).hasMessageContaining("rainbow");
-        final File tempFile = File.createTempFile("Apex", "Dummy");
-        BufferedReader br = new BufferedReader(new FileReader(tempFile));
-        br.close();
-        assertThatThrownBy(() -> modelReader.read(br))
-             .hasMessage("Unable to read Apex concept ");
-        tempFile.delete();
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelSaverTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelSaverTest.java
deleted file mode 100644
index c95106aa8..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelSaverTest.java
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020,2022 Nordix Foundation
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import static org.junit.Assert.assertNotNull;
-
-import java.io.File;
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import org.junit.Test;
-import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-
-public class ApexModelSaverTest {
-
-    @Test
-    public void testModelSaver() throws IOException, ApexException {
-        AxModel model = new DummyApexBasicModelCreator().getModel();
-        assertNotNull(model);
-
-        Path tempPath = Files.createTempDirectory("ApexTest");
-        assertNotNull(tempPath);
-
-        ApexModelSaver<AxModel> modelSaver =
-            new ApexModelSaver<AxModel>(AxModel.class, model, tempPath.toAbsolutePath().toString());
-        assertNotNull(modelSaver);
-        modelSaver.apexModelWriteJson();
-
-        Files.deleteIfExists(new File(tempPath.toAbsolutePath() + "/BasicModel.json").toPath());
-        Files.deleteIfExists(tempPath);
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelStringWriterTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelStringWriterTest.java
deleted file mode 100644
index 13e72d3e2..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelStringWriterTest.java
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020,2022 Nordix Foundation
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-
-import java.io.IOException;
-import org.junit.Test;
-import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKeyInfo;
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-
-public class ApexModelStringWriterTest {
-
-    @Test
-    public void testModelStringWriter() throws IOException, ApexException {
-        AxModel basicModel = new DummyApexBasicModelCreator().getModel();
-        assertNotNull(basicModel);
-
-        AxKeyInfo intKeyInfo = basicModel.getKeyInformation().get("IntegerKIKey");
-        AxKeyInfo floatKeyInfo = basicModel.getKeyInformation().get("FloatKIKey");
-
-        // Ensure marshalling is OK
-        ApexModelStringWriter<AxKeyInfo> stringWriter = new ApexModelStringWriter<AxKeyInfo>(true);
-
-        assertNotNull(stringWriter.writeJsonString(intKeyInfo, AxKeyInfo.class));
-        assertNotNull(stringWriter.writeJsonString(floatKeyInfo, AxKeyInfo.class));
-
-        assertNotNull(stringWriter.writeString(intKeyInfo, AxKeyInfo.class));
-        assertNotNull(stringWriter.writeString(floatKeyInfo, AxKeyInfo.class));
-
-        assertNotNull(stringWriter.writeString(intKeyInfo, AxKeyInfo.class));
-        assertNotNull(stringWriter.writeString(floatKeyInfo, AxKeyInfo.class));
-
-        assertThatThrownBy(() -> stringWriter.writeString(null, AxKeyInfo.class)).hasMessage("concept may not be null");
-        assertThatThrownBy(() -> stringWriter.writeString(null, AxKeyInfo.class)).hasMessage("concept may not be null");
-        assertThatThrownBy(() -> stringWriter.writeJsonString(null, AxKeyInfo.class))
-            .hasMessage("error writing JSON string");
-        stringWriter.setValidate(true);
-        assertTrue(stringWriter.isValidate());
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelWriterTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelWriterTest.java
deleted file mode 100644
index 063855976..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/ApexModelWriterTest.java
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020,2022 Nordix Foundation
- *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertTrue;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.runners.MockitoJUnitRunner;
-import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-
-@RunWith(MockitoJUnitRunner.class)
-public class ApexModelWriterTest {
-    @Test
-    public void testModelWriter() throws IOException, ApexException {
-        ApexModelWriter<AxModel> modelWriter = new ApexModelWriter<AxModel>(AxModel.class);
-
-        modelWriter.setValidate(true);
-        assertTrue(modelWriter.isValidate());
-
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-
-        AxModel model = new DummyApexBasicModelCreator().getModel();
-
-        modelWriter.write(model, baos);
-
-        modelWriter.setValidate(false);
-        modelWriter.write(model, baos);
-
-        modelWriter.setValidate(true);
-        model.getKeyInformation().getKeyInfoMap().clear();
-        assertThatThrownBy(() -> modelWriter.write(model, baos))
-            .hasMessageContaining("Apex concept (BasicModel:0.0.1) validation failed");
-        model.getKeyInformation().generateKeyInfo(model);
-
-        assertThatThrownBy(() -> modelWriter.write(null, baos))
-            .hasMessage("concept may not be null");
-
-        ByteArrayOutputStream nullBaos = null;
-        assertThatThrownBy(() -> modelWriter.write(model, nullBaos))
-            .hasMessage("concept stream may not be null");
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/DummyApexBasicModelCreator.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/DummyApexBasicModelCreator.java
deleted file mode 100644
index 353722b2d..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/DummyApexBasicModelCreator.java
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * 
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import java.util.UUID;
-import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKeyInfo;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKeyInformation;
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-import org.onap.policy.apex.model.basicmodel.test.TestApexModelCreator;
-
-public class DummyApexBasicModelCreator implements TestApexModelCreator<AxModel> {
-
-    @Override
-    public AxModel getModel() {
-        AxModel basicModel = new AxModel();
-
-        basicModel.setKey(new AxArtifactKey("BasicModel", "0.0.1"));
-        basicModel.setKeyInformation(new AxKeyInformation(new AxArtifactKey("KeyInfoMapKey", "0.0.1")));
-
-        basicModel.getKeyInformation().getKeyInfoMap().put(basicModel.getKey(), new AxKeyInfo(basicModel.getKey()));
-        basicModel.getKeyInformation().getKeyInfoMap().put(basicModel.getKeyInformation().getKey(),
-                        new AxKeyInfo(basicModel.getKeyInformation().getKey()));
-
-        AxKeyInfo intKeyInfo = new AxKeyInfo(new AxArtifactKey("IntegerKIKey", "0.0.1"), UUID.randomUUID(),
-                        "IntegerKIKey description");
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKeyInfo.getKey(), new AxKeyInfo(intKeyInfo.getKey()));
-
-        AxKeyInfo floatKeyInfo = new AxKeyInfo(new AxArtifactKey("FloatKIKey", "0.0.1"), UUID.randomUUID(),
-                        "FloatKIKey description");
-        basicModel.getKeyInformation().getKeyInfoMap().put(floatKeyInfo.getKey(), new AxKeyInfo(floatKeyInfo.getKey()));
-
-        return basicModel;
-    }
-
-    @Override
-    public final AxModel getMalstructuredModel() {
-        AxModel basicModel = new AxModel();
-
-        // Note: No Data types
-        basicModel.setKey(new AxArtifactKey("BasicModelKey", "0.0.1"));
-        basicModel.setKeyInformation(new AxKeyInformation(new AxArtifactKey("KeyInfoMapKey", "0.0.1")));
-
-        basicModel.getKeyInformation().getKeyInfoMap().put(basicModel.getKey(), new AxKeyInfo(basicModel.getKey(),
-                        UUID.fromString("00000000-0000-0000-0000-000000000000"),
-                        "\nbasic model description\nThis is a multi line description\nwith another line of text."));
-
-        return basicModel;
-    }
-
-    @Override
-    public final AxModel getObservationModel() {
-        AxModel basicModel = getModel();
-
-        // Set key information as blank
-        basicModel.getKeyInformation().getKeyInfoMap().get(basicModel.getKey()).setDescription("");
-
-        return basicModel;
-    }
-
-    @Override
-    public final AxModel getWarningModel() {
-        AxModel basicModel = getModel();
-
-        // Add unreferenced key information
-        AxKeyInfo unreferencedKeyInfo0 = new AxKeyInfo(new AxArtifactKey("Unref0", "0.0.1"));
-        AxKeyInfo unreferencedKeyInfo1 = new AxKeyInfo(new AxArtifactKey("Unref1", "0.0.1"));
-
-        basicModel.getKeyInformation().getKeyInfoMap().put(unreferencedKeyInfo0.getKey(), unreferencedKeyInfo0);
-        basicModel.getKeyInformation().getKeyInfoMap().put(unreferencedKeyInfo1.getKey(), unreferencedKeyInfo1);
-
-        return basicModel;
-    }
-
-    @Override
-    public final AxModel getInvalidModel() {
-        AxModel basicModel = new AxModel();
-
-        basicModel.setKey(new AxArtifactKey("BasicModelKey", "0.0.1"));
-        basicModel.setKeyInformation(new AxKeyInformation(new AxArtifactKey("KeyInfoMapKey", "0.0.1")));
-
-        basicModel.getKeyInformation().getKeyInfoMap().put(basicModel.getKey(), new AxKeyInfo(basicModel.getKey(),
-                        UUID.fromString("00000000-0000-0000-0000-000000000000"),
-                        "nbasic model description\nThis is a multi line description\nwith another line of text."));
-        basicModel.getKeyInformation().getKeyInfoMap().put(basicModel.getKeyInformation().getKey(),
-                        new AxKeyInfo(basicModel.getKeyInformation().getKey(),
-                                        UUID.fromString("00000000-0000-0000-0000-000000000000"), ""));
-
-        return basicModel;
-    }
-
-    /**
-     * Get the model with its references.
-     * @return the model with its references
-     */
-    public final DummyAxModelWithReferences getModelWithReferences() {
-        AxModel model = getModel();
-
-        DummyAxModelWithReferences modelWithReferences = new DummyAxModelWithReferences(model.getKey());
-        modelWithReferences.setKeyInformation(model.getKeyInformation());
-        modelWithReferences.setReferenceKeyList();
-
-        return modelWithReferences;
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/DummyAxModelWithReferences.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/DummyAxModelWithReferences.java
deleted file mode 100644
index 887755d03..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/DummyAxModelWithReferences.java
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * 
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import java.util.ArrayList;
-import java.util.List;
-import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKey;
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-import org.onap.policy.apex.model.basicmodel.concepts.AxReferenceKey;
-
-public class DummyAxModelWithReferences extends AxModel {
-    private static final long serialVersionUID = -8194956638511120008L;
-
-    private List<AxKey> extrakeyList = new ArrayList<>();
-    
-    public DummyAxModelWithReferences(final AxArtifactKey key) {
-        super(key);
-    }
-    
-    @Override
-    public List<AxKey> getKeys() {
-        List<AxKey> keys = super.getKeys();
-        keys.addAll(extrakeyList);
-
-        return keys;
-    }
-
-    public List<AxKey> getExtrakeyList() {
-        return extrakeyList;
-    }
-
-    /**
-     * Set the reference key list.
-     */
-    public void setReferenceKeyList() {
-        List<AxKey> keys = super.getKeys();
-        
-        for (AxKey key: keys) {
-            AxArtifactKey akey = (AxArtifactKey) key;
-            AxReferenceKey keyRef = new AxReferenceKey(akey, akey.getName());
-            extrakeyList.add(keyRef);
-        }
-    }
-    
-    public void addKey(final AxKey akey) {
-        extrakeyList.add(akey);
-    }
-    
-    public void removeKey(final AxKey akey) {
-        extrakeyList.remove(akey);
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportApexBasicModelConceptsTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportApexBasicModelConceptsTest.java
deleted file mode 100644
index 905a27f38..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportApexBasicModelConceptsTest.java
+++ /dev/null
@@ -1,294 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019-2021 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-
-import java.util.List;
-import java.util.Set;
-import org.junit.Before;
-import org.junit.Test;
-import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKey;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKeyInfo;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKeyInformation;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKeyUse;
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-import org.onap.policy.apex.model.basicmodel.concepts.AxReferenceKey;
-import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult;
-import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult.ValidationResult;
-import org.onap.policy.apex.model.basicmodel.service.ModelService;
-import org.onap.policy.apex.model.basicmodel.test.TestApexModel;
-
-public class SupportApexBasicModelConceptsTest {
-    TestApexModel<AxModel> testApexModel;
-
-    @Before
-    public void setup() throws Exception {
-        testApexModel = new TestApexModel<AxModel>(AxModel.class, new DummyApexBasicModelCreator());
-    }
-
-    @Test
-    public void testModelConcepts() {
-        final AxModel model = testApexModel.getModel();
-        assertNotNull(model);
-        model.clean();
-        assertNotNull(model);
-
-        AxValidationResult result = new AxValidationResult();
-        result = model.validate(result);
-        assertEquals(ValidationResult.WARNING, result.getValidationResult());
-
-        model.register();
-        assertEquals(model.getKeyInformation(), ModelService.getModel(AxKeyInformation.class));
-
-        final AxModel clonedModel = new AxModel(model);
-        assertTrue(clonedModel.toString().startsWith("AxModel:(key=AxArtifactKey:(name=BasicModel"));
-
-        assertNotEquals(0, model.hashCode());
-
-        // disabling sonar because this code tests the equals() method
-        assertEquals(model, model); // NOSONAR
-        assertEquals(model, clonedModel);
-        assertNotNull(model);
-        assertNotEquals(model, (Object) "Hello");
-        clonedModel.getKey().setVersion("0.0.2");
-        assertNotEquals(model, clonedModel);
-        clonedModel.getKey().setVersion("0.0.1");
-
-        assertEquals(0, model.compareTo(model));
-        assertNotEquals(0, model.compareTo(null));
-        assertNotEquals(0, model.compareTo(new AxReferenceKey()));
-        assertEquals(0, model.compareTo(clonedModel));
-        clonedModel.getKey().setVersion("0.0.2");
-        assertNotEquals(0, model.compareTo(clonedModel));
-        clonedModel.getKey().setVersion("0.0.1");
-
-        assertNotNull(model.getKeys());
-
-        model.getKeyInformation().generateKeyInfo(model);
-        assertNotNull(model.getKeyInformation());
-
-    }
-
-    @Test
-    public void testKeyInformation() {
-
-        final AxModel model = testApexModel.getModel();
-        final AxKeyInformation keyI = model.getKeyInformation();
-        final AxKeyInformation clonedKeyI = new AxKeyInformation(keyI);
-
-        assertNotNull(keyI);
-        assertNotEquals(keyI, (Object) new AxArtifactKey());
-        assertEquals(keyI, clonedKeyI);
-
-        clonedKeyI.setKey(new AxArtifactKey());
-        assertNotEquals(keyI, clonedKeyI);
-        clonedKeyI.setKey(keyI.getKey());
-
-        assertEquals(0, keyI.compareTo(keyI));
-        assertEquals(0, keyI.compareTo(clonedKeyI));
-        assertNotEquals(0, keyI.compareTo(null));
-        assertNotEquals(0, keyI.compareTo(new AxArtifactKey()));
-
-        clonedKeyI.setKey(new AxArtifactKey());
-        assertNotEquals(0, keyI.compareTo(clonedKeyI));
-        clonedKeyI.setKey(keyI.getKey());
-        assertEquals(0, keyI.compareTo(clonedKeyI));
-
-        clonedKeyI.getKeyInfoMap().clear();
-        assertNotEquals(0, keyI.compareTo(clonedKeyI));
-
-        AxKeyInfo keyInfo = keyI.get("BasicModel");
-        assertNotNull(keyInfo);
-
-        keyInfo = keyI.get(new AxArtifactKey("BasicModel", "0.0.1"));
-        assertNotNull(keyInfo);
-
-        Set<AxKeyInfo> keyInfoSet = keyI.getAll("BasicModel");
-        assertNotNull(keyInfoSet);
-
-        keyInfoSet = keyI.getAll("BasicModel", "0..0.1");
-        assertNotNull(keyInfoSet);
-
-        List<AxKey> keys = model.getKeys();
-        assertNotEquals(0, keys.size());
-
-        keys = keyI.getKeys();
-        assertNotEquals(0, keys.size());
-
-        model.getKeyInformation().generateKeyInfo(model);
-        assertNotNull(model.getKeyInformation());
-        model.getKeyInformation().getKeyInfoMap().clear();
-        model.getKeyInformation().generateKeyInfo(model);
-        assertNotNull(model.getKeyInformation());
-    }
-
-    @Test
-    public void testClonedKey() {
-        final AxModel model = testApexModel.getModel();
-        final AxKeyInformation keyI = model.getKeyInformation();
-        final AxKeyInformation clonedKeyI = new AxKeyInformation(keyI);
-        AxValidationResult result = new AxValidationResult();
-
-        clonedKeyI.setKey(AxArtifactKey.getNullKey());
-        result = new AxValidationResult();
-        result = clonedKeyI.validate(result);
-        assertEquals(ValidationResult.INVALID, result.getValidationResult());
-        clonedKeyI.setKey(keyI.getKey());
-
-        clonedKeyI.getKeyInfoMap().clear();
-        result = new AxValidationResult();
-        result = clonedKeyI.validate(result);
-        assertEquals(ValidationResult.INVALID, result.getValidationResult());
-        clonedKeyI.generateKeyInfo(model);
-
-        result = new AxValidationResult();
-        result = clonedKeyI.validate(result);
-        assertEquals(ValidationResult.VALID, result.getValidationResult());
-
-        clonedKeyI.getKeyInfoMap().put(AxArtifactKey.getNullKey(), null);
-        result = new AxValidationResult();
-        result = clonedKeyI.validate(result);
-        assertEquals(ValidationResult.INVALID, result.getValidationResult());
-        clonedKeyI.getKeyInfoMap().clear();
-        clonedKeyI.generateKeyInfo(model);
-
-        result = new AxValidationResult();
-        result = clonedKeyI.validate(result);
-        assertEquals(ValidationResult.VALID, result.getValidationResult());
-
-        clonedKeyI.getKeyInfoMap().put(new AxArtifactKey("SomeKey", "0.0.1"), null);
-        result = new AxValidationResult();
-        result = clonedKeyI.validate(result);
-        assertEquals(ValidationResult.INVALID, result.getValidationResult());
-        clonedKeyI.getKeyInfoMap().clear();
-        clonedKeyI.generateKeyInfo(model);
-
-        result = new AxValidationResult();
-        result = clonedKeyI.validate(result);
-        assertEquals(ValidationResult.VALID, result.getValidationResult());
-
-        final AxKeyInfo mk = clonedKeyI.get(new AxArtifactKey("BasicModel", "0.0.1"));
-        assertNotNull(mk);
-        mk.setKey(AxArtifactKey.getNullKey());
-        result = new AxValidationResult();
-        result = clonedKeyI.validate(result);
-        assertEquals(ValidationResult.INVALID, result.getValidationResult());
-        clonedKeyI.getKeyInfoMap().clear();
-        clonedKeyI.generateKeyInfo(model);
-
-        result = new AxValidationResult();
-        result = clonedKeyI.validate(result);
-        assertEquals(ValidationResult.VALID, result.getValidationResult());
-
-        final AxModel clonedModel = new AxModel(model);
-        clonedModel.setKey(AxArtifactKey.getNullKey());
-        result = new AxValidationResult();
-        result = clonedModel.validate(result);
-        assertEquals(ValidationResult.INVALID, result.getValidationResult());
-
-        clonedModel.setKey(model.getKey());
-        result = new AxValidationResult();
-        result = clonedKeyI.validate(result);
-        assertEquals(ValidationResult.VALID, result.getValidationResult());
-    }
-
-    @Test
-    public void testModelConceptsWithReferences() {
-        final DummyAxModelWithReferences mwr = new DummyApexBasicModelCreator().getModelWithReferences();
-        assertNotNull(mwr);
-        mwr.getKeyInformation().getKeyInfoMap().clear();
-        mwr.getKeyInformation().generateKeyInfo(mwr);
-
-        AxValidationResult result = new AxValidationResult();
-        result = mwr.validate(result);
-        assertEquals(ValidationResult.VALID, result.getValidationResult());
-
-        // Duplicate key error
-        mwr.addKey(mwr.getKey());
-        result = new AxValidationResult();
-        result = mwr.validate(result);
-        assertEquals(ValidationResult.INVALID, result.getValidationResult());
-        mwr.removeKey(mwr.getKey());
-
-        result = new AxValidationResult();
-        result = mwr.validate(result);
-        assertEquals(ValidationResult.VALID, result.getValidationResult());
-
-        // Null Reference Key
-        mwr.addKey(AxReferenceKey.getNullKey());
-        result = new AxValidationResult();
-        result = mwr.validate(result);
-        assertEquals(ValidationResult.INVALID, result.getValidationResult());
-        mwr.removeKey(AxReferenceKey.getNullKey());
-
-        result = new AxValidationResult();
-        result = mwr.validate(result);
-        assertEquals(ValidationResult.VALID, result.getValidationResult());
-
-        // Duplicate Reference Key
-        final AxReferenceKey rKey = new AxReferenceKey(mwr.getKey(), "LocalName");
-        mwr.addKey(rKey);
-        mwr.addKey(rKey);
-        result = new AxValidationResult();
-        result = mwr.validate(result);
-        assertEquals(ValidationResult.INVALID, result.getValidationResult());
-        mwr.removeKey(rKey);
-        mwr.removeKey(rKey);
-
-        result = new AxValidationResult();
-        result = mwr.validate(result);
-        assertEquals(ValidationResult.VALID, result.getValidationResult());
-
-        // Key Use is legal
-        final AxKeyUse keyU = new AxKeyUse(mwr.getKey());
-        mwr.addKey(keyU);
-        result = new AxValidationResult();
-        result = mwr.validate(result);
-        assertEquals(ValidationResult.VALID, result.getValidationResult());
-        mwr.removeKey(keyU);
-
-        // Key Use on bad artifact key
-        final AxKeyUse keyBadUsage = new AxKeyUse(new AxArtifactKey("SomeKey", "0.0.1"));
-        mwr.addKey(keyBadUsage);
-        result = new AxValidationResult();
-        result = mwr.validate(result);
-        assertEquals(ValidationResult.INVALID, result.getValidationResult());
-        mwr.removeKey(keyBadUsage);
-
-        // Key Use on bad reference key
-        final AxKeyUse keyBadReferenceUsage = new AxKeyUse(new AxReferenceKey("SomeKey", "0.0.1", "Local"));
-        mwr.addKey(keyBadReferenceUsage);
-        result = new AxValidationResult();
-        result = mwr.validate(result);
-        assertEquals(ValidationResult.INVALID, result.getValidationResult());
-        mwr.removeKey(keyBadReferenceUsage);
-
-        result = new AxValidationResult();
-        result = mwr.validate(result);
-        assertEquals(ValidationResult.VALID, result.getValidationResult());
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportApexBasicModelTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportApexBasicModelTest.java
deleted file mode 100644
index 68f755886..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportApexBasicModelTest.java
+++ /dev/null
@@ -1,116 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020-2022 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertEquals;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult;
-import org.onap.policy.apex.model.basicmodel.test.TestApexModel;
-
-public class SupportApexBasicModelTest {
-    // As there are no real concepts in a basic model, this is as near to a valid model as we can get
-    private static final String VALID_MODEL_STRING = "\n" + "***warnings issued during validation of model***\n"
-                    + "AxArtifactKey:(name=FloatKIKey,version=0.0.1):org.onap.policy.apex.model.basicmodel.concepts"
-                    + ".AxModel:WARNING:key not found for key information entry\n"
-                    + "AxArtifactKey:(name=IntegerKIKey,version=0.0.1):org.onap.policy.apex.model.basicmodel.concepts"
-                    + ".AxModel:WARNING:key not found for key information entry\n" + "********************************";
-
-    private static final String WARNING_MODEL_STRING = "\n" + "***warnings issued during validation of model***\n"
-                    + "AxArtifactKey:(name=FloatKIKey,version=0.0.1):org.onap.policy.apex.model.basicmodel.concepts"
-                    + ".AxModel:WARNING:key not found for key information entry\n"
-                    + "AxArtifactKey:(name=IntegerKIKey,version=0.0.1):org.onap.policy.apex.model.basicmodel.concepts"
-                    + ".AxModel:WARNING:key not found for key information entry\n"
-                    + "AxArtifactKey:(name=Unref0,version=0.0.1):org.onap.policy.apex.model.basicmodel.concepts"
-                    + ".AxModel:WARNING:key not found for key information entry\n"
-                    + "AxArtifactKey:(name=Unref1,version=0.0.1):org.onap.policy.apex.model.basicmodel.concepts"
-                    + ".AxModel:WARNING:key not found for key information entry\n" + "********************************";
-
-    private static final String INVALID_MODEL_STRING = "\n" + "***validation of model failed***\n"
-                    + "AxArtifactKey:(name=BasicModelKey,version=0.0.1):org.onap.policy.apex.model.basicmodel.concepts."
-                    + "AxKeyInfo:WARNING:UUID is a zero UUID: 00000000-0000-0000-0000-000000000000\n"
-                    + "AxArtifactKey:(name=KeyInfoMapKey,version=0.0.1):org.onap.policy.apex.model.basicmodel.concepts."
-                    + "AxKeyInfo:OBSERVATION:description is blank\n"
-                    + "AxArtifactKey:(name=KeyInfoMapKey,version=0.0.1):org.onap.policy.apex.model.basicmodel.concepts."
-                    + "AxKeyInfo:WARNING:UUID is a zero UUID: 00000000-0000-0000-0000-000000000000\n"
-                    + "AxArtifactKey:(name=KeyInfoMapKey,version=0.0.1):org.onap.policy.apex.model.basicmodel.concepts."
-                    + "AxKeyInformation:INVALID:duplicate UUID found on keyInfoMap entry AxArtifactKey:"
-                    + "(name=KeyInfoMapKey,version=0.0.1):00000000-0000-0000-0000-000000000000\n"
-                    + "********************************";
-
-    private static final String INVALID_MODEL_MALSTRUCTURED_STRING = "\n" + "***validation of model failed***\n"
-                    + "AxArtifactKey:(name=BasicModelKey,version=0.0.1):org.onap.policy.apex.model.basicmodel.concepts."
-                    + "AxKeyInfo:WARNING:UUID is a zero UUID: 00000000-0000-0000-0000-000000000000\n"
-                    + "AxArtifactKey:(name=BasicModelKey,version=0.0.1):org.onap.policy.apex.model.basicmodel.concepts."
-                    + "AxModel:INVALID:key information not found for key "
-                    + "AxArtifactKey:(name=KeyInfoMapKey,version=0.0.1)\n" + "********************************";
-
-    TestApexModel<AxModel> testApexModel;
-
-    /**
-     * Set up the test.
-     *
-     * @throws Exception any exception thrown by the test
-     */
-    @Before
-    public void setup() throws Exception {
-        testApexModel = new TestApexModel<AxModel>(AxModel.class, new DummyApexBasicModelCreator());
-    }
-
-    @Test
-    public void testModelValid() throws Exception {
-        final AxValidationResult result = testApexModel.testApexModelValid();
-        assertEquals(VALID_MODEL_STRING, result.toString());
-    }
-
-    @Test
-    public void testApexModelVaidateObservation() throws Exception {
-        assertThatThrownBy(testApexModel::testApexModelVaidateObservation)
-            .hasMessage("model should have observations");
-    }
-
-    @Test
-    public void testApexModelVaidateWarning() throws Exception {
-        final AxValidationResult result = testApexModel.testApexModelVaidateWarning();
-        assertEquals(WARNING_MODEL_STRING, result.toString());
-    }
-
-    @Test
-    public void testModelVaidateInvalidModel() throws Exception {
-        final AxValidationResult result = testApexModel.testApexModelVaidateInvalidModel();
-        assertEquals(INVALID_MODEL_STRING, result.toString());
-    }
-
-    @Test
-    public void testModelVaidateMalstructured() throws Exception {
-        final AxValidationResult result = testApexModel.testApexModelVaidateMalstructured();
-        assertEquals(INVALID_MODEL_MALSTRUCTURED_STRING, result.toString());
-    }
-
-    @Test
-    public void testModelWriteReadJson() throws Exception {
-        testApexModel.testApexModelWriteReadJson();
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportApexModelCreator0.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportApexModelCreator0.java
deleted file mode 100644
index e835bc0fc..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportApexModelCreator0.java
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * 
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKeyInfo;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKeyInformation;
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-import org.onap.policy.apex.model.basicmodel.test.TestApexModelCreator;
-
-public class SupportApexModelCreator0 implements TestApexModelCreator<AxModel> {
-
-    @Override
-    public AxModel getModel() {
-        AxModel basicModel = new AxModel();
-
-        basicModel.setKey(new AxArtifactKey("BasicModel", "0.0.1"));
-        basicModel.setKeyInformation(new AxKeyInformation(new AxArtifactKey("KeyInfoMapKey", "0.0.1")));
-
-        basicModel.getKeyInformation().getKeyInfoMap().put(basicModel.getKey(), new AxKeyInfo(basicModel.getKey()));
-        basicModel.getKeyInformation().getKeyInfoMap().put(basicModel.getKeyInformation().getKey(),
-                        new AxKeyInfo(basicModel.getKeyInformation().getKey()));
-
-        return basicModel;
-    }
-
-    @Override
-    public final AxModel getMalstructuredModel() {
-        return getModel();
-    }
-
-    @Override
-    public final AxModel getObservationModel() {
-        return getModel();
-    }
-
-    @Override
-    public final AxModel getWarningModel() {
-        return getModel();
-    }
-
-    @Override
-    public final AxModel getInvalidModel() {
-        return getModel();
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportApexModelCreator1.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportApexModelCreator1.java
deleted file mode 100644
index 9ad34a38c..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportApexModelCreator1.java
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * 
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import java.util.UUID;
-import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKeyInfo;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKeyInformation;
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-import org.onap.policy.apex.model.basicmodel.test.TestApexModelCreator;
-
-public class SupportApexModelCreator1 implements TestApexModelCreator<AxModel> {
-
-    @Override
-    public AxModel getModel() {
-        return getInvalidModel();
-    }
-
-    @Override
-    public final AxModel getMalstructuredModel() {
-        return getInvalidModel();
-    }
-
-    @Override
-    public final AxModel getObservationModel() {
-        return getInvalidModel();
-    }
-
-    @Override
-    public final AxModel getWarningModel() {
-        return getInvalidModel();
-    }
-
-    @Override
-    public final AxModel getInvalidModel() {
-        AxModel basicModel = new AxModel();
-
-        basicModel.setKey(new AxArtifactKey("BasicModelKey", "0.0.1"));
-        basicModel.setKeyInformation(new AxKeyInformation(new AxArtifactKey("KeyInfoMapKey", "0.0.1")));
-
-        basicModel.getKeyInformation().getKeyInfoMap().put(basicModel.getKey(), new AxKeyInfo(basicModel.getKey(),
-                        UUID.fromString("00000000-0000-0000-0000-000000000000"),
-                        "nbasic model description\nThis is a multi line description\nwith another line of text."));
-        basicModel.getKeyInformation().getKeyInfoMap().put(basicModel.getKeyInformation().getKey(),
-                        new AxKeyInfo(basicModel.getKeyInformation().getKey(),
-                                        UUID.fromString("00000000-0000-0000-0000-000000000000"), ""));
-
-        return basicModel;
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportApexModelCreator2.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportApexModelCreator2.java
deleted file mode 100644
index 0ab7aab7f..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportApexModelCreator2.java
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * 
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKeyInfo;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKeyInformation;
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-import org.onap.policy.apex.model.basicmodel.test.TestApexModelCreator;
-
-public class SupportApexModelCreator2 implements TestApexModelCreator<AxModel> {
-
-    @Override
-    public AxModel getModel() {
-        AxModel basicModel = new AxModel();
-
-        basicModel.setKey(new AxArtifactKey("BasicModel", "0.0.1"));
-        basicModel.setKeyInformation(new AxKeyInformation(new AxArtifactKey("KeyInfoMapKey", "0.0.1")));
-
-        basicModel.getKeyInformation().getKeyInfoMap().put(basicModel.getKey(), new AxKeyInfo(basicModel.getKey()));
-        basicModel.getKeyInformation().getKeyInfoMap().put(basicModel.getKeyInformation().getKey(),
-                        new AxKeyInfo(basicModel.getKeyInformation().getKey()));
-        basicModel.getKeyInformation().get("BasicModel").setDescription("");
-        return basicModel;
-    }
-
-    @Override
-    public final AxModel getMalstructuredModel() {
-        return getModel();
-    }
-
-    @Override
-    public final AxModel getObservationModel() {
-        return getModel();
-    }
-
-    @Override
-    public final AxModel getWarningModel() {
-        return getModel();
-    }
-
-    @Override
-    public final AxModel getInvalidModel() {
-        return getModel();
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportBasicModelTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportBasicModelTest.java
deleted file mode 100644
index d55a9da29..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportBasicModelTest.java
+++ /dev/null
@@ -1,111 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020-2022 Nordix Foundation
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
-
-import org.junit.Test;
-import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-import org.onap.policy.apex.model.basicmodel.test.TestApexModel;
-
-public class SupportBasicModelTest {
-
-    @Test
-    public void testNormalModelCreator() throws ApexException {
-        final TestApexModel<AxModel> testApexModel = new TestApexModel<AxModel>(AxModel.class,
-            new DummyApexBasicModelCreator());
-
-        testApexModel.testApexModelValid();
-        assertThatThrownBy(testApexModel::testApexModelVaidateObservation)
-            .hasMessage("model should have observations");
-        testApexModel.testApexModelVaidateWarning();
-        testApexModel.testApexModelVaidateInvalidModel();
-        testApexModel.testApexModelVaidateMalstructured();
-
-        testApexModel.testApexModelWriteReadJson();
-    }
-
-    @Test
-    public void testModelsUnequal() throws ApexException {
-        final TestApexModel<AxModel> testApexModel0 = new TestApexModel<AxModel>(AxModel.class,
-            new DummyApexBasicModelCreator());
-        final TestApexModel<AxModel> testApexModel1 = new TestApexModel<AxModel>(AxModel.class,
-            new DummyApexBasicModelCreator());
-
-        testApexModel1.getModel().getKey().setVersion("0.0.2");
-
-        assertThatThrownBy(() -> testApexModel0.checkModelEquality(testApexModel0.getModel(), testApexModel1.getModel(),
-                "Models are not equal")).hasMessage("Models are not equal");
-    }
-
-    @Test
-    public void testModelCreator0() throws ApexException {
-        final TestApexModel<AxModel> testApexModel = new TestApexModel<AxModel>(AxModel.class,
-            new SupportApexModelCreator0());
-
-        testApexModel.testApexModelValid();
-        assertThatThrownBy(() -> testApexModel.testApexModelVaidateObservation())
-            .hasMessage("model should have observations");
-        assertThatThrownBy(() -> testApexModel.testApexModelVaidateWarning())
-            .hasMessage("model should have warnings");
-        assertThatThrownBy(() -> testApexModel.testApexModelVaidateInvalidModel())
-            .hasMessage("model should not be valid ***validation of model successful***");
-        assertThatThrownBy(() -> testApexModel.testApexModelVaidateMalstructured())
-            .hasMessage("model should not be valid ***validation of model successful***");
-    }
-
-    @Test
-    public void testModelCreator1() throws ApexException {
-        final TestApexModel<AxModel> testApexModel = new TestApexModel<AxModel>(AxModel.class,
-            new SupportApexModelCreator1());
-
-        assertThatThrownBy(() -> testApexModel.testApexModelValid())
-            .hasMessageStartingWith("model is invalid");
-        assertThatThrownBy(() -> testApexModel.testApexModelVaidateObservation())
-            .hasMessageStartingWith("model is invalid");
-        assertThatThrownBy(() -> testApexModel.testApexModelVaidateWarning())
-            .hasMessageStartingWith("model is invalid");
-        testApexModel.testApexModelVaidateInvalidModel();
-        testApexModel.testApexModelVaidateMalstructured();
-    }
-
-    @Test
-    public void testModelCreator2() throws ApexException {
-        final TestApexModel<AxModel> testApexModel = new TestApexModel<AxModel>(AxModel.class,
-            new SupportApexModelCreator2());
-
-        testApexModel.testApexModelValid();
-        testApexModel.testApexModelVaidateObservation();
-        assertThatThrownBy(() -> testApexModel.testApexModelVaidateWarning())
-            .hasMessage("model should have warnings");
-    }
-
-    @Test
-    public void testModelCreator1Json() throws ApexException {
-        final TestApexModel<AxModel> testApexModel = new TestApexModel<AxModel>(AxModel.class,
-            new SupportApexModelCreator1());
-
-        assertThatThrownBy(() -> testApexModel.testApexModelWriteReadJson())
-            .hasMessageStartingWith("error processing file");
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportConceptGetterTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportConceptGetterTest.java
deleted file mode 100644
index 1783fc00f..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/handling/SupportConceptGetterTest.java
+++ /dev/null
@@ -1,217 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020-2022 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.handling;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.util.UUID;
-import org.junit.Test;
-import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
-import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKeyInfo;
-import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
-
-public class SupportConceptGetterTest {
-
-    private static final AxKeyInfo intKI01 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey01", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey01 description");
-    private static final AxKeyInfo intKI11 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey11", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey11 description");
-    private static final AxKeyInfo intKI21 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey21", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey21 description");
-    private static final AxKeyInfo intKI22 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey22", "0.0.2"),
-            UUID.randomUUID(), "IntegerKIKey22 description");
-    private static final AxKeyInfo intKI23 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey23", "0.0.3"),
-            UUID.randomUUID(), "IntegerKIKey23 description");
-    private static final AxKeyInfo intKI24 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey24", "0.0.4"),
-            UUID.randomUUID(), "IntegerKIKey24 description");
-    private static final AxKeyInfo intKI25 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey25", "0.0.5"),
-            UUID.randomUUID(), "IntegerKIKey25 description");
-    private static final AxKeyInfo intKI26 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey26", "0.0.6"),
-            UUID.randomUUID(), "IntegerKIKey26 description");
-    private static final AxKeyInfo intKI31 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey31", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey31 description");
-    private static final AxKeyInfo intKI41 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey41", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey41 description");
-    private static final AxKeyInfo intKI51 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey51", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey51 description");
-    private static final AxKeyInfo intKI52 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey52", "0.0.2"),
-            UUID.randomUUID(), "IntegerKIKey52 description");
-    private static final AxKeyInfo intKI53 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey53", "0.0.3"),
-            UUID.randomUUID(), "IntegerKIKey53 description");
-    private static final AxKeyInfo intKI54 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey54", "0.0.4"),
-            UUID.randomUUID(), "IntegerKIKey54 description");
-    private static final AxKeyInfo intKI61 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey61", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey61 description");
-    private static final AxKeyInfo intKI62 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey62", "0.0.2"),
-            UUID.randomUUID(), "IntegerKIKey62 description");
-    private static final AxKeyInfo intKI63 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey63", "0.0.3"),
-            UUID.randomUUID(), "IntegerKIKey63 description");
-    private static final AxKeyInfo intKI64 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey64", "0.0.4"),
-            UUID.randomUUID(), "IntegerKIKey64 description");
-    private static final AxKeyInfo intKI71 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey71", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey71 description");
-    private static final AxKeyInfo intKI81 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey81", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey81 description");
-    private static final AxKeyInfo intKI91 = new AxKeyInfo(new AxArtifactKey("IntegerKIKey91", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey91 description");
-    private static final AxKeyInfo floatKI01 = new AxKeyInfo(new AxArtifactKey("FloatKIKey01", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey01 description");
-    private static final AxKeyInfo floatKI11 = new AxKeyInfo(new AxArtifactKey("FloatKIKey11", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey11 description");
-    private static final AxKeyInfo floatKI21 = new AxKeyInfo(new AxArtifactKey("FloatKIKey21", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey21 description");
-    private static final AxKeyInfo floatKI31 = new AxKeyInfo(new AxArtifactKey("FloatKIKey31", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey31 description");
-    private static final AxKeyInfo floatKI41 = new AxKeyInfo(new AxArtifactKey("FloatKIKey41", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey41 description");
-    private static final AxKeyInfo floatKI51 = new AxKeyInfo(new AxArtifactKey("FloatKIKey51", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey51 description");
-    private static final AxKeyInfo floatKI61 = new AxKeyInfo(new AxArtifactKey("FloatKIKey61", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey61 description");
-    private static final AxKeyInfo floatKI71 = new AxKeyInfo(new AxArtifactKey("FloatKIKey71", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey71 description");
-    private static final AxKeyInfo floatKI81 = new AxKeyInfo(new AxArtifactKey("FloatKIKey81", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey81 description");
-    private static final AxKeyInfo floatKI82 = new AxKeyInfo(new AxArtifactKey("FloatKIKey82", "0.0.2"),
-            UUID.randomUUID(), "IntegerKIKey82 description");
-    private static final AxKeyInfo floatKI83 = new AxKeyInfo(new AxArtifactKey("FloatKIKey83", "0.0.3"),
-            UUID.randomUUID(), "IntegerKIKey83 description");
-    private static final AxKeyInfo floatKI91 = new AxKeyInfo(new AxArtifactKey("FloatKIKey91", "0.0.1"),
-            UUID.randomUUID(), "IntegerKIKey91 description");
-    private static final AxKeyInfo floatKI92 = new AxKeyInfo(new AxArtifactKey("FloatKIKey92", "0.0.2"),
-            UUID.randomUUID(), "IntegerKIKey92 description");
-    private static final AxKeyInfo floatKI93 = new AxKeyInfo(new AxArtifactKey("FloatKIKey93", "0.0.3"),
-            UUID.randomUUID(), "IntegerKIKey93 description");
-
-    @Test
-    public void testConceptGetterInteger() {
-        AxModel basicModel = setTestBasicModel();
-
-        assertNull(basicModel.getKeyInformation().get("NonExistantKey", "0.0.6"));
-        assertEquals(intKI26, basicModel.getKeyInformation().get("IntegerKIKey26", "0.0.6"));
-        assertEquals(intKI62, basicModel.getKeyInformation().get("IntegerKIKey62", "0.0.2"));
-        assertEquals(intKI21, basicModel.getKeyInformation().get("IntegerKIKey21", "0.0.1"));
-        assertEquals(intKI61, basicModel.getKeyInformation().get("IntegerKIKey61", "0.0.1"));
-
-        assertNull(basicModel.getKeyInformation().get("NonExistantKey"));
-
-        assertEquals(intKI01, basicModel.getKeyInformation().get("IntegerKIKey01"));
-        assertEquals(intKI11, basicModel.getKeyInformation().get("IntegerKIKey11"));
-        assertEquals(intKI26, basicModel.getKeyInformation().get("IntegerKIKey26"));
-        assertEquals(intKI31, basicModel.getKeyInformation().get("IntegerKIKey31"));
-        assertEquals(intKI41, basicModel.getKeyInformation().get("IntegerKIKey41"));
-        assertEquals(intKI54, basicModel.getKeyInformation().get("IntegerKIKey54"));
-        assertEquals(intKI64, basicModel.getKeyInformation().get("IntegerKIKey64"));
-        assertEquals(intKI71, basicModel.getKeyInformation().get("IntegerKIKey71"));
-        assertEquals(intKI81, basicModel.getKeyInformation().get("IntegerKIKey81"));
-        assertEquals(intKI91, basicModel.getKeyInformation().get("IntegerKIKey91"));
-    }
-
-    @Test
-    public void testConceptGetterFloat() {
-        AxModel basicModel = setTestBasicModel();
-
-        assertEquals(floatKI01, basicModel.getKeyInformation().get("FloatKIKey01"));
-        assertEquals(floatKI11, basicModel.getKeyInformation().get("FloatKIKey11"));
-        assertEquals(floatKI21, basicModel.getKeyInformation().get("FloatKIKey21"));
-        assertEquals(floatKI31, basicModel.getKeyInformation().get("FloatKIKey31"));
-        assertEquals(floatKI41, basicModel.getKeyInformation().get("FloatKIKey41"));
-        assertEquals(floatKI51, basicModel.getKeyInformation().get("FloatKIKey51"));
-        assertEquals(floatKI61, basicModel.getKeyInformation().get("FloatKIKey61"));
-        assertEquals(floatKI71, basicModel.getKeyInformation().get("FloatKIKey71"));
-        assertEquals(floatKI83, basicModel.getKeyInformation().get("FloatKIKey83"));
-        assertEquals(floatKI93, basicModel.getKeyInformation().get("FloatKIKey93"));
-    }
-
-    @Test
-    public void testMarshalling() throws IOException, ApexException {
-        AxModel basicModel = setTestBasicModel();
-
-        // Ensure marshalling and unmarshalling is OK
-        ApexModelReader<AxModel> modelReader = new ApexModelReader<AxModel>(AxModel.class);
-        ApexModelFileWriter<AxModel> modelWriter = new ApexModelFileWriter<AxModel>(true);
-
-        modelReader.setValidate(false);
-        modelWriter.setValidate(false);
-
-        File tempJsonFile = File.createTempFile("ApexModel", "json");
-        modelWriter.apexModelWriteJsonFile(basicModel, AxModel.class, tempJsonFile.getCanonicalPath());
-
-        FileInputStream jsonFileInputStream = new FileInputStream(tempJsonFile);
-        AxModel readJsonModel = modelReader.read(jsonFileInputStream);
-        jsonFileInputStream.close();
-        assertEquals(basicModel, readJsonModel);
-        assertEquals(intKI91, readJsonModel.getKeyInformation().get("IntegerKIKey91"));
-        assertNotNull(readJsonModel.getKeyInformation().get("FloatKIKey"));
-        tempJsonFile.delete();
-    }
-
-    private AxModel setTestBasicModel() {
-        AxModel basicModel = new DummyApexBasicModelCreator().getModel();
-        assertNotNull(basicModel);
-
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI31.getKey(), intKI31);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI24.getKey(), intKI24);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI11.getKey(), intKI11);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI64.getKey(), intKI64);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI41.getKey(), intKI41);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI51.getKey(), intKI51);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI23.getKey(), intKI23);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI81.getKey(), intKI81);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI71.getKey(), intKI71);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI01.getKey(), intKI01);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI91.getKey(), intKI91);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI52.getKey(), intKI52);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI53.getKey(), intKI53);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI62.getKey(), intKI62);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI54.getKey(), intKI54);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI26.getKey(), intKI26);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI22.getKey(), intKI22);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI25.getKey(), intKI25);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI21.getKey(), intKI21);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI61.getKey(), intKI61);
-        basicModel.getKeyInformation().getKeyInfoMap().put(intKI63.getKey(), intKI63);
-
-        basicModel.getKeyInformation().getKeyInfoMap().put(floatKI11.getKey(), floatKI11);
-        basicModel.getKeyInformation().getKeyInfoMap().put(floatKI83.getKey(), floatKI83);
-        basicModel.getKeyInformation().getKeyInfoMap().put(floatKI51.getKey(), floatKI51);
-        basicModel.getKeyInformation().getKeyInfoMap().put(floatKI71.getKey(), floatKI71);
-        basicModel.getKeyInformation().getKeyInfoMap().put(floatKI21.getKey(), floatKI21);
-        basicModel.getKeyInformation().getKeyInfoMap().put(floatKI81.getKey(), floatKI81);
-        basicModel.getKeyInformation().getKeyInfoMap().put(floatKI92.getKey(), floatKI92);
-        basicModel.getKeyInformation().getKeyInfoMap().put(floatKI91.getKey(), floatKI91);
-        basicModel.getKeyInformation().getKeyInfoMap().put(floatKI01.getKey(), floatKI01);
-        basicModel.getKeyInformation().getKeyInfoMap().put(floatKI82.getKey(), floatKI82);
-        basicModel.getKeyInformation().getKeyInfoMap().put(floatKI61.getKey(), floatKI61);
-        basicModel.getKeyInformation().getKeyInfoMap().put(floatKI41.getKey(), floatKI41);
-        basicModel.getKeyInformation().getKeyInfoMap().put(floatKI31.getKey(), floatKI31);
-        basicModel.getKeyInformation().getKeyInfoMap().put(floatKI93.getKey(), floatKI93);
-
-        return basicModel;
-    }
-}
diff --git a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/service/ModelServiceTest.java b/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/service/ModelServiceTest.java
deleted file mode 100644
index 746e10607..000000000
--- a/model/basic-model/src/test/java/org/onap/policy/apex/model/basicmodel/service/ModelServiceTest.java
+++ /dev/null
@@ -1,65 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020 Nordix Foundation
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.apex.model.basicmodel.service;
-
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-
-import org.junit.Test;
-import org.onap.policy.apex.model.basicmodel.concepts.AxKeyInformation;
-import org.onap.policy.apex.model.basicmodel.handling.DummyApexBasicModelCreator;
-
-public class ModelServiceTest {
-
-    @Test
-    public void testModelService() {
-        ModelService.clear();
-
-        assertFalse(ModelService.existsModel(AxKeyInformation.class));
-        assertThatThrownBy(() -> ModelService.getModel(AxKeyInformation.class))
-            .hasMessage("Model for org.onap.policy.apex.model.basicmodel.concepts.AxKeyInformation "
-                            + "not found in model service");
-        ModelService.registerModel(AxKeyInformation.class,
-                        new DummyApexBasicModelCreator().getModel().getKeyInformation());
-        assertTrue(ModelService.existsModel(AxKeyInformation.class));
-        assertNotNull(ModelService.getModel(AxKeyInformation.class));
-
-        ModelService.deregisterModel(AxKeyInformation.class);
-
-        assertFalse(ModelService.existsModel(AxKeyInformation.class));
-        assertThatThrownBy(() -> ModelService.getModel(AxKeyInformation.class))
-            .hasMessage("Model for org.onap.policy.apex.model.basicmodel.concepts.AxKeyInformation "
-                            + "not found in model service");
-        ModelService.registerModel(AxKeyInformation.class,
-                        new DummyApexBasicModelCreator().getModel().getKeyInformation());
-        assertTrue(ModelService.existsModel(AxKeyInformation.class));
-        assertNotNull(ModelService.getModel(AxKeyInformation.class));
-
-        ModelService.clear();
-        assertFalse(ModelService.existsModel(AxKeyInformation.class));
-        assertThatThrownBy(() -> ModelService.getModel(AxKeyInformation.class))
-            .hasMessage("Model for org.onap.policy.apex.model.basicmodel.concepts.AxKeyInformation "
-                            + "not found in model service");
-    }
-}
diff --git a/model/basic-model/src/test/resources/logback-test.xml b/model/basic-model/src/test/resources/logback-test.xml
deleted file mode 100644
index c52f2ded6..000000000
--- a/model/basic-model/src/test/resources/logback-test.xml
+++ /dev/null
@@ -1,70 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ============LICENSE_START=======================================================
-   Copyright (C) 2016-2018 Ericsson. All rights reserved.
-  ================================================================================
-  Licensed under the Apache License, Version 2.0 (the "License");
-  you may not use this file except in compliance with the License.
-  You may obtain a copy of the License at
-  
-       http://www.apache.org/licenses/LICENSE-2.0
-  
-  Unless required by applicable law or agreed to in writing, software
-  distributed under the License is distributed on an "AS IS" BASIS,
-  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  See the License for the specific language governing permissions and
-  limitations under the License.
-  
-  SPDX-License-Identifier: Apache-2.0
-  ============LICENSE_END=========================================================
--->
-
-<configuration>
-
-    <contextName>Apex</contextName>
-    <statusListener class="ch.qos.logback.core.status.OnConsoleStatusListener" />
-    <property name="LOG_DIR" value="${java.io.tmpdir}/apex_logging/" />
-
-    <!-- USE FOR STD OUT ONLY -->
-    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
-        <encoder>
-            <Pattern>%d %contextName [%t] %level %logger{36} - %msg%n</Pattern>
-        </encoder>
-    </appender>
-
-    <root level="INFO">
-        <appender-ref ref="STDOUT" />
-    </root>
-
-    <logger name="org.infinispan" level="INFO" additivity="false">
-        <appender-ref ref="STDOUT" />
-    </logger>
-
-    <logger name="org.apache.zookeeper.ClientCnxn" level="OFF" additivity="false">
-        <appender-ref ref="STDOUT" />
-    </logger>
-
-    <appender name="FILE" class="ch.qos.logback.core.FileAppender">
-        <file>${LOG_DIR}/apex.log</file>
-        <encoder>
-            <pattern>%d %-5relative [procId=${processId}] [%thread] %-5level
-                %logger{26} - %msg %n %ex{full}</pattern>
-        </encoder>
-    </appender>
-
-    <appender name="CTXT_FILE" class="ch.qos.logback.core.FileAppender">
-        <file>${LOG_DIR}/apex_ctxt.log</file>
-        <encoder>
-            <pattern>%d %-5relative [procId=${processId}] [%thread] %-5level
-                %logger{26} - %msg %n %ex{full}</pattern>
-        </encoder>
-    </appender>
-
-    <logger name="org.onap.policy.apex.core.context.impl.monitoring" level="INFO" additivity="false">
-        <appender-ref ref="CTXT_FILE" />
-    </logger>
-
-    <logger name="org.onap.policy.apex.core.context" level="INFO" additivity="false">
-        <appender-ref ref="STDOUT" />
-    </logger>
-</configuration>