source out odl mapper

put odl mapper code into seperate bundle

Issue-ID: CCSDK-3254
Signed-off-by: Michael DÜrre <michael.duerre@highstreet-technologies.com>
Change-Id: I3debef0be8e44e7c68c95a6d06b7e50813bbea43

16 files changed, 1290 insertions, 0 deletions

diff --git a/sdnr/wt/common-yang/utils/pom.xml b/sdnr/wt/common-yang/utils/pom.xml
new file mode 100644
index 000000000..ef3c22b4c
--- /dev/null
+++ b/sdnr/wt/common-yang/utils/pom.xml
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ ============LICENSE_START=======================================================
+  ~ ONAP : ccsdk features
+  ~ ================================================================================
+  ~ Copyright (C) 2019 highstreet technologies GmbH Intellectual Property.
+  ~ All rights reserved.
+  ~ ================================================================================
+  ~ Update Copyright (C) 2020 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.
+  ~ ============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.ccsdk.parent</groupId>
+        <artifactId>binding-parent</artifactId>
+        <version>2.2.0-SNAPSHOT</version>
+        <relativePath/>
+    </parent>
+
+    <groupId>org.onap.ccsdk.features.sdnr.wt</groupId>
+    <artifactId>sdnr-wt-yang-utils</artifactId>
+    <version>1.2.0-SNAPSHOT</version>
+    <packaging>bundle</packaging>
+
+    <name>ccsdk-features :: ${project.artifactId}</name>
+    <licenses>
+        <license>
+            <name>Apache License, Version 2.0</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0</url>
+        </license>
+    </licenses>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.osgi</groupId>
+            <artifactId>org.osgi.core</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.google.code.findbugs</groupId>
+            <artifactId>annotations</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-annotations</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.opendaylight.mdsal.binding.model.ietf</groupId>
+            <artifactId>rfc6991-ietf-yang-types</artifactId>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
+</project>
diff --git a/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/YangToolsMapper.java b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/YangToolsMapper.java
new file mode 100644
index 000000000..f406ea97d
--- /dev/null
+++ b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/YangToolsMapper.java
@@ -0,0 +1,73 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2019 highstreet technologies GmbH 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.yang.mapper;
+
+import com.fasterxml.jackson.annotation.JsonInclude.Include;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.KeyDeserializer;
+import com.fasterxml.jackson.databind.MapperFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.PropertyNamingStrategy;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.mapperextensions.YangToolsBuilderAnnotationIntrospector;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.mapperextensions.YangToolsModule;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * YangToolsMapper is a specific Jackson mapper configuration for opendaylight yangtools serialization or
+ * deserialization of DataObject to/from JSON TODO ChoiceIn and Credentials deserialization only for
+ * LoginPasswordBuilder
+ */
+public class YangToolsMapper extends ObjectMapper {
+
+    @SuppressWarnings("unused")
+    private final Logger LOG = LoggerFactory.getLogger(YangToolsMapper.class);
+    private final YangToolsBuilderAnnotationIntrospector annotationIntrospector;
+    private final YangToolsModule module;
+    private static final long serialVersionUID = 1L;
+
+    public YangToolsMapper() {
+        this(new YangToolsBuilderAnnotationIntrospector());
+    }
+
+    protected YangToolsMapper(YangToolsBuilderAnnotationIntrospector yangToolsBuilderAnnotationIntrospector) {
+        super();
+
+        this.annotationIntrospector = yangToolsBuilderAnnotationIntrospector;
+        this.module = new YangToolsModule();
+        configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        setPropertyNamingStrategy(PropertyNamingStrategy.KEBAB_CASE);
+        setSerializationInclusion(Include.NON_NULL);
+        enable(MapperFeature.USE_GETTERS_AS_SETTERS);
+        setAnnotationIntrospector(yangToolsBuilderAnnotationIntrospector);
+        registerModule(this.module);
+
+    }
+    public void addDeserializer(Class<?> clsToDeserialize, String builderClassName) {
+        this.annotationIntrospector.addDeserializer(clsToDeserialize, builderClassName);
+    }
+
+    public void addKeyDeserializer(Class<?> type, KeyDeserializer deserializer) {
+        this.module.addKeyDeserializer(type, deserializer);
+    }
+
+}
diff --git a/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/YangToolsMapper2.java b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/YangToolsMapper2.java
new file mode 100644
index 000000000..5c5aeb6de
--- /dev/null
+++ b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/YangToolsMapper2.java
@@ -0,0 +1,97 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2019 highstreet technologies GmbH 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.yang.mapper;
+
+import java.lang.reflect.InvocationTargetException;
+import javax.annotation.Nullable;
+import org.eclipse.jdt.annotation.NonNull;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.mapperextensions.YangToolsBuilderAnnotationIntrospector;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * YangToolsMapper is a specific Jackson mapper configuration for opendaylight yangtools serialization or
+ * deserialization of DataObject to/from JSON TODO ChoiceIn and Credentials deserialization only for
+ * LoginPasswordBuilder
+ */
+public class YangToolsMapper2<T extends DataObject> extends YangToolsMapper {
+
+    private static final Logger LOG = LoggerFactory.getLogger(YangToolsMapper2.class);
+    private static final long serialVersionUID = 1L;
+
+    private @Nullable final Class<? extends Builder<? extends T>> builderClazz;
+
+    /**
+     * Generic Object creation of yangtools java class builder pattern.
+     *
+     * @param <X> Class of DataObject
+     * @param <B> Builder for the class.
+     * @param clazz specifies class to be mapped
+     * @param builderClazz is the builder for class with name pattern "clazzBuilder".<br>
+     *        If null the clazz is expected to support normal jackson build pattern.
+     * @throws ClassNotFoundException if builderClazz not available in bundle
+     */
+    public <X extends T, B extends Builder<X>> YangToolsMapper2(@NonNull Class<T> clazz,
+            @Nullable Class<B> builderClazz) throws ClassNotFoundException {
+        super(new YangToolsBuilderAnnotationIntrospector(clazz, builderClazz));
+
+        this.builderClazz =
+                builderClazz != null ? builderClazz : getBuilderClass(YangToolsMapperHelper.getBuilderClassName(clazz));
+    }
+
+    /**
+     * Get Builder object for yang tools interface.
+     *
+     * @param <T> yang-tools base datatype
+     * @param clazz class with interface.
+     * @return builder for interface or null if not existing
+     */
+    public @Nullable Builder<? extends T> getBuilder(Class<T> clazz) {
+        try {
+            if (builderClazz != null)
+                return builderClazz.getDeclaredConstructor().newInstance();
+            else
+                return null;
+        } catch (InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException
+                | NoSuchMethodException | SecurityException e) {
+            LOG.warn("Problem intantiating Builder", e);
+            return null;
+        }
+    }
+
+    // --- Private functions
+
+    /**
+     * Search builder in context
+     *
+     * @param name
+     * @return
+     * @throws ClassNotFoundException
+     */
+    @SuppressWarnings("unchecked")
+    private <X extends T, B extends Builder<X>> Class<B> getBuilderClass(String name) throws ClassNotFoundException {
+        return (Class<B>) YangToolsMapperHelper.getBuilderClass(name);
+    }
+
+}
diff --git a/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/YangToolsMapperHelper.java b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/YangToolsMapperHelper.java
new file mode 100644
index 000000000..ac6b1b5c5
--- /dev/null
+++ b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/YangToolsMapperHelper.java
@@ -0,0 +1,270 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.yang.mapper;
+
+import com.fasterxml.jackson.databind.DeserializationContext;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.time.Instant;
+import java.time.ZoneOffset;
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Optional;
+import java.util.concurrent.ConcurrentHashMap;
+import javax.annotation.Nullable;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.EventInstantAware;
+import org.opendaylight.yangtools.yang.binding.Notification;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.FrameworkUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class YangToolsMapperHelper {
+
+    private static final Logger LOG = LoggerFactory.getLogger(YangToolsMapperHelper.class);
+    private static final String TYPEOBJECT_INSTANCE_METHOD = "getDefaultInstance";
+    private static final String BUILDER = "Builder";
+    private static final DateTimeFormatter formatterOutput =
+            DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.S'Z'").withZone(ZoneOffset.UTC);
+
+    private static BundleContext context = getBundleContext();
+    private static ConcurrentHashMap<String, Class<?>> cache = new ConcurrentHashMap<>();
+
+    private YangToolsMapperHelper() {
+        //Make unaccessible
+    }
+
+    public static Class<?> findClass(String name) throws ClassNotFoundException {
+
+        //Try first in cache
+        Class<?> res = cache.get(name);
+        if (res != null) {
+            return res;
+        }
+        //Try first in actual bundle
+        try {
+            return loadClass(null, name);
+        } catch (ClassNotFoundException e) {
+            // No problem, this bundle doesn't have the class
+        }
+        // Try to find in other bundles
+        if (context != null) {
+            //OSGi environment
+            for (Bundle b : context.getBundles()) {
+                try {
+                    return loadClass(b, name);
+                } catch (ClassNotFoundException e) {
+                    // No problem, this bundle doesn't have the class
+                }
+            }
+        }
+        // really not found in any bundle
+        throw new ClassNotFoundException("Can not find class '"+name+"'");
+    }
+
+    private static Class<?> loadClass(Bundle b, String name) throws ClassNotFoundException {
+        Class<?> res = b == null ? Class.forName(name) : b.loadClass(name);
+        cache.put(name, res);
+        return res;
+    }
+
+    /**
+     * Verify if builder is available
+     *
+     * @throws ClassNotFoundException
+     **/
+    public static Class<?> assertBuilderClass(Class<?> clazz) throws ClassNotFoundException {
+        return getBuilderClass(getBuilderClassName(clazz));
+    }
+
+    public static Class<?> getBuilderClass(String name) throws ClassNotFoundException {
+        return findClass(name);
+    }
+
+    public static Class<?> getBuilderClass(Class<?> clazz) throws ClassNotFoundException {
+        return findClass(getBuilderClassName(clazz));
+    }
+
+    /**
+     * Create name of builder class
+     *
+     * @param <T>
+     * @param clazz
+     * @return builders class name
+     * @throws ClassNotFoundException
+     */
+    public static String getBuilderClassName(Class<?> clazz) {
+        return clazz.getName() + BUILDER;
+    }
+
+    @SuppressWarnings("unchecked")
+    public static <B extends Builder<?>> Class<B> findBuilderClass(DeserializationContext ctxt, Class<?> clazz) throws ClassNotFoundException {
+        return (Class<B>) findClass(getBuilderClassName(clazz));
+    }
+
+    public static <B extends Builder<?>> Optional<Class<B>> findBuilderClassOptional(DeserializationContext ctxt, Class<?> clazz) {
+        try {
+            return Optional.of(findBuilderClass(ctxt, clazz));
+        } catch (ClassNotFoundException e) {
+            return Optional.empty();
+        }
+    }
+
+    public static boolean hasClassDeclaredMethod(Class<?> clazz, String name) {
+        Method[] methods = clazz.getDeclaredMethods();
+        for (Method m : methods) {
+            if (m.getName().equals(name)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    @SuppressWarnings("unchecked")
+    public static <T> Optional<T> getInstanceByConstructor(Class<?> clazz, String arg) throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, NoSuchMethodException, SecurityException {
+        List<Class<?>> ctypes = getConstructorParameterTypes(clazz, String.class);
+        Optional<Object> oObj;
+        for (Class<?> ctype : ctypes) {
+            if (ctype.equals(String.class)) {
+                return Optional.of((T) clazz.getConstructor(ctype).newInstance(arg));
+            } else if ((oObj = getDefaultInstance(ctype, arg)).isPresent()) {
+                return Optional.of((T) clazz.getConstructor(ctype).newInstance(oObj.get()));
+            } else {
+                // TODO: recursive instantiation down to string constructor or
+                // getDefaultInstance method
+                LOG.debug("Not implemented arg:'{}' class:'{}'", arg, clazz);
+            }
+        }
+        return Optional.empty();
+    }
+
+    @SuppressWarnings("unchecked")
+    public static <T> Optional<T> getDefaultInstance(@Nullable Class<?> clazz, String arg)
+            throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException,
+            InvocationTargetException {
+        LOG.trace("arg:'{}' clazz '{}'", arg, clazz.getName());
+        if (clazz != null) {
+            Method[] methods = clazz.getDeclaredMethods();
+            for (Method m : methods) {
+                //TODO Verify argument type to avoid exception
+                if (m.getName().equals(TYPEOBJECT_INSTANCE_METHOD)) {
+                    Method method = clazz.getDeclaredMethod(TYPEOBJECT_INSTANCE_METHOD, String.class);
+                    LOG.trace("Invoke {} available {}",TYPEOBJECT_INSTANCE_METHOD, method != null);
+                    return Optional.of((T) method.invoke(null, arg));
+                }
+            }
+        }
+        return Optional.empty();
+    }
+
+    public static <T> Optional<T> getDefaultInstance(Optional<Class<T>> optionalClazz, String arg)
+            throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException,
+            InvocationTargetException {
+        if (optionalClazz.isPresent()) {
+            return getDefaultInstance(optionalClazz.get(), arg);
+        }
+        return Optional.empty();
+    }
+
+    public static List<Class<?>> getConstructorParameterTypes(Class<?> clazz, Class<?> prefer) {
+
+        Constructor<?>[] constructors = clazz.getConstructors();
+        List<Class<?>> res = new ArrayList<>();
+        for (Constructor<?> c : constructors) {
+            Class<?>[] ptypes = c.getParameterTypes();
+            if (ptypes.length == 1) {
+                res.add(ptypes[0]);
+            }
+
+            if (prefer != null && ptypes.length == 1 && ptypes[0].equals(prefer)) {
+                return Arrays.asList(prefer);
+            }
+        }
+        return res;
+    }
+
+    public static boolean implementsInterface(Class<?> clz, Class<?> ifToImplement) {
+        if(clz.equals(ifToImplement)) {
+            return true;
+        }
+        Class<?>[] ifs = clz.getInterfaces();
+        for (Class<?> iff : ifs) {
+            if (iff.equals(ifToImplement)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Provide mapping of string to attribute names, generated by yang-tools. "netconf-id" converted to "_netconfId"
+     *
+     * @param name with attribute name, not null or empty
+     * @return converted string or null if name was empty or null
+     */
+    public @Nullable static String toCamelCaseAttributeName(final String name) {
+        if (name == null || name.isEmpty())
+            return null;
+
+        final StringBuilder ret = new StringBuilder(name.length());
+        if (!name.startsWith("_"))
+            ret.append('_');
+        int start = 0;
+        for (final String word : name.split("-")) {
+            if (!word.isEmpty()) {
+                if (start++ == 0) {
+                    ret.append(Character.toLowerCase(word.charAt(0)));
+                } else {
+                    ret.append(Character.toUpperCase(word.charAt(0)));
+                }
+                ret.append(word.substring(1));
+            }
+        }
+        return ret.toString();
+    }
+
+    private static BundleContext getBundleContext() {
+        Bundle bundle = FrameworkUtil.getBundle(YangToolsMapperHelper.class);
+        return bundle != null ? bundle.getBundleContext() : null;
+    }
+    public static boolean hasTime(Notification notification) {
+        return notification instanceof EventInstantAware;
+    }
+    public static DateAndTime getTime(Notification notification, Instant defaultValue) {
+        Instant time;
+        if (hasTime(notification)) { // If notification class extends/implements the EventInstantAware
+            time = ((EventInstantAware) notification).eventInstant();
+            LOG.debug("Event time {}", time);
+        } else {
+            time = defaultValue;
+            LOG.debug("Defaulting to actual time of processing the notification - {}", time);
+        }
+        return DateAndTime.getDefaultInstance(ZonedDateTime.ofInstant(time, ZoneOffset.UTC).format(formatterOutput));
+    }
+}
diff --git a/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/builder/DateAndTimeBuilder.java b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/builder/DateAndTimeBuilder.java
new file mode 100644
index 000000000..f6afc578f
--- /dev/null
+++ b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/builder/DateAndTimeBuilder.java
@@ -0,0 +1,36 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.yang.mapper.builder;
+
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
+
+public class DateAndTimeBuilder {
+	 private final String _value;
+
+     public DateAndTimeBuilder(String v) {
+         this._value = v;
+     }
+
+     public DateAndTime build() {
+         return new DateAndTime(_value);
+     }
+}
diff --git a/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/mapperextensions/YangToolsBuilderAnnotationIntrospector.java b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/mapperextensions/YangToolsBuilderAnnotationIntrospector.java
new file mode 100644
index 000000000..46c966076
--- /dev/null
+++ b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/mapperextensions/YangToolsBuilderAnnotationIntrospector.java
@@ -0,0 +1,136 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.yang.mapper.mapperextensions;
+
+import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder;
+import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder.Value;
+import com.fasterxml.jackson.databind.cfg.MapperConfig;
+import com.fasterxml.jackson.databind.introspect.AnnotatedClass;
+import com.fasterxml.jackson.databind.introspect.AnnotatedMethod;
+import com.fasterxml.jackson.databind.introspect.JacksonAnnotationIntrospector;
+import java.math.BigInteger;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.YangToolsMapperHelper;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.builder.DateAndTimeBuilder;
+//import org.onap.ccsdk.features.sdnr.wt.dataprovider.data.builders.rev201110.read.network.element.connection.list.output.DataBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
+import org.opendaylight.yangtools.yang.common.Uint16;
+import org.opendaylight.yangtools.yang.common.Uint32;
+import org.opendaylight.yangtools.yang.common.Uint64;
+import org.opendaylight.yangtools.yang.common.Uint8;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class YangToolsBuilderAnnotationIntrospector extends JacksonAnnotationIntrospector {
+
+    private static final Logger LOG = LoggerFactory.getLogger(YangToolsBuilderAnnotationIntrospector.class);
+    private static final long serialVersionUID = 1L;
+
+    private final Map<Class<?>, String> customDeserializer;
+
+    public YangToolsBuilderAnnotationIntrospector() {
+        this(null, null);
+    }
+
+    public YangToolsBuilderAnnotationIntrospector(Class<?> cls, Class<?> builderClass) {
+        this.customDeserializer = new HashMap<>();
+        if (cls != null && builderClass != null) {
+            this.customDeserializer.put(cls, builderClass.getName());
+        }
+        this.customDeserializer.put(DateAndTime.class, DateAndTimeBuilder.class.getName());
+        //this.customDeserializer.put(Credentials.class, LoginPasswordBuilder.class.getName());
+    }
+
+    @Override
+    public Class<?> findPOJOBuilder(AnnotatedClass ac) {
+        try {
+            String builder = null;
+            if (this.customDeserializer.containsKey(ac.getRawType())) {
+                builder = this.customDeserializer.get(ac.getRawType());
+            } else {
+                if (ac.getRawType().isInterface()) {
+                    builder = ac.getName() + "Builder";
+                }
+            }
+            if (builder != null) {
+                LOG.trace("map {} with builder {}", ac.getName(), builder);
+                Class<?> innerBuilder = YangToolsMapperHelper.findClass(builder);
+                return innerBuilder;
+            }
+        } catch (ClassNotFoundException e) {
+            LOG.trace("builder class not found for {}", ac.getName());
+        }
+        return super.findPOJOBuilder(ac);
+    }
+
+    @Override
+    public Value findPOJOBuilderConfig(AnnotatedClass ac) {
+        if (ac.hasAnnotation(JsonPOJOBuilder.class)) {
+            return super.findPOJOBuilderConfig(ac);
+        }
+        return new JsonPOJOBuilder.Value("build", "set");
+    }
+
+    @Override
+    public AnnotatedMethod resolveSetterConflict(MapperConfig<?> config, AnnotatedMethod setter1,
+            AnnotatedMethod setter2) {
+        Class<?> p1 = setter1.getRawParameterType(0);
+        Class<?> p2 = setter2.getRawParameterType(0);
+        AnnotatedMethod res = null;
+
+        if (this.isAssignable(p1, p2, Map.class, List.class)) {
+			res = p1.isAssignableFrom(List.class) ? setter1 : setter2; //prefer List setter
+        } else if (this.isAssignable(p1, p2, Uint64.class, BigInteger.class)) {
+            res = setter1;
+        } else if (this.isAssignable(p1, p2, Uint32.class, Long.class)) {
+            res = setter1;
+        } else if (this.isAssignable(p1, p2, Uint16.class, Integer.class)) {
+            res = setter1;
+        } else if (this.isAssignable(p1, p2, Uint8.class, Short.class)) {
+            res = setter1;
+        }
+        if (res == null) {
+            res = super.resolveSetterConflict(config, setter1, setter2);
+        }
+        if(res ==null) {
+            LOG.warn("unable to resolve setter conflict for {}", setter1.getName());
+        }
+        else {
+            LOG.debug("{} (m1={} <=> m2={} => result:{})", setter1.getName(), p1.getSimpleName(), p2.getSimpleName(),
+                res.getRawParameterType(0)==null?"null":res.getRawParameterType(0).getSimpleName());
+        }
+        return res;
+    }
+
+    private boolean isAssignable(Class<?> p1, Class<?> p2, Class<?> c1, Class<?> c2) {
+        return ((p1.isAssignableFrom(c1) && p2.isAssignableFrom(c2))
+                || (p2.isAssignableFrom(c1) && p1.isAssignableFrom(c2)));
+
+    }
+
+    public void addDeserializer(Class<?> clazz, String builder) {
+        this.customDeserializer.put(clazz, builder);
+    }
+
+}
diff --git a/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/mapperextensions/YangToolsDeserializerModifier.java b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/mapperextensions/YangToolsDeserializerModifier.java
new file mode 100644
index 000000000..c12d17e74
--- /dev/null
+++ b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/mapperextensions/YangToolsDeserializerModifier.java
@@ -0,0 +1,111 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.yang.mapper.mapperextensions;
+
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.BeanDescription;
+import com.fasterxml.jackson.databind.DeserializationConfig;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JavaType;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import com.fasterxml.jackson.databind.KeyDeserializer;
+import com.fasterxml.jackson.databind.deser.BeanDeserializerModifier;
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.NoSuchElementException;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.YangToolsMapperHelper;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.serialize.BaseIdentityDeserializer;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.serialize.ClassDeserializer;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.serialize.IdentifierDeserializer;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.serialize.TypeObjectDeserializer;
+import org.opendaylight.yangtools.yang.binding.BaseIdentity;
+import org.opendaylight.yangtools.yang.binding.Identifier;
+import org.opendaylight.yangtools.yang.binding.ScalarTypeObject;
+import org.opendaylight.yangtools.yang.binding.TypeObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class YangToolsDeserializerModifier extends BeanDeserializerModifier {
+
+    private static final Logger LOG = LoggerFactory.getLogger(YangToolsDeserializerModifier.class);
+    private static final String getEnumMethodName="valueOf";
+
+    @Override
+    public JsonDeserializer<Enum<?>> modifyEnumDeserializer(DeserializationConfig config, final JavaType type,
+            BeanDescription beanDesc, final JsonDeserializer<?> deserializer) {
+        return new JsonDeserializer<Enum<?>>() {
+
+            @Override
+            public Enum<?> deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
+                Class<?> clazz = type.getRawClass();
+
+                try {
+                    Method method = clazz.getDeclaredMethod(getEnumMethodName, String.class);
+                    Enum<?> result = (Enum<?>) method.invoke(null, jp.getValueAsString());
+                    LOG.debug("Deserialize '{}' with class '{}' to '{}'", jp.getValueAsString(), clazz.getName(), result);
+                    return result;
+                } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException
+                        | NoSuchMethodException | NoSuchElementException | SecurityException e) {
+                    LOG.warn("problem deserializing enum for {} with value {}: {}", clazz.getName(),
+                            jp.getValueAsString(), e);
+                }
+                throw new IOException(
+                        "unable to parse enum (" + type.getRawClass() + ")for value " + jp.getValueAsString());
+            }
+        };
+    }
+
+    @Override
+    public JsonDeserializer<?> modifyDeserializer(DeserializationConfig config, BeanDescription beanDesc,
+            JsonDeserializer<?> deserializer) {
+        final JavaType type = beanDesc.getType();
+        final Class<?> rawClass = type.getRawClass();
+
+        JsonDeserializer<?> deser = super.modifyDeserializer(config, beanDesc, deserializer);
+
+        if (YangToolsMapperHelper.implementsInterface(rawClass, TypeObject.class)) {
+            deser = new TypeObjectDeserializer<TypeObject>(type, deser);
+        } else if (YangToolsMapperHelper.implementsInterface(rawClass, ScalarTypeObject.class)) {
+            deser = new TypeObjectDeserializer<ScalarTypeObject<?>>(type, deser);
+        } else if (YangToolsMapperHelper.implementsInterface(rawClass, BaseIdentity.class)) {
+            deser = new BaseIdentityDeserializer<BaseIdentity>(deser);
+        } else if (rawClass.equals(Class.class)) {
+            deser = new ClassDeserializer(rawClass);
+        }
+
+        LOG.debug("Deserialize '{}' with deserializer '{}'", rawClass.getName(), deser.getClass().getName());
+        return deser;
+    }
+
+    @Override
+    public KeyDeserializer modifyKeyDeserializer(DeserializationConfig config, JavaType type, KeyDeserializer deser) {
+        KeyDeserializer res;
+        if (YangToolsMapperHelper.implementsInterface(type.getRawClass(), Identifier.class)) {
+            res = new IdentifierDeserializer();
+        } else {
+            res = super.modifyKeyDeserializer(config, type, deser);
+        }
+        LOG.debug("Keydeserialize '{}' with deserializer '{}'", type.getRawClass().getName(), res.getClass().getName());
+        return res;
+    }
+}
diff --git a/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/mapperextensions/YangToolsModule.java b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/mapperextensions/YangToolsModule.java
new file mode 100644
index 000000000..02628dc16
--- /dev/null
+++ b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/mapperextensions/YangToolsModule.java
@@ -0,0 +1,50 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.yang.mapper.mapperextensions;
+
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import java.util.Map;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.serialize.DateAndTimeSerializer;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.serialize.EnumSerializer;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.serialize.MapSerializer;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.serialize.TypeObjectSerializer;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
+import org.opendaylight.yangtools.yang.binding.ScalarTypeObject;
+import org.opendaylight.yangtools.yang.binding.TypeObject;
+
+public class YangToolsModule extends SimpleModule {
+
+    private static final long serialVersionUID = 1L;
+
+    public YangToolsModule() {
+        super();
+        setDeserializerModifier(new YangToolsDeserializerModifier());
+
+        addSerializer(DateAndTime.class, new DateAndTimeSerializer());
+        addSerializer(TypeObject.class, new TypeObjectSerializer());
+        addSerializer(ScalarTypeObject.class, new TypeObjectSerializer());
+        addSerializer(Enum.class, new EnumSerializer());
+        addSerializer(Map.class, new MapSerializer());
+
+    }
+
+}
diff --git a/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/BaseIdentityDeserializer.java b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/BaseIdentityDeserializer.java
new file mode 100644
index 000000000..f85f80e2c
--- /dev/null
+++ b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/BaseIdentityDeserializer.java
@@ -0,0 +1,64 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.yang.mapper.serialize;
+
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import java.io.IOException;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.YangToolsMapperHelper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class BaseIdentityDeserializer<T> extends JsonDeserializer<T> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(BaseIdentityDeserializer.class);
+    private final JsonDeserializer<?> deser;
+
+    public BaseIdentityDeserializer(final JsonDeserializer<?> deser) {
+        this.deser = deser;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public T deserialize(JsonParser parser, DeserializationContext ctxt) throws IOException, JsonProcessingException {
+        LOG.debug("BaseIdentityDeserializer class for '{}'",parser.getValueAsString());
+        String clazzToSearch = parser.getValueAsString();
+        // clazz from Elasticsearch is full qualified
+        int lastDot = clazzToSearch.lastIndexOf(".");
+        if (lastDot > -1) {
+            clazzToSearch = clazzToSearch.substring(lastDot+1);
+        } else {
+            clazzToSearch = clazzToSearch.substring(0, 1).toUpperCase() + clazzToSearch.substring(1);
+        }
+        Class<?> clazz;
+        try {
+            clazz = YangToolsMapperHelper.findClass(clazzToSearch);
+            if (clazz != null)
+                return (T)clazz;
+        } catch (ClassNotFoundException e) {
+            LOG.warn("BaseIdentityDeserializer class not found for '"+parser.getValueAsString()+"'",e);
+        }
+        return (T) deser.deserialize(parser, ctxt);
+    }
+}
diff --git a/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/ClassDeserializer.java b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/ClassDeserializer.java
new file mode 100644
index 000000000..9d221f504
--- /dev/null
+++ b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/ClassDeserializer.java
@@ -0,0 +1,45 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.yang.mapper.serialize;
+
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.deser.std.FromStringDeserializer;
+import java.io.IOException;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.YangToolsMapperHelper;
+
+public class ClassDeserializer extends FromStringDeserializer<Class<?>> {
+
+    private static final long serialVersionUID = 1L;
+
+    public ClassDeserializer(Class<?> vc) {
+        super(vc);
+    }
+
+    @Override
+    protected Class<?> _deserialize(String value, DeserializationContext ctxt) throws IOException {
+        try {
+            return YangToolsMapperHelper.findClass(value);
+        } catch (ClassNotFoundException e) {
+            throw new IOException("Can not find class "+value,e);
+        }
+    }
+}
diff --git a/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/DateAndTimeSerializer.java b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/DateAndTimeSerializer.java
new file mode 100644
index 000000000..f4fd87580
--- /dev/null
+++ b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/DateAndTimeSerializer.java
@@ -0,0 +1,51 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.yang.mapper.serialize;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import com.fasterxml.jackson.databind.ser.std.StdSerializer;
+import java.io.IOException;
+import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
+
+/**
+ * DateAndTime shouldn't be encapsulated into a json object to be able to use elasticsearch date time query functions.
+ */
+public class DateAndTimeSerializer extends StdSerializer<@NonNull DateAndTime> {
+
+    private static final long serialVersionUID = 1L;
+
+    public DateAndTimeSerializer() {
+        this(null);
+    }
+
+    protected DateAndTimeSerializer(Class<DateAndTime> t) {
+        super(t);
+    }
+
+    @Override
+    public void serialize(DateAndTime value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
+        gen.writeString(value.getValue());
+    }
+
+}
diff --git a/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/EnumSerializer.java b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/EnumSerializer.java
new file mode 100644
index 000000000..55a20d6c0
--- /dev/null
+++ b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/EnumSerializer.java
@@ -0,0 +1,36 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.yang.mapper.serialize;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.JsonSerializer;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import java.io.IOException;
+
+@SuppressWarnings("rawtypes")
+public class EnumSerializer extends JsonSerializer<Enum> {
+
+    @Override
+    public void serialize(Enum value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
+        gen.writeString(value.name());
+    }
+}
diff --git a/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/IdentifierDeserializer.java b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/IdentifierDeserializer.java
new file mode 100644
index 000000000..6c4c25eb1
--- /dev/null
+++ b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/IdentifierDeserializer.java
@@ -0,0 +1,71 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.yang.mapper.serialize;
+
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.KeyDeserializer;
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.util.List;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.YangToolsMapperHelper;
+import org.opendaylight.yangtools.yang.common.Uint16;
+import org.opendaylight.yangtools.yang.common.Uint32;
+import org.opendaylight.yangtools.yang.common.Uint64;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class IdentifierDeserializer extends KeyDeserializer {
+
+    private static final Logger LOG = LoggerFactory.getLogger(IdentifierDeserializer.class);
+
+    public IdentifierDeserializer() {}
+
+    @Override
+    public Object deserializeKey(String key, DeserializationContext ctxt) throws IOException {
+        Class<?> clazz = ctxt.getClass();
+        final String arg = key;
+        LOG.debug("Deserialization for key:{}",key);
+        // find constructor argument types
+        List<Class<?>> ctypes = YangToolsMapperHelper.getConstructorParameterTypes(clazz, String.class);
+        for (Class<?> ctype : ctypes) {
+            try {
+                if (ctype.equals(String.class)) {
+                    return clazz.getConstructor(ctype).newInstance(arg);
+                } else if (ctype.equals(Uint16.class)) {
+                    return clazz.getConstructor(ctype).newInstance(Uint16.valueOf(arg));
+
+                } else if (ctype.equals(Uint32.class)) {
+                    return clazz.getConstructor(ctype).newInstance(Uint32.valueOf(arg));
+                } else if (ctype.equals(Uint64.class)) {
+                    return clazz.getConstructor(ctype).newInstance(Uint64.valueOf(arg));
+                }
+            } catch (InstantiationException | IllegalAccessException | IllegalArgumentException
+                    | InvocationTargetException | NoSuchMethodException | SecurityException e) {
+                LOG.warn("unable to instantiate class {} with arg {}: ", clazz, arg, e);
+                throw new IllegalArgumentException(
+                        "unable to instantiate class " + clazz.getName() + " with arg '" + arg + "' ", e);
+            }
+        }
+        return null;
+    }
+
+}
diff --git a/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/MapSerializer.java b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/MapSerializer.java
new file mode 100644
index 000000000..63689c098
--- /dev/null
+++ b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/MapSerializer.java
@@ -0,0 +1,37 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.yang.mapper.serialize;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.JsonSerializer;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import java.io.IOException;
+import java.util.Map;
+
+@SuppressWarnings("rawtypes")
+public class MapSerializer extends JsonSerializer<Map> {
+
+        @Override
+        public void serialize(Map value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
+            gen.writeObject(value.values());
+        }
+}
diff --git a/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/TypeObjectDeserializer.java b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/TypeObjectDeserializer.java
new file mode 100644
index 000000000..b857a2ffb
--- /dev/null
+++ b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/TypeObjectDeserializer.java
@@ -0,0 +1,87 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.yang.mapper.serialize;
+
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JavaType;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.util.NoSuchElementException;
+import java.util.Optional;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.YangToolsMapperHelper;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class TypeObjectDeserializer<T> extends JsonDeserializer<T> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(TypeObjectDeserializer.class);
+    private final JavaType type;
+    private final JsonDeserializer<?> deser;
+
+
+    public TypeObjectDeserializer(final JavaType type, final JsonDeserializer<?> deser) {
+        this.type = type;
+        this.deser = deser;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public T deserialize(JsonParser parser, DeserializationContext ctxt) throws IOException, JsonProcessingException {
+
+        Class<T> clazz = (Class<T>) type.getRawClass();
+        final String arg = parser.getValueAsString();
+        LOG.debug("Try to build arg:'{}' with class {}",arg, clazz);
+        Optional<T> oRes = Optional.empty();
+        try {
+            //try get method for default instance
+            if ((oRes = YangToolsMapperHelper.getDefaultInstance(clazz, arg)).isEmpty()) {
+                //try to find builder with getDefaultInstance method
+                Optional<Class<Builder<?>>> oBuilderClazz = YangToolsMapperHelper.findBuilderClassOptional(ctxt, clazz);
+                LOG.debug("Try builder class present:{}",oBuilderClazz.isPresent());
+                if (oBuilderClazz.isEmpty()
+                        || ((oRes = YangToolsMapperHelper.getDefaultInstance(oBuilderClazz.get(), arg)).isEmpty())) {
+                    //try to find constructor with string
+                    LOG.debug("Try constructor");
+                    if ((oRes = YangToolsMapperHelper.getInstanceByConstructor(clazz, arg)).isEmpty()) {
+                        //forward to standard deserializer or throw if not available
+                        LOG.debug("Try default deserializer");
+                        oRes = Optional.of((T) deser.deserialize(parser, ctxt));
+                    }
+                }
+            }
+            LOG.debug("Deserialize string value:{} for class:{} success:{}", arg, clazz, oRes.isPresent());
+        } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException | NoSuchMethodException
+                | NoSuchElementException | SecurityException | InstantiationException e) {
+            LOG.warn("problem deserializing {} with value {}: {}", clazz.getName(), arg, e);
+        }
+        if (oRes.isPresent()) {
+            return oRes.get();
+        } else {
+            throw new IllegalArgumentException("Could not find constructor for arg:'" + arg + "' and class: " + clazz);
+        }
+    }
+
+}
diff --git a/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/TypeObjectSerializer.java b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/TypeObjectSerializer.java
new file mode 100644
index 000000000..b43e6c100
--- /dev/null
+++ b/sdnr/wt/common-yang/utils/src/main/java/org/onap/ccsdk/features/sdnr/wt/yang/mapper/serialize/TypeObjectSerializer.java
@@ -0,0 +1,52 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.yang.mapper.serialize;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.JsonSerializer;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import org.opendaylight.yangtools.yang.binding.TypeObject;
+
+public class TypeObjectSerializer extends JsonSerializer<TypeObject> {
+
+    @Override
+    public void serialize(TypeObject value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
+        //stringValue
+        Method[] methods = value.getClass().getDeclaredMethods();
+        String name;
+        for (Method method : methods) {
+            name = method.getName();
+            if (method.getParameterCount()==0 && (name.equals("stringValue") || name.equals("getValue"))) {
+                try {
+                    gen.writeString((String)method.invoke(value));
+                    break;
+                } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException
+                        | IOException e) {
+                    throw new IOException("No String getter method supported TypeObject for "+value.getClass(),e);
+                }
+            }
+        }
+    }
+}