Add decision models

Adding various decision models and their
serialization handler classes

Issue-ID: POLICY-1440
Change-Id: I35abfd9745a86b822f658ec3a512b7355cabf068
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>

6 files changed, 271 insertions, 0 deletions

diff --git a/models-decisions/pom.xml b/models-decisions/pom.xml
new file mode 100644
index 000000000..230c5e490
--- /dev/null
+++ b/models-decisions/pom.xml
@@ -0,0 +1,41 @@
+<!--
+  ============LICENSE_START=======================================================
+   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=========================================================
+-->
+
+<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.models</groupId>
+        <artifactId>policy-models</artifactId>
+        <version>2.0.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>models-decisions</artifactId>
+
+    <name>${project.artifactId}</name>
+    <description>The models for Policy Decision API's.</description>
+    <dependencies>
+        <dependency>
+            <groupId>org.onap.policy.common</groupId>
+            <artifactId>gson</artifactId>
+            <version>${policy.common.version}</version>
+        </dependency>
+    </dependencies>
+</project>
diff --git a/models-decisions/src/main/java/org/onap/policy/models/decisions/concepts/DecisionRequest.java b/models-decisions/src/main/java/org/onap/policy/models/decisions/concepts/DecisionRequest.java
new file mode 100644
index 000000000..94c9c9585
--- /dev/null
+++ b/models-decisions/src/main/java/org/onap/policy/models/decisions/concepts/DecisionRequest.java
@@ -0,0 +1,51 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP Policy Decision Models
+ * ================================================================================
+ * Copyright (C) 2019 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=========================================================
+ */
+
+package org.onap.policy.models.decisions.concepts;
+
+import com.google.gson.annotations.SerializedName;
+
+import java.util.Map;
+
+import lombok.Data;
+
+/**
+ * This class is for a Decision Request to a Decision PDP Engine.
+ *
+ * @author pameladragosh
+ *
+ */
+@Data
+public class DecisionRequest {
+    @SerializedName("ONAPName")
+    private String  onapName;
+
+    @SerializedName("ONAPComponent")
+    private String  onapComponent;
+
+    @SerializedName("ONAPInstance")
+    private String  onapInstance;
+
+    @SerializedName("action")
+    private String  action;
+
+    @SerializedName("resource")
+    private Map<String, Object> resource;
+}
diff --git a/models-decisions/src/main/java/org/onap/policy/models/decisions/concepts/DecisionResponse.java b/models-decisions/src/main/java/org/onap/policy/models/decisions/concepts/DecisionResponse.java
new file mode 100644
index 000000000..b265fe4fb
--- /dev/null
+++ b/models-decisions/src/main/java/org/onap/policy/models/decisions/concepts/DecisionResponse.java
@@ -0,0 +1,39 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP Policy Decision Models
+ * ================================================================================
+ * Copyright (C) 2019 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=========================================================
+ */
+
+package org.onap.policy.models.decisions.concepts;
+
+import java.util.List;
+import java.util.Map;
+
+import lombok.Data;
+
+/**
+ * Generic class for handling Decision Response objects.
+ *
+ * @author pameladragosh
+ *
+ */
+@Data
+public class DecisionResponse {
+
+    private String  errorMessage;
+    private List<Map<String, Object>> policies;
+}
diff --git a/models-decisions/src/main/java/org/onap/policy/models/decisions/serialization/DecisionRequestMessageBodyHandler.java b/models-decisions/src/main/java/org/onap/policy/models/decisions/serialization/DecisionRequestMessageBodyHandler.java
new file mode 100644
index 000000000..9e4438b39
--- /dev/null
+++ b/models-decisions/src/main/java/org/onap/policy/models/decisions/serialization/DecisionRequestMessageBodyHandler.java
@@ -0,0 +1,53 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP Policy Decision Models
+ * ================================================================================
+ * Copyright (C) 2019 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=========================================================
+ */
+
+package org.onap.policy.models.decisions.serialization;
+
+import com.google.gson.GsonBuilder;
+
+import org.onap.policy.common.gson.GsonMessageBodyHandler;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+/**
+ * Handles parsing DecisionRequests.
+ *
+ * @author pameladragosh
+ *
+ */
+public class DecisionRequestMessageBodyHandler extends GsonMessageBodyHandler {
+
+    public static final Logger logger = LoggerFactory.getLogger(DecisionRequestMessageBodyHandler.class);
+
+    /**
+     * Empty constructor.
+     */
+    public DecisionRequestMessageBodyHandler() {
+        this(new GsonBuilder());
+
+        logger.info("Using GSON with DecisionRequest for REST calls");
+    }
+
+    public DecisionRequestMessageBodyHandler(GsonBuilder builder) {
+        super(builder.create());
+    }
+}
diff --git a/models-decisions/src/main/java/org/onap/policy/models/decisions/serialization/DecisionResponseMessageBodyHandler.java b/models-decisions/src/main/java/org/onap/policy/models/decisions/serialization/DecisionResponseMessageBodyHandler.java
new file mode 100644
index 000000000..5d1195e67
--- /dev/null
+++ b/models-decisions/src/main/java/org/onap/policy/models/decisions/serialization/DecisionResponseMessageBodyHandler.java
@@ -0,0 +1,46 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP Policy Decision Models
+ * ================================================================================
+ * Copyright (C) 2019 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=========================================================
+ */
+
+package org.onap.policy.models.decisions.serialization;
+
+import com.google.gson.GsonBuilder;
+
+import org.onap.policy.common.gson.GsonMessageBodyHandler;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class DecisionResponseMessageBodyHandler extends GsonMessageBodyHandler {
+
+    public static final Logger logger = LoggerFactory.getLogger(DecisionResponseMessageBodyHandler.class);
+
+    /**
+     * Empty constructor.
+     */
+    public DecisionResponseMessageBodyHandler() {
+        this(new GsonBuilder());
+
+        logger.info("Using GSON with DecisionResponse for REST calls");
+    }
+
+    public DecisionResponseMessageBodyHandler(GsonBuilder builder) {
+        super(builder.create());
+    }
+}
diff --git a/models-decisions/src/test/java/org/onap/policy/models/decisions/concepts/TestModels.java b/models-decisions/src/test/java/org/onap/policy/models/decisions/concepts/TestModels.java
new file mode 100644
index 000000000..25b1016b2
--- /dev/null
+++ b/models-decisions/src/test/java/org/onap/policy/models/decisions/concepts/TestModels.java
@@ -0,0 +1,41 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP Policy Decision Models
+ * ================================================================================
+ * Copyright (C) 2019 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=========================================================
+ */
+
+package org.onap.policy.models.decisions.concepts;
+
+import com.openpojo.reflection.filters.FilterPackageInfo;
+import com.openpojo.validation.Validator;
+import com.openpojo.validation.ValidatorBuilder;
+import com.openpojo.validation.test.impl.GetterTester;
+import com.openpojo.validation.test.impl.SetterTester;
+
+import org.junit.Test;
+import org.onap.policy.common.utils.validation.ToStringTester;
+
+public class TestModels {
+
+    @Test
+    public void testDecisionModels() {
+        final Validator validator = ValidatorBuilder.create().with(new ToStringTester()).with(new SetterTester())
+                .with(new GetterTester()).build();
+        validator.validate(TestModels.class.getPackage().getName(), new FilterPackageInfo());
+    }
+
+}