migrate model-impl from drools-applications

migrate controlloop/common/model-impl from drools-applicaitons to
policy/models

Issue-ID: POLICY-1264
Change-Id: Ibe0bb5c49a7b1344f4104b30455f52834041e187
Signed-off-by: Hengye <yehui.wang@est.tech>

15 files changed, 1654 insertions, 0 deletions

diff --git a/models-interactions/model-impl/appc/pom.xml b/models-interactions/model-impl/appc/pom.xml
new file mode 100644
index 000000000..7b01902d6
--- /dev/null
+++ b/models-interactions/model-impl/appc/pom.xml
@@ -0,0 +1,47 @@
+<!--
+  ============LICENSE_START=======================================================
+  appc
+  ================================================================================
+  Copyright (C) 2017-2018 AT&T Intellectual Property. 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.
+  ============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.policy-models-interactions.model-impl</groupId>
+    <artifactId>model-impl</artifactId>
+    <version>2.0.0-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>appc</artifactId>
+
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.google.code.gson</groupId>
+      <artifactId>gson</artifactId>
+      <scope>provided</scope>
+    </dependency>
+  </dependencies>
+  
+</project>
diff --git a/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/CommonHeader.java b/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/CommonHeader.java
new file mode 100644
index 000000000..964af37d2
--- /dev/null
+++ b/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/CommonHeader.java
@@ -0,0 +1,217 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * appc
+ * ================================================================================
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.appc;
+
+import com.google.gson.annotations.SerializedName;
+
+import java.io.Serializable;
+import java.time.Instant;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Map;
+import java.util.UUID;
+
+public class CommonHeader implements Serializable {
+    private static final long serialVersionUID = -3581658269910980336L;
+
+    @SerializedName("TimeStamp")
+    private Instant timeStamp = Instant.now();
+
+    @SerializedName("APIver")
+    private String apiVer = "1.01";
+
+    @SerializedName("OriginatorID")
+    private String originatorId;
+
+    @SerializedName("RequestID")
+    private UUID requestId;
+
+    @SerializedName("SubRequestID")
+    private String subRequestId;
+
+    @SerializedName("RequestTrack")
+    private Collection<String> requestTrack = new ArrayList<>();
+
+    @SerializedName("Flags")
+    private Collection<Map<String, String>> flags = new ArrayList<>();
+
+    public CommonHeader() {}
+
+    /**
+     * Construct an instance from an existing instance.
+     * 
+     * @param commonHeader the existing instance
+     */
+    public CommonHeader(CommonHeader commonHeader) {
+        this.originatorId = commonHeader.originatorId;
+        this.requestId = commonHeader.requestId;
+        this.subRequestId = commonHeader.subRequestId;
+        if (commonHeader.requestTrack != null) {
+            this.requestTrack.addAll(commonHeader.requestTrack);
+        }
+        if (commonHeader.flags != null) {
+            this.flags.addAll(commonHeader.flags);
+        }
+    }
+
+    public Instant getTimeStamp() {
+        return timeStamp;
+    }
+
+    public void setTimeStamp(Instant timeStamp) {
+        this.timeStamp = timeStamp;
+    }
+
+    public String getApiVer() {
+        return apiVer;
+    }
+
+    public void setApiVer(String apiVer) {
+        this.apiVer = apiVer;
+    }
+
+    public String getOriginatorId() {
+        return originatorId;
+    }
+
+    public void setOriginatorId(String originatorId) {
+        this.originatorId = originatorId;
+    }
+
+    public UUID getRequestId() {
+        return requestId;
+    }
+
+    public void setRequestId(UUID requestId) {
+        this.requestId = requestId;
+    }
+
+    public String getSubRequestId() {
+        return subRequestId;
+    }
+
+    public void setSubRequestId(String subRequestId) {
+        this.subRequestId = subRequestId;
+    }
+
+    public Collection<String> getRequestTrack() {
+        return requestTrack;
+    }
+
+    public void setRequestTrack(Collection<String> requestTrack) {
+        this.requestTrack = requestTrack;
+    }
+
+    public Collection<Map<String, String>> getFlags() {
+        return flags;
+    }
+
+    public void setFlags(Collection<Map<String, String>> flags) {
+        this.flags = flags;
+    }
+
+    @Override
+    public String toString() {
+        return "CommonHeader [TimeStamp=" + timeStamp + ", APIver=" + apiVer + ", OriginatorId=" + originatorId
+                + ", RequestId=" + requestId + ", SubrequestId=" + subRequestId + ", RequestTrack=" + requestTrack
+                + ", Flags=" + flags + "]";
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((apiVer == null) ? 0 : apiVer.hashCode());
+        result = prime * result + ((flags == null) ? 0 : flags.hashCode());
+        result = prime * result + ((originatorId == null) ? 0 : originatorId.hashCode());
+        result = prime * result + ((requestId == null) ? 0 : requestId.hashCode());
+        result = prime * result + ((requestTrack == null) ? 0 : requestTrack.hashCode());
+        result = prime * result + ((subRequestId == null) ? 0 : subRequestId.hashCode());
+        result = prime * result + ((timeStamp == null) ? 0 : timeStamp.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        CommonHeader other = (CommonHeader) obj;
+        if (apiVer == null) {
+            if (other.apiVer != null) {
+                return false;
+            }
+        } else if (!apiVer.equals(other.apiVer)) {
+            return false;
+        }
+        if (flags == null) {
+            if (other.flags != null) {
+                return false;
+            }
+        } else if (!flags.equals(other.flags)) {
+            return false;
+        }
+        if (originatorId == null) {
+            if (other.originatorId != null) {
+                return false;
+            }
+        } else if (!originatorId.equals(other.originatorId)) {
+            return false;
+        }
+        if (requestId == null) {
+            if (other.requestId != null) {
+                return false;
+            }
+        } else if (!requestId.equals(other.requestId)) {
+            return false;
+        }
+        if (requestTrack == null) {
+            if (other.requestTrack != null) {
+                return false;
+            }
+        } else if (!requestTrack.equals(other.requestTrack)) {
+            return false;
+        }
+        if (subRequestId == null) {
+            if (other.subRequestId != null) {
+                return false;
+            }
+        } else if (!subRequestId.equals(other.subRequestId)) {
+            return false;
+        }
+        if (timeStamp == null) {
+            if (other.timeStamp != null) {
+                return false;
+            }
+        } else if (!timeStamp.equals(other.timeStamp)) {
+            return false;
+        }
+        return true;
+    }
+
+}
diff --git a/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/Request.java b/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/Request.java
new file mode 100644
index 000000000..7f1574624
--- /dev/null
+++ b/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/Request.java
@@ -0,0 +1,166 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * appc
+ * ================================================================================
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.appc;
+
+import com.google.gson.annotations.SerializedName;
+
+import java.io.Serializable;
+import java.util.HashMap;
+import java.util.Map;
+
+public class Request implements Serializable {
+    private static final long serialVersionUID = -3912323643990646431L;
+
+    @SerializedName("CommonHeader")
+    private CommonHeader commonHeader;
+
+    @SerializedName("Action")
+    private String action;
+
+    @SerializedName("TargetID")
+    private String targetId;
+
+    @SerializedName("ObjectID")
+    private String objectId;
+
+    @SerializedName("Payload")
+    private HashMap<String, Object> payload = new HashMap<>();
+
+    public Request() {
+        // Initiate an empty Request instance
+    }
+
+    public CommonHeader getCommonHeader() {
+        return commonHeader;
+    }
+
+    public Map<String, Object> getPayload() {
+        return payload;
+    }
+
+    public String getAction() {
+        return action;
+    }
+
+    public void setAction(String action) {
+        this.action = action;
+    }
+
+    public String getTargetId() {
+        return targetId;
+    }
+
+    public void setTargetId(String targetId) {
+        this.targetId = targetId;
+    }
+
+    public String getObjectId() {
+        return objectId;
+    }
+
+    public void setObjectId(String objectId) {
+        this.objectId = objectId;
+    }
+
+    public void setCommonHeader(CommonHeader commonHeader) {
+        this.commonHeader = commonHeader;
+    }
+
+    public void setPayload(Map<String, Object> payload) {
+        this.payload = new HashMap<>(payload);
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((action == null) ? 0 : action.hashCode());
+        result = prime * result + ((commonHeader == null) ? 0 : commonHeader.hashCode());
+        result = prime * result + ((objectId == null) ? 0 : objectId.hashCode());
+        result = prime * result + ((payload == null) ? 0 : payload.hashCode());
+        result = prime * result + ((targetId == null) ? 0 : targetId.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+
+        Request other = (Request) obj;
+        if (action == null) {
+            if (other.action != null) {
+                return false;
+            }
+        } else if (!action.equals(other.action)) {
+            return false;
+        }
+
+        if (commonHeader == null) {
+            if (other.commonHeader != null) {
+                return false;
+            }
+        } else if (!commonHeader.equals(other.commonHeader)) {
+            return false;
+        }
+
+        if (objectId == null) {
+            if (other.objectId != null) {
+                return false;
+            }
+        } else if (!objectId.equals(other.objectId)) {
+            return false;
+        }
+
+        if (payload == null) {
+            if (other.payload != null) {
+                return false;
+            }
+        } else if (!payload.equals(other.payload)) {
+            return false;
+        }
+
+        if (targetId == null) {
+            if (other.targetId != null) {
+                return false;
+            }
+        } else if (!targetId.equals(other.targetId)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        return "Request [CommonHeader=" + commonHeader + ", Action=" + action + ", TargetId=" + targetId + ", ObjectId="
+                + objectId + ", Payload=" + payload + "]";
+    }
+
+}
diff --git a/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/Response.java b/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/Response.java
new file mode 100644
index 000000000..f24c84045
--- /dev/null
+++ b/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/Response.java
@@ -0,0 +1,137 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * appc
+ * ================================================================================
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.appc;
+
+import com.google.gson.annotations.SerializedName;
+
+import java.io.Serializable;
+import java.util.HashMap;
+import java.util.Map;
+
+public class Response implements Serializable {
+    private static final long serialVersionUID = 434953706339865151L;
+
+    @SerializedName("CommonHeader")
+    private CommonHeader commonHeader;
+
+    @SerializedName("Status")
+    private ResponseStatus status = new ResponseStatus();
+
+    @SerializedName("Payload")
+    private HashMap<String, Object> payload = new HashMap<>();
+
+    public Response() {
+
+    }
+
+    /**
+     * Construct an instance from an existing instance.
+     * 
+     * @param request the existing instance
+     */
+    public Response(Request request) {
+        if (request.getCommonHeader() != null) {
+            this.commonHeader = new CommonHeader(request.getCommonHeader());
+        }
+        if (request.getPayload() != null) {
+            this.payload.putAll(request.getPayload());
+        }
+    }
+
+    public CommonHeader getCommonHeader() {
+        return commonHeader;
+    }
+
+    public void setCommonHeader(CommonHeader commonHeader) {
+        this.commonHeader = commonHeader;
+    }
+
+    public ResponseStatus getStatus() {
+        return status;
+    }
+
+    public void setStatus(ResponseStatus status) {
+        this.status = status;
+    }
+
+    public Map<String, Object> getPayload() {
+        return payload;
+    }
+
+    public void setPayload(Map<String, Object> payload) {
+        this.payload = new HashMap<>(payload);
+    }
+
+    @Override
+    public String toString() {
+        return "Response [CommonHeader=" + commonHeader + ", Status=" + status + ", Payload=" + payload + "]";
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((commonHeader == null) ? 0 : commonHeader.hashCode());
+        result = prime * result + ((payload == null) ? 0 : payload.hashCode());
+        result = prime * result + ((status == null) ? 0 : status.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        Response other = (Response) obj;
+        if (commonHeader == null) {
+            if (other.commonHeader != null) {
+                return false;
+            }
+        } else if (!commonHeader.equals(other.commonHeader)) {
+            return false;
+        }
+        if (payload == null) {
+            if (other.payload != null) {
+                return false;
+            }
+        } else if (!payload.equals(other.payload)) {
+            return false;
+        }
+        if (status == null) {
+            if (other.status != null) {
+                return false;
+            }
+        } else if (!status.equals(other.status)) {
+            return false;
+        }
+        return true;
+    }
+
+
+
+}
diff --git a/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/ResponseCode.java b/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/ResponseCode.java
new file mode 100644
index 000000000..48f5182bd
--- /dev/null
+++ b/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/ResponseCode.java
@@ -0,0 +1,69 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * appc
+ * ================================================================================
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.appc;
+
+import com.google.gson.annotations.SerializedName;
+
+public enum ResponseCode {
+    ACCEPT(100), ERROR(200), REJECT(300), SUCCESS(400), FAILURE(500);
+
+    @SerializedName("Code")
+    private Integer code;
+
+    private ResponseCode(int code) {
+        this.code = code;
+    }
+
+    public int getValue() {
+        return this.code;
+    }
+
+    @Override
+    public String toString() {
+        return Integer.toString(this.code);
+    }
+
+    /**
+     * Convert an integer code to a ResponseCode.
+     * 
+     * @param code the integer code
+     * @return the ResponseCode
+     */
+    public static ResponseCode toResponseCode(int code) {
+        if (code == ACCEPT.code) {
+            return ACCEPT;
+        }
+        if (code == ERROR.code) {
+            return ERROR;
+        }
+        if (code == REJECT.code) {
+            return REJECT;
+        }
+        if (code == SUCCESS.code) {
+            return SUCCESS;
+        }
+        if (code == FAILURE.code) {
+            return FAILURE;
+        }
+        return null;
+    }
+}
diff --git a/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/ResponseStatus.java b/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/ResponseStatus.java
new file mode 100644
index 000000000..566115081
--- /dev/null
+++ b/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/ResponseStatus.java
@@ -0,0 +1,111 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * appc
+ * ================================================================================
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.appc;
+
+import com.google.gson.annotations.SerializedName;
+
+import java.io.Serializable;
+
+public class ResponseStatus implements Serializable {
+    private static final long serialVersionUID = 2421770469587860452L;
+
+    @SerializedName("Code")
+    private int code;
+
+    @SerializedName("Value")
+    private String value;
+
+    @SerializedName("Description")
+    private String description;
+
+    @Override
+    public String toString() {
+        return "ResponseStatus [Code=" + code + ", Value=" + value + ", Description=" + description + "]";
+    }
+
+    public int getCode() {
+        return code;
+    }
+
+    public void setCode(int code) {
+        this.code = code;
+    }
+
+    public String getValue() {
+        return value;
+    }
+
+    public void setValue(String value) {
+        this.value = value;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + code;
+        result = prime * result + ((description == null) ? 0 : description.hashCode());
+        result = prime * result + ((value == null) ? 0 : value.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        ResponseStatus other = (ResponseStatus) obj;
+        if (code != other.code) {
+            return false;
+        }
+        if (description == null) {
+            if (other.description != null) {
+                return false;
+            }
+        } else if (!description.equals(other.description)) {
+            return false;
+        }
+        if (value == null) {
+            if (other.value != null) {
+                return false;
+            }
+        } else if (!value.equals(other.value)) {
+            return false;
+        }
+        return true;
+    }
+
+}
diff --git a/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/ResponseValue.java b/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/ResponseValue.java
new file mode 100644
index 000000000..ef93fd2c8
--- /dev/null
+++ b/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/ResponseValue.java
@@ -0,0 +1,71 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * appc
+ * ================================================================================
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.appc;
+
+import com.google.gson.annotations.SerializedName;
+
+public enum ResponseValue {
+    ACCEPT("ACCEPT"), ERROR("ERROR"), REJECT("REJECT"), SUCCESS("SUCCESS"), FAILURE("FAILURE");
+
+    @SerializedName("Value")
+    private String value;
+
+    private ResponseValue(String value) {
+        this.value = value;
+    }
+
+    @Override
+    public String toString() {
+        return this.value;
+    }
+
+    /**
+     * Convert a String value to a ResponseValue.
+     * 
+     * @param value the String value
+     * @return the ResponseValue
+     */
+    public static ResponseValue toResponseValue(String value) {
+        if (value == null) {
+            return null;
+        }
+
+        if (value.equals(ACCEPT.toString())) {
+            return ACCEPT;
+        }
+        if (value.equals(ERROR.toString())) {
+            return ERROR;
+        }
+        if (value.equals(REJECT.toString())) {
+            return REJECT;
+        }
+        if (value.equals(SUCCESS.toString())) {
+            return SUCCESS;
+        }
+        if (value.equals(FAILURE.toString())) {
+            return FAILURE;
+        }
+
+        return null;
+    }
+
+}
diff --git a/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/util/Serialization.java b/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/util/Serialization.java
new file mode 100644
index 000000000..473c5df20
--- /dev/null
+++ b/models-interactions/model-impl/appc/src/main/java/org/onap/policy/appc/util/Serialization.java
@@ -0,0 +1,86 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * appc
+ * ================================================================================
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.appc.util;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonDeserializationContext;
+import com.google.gson.JsonDeserializer;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonPrimitive;
+import com.google.gson.JsonSerializationContext;
+import com.google.gson.JsonSerializer;
+
+import java.lang.reflect.Type;
+import java.time.Instant;
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public final class Serialization {
+    public static final DateTimeFormatter format = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSSSSSxxx");
+
+    public static final Gson gsonPretty = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting()
+            .registerTypeAdapter(ZonedDateTime.class, new GsonUtcAdapter())
+            .registerTypeAdapter(Instant.class, new GsonInstantAdapter())
+            // .registerTypeAdapter(CommonHeader1607.class, new gsonCommonHeaderInstance())
+            // .registerTypeAdapter(ResponseStatus1607.class, new gsonResponseStatus())
+            .create();
+
+    private Serialization() {}
+
+    public static class GsonUtcAdapter implements JsonSerializer<ZonedDateTime>, JsonDeserializer<ZonedDateTime> {
+        private static final Logger logger = LoggerFactory.getLogger(GsonUtcAdapter.class);
+
+        @Override
+        public ZonedDateTime deserialize(JsonElement element, Type type, JsonDeserializationContext context) {
+            try {
+                return ZonedDateTime.parse(element.getAsString(), format);
+            } catch (Exception e) {
+                logger.error("deserialize threw: ", e);
+            }
+            return null;
+        }
+
+        @Override
+        public JsonElement serialize(ZonedDateTime datetime, Type type, JsonSerializationContext context) {
+            return new JsonPrimitive(datetime.format(format));
+        }
+    }
+
+    public static class GsonInstantAdapter implements JsonSerializer<Instant>, JsonDeserializer<Instant> {
+
+        @Override
+        public Instant deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
+            return Instant.ofEpochMilli(json.getAsLong());
+        }
+
+        @Override
+        public JsonElement serialize(Instant src, Type typeOfSrc, JsonSerializationContext context) {
+            return new JsonPrimitive(src.toEpochMilli());
+        }
+
+    }
+
+}
diff --git a/models-interactions/model-impl/appc/src/main/resources/definitions.yaml b/models-interactions/model-impl/appc/src/main/resources/definitions.yaml
new file mode 100644
index 000000000..d015f33ae
--- /dev/null
+++ b/models-interactions/model-impl/appc/src/main/resources/definitions.yaml
@@ -0,0 +1,119 @@
+###
+# ============LICENSE_START=======================================================
+# appc
+# ================================================================================
+# Copyright (C) 2017 AT&T Intellectual Property. 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.
+# ============LICENSE_END=========================================================
+###
+
+Request:
+  type: object
+  properties:
+    CommonHeader:
+      type: object
+      properties:
+        TimeStamp:
+          type: string
+        APIver:
+          type: string
+          value: '1.01'
+        OriginatorID:
+          type: string
+        RequestID:
+          type: string
+          pattern: "^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}$"
+        SubRequestID:
+          type: string
+        Flags:
+          type: object
+      required:
+        - TimeStamp
+        - APIver
+        - OriginatorID
+        - RequestID
+    Action:
+      type: string
+      enum:
+        - Audit
+        - ActionStatus
+        - BlockAudits
+        - Configure
+        - HealthCheck
+        - Install
+        - LiveUpgrade
+        - Migrate
+        - ModifyConfig
+        - Query
+        - Rebuild
+        - Reconfigure
+        - Restart
+        - Rollback
+        - Scale
+        - Start
+        - Stop
+        - Sync
+        - Terminate
+        - Test
+        - Upgrade
+    TargetID:
+      type: string
+    ObjectID:
+      type: string
+    Payload:
+      type: object
+  required:
+    - CommonHeader
+    - Action
+    - TargetID
+Response:
+  type: object
+  properties:
+    CommonHeader:
+      type: object
+      properties:
+        TimeStamp:
+          type: string
+        APIver:
+          type: string
+        OriginatorID:
+          type: string
+        RequestID:
+          type: string
+        SubRequestID:
+          type: string
+        Flags:
+          type: object
+      required:
+        - TimeStamp
+        - APIver
+        - OriginatorID
+        - RequestID
+    Status:
+      type: object
+      properties:
+        Code:
+          type: integer
+        Value:
+          type: string
+      required:
+        - Code
+        - Value
+    Payload:
+      type: object
+  required:
+    - CommonHeader
+    - Status
+      
diff --git a/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/CommonHeaderTest.java b/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/CommonHeaderTest.java
new file mode 100644
index 000000000..c76a46ebb
--- /dev/null
+++ b/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/CommonHeaderTest.java
@@ -0,0 +1,180 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * appc
+ * ================================================================================
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+/*-
+ * ============LICENSE_START=======================================================
+ * appc
+ * ================================================================================
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.appc;
+
+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.time.Instant;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+
+import org.junit.Test;
+
+public class CommonHeaderTest {
+
+    @Test
+    public void testCommonHeader() {
+        CommonHeader commonHeader = new CommonHeader();
+        assertNotNull(commonHeader);
+        assertNotNull(new CommonHeader(commonHeader));
+        assertNotEquals(0, commonHeader.hashCode());
+
+        commonHeader.setApiVer("Kansas");
+        assertEquals("Kansas", commonHeader.getApiVer());
+
+        List<Map<String, String>> flagSet = new ArrayList<>();
+        commonHeader.setFlags(flagSet);
+        assertEquals(flagSet, commonHeader.getFlags());
+
+        commonHeader.setOriginatorId("Dorothy");
+        assertEquals("Dorothy", commonHeader.getOriginatorId());
+
+        UUID requestId = UUID.randomUUID();
+        commonHeader.setRequestId(requestId);
+        assertEquals(requestId, commonHeader.getRequestId());
+
+        List<String> requestTrackSet = new ArrayList<>();
+        commonHeader.setRequestTrack(requestTrackSet);
+        assertEquals(requestTrackSet, commonHeader.getRequestTrack());
+
+        commonHeader.setSubRequestId("Can I go home?");
+        assertEquals("Can I go home?", commonHeader.getSubRequestId());
+
+        Instant timestamp = Instant.now();
+        commonHeader.setTimeStamp(timestamp);
+        assertEquals(timestamp, commonHeader.getTimeStamp());
+
+        assertNotEquals(0, commonHeader.hashCode());
+
+        assertEquals("CommonHeader [TimeStamp=", commonHeader.toString().substring(0, 24));
+
+        CommonHeader copiedCommonHeader = new CommonHeader();
+        copiedCommonHeader.setApiVer(commonHeader.getApiVer());
+        copiedCommonHeader.setFlags(commonHeader.getFlags());
+        copiedCommonHeader.setOriginatorId(commonHeader.getOriginatorId());
+        copiedCommonHeader.setRequestId(commonHeader.getRequestId());
+        copiedCommonHeader.setRequestTrack(commonHeader.getRequestTrack());
+        copiedCommonHeader.setSubRequestId(commonHeader.getSubRequestId());
+        copiedCommonHeader.setTimeStamp(commonHeader.getTimeStamp());
+
+        assertTrue(commonHeader.equals(commonHeader));
+        assertTrue(commonHeader.equals(copiedCommonHeader));
+        assertFalse(commonHeader.equals(null));
+        assertFalse(commonHeader.equals("Hello"));
+
+        CommonHeader clonedCommonHeader = new CommonHeader(commonHeader);
+        clonedCommonHeader.setApiVer(commonHeader.getApiVer());
+        clonedCommonHeader.setTimeStamp(commonHeader.getTimeStamp());
+
+        assertTrue(commonHeader.equals(clonedCommonHeader));
+
+        commonHeader.setApiVer(null);
+        assertFalse(commonHeader.equals(copiedCommonHeader));
+        copiedCommonHeader.setApiVer(null);
+        assertTrue(commonHeader.equals(copiedCommonHeader));
+        commonHeader.setApiVer("Kansas");
+        assertFalse(commonHeader.equals(copiedCommonHeader));
+        copiedCommonHeader.setApiVer("Kansas");
+        assertTrue(commonHeader.equals(copiedCommonHeader));
+
+        commonHeader.setFlags(null);
+        assertFalse(commonHeader.equals(copiedCommonHeader));
+        copiedCommonHeader.setFlags(null);
+        assertTrue(commonHeader.equals(copiedCommonHeader));
+        commonHeader.setFlags(flagSet);
+        assertFalse(commonHeader.equals(copiedCommonHeader));
+        copiedCommonHeader.setFlags(flagSet);
+        assertTrue(commonHeader.equals(copiedCommonHeader));
+
+        commonHeader.setOriginatorId(null);
+        assertFalse(commonHeader.equals(copiedCommonHeader));
+        copiedCommonHeader.setOriginatorId(null);
+        assertTrue(commonHeader.equals(copiedCommonHeader));
+        commonHeader.setOriginatorId("Dorothy");
+        assertFalse(commonHeader.equals(copiedCommonHeader));
+        copiedCommonHeader.setOriginatorId("Dorothy");
+        assertTrue(commonHeader.equals(copiedCommonHeader));
+
+        commonHeader.setRequestId(null);
+        assertFalse(commonHeader.equals(copiedCommonHeader));
+        copiedCommonHeader.setRequestId(null);
+        assertTrue(commonHeader.equals(copiedCommonHeader));
+        commonHeader.setRequestId(requestId);
+        assertFalse(commonHeader.equals(copiedCommonHeader));
+        copiedCommonHeader.setRequestId(requestId);
+        assertTrue(commonHeader.equals(copiedCommonHeader));
+
+        commonHeader.setRequestTrack(null);
+        assertFalse(commonHeader.equals(copiedCommonHeader));
+        copiedCommonHeader.setRequestTrack(null);
+        assertTrue(commonHeader.equals(copiedCommonHeader));
+        commonHeader.setRequestTrack(requestTrackSet);
+        assertFalse(commonHeader.equals(copiedCommonHeader));
+        copiedCommonHeader.setRequestTrack(requestTrackSet);
+        assertTrue(commonHeader.equals(copiedCommonHeader));
+
+        commonHeader.setSubRequestId(null);
+        assertFalse(commonHeader.equals(copiedCommonHeader));
+        copiedCommonHeader.setSubRequestId(null);
+        assertTrue(commonHeader.equals(copiedCommonHeader));
+        commonHeader.setSubRequestId("Can I go home?");
+        assertFalse(commonHeader.equals(copiedCommonHeader));
+        copiedCommonHeader.setSubRequestId("Can I go home?");
+        assertTrue(commonHeader.equals(copiedCommonHeader));
+
+        commonHeader.setTimeStamp(null);
+        assertFalse(commonHeader.equals(copiedCommonHeader));
+        copiedCommonHeader.setTimeStamp(null);
+        assertTrue(commonHeader.equals(copiedCommonHeader));
+        commonHeader.setTimeStamp(timestamp);
+        assertFalse(commonHeader.equals(copiedCommonHeader));
+        copiedCommonHeader.setTimeStamp(timestamp);
+        assertTrue(commonHeader.equals(copiedCommonHeader));
+    }
+}
diff --git a/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/EnumsTest.java b/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/EnumsTest.java
new file mode 100644
index 000000000..6d9ea5221
--- /dev/null
+++ b/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/EnumsTest.java
@@ -0,0 +1,75 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * appc
+ * ================================================================================
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.appc;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+import org.junit.Test;
+
+public class EnumsTest {
+
+    @Test
+    public void testResponseCode() {
+        assertEquals(5, ResponseCode.values().length);
+
+        assertNull(ResponseCode.toResponseCode(0));
+
+        assertEquals(ResponseCode.ACCEPT, ResponseCode.toResponseCode(100));
+        assertEquals(ResponseCode.ERROR, ResponseCode.toResponseCode(200));
+        assertEquals(ResponseCode.REJECT, ResponseCode.toResponseCode(300));
+        assertEquals(ResponseCode.SUCCESS, ResponseCode.toResponseCode(400));
+        assertEquals(ResponseCode.FAILURE, ResponseCode.toResponseCode(500));
+
+        assertEquals(100, ResponseCode.ACCEPT.getValue());
+        assertEquals(200, ResponseCode.ERROR.getValue());
+        assertEquals(300, ResponseCode.REJECT.getValue());
+        assertEquals(400, ResponseCode.SUCCESS.getValue());
+        assertEquals(500, ResponseCode.FAILURE.getValue());
+
+        assertEquals("100", ResponseCode.ACCEPT.toString());
+        assertEquals("200", ResponseCode.ERROR.toString());
+        assertEquals("300", ResponseCode.REJECT.toString());
+        assertEquals("400", ResponseCode.SUCCESS.toString());
+        assertEquals("500", ResponseCode.FAILURE.toString());
+    }
+
+    @Test
+    public void testResponseValue() {
+        assertEquals(5, ResponseValue.values().length);
+
+        assertNull(ResponseValue.toResponseValue("Dorothy"));
+        assertNull(ResponseValue.toResponseValue(null));
+
+        assertEquals(ResponseValue.ACCEPT, ResponseValue.toResponseValue("ACCEPT"));
+        assertEquals(ResponseValue.ERROR, ResponseValue.toResponseValue("ERROR"));
+        assertEquals(ResponseValue.REJECT, ResponseValue.toResponseValue("REJECT"));
+        assertEquals(ResponseValue.SUCCESS, ResponseValue.toResponseValue("SUCCESS"));
+        assertEquals(ResponseValue.FAILURE, ResponseValue.toResponseValue("FAILURE"));
+
+        assertEquals("ACCEPT", ResponseValue.ACCEPT.toString());
+        assertEquals("ERROR", ResponseValue.ERROR.toString());
+        assertEquals("REJECT", ResponseValue.REJECT.toString());
+        assertEquals("SUCCESS", ResponseValue.SUCCESS.toString());
+        assertEquals("FAILURE", ResponseValue.FAILURE.toString());
+    }
+}
diff --git a/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/RequestTest.java b/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/RequestTest.java
new file mode 100644
index 000000000..a6ef4a1d2
--- /dev/null
+++ b/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/RequestTest.java
@@ -0,0 +1,125 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * appc
+ * ================================================================================
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.appc;
+
+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.util.HashMap;
+import java.util.Map;
+
+import org.junit.Test;
+
+public class RequestTest {
+
+    @Test
+    public void testRequest() {
+        Request request = new Request();
+        assertNotNull(request);
+        assertNotEquals(0, request.hashCode());
+
+        CommonHeader commonHeader = new CommonHeader();
+
+        request.setCommonHeader(commonHeader);
+        assertEquals(commonHeader, request.getCommonHeader());
+
+        request.setAction("Go to Oz");
+        assertEquals("Go to Oz", request.getAction());
+
+        request.setObjectId("Wizard");
+        assertEquals("Wizard", request.getObjectId());
+
+        request.setTargetId("Oz");
+        assertEquals("Oz", request.getTargetId());
+
+        Map<String, Object> payload = new HashMap<>();
+        payload.put("North", "Good Witch");
+        payload.put("West", "Bad Witch");
+
+        request.setPayload(payload);
+        assertEquals(payload, request.getPayload());
+
+        assertNotEquals(0, request.hashCode());
+
+        assertEquals("Request [CommonHeader=CommonHeader [TimeStamp=", request.toString().substring(0, 46));
+
+        Request copiedRequest = new Request();
+        copiedRequest.setCommonHeader(request.getCommonHeader());
+        copiedRequest.setAction(request.getAction());
+        copiedRequest.setObjectId(request.getObjectId());
+        copiedRequest.setPayload(request.getPayload());
+        copiedRequest.setTargetId(request.getTargetId());
+
+        assertTrue(request.equals(request));
+        assertTrue(request.equals(copiedRequest));
+        assertFalse(request.equals(null));
+        assertFalse(request.equals("Hello"));
+
+        request.setCommonHeader(null);
+        assertFalse(request.equals(copiedRequest));
+        copiedRequest.setCommonHeader(null);
+        assertTrue(request.equals(copiedRequest));
+        request.setCommonHeader(commonHeader);
+        assertFalse(request.equals(copiedRequest));
+        copiedRequest.setCommonHeader(commonHeader);
+        assertTrue(request.equals(copiedRequest));
+
+        request.setAction(null);
+        assertFalse(request.equals(copiedRequest));
+        copiedRequest.setAction(null);
+        assertTrue(request.equals(copiedRequest));
+        request.setAction("Go to Oz");
+        assertFalse(request.equals(copiedRequest));
+        copiedRequest.setAction("Go to Oz");
+        assertTrue(request.equals(copiedRequest));
+
+        request.setObjectId(null);
+        assertFalse(request.equals(copiedRequest));
+        copiedRequest.setObjectId(null);
+        assertTrue(request.equals(copiedRequest));
+        request.setObjectId("Wizard");
+        assertFalse(request.equals(copiedRequest));
+        copiedRequest.setObjectId("Wizard");
+        assertTrue(request.equals(copiedRequest));
+
+        request.setTargetId(null);
+        assertFalse(request.equals(copiedRequest));
+        copiedRequest.setTargetId(null);
+        assertTrue(request.equals(copiedRequest));
+        request.setTargetId("Oz");
+        assertFalse(request.equals(copiedRequest));
+        copiedRequest.setTargetId("Oz");
+        assertTrue(request.equals(copiedRequest));
+
+        request.setPayload(new HashMap<String, Object>());
+        assertFalse(request.equals(copiedRequest));
+        copiedRequest.setPayload(new HashMap<String, Object>());
+        assertTrue(request.equals(copiedRequest));
+        request.setPayload(payload);
+        assertFalse(request.equals(copiedRequest));
+        copiedRequest.setPayload(payload);
+        assertTrue(request.equals(copiedRequest));
+    }
+}
diff --git a/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/ResponseStatusTest.java b/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/ResponseStatusTest.java
new file mode 100644
index 000000000..b3176774d
--- /dev/null
+++ b/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/ResponseStatusTest.java
@@ -0,0 +1,89 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * appc
+ * ================================================================================
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.appc;
+
+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 org.junit.Test;
+
+public class ResponseStatusTest {
+
+    @Test
+    public void testResonseStatus() {
+        ResponseStatus status = new ResponseStatus();
+        assertNotNull(status);
+        assertNotEquals(0, status.hashCode());
+
+        status.setCode(1234);
+        assertEquals(1234, status.getCode());
+
+        status.setDescription("The wonderful land of Oz");
+        assertEquals("The wonderful land of Oz", status.getDescription());
+
+        status.setValue("There's no place like home");
+        assertEquals("There's no place like home", status.getValue());
+        assertNotEquals(0, status.hashCode());
+
+        assertEquals("ResponseStatus [Code=1234, Value=There's no pla", status.toString().substring(0, 47));
+
+        ResponseStatus copiedStatus = new ResponseStatus();
+        copiedStatus.setCode(status.getCode());
+        copiedStatus.setDescription(status.getDescription());
+        copiedStatus.setValue(status.getValue());
+
+        assertTrue(status.equals(status));
+        assertTrue(status.equals(copiedStatus));
+        assertFalse(status.equals(null));
+        assertFalse(status.equals("Hello"));
+
+        status.setCode(-1);
+        assertFalse(status.equals(copiedStatus));
+        copiedStatus.setCode(-1);
+        assertTrue(status.equals(copiedStatus));
+        status.setCode(1234);
+        assertFalse(status.equals(copiedStatus));
+        copiedStatus.setCode(1234);
+        assertTrue(status.equals(copiedStatus));
+
+        status.setDescription(null);
+        assertFalse(status.equals(copiedStatus));
+        copiedStatus.setDescription(null);
+        assertTrue(status.equals(copiedStatus));
+        status.setDescription("The wonderful land of Oz");
+        assertFalse(status.equals(copiedStatus));
+        copiedStatus.setDescription("The wonderful land of Oz");
+        assertTrue(status.equals(copiedStatus));
+
+        status.setValue(null);
+        assertFalse(status.equals(copiedStatus));
+        copiedStatus.setValue(null);
+        assertTrue(status.equals(copiedStatus));
+        status.setValue("There's no place like home");
+        assertFalse(status.equals(copiedStatus));
+        copiedStatus.setValue("There's no place like home");
+        assertTrue(status.equals(copiedStatus));
+    }
+}
diff --git a/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/ResponseTest.java b/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/ResponseTest.java
new file mode 100644
index 000000000..b0806fa25
--- /dev/null
+++ b/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/ResponseTest.java
@@ -0,0 +1,105 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * appc
+ * ================================================================================
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.appc;
+
+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.util.HashMap;
+import java.util.Map;
+
+import org.junit.Test;
+
+public class ResponseTest {
+
+    @Test
+    public void testResonse() {
+        Response response = new Response();
+        assertNotNull(response);
+        assertNotNull(new Response(new Request()));
+        assertNotEquals(0, response.hashCode());
+
+        CommonHeader commonHeader = new CommonHeader();
+
+        Request request = new Request();
+        request.setCommonHeader(commonHeader);
+        assertNotNull(new Response(request));
+
+        response.setCommonHeader(commonHeader);
+        assertEquals(commonHeader, response.getCommonHeader());
+
+        ResponseStatus status = new ResponseStatus();
+        response.setStatus(status);
+        assertEquals(status, response.getStatus());
+
+        Map<String, Object> payload = new HashMap<>();
+        payload.put("North", "Good Witch");
+        payload.put("West", "Bad Witch");
+
+        response.setPayload(payload);
+        assertEquals(payload, response.getPayload());
+
+        assertNotEquals(0, response.hashCode());
+
+        assertEquals("Response [CommonHeader=CommonHeader [TimeStamp=", response.toString().substring(0, 47));
+
+        Response copiedResponse = new Response();
+        copiedResponse.setCommonHeader(response.getCommonHeader());
+        copiedResponse.setStatus(response.getStatus());
+        copiedResponse.setPayload(response.getPayload());
+
+        assertTrue(response.equals(response));
+        assertTrue(response.equals(copiedResponse));
+        assertFalse(response.equals(null));
+        assertFalse(response.equals("Hello"));
+
+        response.setCommonHeader(null);
+        assertFalse(response.equals(copiedResponse));
+        copiedResponse.setCommonHeader(null);
+        assertTrue(response.equals(copiedResponse));
+        response.setCommonHeader(commonHeader);
+        assertFalse(response.equals(copiedResponse));
+        copiedResponse.setCommonHeader(commonHeader);
+        assertTrue(response.equals(copiedResponse));
+
+        response.setStatus(null);
+        assertFalse(response.equals(copiedResponse));
+        copiedResponse.setStatus(null);
+        assertTrue(response.equals(copiedResponse));
+        response.setStatus(status);
+        assertFalse(response.equals(copiedResponse));
+        copiedResponse.setStatus(status);
+        assertTrue(response.equals(copiedResponse));
+
+        response.setPayload(new HashMap<String, Object>());
+        assertFalse(response.equals(copiedResponse));
+        copiedResponse.setPayload(new HashMap<String, Object>());
+        assertTrue(response.equals(copiedResponse));
+        response.setPayload(payload);
+        assertFalse(response.equals(copiedResponse));
+        copiedResponse.setPayload(payload);
+        assertTrue(response.equals(copiedResponse));
+    }
+}
diff --git a/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/util/SerializationTest.java b/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/util/SerializationTest.java
new file mode 100644
index 000000000..e47df424d
--- /dev/null
+++ b/models-interactions/model-impl/appc/src/test/java/org/onap/policy/appc/util/SerializationTest.java
@@ -0,0 +1,57 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * appc
+ * ================================================================================
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.appc.util;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+import java.time.Instant;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
+
+import org.junit.Test;
+
+public class SerializationTest {
+
+    @Test
+    public void test() {
+        String nameString = "Dorothy";
+        String jsonName = Serialization.gsonPretty.toJson(nameString, String.class);
+        assertEquals("\"Dorothy\"", jsonName);
+        String jsonInOutName = Serialization.gsonPretty.fromJson(jsonName, String.class);
+        assertEquals("Dorothy", jsonInOutName);
+
+        Instant instant = Instant.ofEpochMilli(1516127215000L);
+        String instantString = Serialization.gsonPretty.toJson(instant, Instant.class);
+        assertEquals("1516127215000", instantString);
+        Instant outInstant = Serialization.gsonPretty.fromJson(instantString, Instant.class);
+        assertEquals(instant, outInstant);
+
+        ZonedDateTime zdt = ZonedDateTime.ofInstant(instant, ZoneId.of("UTC"));
+        String zdtString = Serialization.gsonPretty.toJson(zdt, ZonedDateTime.class);
+        assertEquals("\"2018-01-16 18:26:55.000000+00:00\"", zdtString);
+        ZonedDateTime outZdt = Serialization.gsonPretty.fromJson(zdtString, ZonedDateTime.class);
+        assertEquals(zdt.getDayOfWeek(), outZdt.getDayOfWeek());
+
+        assertNull(Serialization.gsonPretty.fromJson("oz time is weird", ZonedDateTime.class));
+    }
+}