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diff --git a/src/main/java/org/openecomp/datarouter/entity/AggregationEntity.java b/src/main/java/org/openecomp/datarouter/entity/AggregationEntity.java
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+/**
+ * ============LICENSE_START=======================================================
+ * DataRouter
+ * ================================================================================
+ * Copyright © 2017 AT&T Intellectual Property.
+ * Copyright © 2017 Amdocs
+ * 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=========================================================
+ *
+ * ECOMP and OpenECOMP are trademarks
+ * and service marks of AT&T Intellectual Property.
+ */
+package org.openecomp.datarouter.entity;
+
+import java.io.Serializable;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.openecomp.datarouter.util.NodeUtils;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+/**
+ * The Class AggregationEntity. Mimics functionality of AAIUI's AggregationEntity
+ */
+public class AggregationEntity implements DocumentStoreDataEntity, Serializable {
+  private String id;
+  private String link;
+  private String lastmodTimestamp;
+  
+  public String getLink() {
+    return link;
+  }
+  public void setLink(String link) {
+    this.link = link;
+  }
+  public String getId() {
+    // make sure that deliveFields() is called before getting the id
+    return id;
+  }
+  public void setId(String id) {
+    this.id = id;
+  }
+
+
+  public String getLastmodTimestamp() {
+    return lastmodTimestamp;
+  }
+  public void setLastmodTimestamp(String lastmodTimestamp) {
+    this.lastmodTimestamp = lastmodTimestamp;
+  }
+
+
+  Map<String, String> attributes = new HashMap<String, String>();
+  ObjectMapper mapper = new ObjectMapper();
+  
+  /**
+   * Instantiates a new aggregation entity.
+   */
+  public AggregationEntity() {  }
+
+  public void deriveFields(JsonNode uebPayload) {
+    
+    this.setId(NodeUtils.generateUniqueShaDigest(link));
+    
+    this.setLastmodTimestamp(Long.toString(System.currentTimeMillis()));
+    
+    JsonNode entityNode = uebPayload.get("entity");
+    
+    Iterator<Entry<String, JsonNode>> nodes = entityNode.fields();
+
+    while (nodes.hasNext()) {
+      Map.Entry<String, JsonNode> entry = (Map.Entry<String, JsonNode>) nodes.next();
+      if (!entry.getKey().equalsIgnoreCase("relationship-list")){
+        attributes.put(entry.getKey(), entry.getValue().asText());
+      }
+    }
+  }
+  
+  public void copyAttributeKeyValuePair(Map<String, Object> map){
+    for(String key: map.keySet()){
+      if (!key.equalsIgnoreCase("relationship-list")){   // ignore relationship data which is not required in aggregation
+        this.attributes.put(key, map.get(key).toString());    // not sure if entity attribute can contain an object as value
+      }
+    }
+  }
+  
+  public void addAttributeKeyValuePair(String key, String value){
+    this.attributes.put(key, value);
+  }
+
+  public String getAsJson() {
+    ObjectNode rootNode = mapper.createObjectNode();
+    rootNode.put("link", this.getLink());
+    rootNode.put("lastmodTimestamp", lastmodTimestamp);
+    for (String key: this.attributes.keySet()){
+      rootNode.put(key, this.attributes.get(key));
+    }
+    return rootNode.toString();
+  }
+  
+  @Override
+  public String toString() {
+    return "AggregationEntity [id=" + id + ", link=" + link + ", attributes=" + attributes
+        + ", mapper=" + mapper + "]";
+  }
+}