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diff --git a/src/main/java/org/onap/aai/datarouter/entity/SpikeEventEntity.java b/src/main/java/org/onap/aai/datarouter/entity/SpikeEventEntity.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.onap.aai.datarouter.entity;
+
+import java.io.IOException;
+import java.io.Serializable;
+import java.security.NoSuchAlgorithmException;
+import java.sql.Timestamp;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.json.Json;
+import javax.json.JsonObject;
+
+import org.onap.aai.datarouter.util.NodeUtils;
+
+/**
+ * Note: SpikeEventEntity is a port forward of IndexDocument Has been renamed here to move forward
+ * with abstraction of document store technology.
+ */
+public class SpikeEventEntity implements DocumentStoreDataEntity, Serializable {
+
+  private static final long serialVersionUID = -5188479658230319058L;
+
+  protected String entityType;
+  protected String entityPrimaryKeyName;
+  protected String entityPrimaryKeyValue;
+  protected ArrayList<String> searchTagCollection = new ArrayList<>();
+  protected ArrayList<String> searchTagIdCollection = new ArrayList<>();
+  protected ArrayList<String> crossEntityReferenceCollection = new ArrayList<>();
+  protected String lastmodTimestamp;
+  protected String link;
+
+  private static final String TIMESTAMP_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSSZ";
+  /*
+   * Generated fields, leave the settings for junit overrides
+   */
+
+  // generated, SHA-256 digest
+  protected String id;
+
+  /*
+   * generated based on searchTagCollection values
+   */
+  protected String searchTags;
+  protected String searchTagIds;
+  protected String crossReferenceEntityValues;
+
+
+
+  private static String concatArray(List<String> list, char delimiter) {
+
+    if (list == null || list.isEmpty()) {
+      return "";
+    }
+
+    StringBuilder result = new StringBuilder(64);
+
+    boolean firstValue = true;
+
+    for (String item : list) {
+
+      if (firstValue) {
+        result.append(item);
+        firstValue = false;
+      } else {
+        result.append(delimiter).append(item);
+      }
+
+    }
+
+    return result.toString();
+
+  }
+
+  public SpikeEventEntity() {
+    SimpleDateFormat dateFormat = new SimpleDateFormat(TIMESTAMP_FORMAT);
+    Timestamp timestamp = new Timestamp(System.currentTimeMillis());
+    String currentFormattedTimeStamp = dateFormat.format(timestamp);
+    this.lastmodTimestamp = currentFormattedTimeStamp;
+  }
+
+  public void deriveFields() throws NoSuchAlgorithmException {
+    this.id = NodeUtils.generateUniqueShaDigest(link);
+    this.searchTags = concatArray(searchTagCollection, ';');
+    this.searchTagIds = concatArray(searchTagIdCollection, ';');
+    this.crossReferenceEntityValues = concatArray(crossEntityReferenceCollection, ';');
+  }
+
+
+  /*
+   * (non-Javadoc)
+   * 
+   * @see org.onap.aai.datarouter.entity.SpikeEventEntity#getAsJson()
+   */
+  @Override
+  public String getAsJson() throws IOException {
+
+    JsonObject obj = Json.createObjectBuilder().add("entityType", entityType)
+        .add("entityPrimaryKeyValue", entityPrimaryKeyValue).add("searchTagIDs", searchTagIds)
+        .add("searchTags", searchTags).add("crossEntityReferenceValues", crossReferenceEntityValues)
+        .add("lastmodTimestamp", lastmodTimestamp).add("link", link).build();
+
+    return obj.toString();
+  }
+
+
+  public void addSearchTagWithKey(String searchTag, String key) {
+    searchTagIdCollection.add(key);
+    searchTagCollection.add(searchTag);
+  }
+
+  public void addCrossEntityReferenceValue(String crossEntityReferenceValue) {
+    if (!crossEntityReferenceCollection.contains(crossEntityReferenceValue)) {
+      crossEntityReferenceCollection.add(crossEntityReferenceValue);
+    }
+  }
+
+  public String getEntityType() {
+    return entityType;
+  }
+
+  public String getEntityPrimaryKeyName() {
+    return entityPrimaryKeyName;
+  }
+
+  public String getEntityPrimaryKeyValue() {
+    return entityPrimaryKeyValue;
+  }
+
+
+  /*
+   * (non-Javadoc)
+   * 
+   * @see org.onap.aai.datarouter.entity.SpikeEventEntity#getId()
+   */
+  @Override
+  public String getId() {
+    return id;
+  }
+
+  public ArrayList<String> getSearchTagCollection() {
+    return searchTagCollection;
+  }
+
+  public String getSearchTags() {
+    return searchTags;
+  }
+
+  public String getSearchTagIDs() {
+    return searchTagIds;
+  }
+
+  public void setSearchTagIDs(String searchTagIDs) {
+    this.searchTagIds = searchTagIDs;
+  }
+
+  public void setEntityType(String entityType) {
+    this.entityType = entityType;
+  }
+
+  public void setId(String id) {
+    this.id = id;
+  }
+
+  public void setSearchTagCollection(ArrayList<String> searchTagCollection) {
+    this.searchTagCollection = searchTagCollection;
+  }
+
+  public void setSearchTags(String searchTags) {
+    this.searchTags = searchTags;
+  }
+
+  public ArrayList<String> getSearchTagIdCollection() {
+    return searchTagIdCollection;
+  }
+
+  public void setSearchTagIdCollection(ArrayList<String> searchTagIdCollection) {
+    this.searchTagIdCollection = searchTagIdCollection;
+  }
+
+  public String getLastmodTimestamp() {
+    return lastmodTimestamp;
+  }
+
+  public void setLastmodTimestamp(String lastmodTimestamp) {
+    this.lastmodTimestamp = lastmodTimestamp;
+  }
+
+  public void setEntityPrimaryKeyName(String entityPrimaryKeyName) {
+    this.entityPrimaryKeyName = entityPrimaryKeyName;
+  }
+
+  public void setEntityPrimaryKeyValue(String entityPrimaryKeyValue) {
+    this.entityPrimaryKeyValue = entityPrimaryKeyValue;
+  }
+  
+  public String getLink() {
+    return link;
+  }
+  
+  public void setLink(String link) {
+    this.link = link;
+  }
+
+
+
+  public String getCrossReferenceEntityValues() {
+    return crossReferenceEntityValues;
+  }
+
+  public void setCrossReferenceEntityValues(String crossReferenceEntityValues) {
+    this.crossReferenceEntityValues = crossReferenceEntityValues;
+  }
+
+  @Override
+  public String toString() {
+    return "SpikeEventEntity [" + (entityType != null ? "entityType=" + entityType + ", " : "")
+        + (entityPrimaryKeyName != null ? "entityPrimaryKeyName=" + entityPrimaryKeyName + ", "
+            : "")
+        + (entityPrimaryKeyValue != null ? "entityPrimaryKeyValue=" + entityPrimaryKeyValue + ", "
+            : "")
+        + (searchTagCollection != null ? "searchTagCollection=" + searchTagCollection + ", " : "")
+        + (searchTagIdCollection != null ? "searchTagIDCollection=" + searchTagIdCollection + ", "
+            : "")
+        + (crossEntityReferenceCollection != null
+            ? "crossEntityReferenceCollection=" + crossEntityReferenceCollection + ", " : "")
+        + "lastmodTimestamp=" + lastmodTimestamp + ", " + (id != null ? "id=" + id + ", " : "")
+        + (searchTags != null ? "searchTags=" + searchTags + ", " : "")
+        + (searchTagIds != null ? "searchTagIDs=" + searchTagIds + ", " : "")
+        + (crossReferenceEntityValues != null
+            ? "crossReferenceEntityValues=" + crossReferenceEntityValues : "")
+        + "]";
+  }
+
+}