Initial search service commit

Changing common logging dep

Change-Id: I454697a9df0ee63f43d7b7d2a3818fe2d9b7bcf2
Signed-off-by: Daniel Silverthorn <daniel.silverthorn@amdocs.com>

44 files changed, 6121 insertions, 0 deletions

diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/JaxrsEchoService.java b/src/main/java/org/openecomp/sa/searchdbabstraction/JaxrsEchoService.java
new file mode 100644
index 0000000..0dc25c2
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/JaxrsEchoService.java
@@ -0,0 +1,52 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+
+
+/**
+ * Exposes REST endpoints for a simple echo service.
+ */
+@Path("/jaxrs-services")
+public class JaxrsEchoService {
+
+  /**
+   * REST endpoint for a simple echo service.
+   *
+   * @param input - The value to be echoed back.
+   * @return - The input value.
+   */
+  @GET
+  @Path("/echo/{input}")
+  @Produces("text/plain")
+  public String ping(@PathParam("input") String input) {
+    return "[Search Database Abstraction Micro Service] - Echo Service: " + input + ".";
+  }
+
+}
\ No newline at end of file
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/JaxrsUserService.java b/src/main/java/org/openecomp/sa/searchdbabstraction/JaxrsUserService.java
new file mode 100644
index 0000000..1194b75
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/JaxrsUserService.java
@@ -0,0 +1,53 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction;
+
+import java.util.HashMap;
+import java.util.Map;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+
+@Path("/user")
+public class JaxrsUserService {
+
+  private static final Map<String, String> userIdToNameMap;
+
+  static {
+    userIdToNameMap = new HashMap<String, String>();
+    userIdToNameMap.put("dw113c", "Doug Wait");
+    userIdToNameMap.put("so401q", "Stuart O'Day");
+  }
+
+  @GET
+  @Path("/{userId}")
+  @Produces("text/plain")
+  public String lookupUser(@PathParam("userId") String userId) {
+    String name = userIdToNameMap.get(userId);
+    return name != null ? name : "unknown id";
+  }
+
+}
\ No newline at end of file
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/config/ElasticSearchConfig.java b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/config/ElasticSearchConfig.java
new file mode 100644
index 0000000..6268b4c
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/config/ElasticSearchConfig.java
@@ -0,0 +1,87 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.elasticsearch.config;
+
+import java.util.Properties;
+
+public class ElasticSearchConfig {
+  private String ipAddress;
+  private String httpPort;
+  private String javaApiPort;
+  private String clusterName;
+
+  public static final String ES_CLUSTER_NAME = "es.cluster-name";
+  public static final String ES_IP_ADDRESS = "es.ip-address";
+  public static final String ES_HTTP_PORT = "es.http-port";
+
+  private static final String JAVA_API_PORT_DEFAULT = "9300";
+
+  public ElasticSearchConfig(Properties props) {
+
+    setClusterName(props.getProperty(ES_CLUSTER_NAME));
+    setIpAddress(props.getProperty(ES_IP_ADDRESS));
+    setHttpPort(props.getProperty(ES_HTTP_PORT));
+    setJavaApiPort(JAVA_API_PORT_DEFAULT);
+  }
+
+  public String getIpAddress() {
+    return ipAddress;
+  }
+
+  public void setIpAddress(String ipAddress) {
+    this.ipAddress = ipAddress;
+  }
+
+  public String getHttpPort() {
+    return httpPort;
+  }
+
+  public void setHttpPort(String httpPort) {
+    this.httpPort = httpPort;
+  }
+
+  public String getJavaApiPort() {
+    return javaApiPort;
+  }
+
+  public void setJavaApiPort(String javaApiPort) {
+    this.javaApiPort = javaApiPort;
+  }
+
+  public String getClusterName() {
+    return clusterName;
+  }
+
+  public void setClusterName(String clusterName) {
+    this.clusterName = clusterName;
+  }
+
+  @Override
+  public String toString() {
+    return "ElasticSearchConfig [ipAddress=" + ipAddress + ", httpPort=" + httpPort
+        + ", javaApiPort=" + javaApiPort + ", clusterName=" + clusterName + "]";
+  }
+
+}
\ No newline at end of file
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/DocumentStoreDataEntity.java b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/DocumentStoreDataEntity.java
new file mode 100644
index 0000000..84f6522
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/DocumentStoreDataEntity.java
@@ -0,0 +1,35 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.elasticsearch.dao;
+
+public interface DocumentStoreDataEntity {
+
+  public String getId();
+
+  public String getContentInJson();
+
+  public String getVersion();
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/DocumentStoreDataEntityImpl.java b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/DocumentStoreDataEntityImpl.java
new file mode 100644
index 0000000..f7b7a45
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/DocumentStoreDataEntityImpl.java
@@ -0,0 +1,64 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.elasticsearch.dao;
+
+public class DocumentStoreDataEntityImpl implements DocumentStoreDataEntity {
+
+  private String id;
+  private String content;
+  private String version;
+
+  public String getContent() {
+    return content;
+  }
+
+  public void setContent(String content) {
+    this.content = content;
+  }
+
+  public void setId(String id) {
+    this.id = id;
+  }
+
+  @Override
+  public String getId() {
+    return id;
+  }
+
+  @Override
+  public String getContentInJson() {
+    return content;
+  }
+
+  @Override
+  public String getVersion() {
+    return version;
+  }
+
+  public void setVersion(String version) {
+    this.version = version;
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/DocumentStoreInterface.java b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/DocumentStoreInterface.java
new file mode 100644
index 0000000..a396516
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/DocumentStoreInterface.java
@@ -0,0 +1,73 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.elasticsearch.dao;
+
+
+import org.openecomp.sa.rest.BulkRequest;
+import org.openecomp.sa.rest.DocumentSchema;
+import org.openecomp.sa.searchdbabstraction.elasticsearch.exception.DocumentStoreOperationException;
+import org.openecomp.sa.searchdbabstraction.entity.DocumentOperationResult;
+import org.openecomp.sa.searchdbabstraction.entity.OperationResult;
+import org.openecomp.sa.searchdbabstraction.entity.SearchOperationResult;
+
+
+public interface DocumentStoreInterface {
+
+  public OperationResult createIndex(String index, DocumentSchema documentSchema);
+
+  public OperationResult deleteIndex(String indexName) throws DocumentStoreOperationException;
+
+  public DocumentOperationResult createDocument(String indexName, DocumentStoreDataEntity document)
+      throws DocumentStoreOperationException;
+
+  public DocumentOperationResult updateDocument(String indexName, DocumentStoreDataEntity document)
+      throws DocumentStoreOperationException;
+
+  public DocumentOperationResult deleteDocument(String indexName, DocumentStoreDataEntity document)
+      throws DocumentStoreOperationException;
+
+  public DocumentOperationResult getDocument(String indexName, DocumentStoreDataEntity document)
+      throws DocumentStoreOperationException;
+
+  public SearchOperationResult search(String indexName, String queryText)
+      throws DocumentStoreOperationException;
+
+  public SearchOperationResult searchWithPayload(String indexName, String query)
+      throws DocumentStoreOperationException;
+
+
+  /**
+   * Forwards a set of operations to the document store as a single, bulk
+   * request.
+   *
+   * @param anIndex    - The index to apply the operations to.
+   * @param operations - A java object containing the set of operations to
+   *                   be performed.
+   * @return - An operation result.
+   * @throws DocumentStoreOperationException
+   */
+  public OperationResult performBulkOperations(BulkRequest[] request)
+      throws DocumentStoreOperationException;
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchBulkOperationResult.java b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchBulkOperationResult.java
new file mode 100644
index 0000000..2daa430
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchBulkOperationResult.java
@@ -0,0 +1,70 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.elasticsearch.dao;
+
+import java.util.Arrays;
+
+public class ElasticSearchBulkOperationResult {
+
+  private Integer took;
+  private Boolean errors;
+  private ElasticSearchResultItem[] items;
+
+  public ElasticSearchBulkOperationResult() {
+
+  }
+
+  public ElasticSearchResultItem[] getItems() {
+    return items;
+  }
+
+  public void setItems(ElasticSearchResultItem[] items) {
+    this.items = items;
+  }
+
+  public Integer getTook() {
+    return took;
+  }
+
+  public void setTook(Integer took) {
+    this.took = took;
+  }
+
+  public Boolean getErrors() {
+    return errors;
+  }
+
+  public void setErrors(Boolean errors) {
+    this.errors = errors;
+  }
+
+  @Override
+  public String toString() {
+    return "ElasticSearchOperationResult [took=" + took + ", errors="
+        + errors + ", items=" + Arrays.toString(items) + "]";
+  }
+
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchCause.java b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchCause.java
new file mode 100644
index 0000000..c69552d
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchCause.java
@@ -0,0 +1,47 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.elasticsearch.dao;
+
+public class ElasticSearchCause {
+
+  private String type;
+  private String reason;
+
+  public String getType() {
+    return type;
+  }
+
+  public void setType(String type) {
+    this.type = type;
+  }
+
+  public String getReason() {
+    return reason;
+  }
+
+  public void setReason(String reason) {
+    this.reason = reason;
+  }
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchError.java b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchError.java
new file mode 100644
index 0000000..0066c94
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchError.java
@@ -0,0 +1,75 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.elasticsearch.dao;
+
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class ElasticSearchError {
+
+  private String type;
+  private String reason;
+  private ElasticSearchCause causedBy;
+
+  private Map<String, Object> additionalProperties = new HashMap<String, Object>();
+
+
+  public String getType() {
+    return type;
+  }
+
+  public void setType(String type) {
+    this.type = type;
+  }
+
+  public String getReason() {
+    return reason;
+  }
+
+  public void setReason(String reason) {
+    this.reason = reason;
+  }
+
+  public ElasticSearchCause getCausedBy() {
+    return causedBy;
+  }
+
+  public void setCausedBy(ElasticSearchCause causedBy) {
+    this.causedBy = causedBy;
+  }
+
+  @JsonAnyGetter
+  public Map<String, Object> getAdditionalProperties() {
+    return additionalProperties;
+  }
+
+  @JsonAnySetter
+  public void setAdditionalProperties(String name, Object value) {
+    additionalProperties.put(name, value);
+  }
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchHttpController.java b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchHttpController.java
new file mode 100644
index 0000000..9ab028e
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchHttpController.java
@@ -0,0 +1,1596 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.elasticsearch.dao;
+
+import com.att.aft.dme2.internal.google.common.base.Throwables;
+import com.fasterxml.jackson.annotation.JsonInclude.Include;
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import edu.emory.mathcs.backport.java.util.Arrays;
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+import org.json.simple.parser.JSONParser;
+import org.json.simple.parser.ParseException;
+import org.openecomp.cl.api.LogFields;
+import org.openecomp.cl.api.LogLine;
+import org.openecomp.cl.api.Logger;
+import org.openecomp.cl.eelf.LoggerFactory;
+import org.openecomp.cl.mdc.MdcContext;
+import org.openecomp.cl.mdc.MdcOverride;
+import org.openecomp.sa.rest.AnalysisConfiguration;
+import org.openecomp.sa.rest.ApiUtils;
+import org.openecomp.sa.rest.BulkRequest;
+import org.openecomp.sa.rest.BulkRequest.OperationType;
+import org.openecomp.sa.rest.DocumentSchema;
+import org.openecomp.sa.searchdbabstraction.elasticsearch.config.ElasticSearchConfig;
+import org.openecomp.sa.searchdbabstraction.elasticsearch.exception.DocumentStoreOperationException;
+import org.openecomp.sa.searchdbabstraction.entity.AggregationResult;
+import org.openecomp.sa.searchdbabstraction.entity.AggregationResults;
+import org.openecomp.sa.searchdbabstraction.entity.Document;
+import org.openecomp.sa.searchdbabstraction.entity.DocumentOperationResult;
+import org.openecomp.sa.searchdbabstraction.entity.ErrorResult;
+import org.openecomp.sa.searchdbabstraction.entity.OperationResult;
+import org.openecomp.sa.searchdbabstraction.entity.SearchHit;
+import org.openecomp.sa.searchdbabstraction.entity.SearchHits;
+import org.openecomp.sa.searchdbabstraction.entity.SearchOperationResult;
+import org.openecomp.sa.searchdbabstraction.logging.SearchDbMsgs;
+import org.openecomp.sa.searchdbabstraction.util.AggregationParsingUtil;
+import org.openecomp.sa.searchdbabstraction.util.DocumentSchemaUtil;
+import org.openecomp.sa.searchdbabstraction.util.SearchDbConstants;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.ProtocolException;
+import java.net.URL;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Properties;
+import java.util.concurrent.atomic.AtomicBoolean;
+import javax.ws.rs.core.Response.Status;
+
+
+/**
+ * This class has the Elasticsearch implementation of the
+ * DB operations defined in DocumentStoreInterface.
+ */
+public class ElasticSearchHttpController implements DocumentStoreInterface {
+
+  private static final String BULK_CREATE_WITHOUT_INDEX_TEMPLATE =
+      "{\"create\":{\"_index\" : \"%s\", \"_type\" : \"%s\"} }\n";
+  private static final String BULK_CREATE_WITH_INDEX_TEMPLATE =
+      "{\"create\":{\"_index\" : \"%s\", \"_type\" : \"%s\", \"_id\" : \"%s\" } }\n";
+  private static final String BULK_IMPORT_INDEX_TEMPLATE =
+      "{\"index\":{\"_index\":\"%s\",\"_type\":\"%s\",\"_id\":\"%s\", \"_version\":\"%s\"}}\n";
+  private static final String BULK_DELETE_TEMPLATE =
+      "{ \"delete\": { \"_index\": \"%s\", \"_type\": \"%s\", \"_id\": \"%s\", \"_version\":\"%s\"}}\n";
+
+  private static final String INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT =
+      "Internal Error: ElasticSearch operation fault occurred";
+  private static final Logger logger = LoggerFactory.getInstance()
+      .getLogger(ElasticSearchHttpController.class.getName());
+  private static final Logger metricsLogger = LoggerFactory.getInstance()
+      .getMetricsLogger(ElasticSearchHttpController.class.getName());
+  private final ElasticSearchConfig config;
+
+  private static final String DEFAULT_TYPE = "default";
+
+  private static ElasticSearchHttpController instance = null;
+
+  protected AnalysisConfiguration analysisConfig;
+
+  public static ElasticSearchHttpController getInstance() {
+
+    synchronized (ElasticSearchHttpController.class) {
+
+      if (instance == null) {
+
+        Properties properties = new Properties();
+        File file = new File(SearchDbConstants.ES_CONFIG_FILE);
+        try {
+          properties.load(new FileInputStream(file));
+        } catch (Exception e) {
+          logger.error(SearchDbMsgs.EXCEPTION_DURING_METHOD_CALL,
+            "ElasticSearchHTTPController.getInstance",
+            e.getLocalizedMessage());
+        }
+
+        ElasticSearchConfig config = new ElasticSearchConfig(properties);
+        instance = new ElasticSearchHttpController(config);
+      }
+    }
+
+    return instance;
+  }
+
+  public ElasticSearchHttpController(ElasticSearchConfig config) {
+    this.config = config;
+    analysisConfig = new AnalysisConfiguration();
+
+    try {
+      logger.info(SearchDbMsgs.ELASTIC_SEARCH_CONNECTION_ATTEMPT, getFullUrl("", false));
+      checkConnection();
+      logger.info(SearchDbMsgs.ELASTIC_SEARCH_CONNECTION_SUCCESS, getFullUrl("", false));
+    } catch (Exception e) {
+      logger.error(SearchDbMsgs.ELASTIC_SEARCH_CONNECTION_FAILURE, null, e,
+          getFullUrl("", false), e.getMessage());
+    }
+  }
+
+
+  public AnalysisConfiguration getAnalysisConfig() {
+    return analysisConfig;
+  }
+
+  @Override
+  public OperationResult createIndex(String index, DocumentSchema documentSchema) {
+
+    OperationResult result = new OperationResult();
+    result.setResultCode(500);
+
+    try {
+
+      // Submit the request to ElasticSearch to create the index using a
+      // default document type.
+      result = createTable(index,
+          DEFAULT_TYPE,
+          analysisConfig.getEsIndexSettings(),
+          DocumentSchemaUtil.generateDocumentMappings(documentSchema));
+
+      // ElasticSearch will return us a 200 code on success when we
+      // want to report a 201, so translate the result here.
+      result.setResultCode((result.getResultCode() == 200) ? 201 : result.getResultCode());
+      if (isSuccess(result)) {
+        result.setResult("{\"url\": \"" + ApiUtils.buildIndexUri(index) + "\"}");
+        //result.setResult("{\"index\": \"" + index + ", \"type\": \"" + DEFAULT_TYPE + "\"}");
+      }
+
+    } catch (DocumentStoreOperationException e) {
+
+      result.setFailureCause("Document store operation failure.  Cause: " + e.getMessage());
+    }
+
+    return result;
+  }
+
+
+  @Override
+  public OperationResult deleteIndex(String indexName) throws DocumentStoreOperationException {
+
+    //Initialize operation result with a failure codes / fault string
+    OperationResult opResult = new OperationResult();
+    opResult.setResultCode(500);
+    opResult.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT);
+
+    // Grab the current time so we can use it to generate a metrics log.
+    MdcOverride override = getStartTime(new MdcOverride());
+
+    String fullUrl = getFullUrl("/" + indexName + "/", false);
+    HttpURLConnection conn = initializeConnection(fullUrl);
+
+    logger.debug("\nSending 'DELETE' request to URL : " + conn.getURL());
+
+    try {
+      conn.setRequestMethod("DELETE");
+    } catch (ProtocolException e) {
+      shutdownConnection(conn);
+      throw new DocumentStoreOperationException("Failed to set HTTP request method to DELETE.", e);
+    }
+
+    handleResponse(conn, opResult);
+
+    // Generate a metrics log so we can track how long the operation took.
+    metricsLogger.info(SearchDbMsgs.DELETE_INDEX_TIME,
+        new LogFields()
+            .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode())
+            .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResult()),
+        override,
+        indexName);
+
+    shutdownConnection(conn);
+
+    return opResult;
+  }
+
+
+  private OperationResult checkConnection() throws Exception {
+
+    String fullUrl = getFullUrl("/_cluster/health", false);
+    URL url = null;
+    HttpURLConnection conn = null;
+
+    url = new URL(fullUrl);
+    conn = (HttpURLConnection) url.openConnection();
+    conn.setRequestMethod("GET");
+    conn.setDoOutput(true);
+    logger.debug("getClusterHealth(), Sending 'GET' request to URL : " + url);
+
+    int resultCode = conn.getResponseCode();
+    logger.debug("getClusterHealth() response Code : " + resultCode);
+    OperationResult opResult = new OperationResult();
+    opResult.setResultCode(resultCode);
+
+    shutdownConnection(conn);
+
+    return opResult;
+  }
+
+  private String getFullUrl(String resourceUrl, boolean isSecure) {
+
+    final String host = config.getIpAddress();
+    final String port = config.getHttpPort();
+
+    if (isSecure) {
+      return String.format("https://%s:%s%s", host, port, resourceUrl);
+    } else {
+      return String.format("http://%s:%s%s", host, port, resourceUrl);
+    }
+  }
+
+  private void shutdownConnection(HttpURLConnection connection) {
+    if (connection == null) {
+      return;
+    }
+
+    InputStream inputstream = null;
+    OutputStream outputstream = null;
+
+    try {
+      inputstream = connection.getInputStream();
+    } catch (IOException e) {
+      logger.error(SearchDbMsgs.EXCEPTION_DURING_METHOD_CALL, "shutdownConnection", e.getLocalizedMessage());
+    } finally {
+      if (inputstream != null) {
+        try {
+          inputstream.close();
+        } catch (IOException e) {
+          logger.error(SearchDbMsgs.EXCEPTION_DURING_METHOD_CALL, "shutdownConnection",
+              e.getLocalizedMessage());
+        }
+      }
+    }
+
+    try {
+      outputstream = connection.getOutputStream();
+    } catch (IOException e) {
+      logger.error(SearchDbMsgs.EXCEPTION_DURING_METHOD_CALL, "shutdownConnection", e.getLocalizedMessage());
+    } finally {
+      if (outputstream != null) {
+        try {
+          outputstream.close();
+        } catch (IOException e) {
+          logger.error(SearchDbMsgs.EXCEPTION_DURING_METHOD_CALL, "shutdownConnection",
+              e.getLocalizedMessage());
+        }
+      }
+    }
+
+    connection.disconnect();
+  }
+
+  //@Override
+  protected OperationResult createTable(String indexName, String typeName,
+                                        String indexSettings, String indexMappings)
+      throws DocumentStoreOperationException {
+
+    if (indexSettings == null) {
+      logger.debug("No settings provided.");
+    }
+
+    if (indexMappings == null) {
+      logger.debug("No mappings provided.");
+    }
+
+    OperationResult opResult = new OperationResult();
+
+    // Initialize operation result with a failure codes / fault string
+    opResult.setResultCode(500);
+    opResult.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT);
+
+    // Grab the current time so we can use it to generate a metrics log.
+    MdcOverride override = getStartTime(new MdcOverride());
+
+    String fullUrl = getFullUrl("/" + indexName + "/", false);
+    HttpURLConnection conn = initializeConnection(fullUrl);
+
+    try {
+      conn.setRequestMethod("PUT");
+    } catch (ProtocolException e) {
+      shutdownConnection(conn);
+      throw new DocumentStoreOperationException("Failed to set HTTP request method to PUT.", e);
+    }
+
+    StringBuilder sb = new StringBuilder(128);
+    sb.append("{ \"settings\" : ");
+    sb.append(indexSettings);
+    sb.append(",");
+
+    sb.append("\"mappings\" : {");
+    sb.append("\"" + typeName + "\" :");
+    sb.append(indexMappings);
+    sb.append("}}");
+
+    attachContent(conn, sb.toString());
+
+    logger.debug("\ncreateTable(), Sending 'PUT' request to URL : " + conn.getURL());
+    logger.debug("Request content: " + sb.toString());
+
+    handleResponse(conn, opResult);
+
+    shutdownConnection(conn);
+
+    // Generate a metrics log so we can track how long the operation took.
+    metricsLogger.info(SearchDbMsgs.CREATE_INDEX_TIME,
+        new LogFields()
+            .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode())
+            .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResultCode()),
+        override,
+        indexName);
+
+    return opResult;
+  }
+
+  @Override
+  public DocumentOperationResult createDocument(String indexName, DocumentStoreDataEntity document)
+      throws DocumentStoreOperationException {
+    if (document.getId() == null || document.getId().isEmpty()) {
+      return createDocumentWithoutId(indexName, document);
+    } else {
+      return createDocumentWithId(indexName, document);
+    }
+  }
+
+  private DocumentOperationResult createDocumentWithId(String indexName,
+                                                       DocumentStoreDataEntity document)
+      throws DocumentStoreOperationException {
+    // check if the document already exists
+    DocumentOperationResult opResult = checkDocumentExistence(indexName, document.getId());
+
+
+    if (opResult.getResultCode() != Status.NOT_FOUND.getStatusCode()) {
+      if (opResult.getResultCode() == Status.OK.getStatusCode()) {
+        opResult.setFailureCause("A document with the same id already exists.");
+      } else {
+        opResult.setFailureCause("Failed to verify a document with the specified id does not already exist.");
+      }
+      opResult.setResultCode(Status.CONFLICT.getStatusCode());
+      return opResult;
+    }
+
+    opResult = new DocumentOperationResult();
+    // Initialize operation result with a failure codes / fault string
+    opResult.setResultCode(500);
+    opResult.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT);
+
+    // Grab the current time so we can use it to generate a metrics log.
+    MdcOverride override = getStartTime(new MdcOverride());
+
+    String fullUrl = getFullUrl("/" + indexName + "/" + DEFAULT_TYPE
+        + "/" + document.getId(), false);
+    HttpURLConnection conn = initializeConnection(fullUrl);
+
+    try {
+      conn.setRequestMethod("PUT");
+    } catch (ProtocolException e) {
+      shutdownConnection(conn);
+      throw new DocumentStoreOperationException("Failed to set HTTP request method to PUT.", e);
+    }
+
+    attachDocument(conn, document);
+
+    logger.debug("Sending 'PUT' request to: " + conn.getURL());
+
+    handleResponse(conn, opResult);
+    buildDocumentResult(opResult, indexName);
+
+    // Generate a metrics log so we can track how long the operation took.
+    metricsLogger.info(SearchDbMsgs.CREATE_DOCUMENT_TIME,
+        new LogFields()
+            .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode())
+            .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResult()),
+        override,
+        indexName);
+
+    shutdownConnection(conn);
+
+    return opResult;
+
+  }
+
+  private DocumentOperationResult createDocumentWithoutId(String indexName,
+                                                          DocumentStoreDataEntity document)
+      throws DocumentStoreOperationException {
+
+    DocumentOperationResult response = new DocumentOperationResult();
+    // Initialize operation result with a failure codes / fault string
+    response.setResultCode(500);
+    response.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT);
+
+    // Grab the current time so we can use it to generate a metrics log.
+    MdcOverride override = getStartTime(new MdcOverride());
+
+    String fullUrl = getFullUrl("/" + indexName + "/" + DEFAULT_TYPE, false);
+    HttpURLConnection conn = initializeConnection(fullUrl);
+
+    try {
+      conn.setRequestMethod("POST");
+    } catch (ProtocolException e) {
+      shutdownConnection(conn);
+      throw new DocumentStoreOperationException("Failed to set HTTP request method to POST.", e);
+    }
+
+    attachDocument(conn, document);
+
+    logger.debug("Sending 'POST' request to: " + conn.getURL());
+
+    handleResponse(conn, response);
+    buildDocumentResult(response, indexName);
+
+    // Generate a metrics log so we can track how long the operation took.
+    metricsLogger.info(SearchDbMsgs.CREATE_DOCUMENT_TIME,
+        new LogFields()
+            .setField(LogLine.DefinedFields.RESPONSE_CODE, response.getResultCode())
+            .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, response.getResult()),
+        override,
+        indexName);
+
+    shutdownConnection(conn);
+
+    return response;
+  }
+
+  private void attachDocument(HttpURLConnection conn, DocumentStoreDataEntity doc)
+      throws DocumentStoreOperationException {
+    conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
+    conn.setRequestProperty("Connection", "Close");
+
+    attachContent(conn, doc.getContentInJson());
+  }
+
+  private DocumentOperationResult checkDocumentExistence(String indexName,
+                                                         String docId)
+      throws DocumentStoreOperationException {
+    DocumentOperationResult opResult = new DocumentOperationResult();
+
+    // Initialize operation result with a failure codes / fault string
+    opResult.setResultCode(500);
+
+    // Grab the current time so we can use it to generate a metrics log.
+    MdcOverride override = getStartTime(new MdcOverride());
+
+    String fullUrl = getFullUrl("/" + indexName + "/" + DEFAULT_TYPE + "/" + docId, false);
+    HttpURLConnection conn = initializeConnection(fullUrl);
+
+    try {
+      conn.setRequestMethod("HEAD");
+    } catch (ProtocolException e) {
+      shutdownConnection(conn);
+      throw new DocumentStoreOperationException("Failed to set HTTP request method to HEAD.", e);
+    }
+
+    logger.debug("Sending 'HEAD' request to: " + conn.getURL());
+
+    int resultCode;
+    try {
+      resultCode = conn.getResponseCode();
+    } catch (IOException e) {
+      shutdownConnection(conn);
+      throw new DocumentStoreOperationException("Failed to get the response code from the connection.", e);
+    }
+
+    logger.debug("Response Code : " + resultCode);
+
+    opResult.setResultCode(resultCode);
+
+    // Generate a metrics log so we can track how long the operation took.
+    metricsLogger.info(SearchDbMsgs.GET_DOCUMENT_TIME,
+        new LogFields()
+            .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode())
+            .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResult()),
+        override,
+        indexName,
+        docId);
+
+    shutdownConnection(conn);
+
+    return opResult;
+  }
+
+  @Override
+  public DocumentOperationResult updateDocument(String indexName, DocumentStoreDataEntity document)
+      throws DocumentStoreOperationException {
+    DocumentOperationResult opResult = new DocumentOperationResult();
+
+    // Initialize operation result with a failure codes / fault string
+    opResult.setResultCode(500);
+    opResult.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT);
+
+    // Grab the current time so we can use it to generate a metrics log.
+    MdcOverride override = getStartTime(new MdcOverride());
+
+    String fullUrl = getFullUrl("/" + indexName + "/" + DEFAULT_TYPE + "/" + document.getId()
+        + "?version=" + document.getVersion(), false);
+    HttpURLConnection conn = initializeConnection(fullUrl);
+
+    try {
+      conn.setRequestMethod("PUT");
+    } catch (ProtocolException e) {
+      shutdownConnection(conn);
+      throw new DocumentStoreOperationException("Failed to set HTTP request method to PUT.", e);
+    }
+
+    attachDocument(conn, document);
+
+    logger.debug("Sending 'PUT' request to: " + conn.getURL());
+
+    handleResponse(conn, opResult);
+    buildDocumentResult(opResult, indexName);
+
+    // Generate a metrics log so we can track how long the operation took.
+    metricsLogger.info(SearchDbMsgs.UPDATE_DOCUMENT_TIME,
+        new LogFields()
+            .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode())
+            .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResult()),
+        override,
+        indexName,
+        document.getId());
+
+    shutdownConnection(conn);
+
+    return opResult;
+  }
+
+  @Override
+  public DocumentOperationResult deleteDocument(String indexName, DocumentStoreDataEntity document)
+      throws DocumentStoreOperationException {
+    DocumentOperationResult opResult = new DocumentOperationResult();
+
+    // Initialize operation result with a failure codes / fault string
+    opResult.setResultCode(500);
+    opResult.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT);
+
+    // Grab the current time so we can use it to generate a metrics log.
+    MdcOverride override = getStartTime(new MdcOverride());
+
+    String fullUrl = getFullUrl("/" + indexName + "/" + DEFAULT_TYPE + "/" + document.getId()
+        + "?version=" + document.getVersion(), false);
+    HttpURLConnection conn = initializeConnection(fullUrl);
+
+    try {
+      conn.setRequestMethod("DELETE");
+    } catch (ProtocolException e) {
+      shutdownConnection(conn);
+      throw new DocumentStoreOperationException("Failed to set HTTP request method to DELETE.", e);
+    }
+
+    logger.debug("\nSending 'DELETE' request to " + conn.getURL());
+
+    handleResponse(conn, opResult);
+    buildDocumentResult(opResult, indexName);
+    //supress the etag and url in response for delete as they are not required
+    if (opResult.getDocument() != null) {
+      opResult.getDocument().setEtag(null);
+      opResult.getDocument().setUrl(null);
+    }
+
+    // Generate a metrics log so we can track how long the operation took.
+    metricsLogger.info(SearchDbMsgs.DELETE_DOCUMENT_TIME,
+        new LogFields()
+            .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResult())
+            .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResultCode()),
+        override,
+        indexName,
+        document.getId());
+
+    shutdownConnection(conn);
+
+    return opResult;
+  }
+
+  @Override
+  public DocumentOperationResult getDocument(String indexName, DocumentStoreDataEntity document)
+      throws DocumentStoreOperationException {
+    DocumentOperationResult opResult = new DocumentOperationResult();
+
+    // Initialize operation result with a failure codes / fault string
+    opResult.setResultCode(500);
+    opResult.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT);
+
+    // Grab the current time so we can use it to generate a metrics log.
+    MdcOverride override = getStartTime(new MdcOverride());
+
+    String fullUrl = null;
+    if (document.getVersion() == null) {
+      fullUrl = getFullUrl("/" + indexName + "/" + DEFAULT_TYPE + "/" + document.getId(), false);
+    } else {
+      fullUrl = getFullUrl("/" + indexName + "/" + DEFAULT_TYPE + "/" + document.getId()
+          + "?version=" + document.getVersion(), false);
+    }
+    HttpURLConnection conn = initializeConnection(fullUrl);
+
+    logger.debug("\nSending 'GET' request to: " + conn.getURL());
+
+    handleResponse(conn, opResult);
+    buildDocumentResult(opResult, indexName);
+
+    // Generate a metrics log so we can track how long the operation took.
+    metricsLogger.info(SearchDbMsgs.GET_DOCUMENT_TIME,
+        new LogFields()
+            .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode())
+            .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResult()),
+        override,
+        indexName,
+        document.getId());
+
+    shutdownConnection(conn);
+
+    return opResult;
+  }
+
+  public SearchOperationResult search(String indexName, String queryString)
+      throws DocumentStoreOperationException {
+    SearchOperationResult opResult = new SearchOperationResult();
+
+    // Initialize operation result with a failure codes / fault string
+    opResult.setResultCode(500);
+    opResult.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT);
+
+    String fullUrl = getFullUrl("/" + indexName + "/_search" + "?" + queryString, false);
+
+    // Grab the current time so we can use it to generate a metrics log.
+    MdcOverride override = getStartTime(new MdcOverride());
+
+    HttpURLConnection conn = initializeConnection(fullUrl);
+
+    try {
+      conn.setRequestMethod("GET");
+    } catch (ProtocolException e) {
+      shutdownConnection(conn);
+      throw new DocumentStoreOperationException("Failed to set HTTP request method to GET.", e);
+    }
+
+    logger.debug("\nsearch(), Sending 'GET' request to URL : " + conn.getURL());
+
+    handleResponse(conn, opResult);
+    buildSearchResult(opResult, indexName);
+
+
+    metricsLogger.info(SearchDbMsgs.QUERY_DOCUMENT_TIME,
+        new LogFields()
+            .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode())
+            .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResult()),
+        override,
+        indexName,
+        queryString);
+
+    return opResult;
+  }
+
+  public SearchOperationResult searchWithPayload(String indexName, String query)
+      throws DocumentStoreOperationException {
+    SearchOperationResult opResult = new SearchOperationResult();
+
+    if (logger.isDebugEnabled()) {
+      logger.debug("Querying index: " + indexName + " with query string: " + query);
+    }
+
+    // Initialize operation result with a failure codes / fault string
+    opResult.setResultCode(500);
+    opResult.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT);
+
+    String fullUrl = getFullUrl("/" + indexName + "/_search", false);
+
+    // Grab the current time so we can use it to generate a metrics log.
+    MdcOverride override = getStartTime(new MdcOverride());
+
+    HttpURLConnection conn = initializeConnection(fullUrl);
+
+    try {
+      conn.setRequestMethod("POST");
+    } catch (ProtocolException e) {
+      shutdownConnection(conn);
+      throw new DocumentStoreOperationException("Failed to set HTTP request method to POST.", e);
+    }
+
+    attachContent(conn, query);
+
+    logger.debug("\nsearch(), Sending 'POST' request to URL : " + conn.getURL());
+    logger.debug("Request body =  Elasticsearch query = " + query);
+
+    handleResponse(conn, opResult);
+    buildSearchResult(opResult, indexName);
+
+    metricsLogger.info(SearchDbMsgs.QUERY_DOCUMENT_TIME,
+        new LogFields()
+            .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode())
+            .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResult()),
+        override,
+        indexName,
+        query);
+
+    shutdownConnection(conn);
+
+    return opResult;
+  }
+
+  private void attachContent(HttpURLConnection conn, String content)
+      throws DocumentStoreOperationException {
+    OutputStream outputStream = null;
+    OutputStreamWriter out = null;
+
+    try {
+      outputStream = conn.getOutputStream();
+    } catch (IOException e) {
+      shutdownConnection(conn);
+      throw new DocumentStoreOperationException("Failed to get connection output stream.", e);
+    }
+
+    out = new OutputStreamWriter(outputStream);
+
+    try {
+      out.write(content);
+      out.close();
+    } catch (IOException e) {
+      shutdownConnection(conn);
+      throw new DocumentStoreOperationException("Failed to write to the output stream.", e);
+    }
+  }
+
+  private HttpURLConnection initializeConnection(String fullUrl)
+      throws DocumentStoreOperationException {
+    URL url = null;
+    HttpURLConnection conn = null;
+
+    try {
+      url = new URL(fullUrl);
+    } catch (MalformedURLException e) {
+      throw new DocumentStoreOperationException("Error building a URL with " + url, e);
+    }
+
+    try {
+      conn = (HttpURLConnection) url.openConnection();
+      conn.setDoOutput(true);
+    } catch (IOException e) {
+      shutdownConnection(conn);
+      throw new DocumentStoreOperationException("Failed to open connection to URL " + url, e);
+    }
+
+    return conn;
+  }
+
+  private void handleResponse(HttpURLConnection conn, OperationResult opResult)
+      throws DocumentStoreOperationException {
+    int resultCode = 200;
+
+    try {
+      resultCode = conn.getResponseCode();
+    } catch (IOException e) {
+      shutdownConnection(conn);
+      throw new DocumentStoreOperationException("Failed to get the response code from the connection.", e);
+    }
+
+    logger.debug("Response Code : " + resultCode);
+
+    InputStream inputStream = null;
+
+    if (!(resultCode >= 200 && resultCode <= 299)) { // 2xx response indicates success
+      inputStream = conn.getErrorStream();
+    } else {
+      try {
+        inputStream = conn.getInputStream();
+      } catch (IOException e) {
+        shutdownConnection(conn);
+        throw new DocumentStoreOperationException("Failed to get the response input stream.", e);
+      }
+    }
+
+    InputStreamReader inputstreamreader = new InputStreamReader(inputStream);
+    BufferedReader bufferedreader = new BufferedReader(inputstreamreader);
+
+    StringBuilder result = new StringBuilder(128);
+    String string = null;
+
+    try {
+      while ((string = bufferedreader.readLine()) != null) {
+        result.append(string).append("\n");
+      }
+    } catch (IOException e) {
+      shutdownConnection(conn);
+      throw new DocumentStoreOperationException("Failed getting the response body payload.", e);
+    }
+
+    if (resultCode == Status.CONFLICT.getStatusCode()) {
+      opResult.setResultCode(Status.PRECONDITION_FAILED.getStatusCode());
+    } else {
+      opResult.setResultCode(resultCode);
+    }
+    if (logger.isDebugEnabled()) {
+      logger.debug("Raw result string from ElasticSearch = " + result.toString());
+    }
+    opResult.setResult(result.toString());
+    opResult.setResultVersion(extractVersion(result.toString()));
+  }
+
+  private String extractVersion(String result) throws DocumentStoreOperationException {
+
+    JSONParser parser = new JSONParser();
+    String version = null;
+    try {
+      JSONObject root = (JSONObject) parser.parse(result);
+      if (root.get("_version") != null) {
+        version = root.get("_version").toString();
+      }
+
+    } catch (ParseException e) {
+
+      // Not all responses from ElasticSearch include a version, so
+      // if we don't get one back, just return an empty string rather
+      // than trigger a false failure.
+      version = "";
+    }
+    return version;
+  }
+
+  /**
+   * This convenience method gets the current system time and stores
+   * it in an attribute in the supplied {@link MdcOverride} object so
+   * that it can be used later by the metrics logger.
+   *
+   * @param override - The {@link MdcOverride} object to update.
+   * @return - The supplied {@link MdcOverride} object.
+   */
+  private MdcOverride getStartTime(MdcOverride override) {
+
+    // Grab the current time...
+    long startTimeInMs = System.currentTimeMillis();
+
+    // ...and add it as an attribute to the supplied MDC Override
+    // object.
+    SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX");
+    override.addAttribute(MdcContext.MDC_START_TIME, formatter.format(startTimeInMs));
+
+    // Return the MdcOverride object that we were passed.
+    // This looks odd, but it allows us to do stuff like:
+    //
+    //    MdcOverride ov = getStartTime(new MdcOverride())
+    //
+    // which is quite handy, but also allows us to pass in an existing
+    // MdcOverride object which already has some attributes set.
+    return override;
+  }
+
+  private boolean isSuccess(OperationResult result) {
+
+    return isSuccessCode(result.getResultCode());
+  }
+
+
+  private boolean isSuccessCode(int statusCode) {
+    return ((statusCode >= 200) && (statusCode < 300));
+  }
+
+
+  @Override
+  public OperationResult performBulkOperations(BulkRequest[] requests)
+      throws DocumentStoreOperationException {
+
+    if (logger.isDebugEnabled()) {
+      String dbgString = "ESController: performBulkOperations - Operations: ";
+
+      for (BulkRequest request : requests) {
+        dbgString += "[" + request.toString() + "] ";
+      }
+
+      logger.debug(dbgString);
+    }
+
+    // Grab the current time so we can use it to generate a metrics log.
+    MdcOverride override = getStartTime(new MdcOverride());
+
+    // Parse the supplied set of operations.
+    // Iterate over the list of operations which we were provided and
+    // translate them into a format that ElasticSearh understands.
+    int opCount = 0;
+    StringBuilder esOperationSet = new StringBuilder(128);
+    List<ElasticSearchResultItem> rejected = new ArrayList<ElasticSearchResultItem>();
+    for (BulkRequest request : requests) {
+
+      // Convert the request to the syntax ElasticSearch likes.
+      if (buildEsOperation(request, esOperationSet, rejected)) {
+        opCount++;
+      }
+    }
+
+    ElasticSearchBulkOperationResult opResult = null;
+    if (opCount > 0) {
+
+      // Open an HTTP connection to the ElasticSearch back end.
+      String fullUrl = getFullUrl("/_bulk", false);
+      URL url;
+      HttpURLConnection conn;
+      try {
+
+        url = new URL(fullUrl);
+        conn = (HttpURLConnection) url.openConnection();
+        conn.setRequestMethod("PUT");
+        conn.setDoOutput(true);
+        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
+        conn.setRequestProperty("Connection", "Close");
+
+      } catch (IOException e) {
+
+        logger.warn(SearchDbMsgs.BULK_OPERATION_FAILURE, e.getMessage());
+        if (logger.isDebugEnabled()) {
+          logger.debug(Throwables.getStackTraceAsString(e));
+        }
+
+        throw new DocumentStoreOperationException("Failed to open connection to document store.  Cause: "
+            + e.getMessage(), e);
+      }
+
+      StringBuilder bulkResult = new StringBuilder(128);
+      try {
+        // Create an output stream to write our request to.
+        OutputStreamWriter out = new OutputStreamWriter(conn.getOutputStream());
+        ;
+
+        if (logger.isDebugEnabled()) {
+          logger.debug("ESController: Sending 'BULK' request to " + conn.getURL());
+          logger.debug("ESController: operations: " + esOperationSet.toString().replaceAll("\n",
+              "\\n"));
+        }
+
+        // Write the resulting request string to our output stream. (this sends the request to ES?)
+        out.write(esOperationSet.toString());
+        out.close();
+
+        // Open an input stream on our connection in order to read back the results.
+        InputStream is = conn.getInputStream();
+        InputStreamReader inputstreamreader = new InputStreamReader(is);
+        BufferedReader bufferedreader = new BufferedReader(inputstreamreader);
+
+        // Read the contents of the input stream into our result string...
+        String esResponseString = null;
+
+        while ((esResponseString = bufferedreader.readLine()) != null) {
+          bulkResult.append(esResponseString).append("\n");
+        }
+
+      } catch (IOException e) {
+
+        logger.warn(SearchDbMsgs.BULK_OPERATION_FAILURE, e.getMessage());
+        if (logger.isDebugEnabled()) {
+          StringWriter sw = new StringWriter();
+          e.printStackTrace(new PrintWriter(sw));
+          logger.debug(sw.toString());
+        }
+
+        throw new DocumentStoreOperationException("Failure interacting with document store.  Cause: "
+            + e.getMessage(), e);
+      }
+
+      if (logger.isDebugEnabled()) {
+        logger.debug("ESController: Received result string from ElasticSearch: = "
+            + bulkResult.toString());
+      }
+
+      // ...and marshal the resulting string into a Java object.
+      try {
+        opResult = marshallEsBulkResult(bulkResult.toString());
+
+      } catch (IOException e) {
+
+        logger.warn(SearchDbMsgs.BULK_OPERATION_FAILURE, e.getMessage());
+        if (logger.isDebugEnabled()) {
+          logger.debug(Throwables.getStackTraceAsString(e));
+        }
+
+        throw new DocumentStoreOperationException("Failed to marshal response body.  Cause: "
+            + e.getMessage(), e);
+      }
+    }
+
+    // Finally, build the operation result and return it to the caller.
+    OperationResult result = new OperationResult();
+    result.setResultCode(207);
+    result.setResult(buildGenericBulkResultSet(opResult, rejected));
+
+    // In the success case we don't want the entire result string to be
+    // dumped into the metrics log, so concatenate it.
+    String resultStringForMetricsLog = result.getResult();
+    if ((result.getResultCode() >= 200) && (result.getResultCode() < 300)) {
+      resultStringForMetricsLog = resultStringForMetricsLog.substring(0,
+          Math.max(resultStringForMetricsLog.length(), 85)) + "...";
+    }
+
+    metricsLogger.info(SearchDbMsgs.BULK_OPERATIONS_TIME,
+        new LogFields()
+            .setField(LogLine.DefinedFields.RESPONSE_CODE, result.getResultCode())
+            .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, resultStringForMetricsLog),
+        override);
+
+    return result;
+  }
+
+
+  /**
+   * This method converts a {@link BulkRequest} object into a json structure
+   * which can be understood by ElasticSearch.
+   *
+   * @param request - The request to be performed.
+   * @param sb      - The string builder to append the json data to
+   * @throws DocumentStoreOperationException
+   */
+  private boolean buildEsOperation(BulkRequest request, StringBuilder sb,
+                                   List<ElasticSearchResultItem> fails)
+      throws DocumentStoreOperationException {
+
+    boolean retVal = true;
+    OperationResult indexExistsResult = null;
+
+    // What kind of operation are we performing?
+    switch (request.getOperationType()) {
+
+      // Create a new document.
+      case CREATE:
+
+        // Make sure that we were supplied a document payload.
+        if (request.getOperation().getDocument() == null) {
+
+          fails.add(generateRejectionEntry(request.getOperationType(),
+              "Missing document payload",
+              request.getIndex(),
+              request.getId(),
+              400,
+              request.getOperation().getMetaData().getUrl()));
+          return false;
+        }
+
+        // Make sure that the supplied document URL is formatted
+        // correctly.
+        if (!ApiUtils.validateDocumentUri(request.getOperation().getMetaData().getUrl(), false)) {
+          fails.add(generateRejectionEntry(request.getOperationType(),
+              "Invalid document URL: " + request.getOperation().getMetaData().getUrl(),
+              request.getIndex(),
+              "",
+              400,
+              request.getOperation().getMetaData().getUrl()));
+          return false;
+        }
+
+        // Validate that the specified index actually exists before we
+        // try to perform the create.
+        if (!indexExists(ApiUtils.extractIndexFromUri(request.getOperation().getMetaData().getUrl()))) {
+
+          fails.add(generateRejectionEntry(request.getOperationType(),
+              "Specified resource does not exist: "
+                  + request.getOperation().getMetaData().getUrl(),
+              request.getIndex(),
+              request.getId(),
+              404,
+              request.getOperation().getMetaData().getUrl()));
+          return false;
+        }
+
+        // If we were supplied an id for the new document, then
+        // include it in the bulk operation to Elastic Search
+        if (request.getId() == null) {
+
+          sb.append(String.format(BULK_CREATE_WITHOUT_INDEX_TEMPLATE,
+              request.getIndex(),
+              DEFAULT_TYPE));
+
+          // Otherwise, we just leave that parameter off and ElasticSearch
+          // will generate one for us.
+        } else {
+          sb.append(String.format(BULK_CREATE_WITH_INDEX_TEMPLATE,
+              request.getIndex(),
+              DEFAULT_TYPE,
+              request.getId()));
+        }
+
+        try {
+          // Append the document that we want to create.
+          sb.append(request.getOperation().getDocument().toJson()).append("\n");
+        } catch (JsonProcessingException e) {
+          throw new DocumentStoreOperationException("Failure parsing document to json", e);
+        }
+
+        break;
+
+      // Update an existing document.
+      case UPDATE:
+
+        // Make sure that we were supplied a document payload.
+        if (request.getOperation().getDocument() == null) {
+
+          fails.add(generateRejectionEntry(request.getOperationType(),
+              "Missing document payload",
+              request.getIndex(),
+              request.getId(),
+              400,
+              request.getOperation().getMetaData().getUrl()));
+          return false;
+        }
+
+        // Make sure that the supplied document URL is formatted
+        // correctly.
+        if (!ApiUtils.validateDocumentUri(request.getOperation().getMetaData().getUrl(), true)) {
+          fails.add(generateRejectionEntry(request.getOperationType(),
+              "Invalid document URL: " + request.getOperation().getMetaData().getUrl(),
+              request.getIndex(),
+              "",
+              400,
+              request.getOperation().getMetaData().getUrl()));
+          return false;
+        }
+
+        // Validate that the specified index actually exists before we
+        // try to perform the update.
+        if (!indexExists(request.getIndex())) {
+
+          fails.add(generateRejectionEntry(request.getOperationType(),
+              "Specified resource does not exist: "
+                  + request.getOperation().getMetaData().getUrl(),
+              request.getIndex(),
+              request.getId(),
+              404,
+              request.getOperation().getMetaData().getUrl()));
+          return false;
+        }
+
+        // Validate that the document we are trying to update actually
+        // exists before we try to perform the update.
+        if (!documentExists(request.getIndex(), request.getId())) {
+
+          fails.add(generateRejectionEntry(request.getOperationType(),
+              "Specified resource does not exist: "
+                  + request.getOperation().getMetaData().getUrl(),
+              request.getIndex(),
+              request.getId(),
+              404,
+              request.getOperation().getMetaData().getUrl()));
+          return false;
+        }
+
+        // It is mandatory that a version be supplied for an update operation,
+        // so validate that now.
+        if (request.getOperation().getMetaData().getEtag() == null) {
+
+          fails.add(generateRejectionEntry(request.getOperationType(),
+              "Missing mandatory ETag field",
+              request.getIndex(),
+              request.getId(),
+              400,
+              request.getOperation().getMetaData().getUrl()));
+          return false;
+        }
+
+        // Generate the update request...
+        sb.append(String.format(BULK_IMPORT_INDEX_TEMPLATE,
+            request.getIndex(),
+            DEFAULT_TYPE,
+            request.getId(),
+            request.getOperation().getMetaData().getEtag()));
+
+        // ...and append the document that we want to update.
+        try {
+          sb.append(request.getOperation().getDocument().toJson()).append("\n");
+        } catch (JsonProcessingException e) {
+          throw new DocumentStoreOperationException("Failure parsing document to json", e);
+        }
+        break;
+
+      // Delete an existing document.
+      case DELETE:
+
+        // Make sure that the supplied document URL is formatted
+        // correctly.
+        if (!ApiUtils.validateDocumentUri(request.getOperation().getMetaData().getUrl(), true)) {
+          fails.add(generateRejectionEntry(request.getOperationType(),
+              "Invalid document URL: " + request.getOperation().getMetaData().getUrl(),
+              request.getIndex(),
+              "",
+              400,
+              request.getOperation().getMetaData().getUrl()));
+          return false;
+        }
+
+        // Validate that the specified index actually exists before we
+        // try to perform the delete.
+        if (!indexExists(request.getIndex())) {
+
+          fails.add(generateRejectionEntry(request.getOperationType(),
+              "Specified resource does not exist: "
+                  + request.getOperation().getMetaData().getUrl(),
+              request.getIndex(),
+              request.getId(),
+              404,
+              request.getOperation().getMetaData().getUrl()));
+          return false;
+        }
+
+        // Validate that the document we are trying to update actually
+        // exists before we try to perform the delete.
+        if (!documentExists(request.getIndex(), request.getId())) {
+
+          fails.add(generateRejectionEntry(request.getOperationType(),
+              "Specified resource does not exist: "
+                  + request.getOperation().getMetaData().getUrl(),
+              request.getIndex(),
+              request.getId(),
+              404,
+              request.getOperation().getMetaData().getUrl()));
+          return false;
+        }
+
+        // It is mandatory that a version be supplied for a delete operation,
+        // so validate that now.
+        if (request.getOperation().getMetaData().getEtag() == null) {
+
+          fails.add(generateRejectionEntry(request.getOperationType(),
+              "Missing mandatory ETag field",
+              request.getIndex(),
+              request.getId(),
+              400,
+              request.getOperation().getMetaData().getUrl()));
+          return false;
+        }
+
+        // Generate the delete request.
+        sb.append(String.format(BULK_DELETE_TEMPLATE,
+            request.getIndex(),
+            DEFAULT_TYPE,
+            request.getId(),
+            request.getOperation().getMetaData().getEtag()));
+        break;
+      default:
+    }
+
+    return retVal;
+  }
+
+  private boolean indexExists(String index) throws DocumentStoreOperationException {
+
+    OperationResult indexExistsResult = checkIndexExistence(index);
+
+    return ((indexExistsResult.getResultCode() >= 200)
+        && (indexExistsResult.getResultCode() < 300));
+  }
+
+  private boolean documentExists(String index, String id) throws DocumentStoreOperationException {
+
+    OperationResult docExistsResult = checkDocumentExistence(index, id);
+
+    return ((docExistsResult.getResultCode() >= 200) && (docExistsResult.getResultCode() < 300));
+  }
+
+  /**
+   * This method constructs a status entry for a bulk operation which has
+   * been rejected before even sending it to the document store.
+   *
+   * @param rejectReason - A message describing why the operation was rejected.
+   * @param anId         - The identifier associated with the document being
+   *                     acted on.
+   * @param statusCode  - An HTTP status code.
+   * @return - A result set item.
+   */
+  private ElasticSearchResultItem generateRejectionEntry(OperationType opType,
+                                                         String rejectReason,
+                                                         String index,
+                                                         String anId,
+                                                         int statusCode,
+                                                         String originalUrl) {
+
+    ElasticSearchError err = new ElasticSearchError();
+    err.setReason(rejectReason);
+
+    ElasticSearchOperationStatus op = new ElasticSearchOperationStatus();
+    op.setIndex(index);
+    op.setId(anId);
+    op.setStatus(statusCode);
+    op.setError(err);
+    op.setAdditionalProperties(ElasticSearchResultItem.REQUEST_URL, originalUrl);
+
+    ElasticSearchResultItem rejectionResult = new ElasticSearchResultItem();
+
+    switch (opType) {
+      case CREATE:
+        rejectionResult.setCreate(op);
+        break;
+      case UPDATE:
+        rejectionResult.setIndex(op);
+        break;
+      case DELETE:
+        rejectionResult.setDelete(op);
+        break;
+      default:
+    }
+
+    return rejectionResult;
+  }
+
+
+  /**
+   * This method takes the json structure returned from ElasticSearch in
+   * response to a bulk operations request and marshals it into a Java
+   * object.
+   *
+   * @param jsonResult - The bulk operations response returned from
+   *                   ElasticSearch.
+   * @return - The marshalled response.
+   * @throws JsonParseException
+   * @throws JsonMappingException
+   * @throws IOException
+   */
+  private ElasticSearchBulkOperationResult marshallEsBulkResult(String jsonResult)
+      throws JsonParseException, JsonMappingException, IOException {
+
+    if (jsonResult != null) {
+      if (logger.isDebugEnabled()) {
+        logger.debug("ESController: Marshalling ES result set from json: "
+            + jsonResult.replaceAll("\n", ""));
+      }
+
+      ObjectMapper mapper = new ObjectMapper();
+      mapper.setSerializationInclusion(Include.NON_EMPTY);
+
+      return mapper.readValue(jsonResult, ElasticSearchBulkOperationResult.class);
+    }
+
+    return null;
+  }
+
+
+  /**
+   * This method takes the marshalled ElasticSearch bulk response and
+   * converts it into a generic response payload.
+   *
+   * @param esResult - ElasticSearch bulk operations response.
+   * @return - A generic result set.
+   */
+  private String buildGenericBulkResultSet(ElasticSearchBulkOperationResult esResult,
+                                           List<ElasticSearchResultItem> rejectedOps) {
+
+    int totalOps = 0;
+    int totalSuccess = 0;
+    int totalFails = 0;
+
+    if (logger.isDebugEnabled()) {
+
+      logger.debug("ESController: Build generic result set.  ES Results: "
+          + ((esResult != null) ? esResult.toString() : "[]")
+          + " Rejected Ops: " + rejectedOps.toString());
+    }
+
+    // Build a combined list of result items from the results returned
+    // from ElasticSearch and the list of operations that we rejected
+    // without sending to ElasticSearch.
+    List<ElasticSearchResultItem> combinedResults = new ArrayList<ElasticSearchResultItem>();
+    if (esResult != null) {
+      combinedResults.addAll(Arrays.asList(esResult.getItems()));
+    }
+    combinedResults.addAll(rejectedOps);
+
+    // Iterate over the individual results in the resulting result set.
+    StringBuilder resultsBuilder = new StringBuilder();
+    AtomicBoolean firstItem = new AtomicBoolean(true);
+    for (ElasticSearchResultItem item : combinedResults) {
+
+      // Increment the operation counts.
+      totalOps++;
+      if (isSuccessCode(item.operationStatus().getStatus())) {
+        totalSuccess++;
+      } else {
+        totalFails++;
+      }
+
+      // Prepend a comma to our response string unless this it the
+      // first result in the set.
+      if (!firstItem.compareAndSet(true, false)) {
+        resultsBuilder.append(", ");
+      }
+
+      // Append the current result as a generic json structure.
+      resultsBuilder.append(item.toJson());
+    }
+
+    // Now, build the result string and return it.
+    String responseBody = "{ \"total_operations\": " + totalOps + ", "
+        + "\"total_success\": " + totalSuccess + ", "
+        + "\"total_fails\": " + totalFails + ", "
+        + "\"results\": ["
+        + resultsBuilder.toString()
+        + "]}";
+
+    return responseBody;
+  }
+
+
+  /**
+   * This method queryies ElasticSearch to determine if the supplied
+   * index is present in the document store.
+   *
+   * @param indexName - The index to look for.
+   * @return - An operation result indicating the success or failure of
+   * the check.
+   * @throws DocumentStoreOperationException
+   */
+  public OperationResult checkIndexExistence(String indexName)
+      throws DocumentStoreOperationException {
+
+    // Initialize operation result with a failure codes / fault string
+    OperationResult opResult = new OperationResult();
+    opResult.setResultCode(500);
+
+    // Grab the current time so we can use it to generate a metrics log.
+    MdcOverride override = getStartTime(new MdcOverride());
+
+    String fullUrl = getFullUrl("/" + indexName, false);
+    HttpURLConnection conn = initializeConnection(fullUrl);
+
+    try {
+      conn.setRequestMethod("HEAD");
+
+    } catch (ProtocolException e) {
+      shutdownConnection(conn);
+      throw new DocumentStoreOperationException("Failed to set HTTP request method to HEAD.", e);
+    }
+
+    logger.debug("Sending 'HEAD' request to: " + conn.getURL());
+
+    int resultCode;
+    try {
+      resultCode = conn.getResponseCode();
+    } catch (IOException e) {
+      shutdownConnection(conn);
+      throw new DocumentStoreOperationException("Failed to get the response code from the connection.", e);
+    }
+    logger.debug("Response Code : " + resultCode);
+
+    opResult.setResultCode(resultCode);
+
+    // Generate a metrics log so we can track how long the operation took.
+    metricsLogger.info(SearchDbMsgs.CHECK_INDEX_TIME,
+        new LogFields()
+            .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode())
+            .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResultCode()),
+        override,
+        indexName);
+
+    shutdownConnection(conn);
+
+    return opResult;
+  }
+
+
+  private void buildDocumentResult(DocumentOperationResult result, String index)
+      throws DocumentStoreOperationException {
+
+    JSONParser parser = new JSONParser();
+    JSONObject root;
+    try {
+      root = (JSONObject) parser.parse(result.getResult());
+
+      if (result.getResultCode() >= 200 && result.getResultCode() <= 299) {
+        // Success response object
+        Document doc = new Document();
+        doc.setEtag(result.getResultVersion());
+        doc.setUrl(buildDocumentResponseUrl(index, root.get("_id").toString()));
+
+        doc.setContent((JSONObject) root.get("_source"));
+        result.setDocument(doc);
+
+      } else {
+        // Error response object
+        JSONObject error = (JSONObject) root.get("error");
+        if (error != null) {
+          result.setError(new ErrorResult(error.get("type").toString(),
+              error.get("reason").toString()));
+        }
+
+      }
+    } catch (Exception e) {
+      throw new DocumentStoreOperationException("Failed to parse Elastic Search response."
+          + result.getResult());
+    }
+
+
+  }
+
+  private String buildDocumentResponseUrl(String index, String id) {
+    return ApiUtils.buildDocumentUri(index, id);
+  }
+
+  private void buildSearchResult(SearchOperationResult result, String index)
+      throws DocumentStoreOperationException {
+
+    JSONParser parser = new JSONParser();
+    JSONObject root;
+
+    try {
+      root = (JSONObject) parser.parse(result.getResult());
+      if (result.getResultCode() >= 200 && result.getResultCode() <= 299) {
+        JSONObject hits = (JSONObject) root.get("hits");
+        JSONArray hitArray = (JSONArray) hits.get("hits");
+        SearchHits searchHits = new SearchHits();
+        searchHits.setTotalHits(hits.get("total").toString());
+        ArrayList<SearchHit> searchHitArray = new ArrayList<SearchHit>();
+
+        for (int i = 0; i < hitArray.size(); i++) {
+          JSONObject hit = (JSONObject) hitArray.get(i);
+          SearchHit searchHit = new SearchHit();
+          searchHit.setScore((hit.get("_score") != null) ? hit.get("_score").toString() : "");
+          Document doc = new Document();
+          if (hit.get("_version") != null) {
+            doc.setEtag((hit.get("_version") != null) ? hit.get("_version").toString() : "");
+          }
+
+          doc.setUrl(buildDocumentResponseUrl(index, (hit.get("_id") != null)
+              ? hit.get("_id").toString() : ""));
+          doc.setContent((JSONObject) hit.get("_source"));
+          searchHit.setDocument(doc);
+          searchHitArray.add(searchHit);
+        }
+        searchHits.setHits(searchHitArray.toArray(new SearchHit[searchHitArray.size()]));
+        result.setSearchResult(searchHits);
+
+        JSONObject aggregations = (JSONObject) root.get("aggregations");
+        if (aggregations != null) {
+          AggregationResult[] aggResults =
+              AggregationParsingUtil.parseAggregationResults(aggregations);
+          AggregationResults aggs = new AggregationResults();
+          aggs.setAggregations(aggResults);
+          result.setAggregationResult(aggs);
+        }
+
+        // success
+      } else {
+        JSONObject error = (JSONObject) root.get("error");
+        if (error != null) {
+          result.setError(new ErrorResult(error.get("type").toString(),
+              error.get("reason").toString()));
+        }
+      }
+    } catch (Exception e) {
+      throw new DocumentStoreOperationException("Failed to parse Elastic Search response."
+          + result.getResult());
+    }
+
+  }
+
+}
\ No newline at end of file
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchOperationStatus.java b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchOperationStatus.java
new file mode 100644
index 0000000..e3f8e6a
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchOperationStatus.java
@@ -0,0 +1,119 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.elasticsearch.dao;
+
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class ElasticSearchOperationStatus {
+
+  private String index;
+  private String type;
+  private String id;
+  private String version;
+  private ElasticSearchShardStatus shards;
+  private Integer status;
+  private ElasticSearchError error;
+
+  private Map<String, Object> additionalProperties = new HashMap<String, Object>();
+
+
+  public ElasticSearchError getError() {
+    return error;
+  }
+
+  public void setError(ElasticSearchError error) {
+    this.error = error;
+  }
+
+  public Integer getStatus() {
+    return status;
+  }
+
+  public void setStatus(Integer status) {
+    this.status = status;
+  }
+
+  public ElasticSearchShardStatus getShards() {
+    return shards;
+  }
+
+  public void setShards(ElasticSearchShardStatus shards) {
+    this.shards = shards;
+  }
+
+  public String getIndex() {
+    return index;
+  }
+
+  public void setIndex(String index) {
+    this.index = index;
+  }
+
+  public String getType() {
+    return type;
+  }
+
+  public void setType(String type) {
+    this.type = type;
+  }
+
+  public String getId() {
+    return id;
+  }
+
+  public void setId(String id) {
+    this.id = id;
+  }
+
+  public String getVersion() {
+    return version;
+  }
+
+  public void setVersion(String version) {
+    this.version = version;
+  }
+
+  @JsonAnyGetter
+  public Map<String, Object> getAdditionalProperties() {
+    return additionalProperties;
+  }
+
+  @JsonAnySetter
+  public void setAdditionalProperties(String name, Object value) {
+    additionalProperties.put(name, value);
+  }
+
+  @Override
+  public String toString() {
+    return "ElasticSearchIndexStatus [index=" + index + ", type=" + type + ", id="
+        + id + ", version=" + version + ", shards=" + shards + ", status=" + status + "]";
+  }
+
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchResultItem.java b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchResultItem.java
new file mode 100644
index 0000000..28a235d
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchResultItem.java
@@ -0,0 +1,152 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.elasticsearch.dao;
+
+import org.openecomp.sa.rest.ApiUtils;
+
+public class ElasticSearchResultItem {
+
+  public static final String REQUEST_URL = "REQUEST_URL";
+
+  private ElasticSearchOperationStatus create;
+  private ElasticSearchOperationStatus index;
+  private ElasticSearchOperationStatus delete;
+
+  public ElasticSearchOperationStatus getCreate() {
+    return create;
+  }
+
+  public void setCreate(ElasticSearchOperationStatus index) {
+    this.create = index;
+  }
+
+  public ElasticSearchOperationStatus getIndex() {
+    return index;
+  }
+
+  public void setIndex(ElasticSearchOperationStatus index) {
+    this.index = index;
+  }
+
+  public ElasticSearchOperationStatus getDelete() {
+    return delete;
+  }
+
+  public void setDelete(ElasticSearchOperationStatus delete) {
+    this.delete = delete;
+  }
+
+  public String operationType() {
+
+    if (create != null) {
+      return "create";
+    }
+    if (index != null) {
+      return "update";
+    }
+    if (delete != null) {
+      return "delete";
+    }
+
+    return "unknown";
+  }
+
+  public ElasticSearchOperationStatus operationStatus() {
+
+    if (create != null) {
+      return create;
+    }
+    if (index != null) {
+      return index;
+    }
+    if (delete != null) {
+      return delete;
+    }
+
+    return null;
+  }
+
+
+  public String toJson() {
+    StringBuilder sb = new StringBuilder();
+
+    sb.append("{");
+
+    sb.append("\"operation\": \"").append(operationType()).append("\", ");
+
+    if (operationStatus().getAdditionalProperties().containsKey(REQUEST_URL)) {
+      sb.append("\"url\": \"").append(operationStatus().getAdditionalProperties()
+          .get(REQUEST_URL)).append("\", ");
+    } else {
+      sb.append("\"url\": \"").append(ApiUtils.buildDocumentUri(operationStatus()
+          .getIndex(), operationStatus().getId())).append("\", ");
+    }
+
+    // We don't want to include an etag field in the response in
+    // the case of a delete, since that would imply that the client
+    // could still access that version of the file in some manner
+    // (which we are not supporting).
+    if (!operationType().equals("delete")) {
+      sb.append("\"etag\": \"").append(operationStatus().getVersion()).append("\", ");
+    }
+    sb.append("\"status-code\": \"").append(operationStatus().getStatus()).append("\", ");
+
+    sb.append("\"status-message\": \"");
+
+    if ((operationStatus().getStatus() >= 200) && (operationStatus().getStatus() < 300)) {
+      sb.append("OK");
+    } else {
+      // Sometimes the error object doesn't get populated, so check
+      // before we try to reference it...
+      if (operationStatus().getError() != null) {
+        sb.append(operationStatus().getError().getReason());
+      } else {
+        sb.append("");
+      }
+    }
+    sb.append("\"");
+    sb.append("}");
+
+    return sb.toString();
+  }
+
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+
+    sb.append("ElasticSearchItemStatus [");
+    if (create != null) {
+      sb.append("create " + create);
+    } else if (index != null) {
+      sb.append("index " + index);
+    } else if (delete != null) {
+      sb.append("delete " + index);
+    }
+    sb.append("]");
+    return sb.toString();
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchShardStatus.java b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchShardStatus.java
new file mode 100644
index 0000000..77dc2ad
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchShardStatus.java
@@ -0,0 +1,64 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.elasticsearch.dao;
+
+public class ElasticSearchShardStatus {
+
+  private int total;
+  private int successful;
+  private int failed;
+
+  public int getTotal() {
+    return total;
+  }
+
+  public void setTotal(int total) {
+    this.total = total;
+  }
+
+  public int getSuccessful() {
+    return successful;
+  }
+
+  public void setSuccessful(int successful) {
+    this.successful = successful;
+  }
+
+  public int getFailed() {
+    return failed;
+  }
+
+  public void setFailed(int failed) {
+    this.failed = failed;
+  }
+
+  @Override
+  public String toString() {
+    return "ElasticSearchShardStatus [total=" + total + ", successful=" + successful
+        + ", failed=" + failed + "]";
+  }
+
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/exception/DocumentStoreOperationException.java b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/exception/DocumentStoreOperationException.java
new file mode 100644
index 0000000..4425754
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/exception/DocumentStoreOperationException.java
@@ -0,0 +1,39 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.elasticsearch.exception;
+
+public class DocumentStoreOperationException extends Exception {
+
+  private static final long serialVersionUID = -7689309913743200670L;
+
+  public DocumentStoreOperationException(String message, Exception ex) {
+    super(message, ex);
+  }
+
+  public DocumentStoreOperationException(String message) {
+    super(message);
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/entity/AggregationBucket.java b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/AggregationBucket.java
new file mode 100644
index 0000000..4877b0b
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/AggregationBucket.java
@@ -0,0 +1,79 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.entity;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import edu.emory.mathcs.backport.java.util.Arrays;
+
+public class AggregationBucket {
+  private Object key;
+
+  @JsonProperty("formatted-key")
+  private String formattedKey;
+
+  private Number count;
+
+  @JsonProperty("sub-aggregations")
+  private AggregationResult[] subAggregationResult;
+
+  public Object getKey() {
+    return key;
+  }
+
+  public void setKey(Object key) {
+    this.key = key;
+  }
+
+  public String getFormattedKey() {
+    return formattedKey;
+  }
+
+  public void setFormattedKey(String formattedKey) {
+    this.formattedKey = formattedKey;
+  }
+
+  public Number getCount() {
+    return count;
+  }
+
+  public void setCount(Number count) {
+    this.count = count;
+  }
+
+  public AggregationResult[] getSubAggregationResult() {
+    return subAggregationResult;
+  }
+
+  public void setSubAggregationResult(AggregationResult[] subAggregationResult) {
+    this.subAggregationResult = subAggregationResult;
+  }
+
+  @Override
+  public String toString() {
+    return "AggregationBucket [key=" + key + ", formattedKey=" + formattedKey + ", count=" + count
+        + ", subAggregationResult=" + Arrays.toString(subAggregationResult) + "]";
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/entity/AggregationResult.java b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/AggregationResult.java
new file mode 100644
index 0000000..3867975
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/AggregationResult.java
@@ -0,0 +1,79 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.entity;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import edu.emory.mathcs.backport.java.util.Arrays;
+
+public class AggregationResult {
+  private String name;
+
+  private Number count;
+
+  private AggregationBucket[] buckets;
+
+  @JsonProperty("nested-aggregations")
+  private AggregationResult[] nestedAggregations;
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public AggregationBucket[] getBuckets() {
+    return buckets;
+  }
+
+  public void setBuckets(AggregationBucket[] buckets) {
+    this.buckets = buckets;
+  }
+
+  public AggregationResult[] getNestedAggregations() {
+    return nestedAggregations;
+  }
+
+  public void setNestedAggregations(AggregationResult[] nestedAggregations) {
+    this.nestedAggregations = nestedAggregations;
+  }
+
+  public Number getCount() {
+    return count;
+  }
+
+  public void setCount(Number count) {
+    this.count = count;
+  }
+
+  @Override
+  public String toString() {
+    return "AggregationResult [name=" + name + ", count=" + count + ", buckets="
+        + Arrays.toString(buckets) + ", nestedAggregations=" + Arrays.toString(nestedAggregations)
+        + "]";
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/entity/AggregationResults.java b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/AggregationResults.java
new file mode 100644
index 0000000..f2f7f8f
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/AggregationResults.java
@@ -0,0 +1,45 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.entity;
+
+import java.util.Arrays;
+
+public class AggregationResults {
+  private AggregationResult[] aggregations;
+
+  public AggregationResult[] getAggregations() {
+    return aggregations;
+  }
+
+  public void setAggregations(AggregationResult[] aggregations) {
+    this.aggregations = aggregations;
+  }
+
+  @Override
+  public String toString() {
+    return "AggregationResults [aggregations=" + Arrays.toString(aggregations) + "]";
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/entity/Document.java b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/Document.java
new file mode 100644
index 0000000..53e83dd
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/Document.java
@@ -0,0 +1,65 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.entity;
+
+import org.json.simple.JSONObject;
+
+public class Document {
+  private String etag;
+  private String url;
+
+  private JSONObject content;
+
+  public String getEtag() {
+    return etag;
+  }
+
+  public void setEtag(String etag) {
+    this.etag = etag;
+  }
+
+  public String getUrl() {
+    return url;
+  }
+
+  public void setUrl(String url) {
+    this.url = url;
+  }
+
+  public JSONObject getContent() {
+    return content;
+  }
+
+  public void setContent(JSONObject content) {
+    this.content = content;
+  }
+
+  @Override
+  public String toString() {
+    return "Document [etag=" + etag + ", url=" + url + "]";
+  }
+
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/entity/DocumentOperationResult.java b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/DocumentOperationResult.java
new file mode 100644
index 0000000..2af5e9e
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/DocumentOperationResult.java
@@ -0,0 +1,44 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.entity;
+
+public class DocumentOperationResult extends OperationResult {
+  private Document document;
+
+  public Document getDocument() {
+    return document;
+  }
+
+  public void setDocument(Document document) {
+    this.document = document;
+  }
+
+  @Override
+  public String toString() {
+    return "DocumentOperationResult [document=" + document + "]";
+  }
+
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/entity/ErrorResult.java b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/ErrorResult.java
new file mode 100644
index 0000000..7171c66
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/ErrorResult.java
@@ -0,0 +1,60 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.entity;
+
+public class ErrorResult {
+
+  private String type;
+  private String reason;
+
+
+  public ErrorResult(String type, String reason) {
+    super();
+    this.type = type;
+    this.reason = reason;
+  }
+
+  public String getType() {
+    return type;
+  }
+
+  public void setType(String type) {
+    this.type = type;
+  }
+
+  public String getReason() {
+    return reason;
+  }
+
+  public void setReason(String reason) {
+    this.reason = reason;
+  }
+
+  @Override
+  public String toString() {
+    return "ErrorResponse [type=" + type + ", reason=" + reason + "]";
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/entity/OperationResult.java b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/OperationResult.java
new file mode 100644
index 0000000..b496fb4
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/OperationResult.java
@@ -0,0 +1,82 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.entity;
+
+public class OperationResult {
+
+  private int resultCode;
+
+  private String failureCause;
+  private String resultVersion;
+  private String result;
+  private ErrorResult error;
+
+  public int getResultCode() {
+    return resultCode;
+  }
+
+  public void setResultCode(int resultCode) {
+    this.resultCode = resultCode;
+  }
+
+  public String getFailureCause() {
+    return failureCause;
+  }
+
+  public void setFailureCause(String failureCause) {
+    this.failureCause = failureCause;
+  }
+
+  public String getResultVersion() {
+    return resultVersion;
+  }
+
+  public void setResultVersion(String resultVersion) {
+    this.resultVersion = resultVersion;
+  }
+
+  public String getResult() {
+    return result;
+  }
+
+  public void setResult(String result) {
+    this.result = result;
+  }
+
+  public ErrorResult getError() {
+    return error;
+  }
+
+  public void setError(ErrorResult error) {
+    this.error = error;
+  }
+
+  @Override
+  public String toString() {
+    return "OperationResult [resultCode=" + resultCode + ", failureCause=" + failureCause
+        + ", resultVersion=" + resultVersion + ", result=" + result + ", error=" + error + "]";
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/entity/SearchHit.java b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/SearchHit.java
new file mode 100644
index 0000000..b4077e9
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/SearchHit.java
@@ -0,0 +1,52 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.entity;
+
+public class SearchHit {
+  private String score;
+  Document document;
+
+  public String getScore() {
+    return score;
+  }
+
+  public void setScore(String score) {
+    this.score = score;
+  }
+
+  public Document getDocument() {
+    return document;
+  }
+
+  public void setDocument(Document document) {
+    this.document = document;
+  }
+
+  @Override
+  public String toString() {
+    return "SearchHit [score=" + score + ", document=" + document + "]";
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/entity/SearchHits.java b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/SearchHits.java
new file mode 100644
index 0000000..bbaf2f8
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/SearchHits.java
@@ -0,0 +1,54 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.entity;
+
+import java.util.Arrays;
+
+public class SearchHits {
+  private String totalHits;
+  private SearchHit[] hits;
+
+  public String getTotalHits() {
+    return totalHits;
+  }
+
+  public void setTotalHits(String totalHits) {
+    this.totalHits = totalHits;
+  }
+
+  public SearchHit[] getHits() {
+    return hits;
+  }
+
+  public void setHits(SearchHit[] hits) {
+    this.hits = hits;
+  }
+
+  @Override
+  public String toString() {
+    return "SearchHits [totalHits=" + totalHits + ", hits=" + Arrays.toString(hits) + "]";
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/entity/SearchOperationResult.java b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/SearchOperationResult.java
new file mode 100644
index 0000000..be00d77
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/entity/SearchOperationResult.java
@@ -0,0 +1,54 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.entity;
+
+public class SearchOperationResult extends OperationResult {
+
+  private SearchHits searchResult;
+  private AggregationResults aggregationResult;
+
+  public SearchHits getSearchResult() {
+    return searchResult;
+  }
+
+  public AggregationResults getAggregationResult() {
+    return aggregationResult;
+  }
+
+  public void setAggregationResult(AggregationResults aggregations) {
+    this.aggregationResult = aggregations;
+  }
+
+  public void setSearchResult(SearchHits hits) {
+    this.searchResult = hits;
+  }
+
+  @Override
+  public String toString() {
+    return "SearchOperationResult [searchResult=" + searchResult
+        + ", aggregationResult=" + aggregationResult;
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/logging/SearchDbMsgs.java b/src/main/java/org/openecomp/sa/searchdbabstraction/logging/SearchDbMsgs.java
new file mode 100644
index 0000000..0b415d2
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/logging/SearchDbMsgs.java
@@ -0,0 +1,226 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.logging;
+
+import com.att.eelf.i18n.EELFResourceManager;
+import org.openecomp.cl.eelf.LogMessageEnum;
+
+public enum SearchDbMsgs implements LogMessageEnum {
+
+  /**
+   * Arguments:
+   * None
+   */
+  SERVICE_STARTED,
+
+  /**
+   * Arguments:
+   * {0} = url
+   */
+  ELASTIC_SEARCH_CONNECTION_ATTEMPT,
+
+  /**
+   * Arguments:
+   * {0} = url
+   */
+  ELASTIC_SEARCH_CONNECTION_SUCCESS,
+
+  /**
+   * Arguments:
+   * {0} = url
+   * {1} = failure cause
+   */
+  ELASTIC_SEARCH_CONNECTION_FAILURE,
+
+  /**
+   * Arguments:
+   * {0} = Filter configuration file.
+   * {1} = Failure cause.
+   */
+  FILTERS_CONFIG_FAILURE,
+
+  /**
+   * Arguments:
+   * {0} = Analysys configuration file.
+   * {1} = Failure case.
+   */
+  ANALYSYS_CONFIG_FAILURE,
+
+  /**
+   * Arguments:
+   * {0} = Index name
+   */
+  CREATED_INDEX,
+
+  /**
+   * Arguments:
+   * {0} = Index name
+   * {1} = Document type
+   */
+  CREATE_INDEX_TIME,
+
+  /**
+   * Arguments:
+   * {0} = Index name
+   */
+  DELETED_INDEX,
+
+  /**
+   * Arguments:
+   * {0} = Index name
+   */
+  DELETE_INDEX_TIME,
+
+  /**
+   * Arguments:
+   * {0} = Index name
+   */
+  CHECK_INDEX_TIME,
+
+  /**
+   * Arguments:
+   * {0} = Index name
+   */
+  CREATE_DOCUMENT_TIME,
+
+  /**
+   * Arguments:
+   * {0} = Index name
+   * {1} = Document id
+   */
+  UPDATE_DOCUMENT_TIME,
+
+  /**
+   * Arguments:
+   * {0} = Index name
+   * {1} = Document id
+   */
+  DELETE_DOCUMENT_TIME,
+
+  /**
+   * Arguments:
+   * {0} = Index name
+   * {1} = Document id
+   */
+  GET_DOCUMENT_TIME,
+
+  /**
+   * Arguments:
+   * {0} = Index name
+   * {1} = Query string
+   */
+  QUERY_DOCUMENT_TIME,
+
+  /**
+   * Arguments:
+   */
+  BULK_OPERATIONS_TIME,
+
+  /**
+   * Arguments:
+   */
+  PROCESSED_BULK_OPERATIONS,
+
+  /**
+   * Arguments:
+   * {0} = Event
+   * {1} = Result
+   */
+  PROCESS_EVENT,
+
+  /**
+   * Arguments:
+   * {0} = URL.
+   */
+  PROCESS_INLINE_QUERY,
+
+  /**
+   * Arguments
+   * {0} - Operation type (GET or POST)
+   * {1} - URL.
+   */
+  PROCESS_PAYLOAD_QUERY,
+
+  /**
+   * Arguments:
+   * {0} = Index
+   * {1} = Error
+   */
+  INDEX_CREATE_FAILURE,
+
+  /**
+   * Arguments:
+   * {0} = Index name
+   * {1} = Error cause
+   */
+  INDEX_DELETE_FAILURE,
+
+  /**
+   * Arguments:
+   * {0} = Failure cause.
+   */
+  GET_ANALYZERS_FAILURE,
+
+  /**
+   * Arguments:
+   * {0} = Failure cause.
+   */
+  BULK_OPERATION_FAILURE,
+
+  /**
+   * Arguments:
+   * {0} = Method
+   * {1} = Exception
+   */
+  EXCEPTION_DURING_METHOD_CALL,
+
+  /**
+   * Received request {0} {1} from {2}.  Sending response: {3}
+   *
+   * <p>Arguments:
+   * {0} = operation
+   * {1} = target URL
+   * {2} = source
+   * {3} = response code
+   */
+  PROCESS_REST_REQUEST,
+
+  STARTUP_EXCEPTION
+  /**
+   * Exception encountered during startup of search service: {0}
+   *
+   * <p>Arguments:
+   *    {0} = exception
+   */
+  ;
+
+  /**
+   * Load message bundle (SearchDbMsgs.properties file)
+   */
+  static {
+    EELFResourceManager.loadMessageBundle("logging/SearchDbMsgs");
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/AbstractAggregation.java b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/AbstractAggregation.java
new file mode 100644
index 0000000..6359227
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/AbstractAggregation.java
@@ -0,0 +1,82 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.searchapi;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+
+/**
+ * This is the common parent from which all aggregation types inherit.  It defines
+ * the common fields that all aggregations must include.
+ */
+public abstract class AbstractAggregation {
+
+  /**
+   * The name of the field to apply the aggregation against.
+   */
+  protected String field;
+
+  /**
+   * Optionally allows the number of buckets for the aggregation to be
+   * specified.
+   */
+  protected Integer size;
+
+  /**
+   * Optionally sets the minimum number of matches that must occur before
+   * a particular bucket is included in the aggregation result.
+   */
+  @JsonProperty("min-threshold")
+  protected Integer minThreshold;
+
+
+  public String getField() {
+    return field;
+  }
+
+  public void setField(String field) {
+    this.field = field;
+  }
+
+  public Integer getSize() {
+    return size;
+  }
+
+  public void setSize(Integer size) {
+    this.size = size;
+  }
+
+  public Integer getMinThreshold() {
+    return minThreshold;
+  }
+
+  public void setMinThreshold(Integer minThreshold) {
+    this.minThreshold = minThreshold;
+  }
+
+  public abstract String toElasticSearch();
+
+  public abstract String toString();
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/Aggregation.java b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/Aggregation.java
new file mode 100644
index 0000000..2cb42c6
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/Aggregation.java
@@ -0,0 +1,67 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.searchapi;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class Aggregation {
+  private String name;
+
+  @JsonProperty("aggregation")
+  private AggregationStatement aggregation;
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public AggregationStatement getStatement() {
+    return aggregation;
+  }
+
+  public void setStatement(AggregationStatement aggregation) {
+    this.aggregation = aggregation;
+  }
+
+  public String toElasticSearch() {
+    StringBuffer sb = new StringBuffer();
+
+    sb.append("\"");
+    sb.append(name);
+    sb.append("\": ");
+    sb.append(aggregation.toElasticSearch());
+
+    return sb.toString();
+  }
+
+  @Override
+  public String toString() {
+    return "{name: " + name + ", aggregation: " + aggregation.toString();
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/AggregationStatement.java b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/AggregationStatement.java
new file mode 100644
index 0000000..cf2314e
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/AggregationStatement.java
@@ -0,0 +1,178 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.searchapi;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import java.util.Arrays;
+
+public class AggregationStatement {
+
+  @JsonProperty("group-by")
+  private GroupByAggregation groupBy;
+
+  @JsonProperty("date-range")
+  private DateRangeAggregation dateRange;
+
+  @JsonProperty("date-histogram")
+  private DateHistogramAggregation dateHist;
+
+  @JsonProperty("nested")
+  private Aggregation[] nested;
+
+  @JsonProperty("sub-aggregations")
+  private Aggregation[] subAggregations;
+
+  public GroupByAggregation getGroupBy() {
+    return groupBy;
+  }
+
+  public void setGroupBy(GroupByAggregation groupBy) {
+    this.groupBy = groupBy;
+  }
+
+  public DateRangeAggregation getDateRange() {
+    return dateRange;
+  }
+
+  public void setDateRange(DateRangeAggregation dateRange) {
+    this.dateRange = dateRange;
+  }
+
+  public DateHistogramAggregation getDateHist() {
+    return dateHist;
+  }
+
+  public void setDateHist(DateHistogramAggregation dateHist) {
+    this.dateHist = dateHist;
+  }
+
+  public Aggregation[] getNested() {
+    return nested;
+  }
+
+  public void setNested(Aggregation[] nested) {
+    this.nested = nested;
+  }
+
+  public Aggregation[] getSubAggregations() {
+    return subAggregations;
+  }
+
+  public void setSubAggregations(Aggregation[] subAggregations) {
+    this.subAggregations = subAggregations;
+  }
+
+  public String toElasticSearch() {
+    StringBuffer sb = new StringBuffer();
+
+    sb.append("{");
+
+    if (nested != null && nested.length > 0) {
+      sb.append("\"nested\": {\"path\": \"");
+      if (nested[0].getStatement() != null) {
+        sb.append(nested[0].getStatement().getNestedPath());
+      }
+      sb.append("\"}, \"aggs\": {");
+      for (int i = 0; i < nested.length; i++) {
+        if (i > 0) {
+          sb.append(",");
+        }
+        sb.append(nested[i].toElasticSearch());
+      }
+
+      sb.append("}");
+    } else {
+      if (groupBy != null) {
+        sb.append(groupBy.toElasticSearch());
+      } else if (dateRange != null) {
+        sb.append(dateRange.toElasticSearch());
+      } else if (dateHist != null) {
+        sb.append(dateHist.toElasticSearch());
+      }
+
+      if (subAggregations != null && subAggregations.length > 0) {
+        sb.append(", \"aggs\": {");
+        for (int i = 0; i < subAggregations.length; i++) {
+          if (i > 0) {
+            sb.append(",");
+          }
+          sb.append(subAggregations[i].toElasticSearch());
+        }
+        sb.append("}");
+      }
+    }
+
+    sb.append("}");
+
+    return sb.toString();
+  }
+
+  @Override
+  public String toString() {
+    StringBuffer sb = new StringBuffer();
+
+    if (nested != null) {
+      sb.append("{nested: ");
+      sb.append(Arrays.toString(nested));
+    } else if (groupBy != null) {
+      sb.append(groupBy.toString());
+    } else if (dateHist != null) {
+      sb.append(dateHist.toString());
+    } else if (dateRange != null) {
+      sb.append(dateRange.toString());
+    }
+
+    if (subAggregations != null) {
+      sb.append(", sub-aggregations: ");
+      sb.append(Arrays.toString(subAggregations));
+    }
+
+    sb.append("}");
+
+    return sb.toString();
+  }
+
+  public String getNestedPath() {
+    String path = null;
+    String fieldName = null;
+
+    if (groupBy != null) {
+      fieldName = groupBy.getField();
+    } else if (dateRange != null) {
+      fieldName = dateRange.getField();
+    } else if (dateHist != null) {
+      fieldName = dateHist.getField();
+    }
+
+    if (fieldName != null && fieldName.contains(".")) {
+      // we have nested field
+      path = fieldName.substring(0, fieldName.indexOf("."));
+    }
+
+    return path;
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/DateHistogramAggregation.java b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/DateHistogramAggregation.java
new file mode 100644
index 0000000..bc62a95
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/DateHistogramAggregation.java
@@ -0,0 +1,119 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.searchapi;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+/**
+ * An example of elasticsearch date_histogram aggregation:
+ *
+ * <p><pre>
+ * {
+ *    "aggs": {
+ *        "my_group": {
+ *            "date_histogram" : {
+ *               "field" : "date",
+ *               "interval" : "month"
+ *           }
+ *        }
+ *    }
+ * }
+ * </pre>
+ */
+
+public class DateHistogramAggregation extends AbstractAggregation {
+
+  private String interval;
+
+  private String format;
+
+  @JsonProperty("time-zone")
+  private String timeZone;
+
+
+  public String getInterval() {
+    return interval;
+  }
+
+  public void setInterval(String interval) {
+    this.interval = interval;
+  }
+
+  public String getTimeZone() {
+    return timeZone;
+  }
+
+  public String getFormat() {
+    return format;
+  }
+
+  public void setFormat(String format) {
+    this.format = format;
+  }
+
+  public void setTimeZone(String timeZone) {
+    this.timeZone = timeZone;
+  }
+
+  @Override
+  public String toElasticSearch() {
+    StringBuilder sb = new StringBuilder();
+
+    sb.append("\"date_histogram\": {\"field\": \"");
+    sb.append(field);
+    sb.append("\"");
+    if (interval != null) {
+      sb.append(", \"interval\": \"");
+      sb.append(interval);
+      sb.append("\"");
+    }
+    if (format != null) {
+      sb.append(", \"format\": \"");
+      sb.append(format);
+      sb.append("\"");
+    }
+    if (timeZone != null) {
+      sb.append(", \"time_zone\": \"");
+      sb.append(timeZone);
+      sb.append("\"");
+    }
+    if (size != null) {
+      sb.append(", \"size\": ");
+      sb.append(size);
+    }
+    if (minThreshold != null) {
+      sb.append(", \"min_doc_count\": ").append(minThreshold);
+    }
+    sb.append("}");
+
+    return sb.toString();
+  }
+
+  @Override
+  public String toString() {
+    return "DateHistogramAggregation: [field=" + field + ", interval=" + interval + ", format="
+        + format + ", timeZone=" + timeZone + ", size=" + size + " minThreshold=" + minThreshold;
+  }
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/DateRange.java b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/DateRange.java
new file mode 100644
index 0000000..1bd0240
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/DateRange.java
@@ -0,0 +1,115 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.searchapi;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+/**
+ * This class represents the ranges specification in an date_range statement.
+ * <p>
+ * The expected JSON structure for a ranges is as follows:
+ * <p>
+ * <pre>
+ * {
+ *  "from": <from-date>
+ * }
+ * </pre>
+ * <p>
+ * or
+ * <p>
+ * <pre>
+ * {
+ *  "to": <to-date>
+ * }
+ * </pre>
+ * <p>
+ * or
+ * <p>
+ * <pre>
+ * {
+ *  "from": <from-date>,
+ *  "to": <to-date>
+ * }
+ * </pre>
+ *
+ * @author sye
+ */
+public class DateRange {
+
+  @JsonProperty("from")
+  private String fromDate;
+
+  @JsonProperty("to")
+  private String toDate;
+
+  public String getFromDate() {
+    return fromDate;
+  }
+
+  public void setFromDate(String fromDate) {
+    this.fromDate = fromDate;
+  }
+
+  public String getToDate() {
+    return toDate;
+  }
+
+  public void setToDate(String toDate) {
+    this.toDate = toDate;
+  }
+
+  public String toElasticSearch() {
+    StringBuilder sb = new StringBuilder();
+
+    sb.append("{");
+
+    if (fromDate != null) {
+      sb.append("\"from\": \"");
+      sb.append(fromDate.toString());
+      sb.append("\"");
+    }
+
+    if (toDate != null) {
+      if (fromDate != null) {
+        sb.append(", \"to\": \"");
+        sb.append(toDate.toString());
+        sb.append("\"");
+      } else {
+        sb.append("\"to\": \"");
+        sb.append(toDate.toString());
+        sb.append("\"");
+      }
+    }
+
+    sb.append("}");
+
+    return sb.toString();
+  }
+
+  public String toString() {
+    return "{from: " + fromDate + ", to: " + toDate + "}";
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/DateRangeAggregation.java b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/DateRangeAggregation.java
new file mode 100644
index 0000000..f938e68
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/DateRangeAggregation.java
@@ -0,0 +1,133 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.searchapi;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+/**
+ * An example of a date_range aggregation:
+ *
+ * <p><pre>
+ * {
+ *    "aggs": {
+ *        "range": {
+ *            "date_range": {
+ *                "field": "date",
+ *                "format": "MM-yyy",
+ *                "ranges": [
+ *                    { "to": "now-10M/M" },
+ *                    { "from": "now-10M/M" }
+ *                ]
+ *            }
+ *        }
+ *    }
+ * }
+ * </pre>
+ *
+ * @author sye
+ */
+public class DateRangeAggregation extends AbstractAggregation {
+
+
+  private String format;
+
+  @JsonProperty("ranges")
+  private DateRange[] dateRanges;
+
+
+  public String getFormat() {
+    return format;
+  }
+
+  public void setFormat(String format) {
+    this.format = format;
+  }
+
+  public DateRange[] getDateRanges() {
+    return dateRanges;
+  }
+
+  public void setDateRanges(DateRange[] dateRanges) {
+    this.dateRanges = dateRanges;
+  }
+
+  @Override
+  public String toElasticSearch() {
+    StringBuilder sb = new StringBuilder();
+
+    sb.append("\"date_range\": {\"field\": \"");
+    sb.append(field);
+    sb.append("\"");
+
+    if (format != null) {
+      sb.append(", \"format\": \"");
+      sb.append(format);
+      sb.append("\"");
+    }
+
+    if (dateRanges != null && dateRanges.length > 0) {
+      sb.append(", \"ranges\": [");
+
+      for (int i = 0; i < dateRanges.length; i++) {
+        if (i > 0) {
+          sb.append(",");
+        }
+        sb.append(dateRanges[i].toElasticSearch());
+      }
+
+      sb.append("]");
+    }
+
+    if (size != null) {
+      sb.append(", \"size\": ");
+      sb.append(size);
+    }
+
+    if (minThreshold != null) {
+      sb.append(", \"min_doc_count\": ").append(minThreshold);
+    }
+
+    sb.append("}");
+
+    return sb.toString();
+  }
+
+  @Override
+  public String toString() {
+    StringBuffer sb = new StringBuffer();
+    sb.append("date-range: {field: " + field + ", format: " + format + ", size: " + size
+        + ", minThreshold: " + minThreshold + "ranges: [");
+    for (int i = 0; i < dateRanges.length; i++) {
+      if (i > 0) {
+        sb.append(",");
+      }
+      sb.append(dateRanges[i].toString());
+    }
+    sb.append("]");
+
+    return sb.toString();
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/Filter.java b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/Filter.java
new file mode 100644
index 0000000..13519ae
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/Filter.java
@@ -0,0 +1,190 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.searchapi;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * This class represents the filter stanza in a search statement.
+ *
+ * <p>The expected JSON structure for a filter stanza is as follows:
+ * <pre>
+ * {
+ *     "filter": {
+ *        "all": [ {query structure}, {query structure}, ... {query structure} ],
+ *        "any": [ {query structure}, {query structure}, ... {query structure} ]
+ *     }
+ * }
+ * </pre>
+ */
+public class Filter {
+
+  /**
+   * All queries in this list must evaluate to true for the filter to pass.
+   */
+  private QueryStatement[] all;
+
+  /**
+   * Any one of the queries in this list must evaluate to true for the
+   * filter to pass.
+   */
+  private QueryStatement[] any;
+
+
+  public QueryStatement[] getAll() {
+    return all;
+  }
+
+  public void setAll(QueryStatement[] all) {
+    this.all = all;
+  }
+
+  public QueryStatement[] getAny() {
+    return any;
+  }
+
+  public void setAny(QueryStatement[] any) {
+    this.any = any;
+  }
+
+  /**
+   * This method returns a string which represents this filter in syntax
+   * that is understandable by ElasticSearch and is suitable for inclusion
+   * in an ElasticSearch query string.
+   *
+   * @return - ElasticSearch syntax string.
+   */
+  public String toElasticSearch() {
+
+    StringBuilder sb = new StringBuilder();
+
+    List<QueryStatement> notMatchQueries = new ArrayList<QueryStatement>();
+    sb.append("{");
+    sb.append("\"bool\": {");
+
+    // Add the queries from our 'all' list.
+    int matchQueriesCount = 0;
+    int notMatchQueriesCount = 0;
+    if (all != null) {
+      sb.append("\"must\": [");
+
+      for (QueryStatement query : all) {
+        if (matchQueriesCount > 0) {
+          sb.append(", ");
+        }
+
+        if (query.isNotMatch()) {
+          notMatchQueries.add(query);
+        } else {
+          sb.append(query.toElasticSearch());
+          matchQueriesCount++;
+        }
+      }
+      sb.append("],");
+
+
+      sb.append("\"must_not\": [");
+      for (QueryStatement query : notMatchQueries) {
+        if (notMatchQueriesCount > 0) {
+          sb.append(", ");
+        }
+        sb.append(query.toElasticSearch());
+        notMatchQueriesCount++;
+      }
+      sb.append("]");
+    }
+
+    // Add the queries from our 'any' list.
+    notMatchQueries.clear();
+    if (any != null) {
+      if (all != null) {
+        sb.append(",");
+      }
+      sb.append("\"should\": [");
+
+      matchQueriesCount = 0;
+      for (QueryStatement query : any) {
+        //if(!firstQuery.compareAndSet(true, false)) {
+        if (matchQueriesCount > 0) {
+          sb.append(", ");
+        }
+
+        if (query.isNotMatch()) {
+          notMatchQueries.add(query);
+        } else {
+          sb.append(query.toElasticSearch());
+          matchQueriesCount++;
+        }
+      }
+      sb.append("],");
+
+      //firstQuery.set(true);
+      notMatchQueriesCount = 0;
+      sb.append("\"must_not\": [");
+      for (QueryStatement query : notMatchQueries) {
+        //if(!firstQuery.compareAndSet(true, false)) {
+        if (notMatchQueriesCount > 0) {
+          sb.append(", ");
+        }
+        sb.append(query.toElasticSearch());
+        notMatchQueriesCount++;
+      }
+      sb.append("]");
+    }
+    sb.append("}");
+    sb.append("}");
+
+    return sb.toString();
+  }
+
+  @Override
+  public String toString() {
+
+    StringBuilder sb = new StringBuilder();
+
+    sb.append("{");
+
+    sb.append("all: [");
+    if (all != null) {
+      for (QueryStatement query : all) {
+        sb.append(query.toString());
+      }
+    }
+    sb.append("], ");
+
+    sb.append("any: [");
+    if (any != null) {
+      for (QueryStatement query : any) {
+        sb.append(query.toString());
+      }
+    }
+    sb.append("] ");
+
+    sb.append("}");
+
+    return sb.toString();
+  }
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/GroupByAggregation.java b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/GroupByAggregation.java
new file mode 100644
index 0000000..3225a93
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/GroupByAggregation.java
@@ -0,0 +1,73 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.searchapi;
+
+/**
+ * An example of a date_range aggregation:
+ *
+ * <p><pre>
+ * {
+ *    "aggs": {
+ *        "my_group": {
+ *            "term": {
+ *                "field": "group"
+ *            }
+ *        }
+ *    }
+ * }
+ * </pre>
+ *
+ * @author sye
+ */
+public class GroupByAggregation extends AbstractAggregation {
+
+  @Override
+  public String toElasticSearch() {
+    StringBuilder sb = new StringBuilder();
+
+    sb.append("\"terms\": {\"field\": \"");
+    sb.append(field);
+    sb.append("\"");
+    if (size != null) {
+      sb.append(", \"size\": ");
+      sb.append(size);
+    }
+
+    if (minThreshold != null) {
+      sb.append(", \"min_doc_count\": ").append(minThreshold);
+    }
+
+    sb.append("}");
+
+    return sb.toString();
+  }
+
+  @Override
+  public String toString() {
+    return "{group-by: {field: " + field + ", size: " + size
+        + " minThreshold: " + minThreshold + "}}";
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/ParsedQuery.java b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/ParsedQuery.java
new file mode 100644
index 0000000..8b07d50
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/ParsedQuery.java
@@ -0,0 +1,120 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.searchapi;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+/**
+ * This class represents a simple parsed query statement.
+ *
+ * <p>A 'parsed query' specifies a document field to inspect and a query
+ * string which will be parsed by the document store to generate the
+ * exact query to be performed.
+ *
+ * <p>The query string will be tokenized into 'terms' and 'operators' where:
+ *
+ * <p>Terms may be any of the following:
+ * <ul>
+ * <li> single words </li>
+ * <li> exact phrases (denoted by surrounding the phrase with '"' characters) </li>
+ * <li> regular expressions (denoted by surrounding the phrase with '/' characters) </li>
+ * </ul>
+ *
+ * <p>Operators may be any of the following:
+ * <ul>
+ * <li> +   -- The term to the right of the operator MUST be present to produce a match. </li>
+ * <li> -   -- The term to the right of the operator MUST NOT be present to produce a match. </li>
+ * <li> AND -- Both the terms to the left and right of the operator MUST be present to produce a match. </li>
+ * <li> OR  -- Either the term to the left or right of the operator MUST be present to produce a match. </li>
+ * <li> NOT -- The term to the right of the operator MUST NOT be present to produce a match. </li>
+ * </ul>
+ *
+ * <p>The expected JSON structure for a parsed query is as follows:
+ * <pre>
+ *     {
+ *         "parsed-query": {
+ *             "field": "fieldname",
+ *             "query-string": "string"
+ *         }
+ *     }
+ * </pre>
+ */
+public class ParsedQuery {
+
+  /**
+   * The name of the field which the query is to be applied to.
+   */
+  private String field;
+
+  /**
+   * The string to be parsed to generate the full query.
+   */
+  @JsonProperty("query-string")
+  private String queryString;
+
+
+  public String getField() {
+    return field;
+  }
+
+  public void setField(String field) {
+    this.field = field;
+  }
+
+  public String getQueryString() {
+    return queryString;
+  }
+
+  public void setQueryString(String queryString) {
+    this.queryString = queryString;
+  }
+
+
+  /**
+   * This method returns a string which represents this query in syntax
+   * that is understandable by ElasticSearch and is suitable for inclusion
+   * in an ElasticSearch query string.
+   *
+   * @return - ElasticSearch syntax string.
+   */
+  public String toElasticSearch() {
+
+    StringBuilder sb = new StringBuilder();
+
+    sb.append("{");
+    sb.append("\"query_string\": {");
+    sb.append("\"default_field\": \"").append(field).append("\", ");
+    sb.append("\"query\": \"").append(queryString).append("\"");
+    sb.append("}");
+    sb.append("}");
+
+    return sb.toString();
+  }
+
+  @Override
+  public String toString() {
+    return "{field:" + field + ", query-string: '" + queryString + "'}";
+  }
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/Query.java b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/Query.java
new file mode 100644
index 0000000..1b9c1ed
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/Query.java
@@ -0,0 +1,94 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.searchapi;
+
+public class Query {
+
+  private QueryStatement may;
+  private QueryStatement must;
+
+  public QueryStatement getMay() {
+    return may;
+  }
+
+  public void setMay(QueryStatement may) {
+    this.may = may;
+  }
+
+  public QueryStatement getMust() {
+    return must;
+  }
+
+  public void setMust(QueryStatement must) {
+    this.must = must;
+  }
+
+  public QueryStatement getQueryStatement() {
+    if (isMust()) {
+      return must;
+    } else if (isMay()) {
+      return may;
+    } else {
+      return null;
+    }
+  }
+
+  public boolean isMust() {
+    return must != null;
+  }
+
+  public boolean isMay() {
+    return may != null;
+  }
+
+  public String toElasticSearch() {
+
+    if (isMust()) {
+      return must.toElasticSearch();
+    } else if (isMay()) {
+      return may.toElasticSearch();
+    } else {
+      return ""; // throw an exception?
+    }
+  }
+
+  @Override
+  public String toString() {
+
+    StringBuilder sb = new StringBuilder();
+
+    sb.append("Query:[");
+    if (isMust()) {
+      sb.append("must: ").append(must.toString());
+    } else if (isMay()) {
+      sb.append("may: ").append(may.toString());
+    } else {
+      sb.append("INVALID");
+    }
+    sb.append("]");
+
+    return sb.toString();
+  }
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/QueryStatement.java b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/QueryStatement.java
new file mode 100644
index 0000000..f5fc367
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/QueryStatement.java
@@ -0,0 +1,142 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.searchapi;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class QueryStatement {
+
+  private TermQuery match;
+
+  @JsonProperty("not-match")
+  private TermQuery notMatch;
+
+  @JsonProperty("parsed-query")
+  private ParsedQuery parsedQuery;
+
+  private RangeQuery range;
+
+  public TermQuery getMatch() {
+    return match;
+  }
+
+  public void setMatch(TermQuery match) {
+    this.match = match;
+  }
+
+  public TermQuery getNotMatch() {
+    return notMatch;
+  }
+
+  public void setNotMatch(TermQuery notMatch) {
+    this.notMatch = notMatch;
+  }
+
+  public ParsedQuery getParsedQuery() {
+    return parsedQuery;
+  }
+
+  public void setParsedQuery(ParsedQuery parsedQuery) {
+    this.parsedQuery = parsedQuery;
+  }
+
+  public RangeQuery getRange() {
+    return range;
+  }
+
+  public void setRange(RangeQuery range) {
+    this.range = range;
+  }
+
+  public boolean isNotMatch() {
+    return (notMatch != null);
+  }
+
+  public String toElasticSearch() {
+
+    if (match != null) {
+      return match.toElasticSearch();
+
+    } else if (notMatch != null) {
+      return notMatch.toElasticSearch();
+
+    } else if (parsedQuery != null) {
+
+      // We need some special wrapping if this query is against a nested field.
+      if (fieldIsNested(parsedQuery.getField())) {
+        return "{\"nested\": { \"path\": \"" + pathForNestedField(parsedQuery.getField())
+            + "\", \"query\": " + parsedQuery.toElasticSearch() + "}}";
+      } else {
+        return parsedQuery.toElasticSearch();
+      }
+
+    } else if (range != null) {
+
+      // We need some special wrapping if this query is against a nested field.
+      if (fieldIsNested(range.getField())) {
+        return "{\"nested\": { \"path\": \"" + pathForNestedField(range.getField())
+            + "\", \"query\": " + range.toElasticSearch() + "}}";
+      } else {
+        return range.toElasticSearch();
+      }
+
+    } else {
+      // throw an exception?
+      return null;
+    }
+  }
+
+  private boolean fieldIsNested(String field) {
+    return field.contains(".");
+  }
+
+  private String pathForNestedField(String field) {
+    int index = field.lastIndexOf('.');
+    return field.substring(0, index);
+  }
+
+  @Override
+  public String toString() {
+
+    StringBuilder sb = new StringBuilder();
+
+    sb.append("{");
+
+    if (match != null) {
+      sb.append("TERM QUERY: { match: {").append(match.toString()).append("}}");
+    } else if (notMatch != null) {
+      sb.append("TERM QUERY: { not-match: {").append(match.toString()).append("}}");
+    } else if (parsedQuery != null) {
+      sb.append("PARSED QUERY: { ").append(parsedQuery.toString()).append("}");
+    } else if (range != null) {
+      sb.append("RANGE QUERY: { ").append(range.toString()).append("}");
+    } else {
+      sb.append("UNDEFINED");
+    }
+
+    sb.append("}");
+    return sb.toString();
+  }
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/RangeQuery.java b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/RangeQuery.java
new file mode 100644
index 0000000..fcb0212
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/RangeQuery.java
@@ -0,0 +1,348 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.searchapi;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+/**
+ * This class represents a simple range query.
+ *
+ * <p>A range query is composed of one or more operator/value pairs which define
+ * the upper and lower bounds of the range, and a field to apply the query to.
+ *
+ * <p>Operators may be one of the following:
+ * <ul>
+ * <li>gt  - Greater than. </li>
+ * <li>gte - Greater than or equal to. </li>
+ * <li>lt  - Less than. </li>
+ * <li>lte - Less than or equal to. </li>
+ * </ul>
+ * Values may be either numeric values (Integer or Double) or Strings representing
+ * dates.
+ *
+ * <p>The following examples illustrate a couple of variants of the range query:
+ *
+ * <p><pre>
+ *     // A simple numeric range query:
+ *     {
+ *         "range": {
+ *             "field": "fieldname",
+ *             "gte": 5,
+ *             "lte": 10
+ *         }
+ *     }
+ *
+ *     // A simple date range query:
+ *     {
+ *         "range": {
+ *             "field": "fieldname",
+ *             "gt": "2016-10-06T00:00:00.558+03:00",
+ *             "lt": "2016-10-06T23:59:59.558+03:00"
+ *         }
+ *     }
+ * </pre>
+ */
+public class RangeQuery {
+
+  /**
+   * The name of the field to apply the range query against.
+   */
+  private String field;
+
+  /**
+   * The value of the field must be greater than this value to be a match.<br>
+   * NOTE: Only one of 'gt' or 'gte' should be set on any single {@link RangeQuery}
+   * instance.
+   */
+  private Object gt;
+
+  /**
+   * The value of the field must be greater than or equal to this value to be a match.<br>
+   * NOTE: Only one of 'gt' or 'gte' should be set on any single {@link RangeQuery}
+   * instance.
+   */
+  private Object gte;
+
+  /**
+   * The value of the field must be less than this value to be a match.<br>
+   * NOTE: Only one of 'lt' or 'lte' should be set on any single {@link RangeQuery}
+   * instance.
+   */
+  private Object lt;
+
+  /**
+   * The value of the field must be less than or equal to than this value to be a match.<br>
+   * NOTE: Only one of 'lt' or 'lte' should be set on any single {@link RangeQuery}
+   * instance.
+   */
+  private Object lte;
+
+  private String format;
+
+  @JsonProperty("time-zone")
+  private String timeZone;
+
+  public String getField() {
+    return field;
+  }
+
+  public void setField(String field) {
+    this.field = field;
+  }
+
+  public Object getGt() {
+    return gt;
+  }
+
+  public void setGt(Object gt) {
+
+    // It does not make sense to assign a value to both the 'greater than'
+    // and 'greater than or equal' operations, so make sure we are not
+    // trying to do that.
+    if (gte == null) {
+
+      // Make sure that we are not trying to mix both numeric and date
+      // type values in the same queries.
+      if (((lt != null) && !typesMatch(gt, lt))
+          || ((lte != null) && !typesMatch(gt, lte))) {
+        throw new IllegalArgumentException("Cannot mix date and numeric values in the same ranged query");
+      }
+
+      // If we made it here, then we're all good.  Store the value.
+      this.gt = gt;
+    } else {
+      throw new IllegalArgumentException("Cannot assign both 'gt' and 'gte' fields in the same ranged query");
+    }
+  }
+
+
+  public Object getGte() {
+    return gte;
+  }
+
+  public void setGte(Object gte) {
+
+    // It does not make sense to assign a value to both the 'greater than'
+    // and 'greater than or equal' operations, so make sure we are not
+    // trying to do that.
+    if (gt == null) {
+
+      // Make sure that we are not trying to mix both numeric and date
+      // type values in the same queries.
+      if (((lt != null) && !typesMatch(gte, lt))
+          || ((lte != null) && !typesMatch(gte, lte))) {
+        throw new IllegalArgumentException("Cannot mix date and numeric values in the same ranged query");
+      }
+
+      // If we made it here, then we're all good.  Store the value.
+      this.gte = gte;
+
+    } else {
+      throw new IllegalArgumentException("Cannot assign both 'gt' and 'gte' fields in the same ranged query");
+    }
+  }
+
+  public Object getLt() {
+    return lt;
+  }
+
+  public void setLt(Object lt) {
+
+    // It does not make sense to assign a value to both the 'less than'
+    // and 'less than or equal' operations, so make sure we are not
+    // trying to do that.
+    if (lte == null) {
+
+      // Make sure that we are not trying to mix both numeric and date
+      // type values in the same queries.
+      if (((gt != null) && !typesMatch(lt, gt))
+          || ((gte != null) && !typesMatch(lt, gte))) {
+        throw new IllegalArgumentException("Cannot mix date and numeric values in the same ranged query");
+      }
+
+      // If we made it here, then we're all good.  Store the value.
+
+      this.lt = lt;
+    } else {
+      throw new IllegalArgumentException("Cannot assign both 'lt' and 'lte' fields in the same ranged query");
+    }
+  }
+
+  public Object getLte() {
+    return lte;
+  }
+
+  public void setLte(Object lte) {
+
+    // It does not make sense to assign a value to both the 'greater than'
+    // and 'greater than or equal' operations, so make sure we are not
+    // trying to do that.
+    if (lt == null) {
+
+      // Make sure that we are not trying to mix both numeric and date
+      // type values in the same queries.
+      if (((gt != null) && !typesMatch(lte, gt))
+          || ((gte != null) && !typesMatch(lte, gte))) {
+        throw new IllegalArgumentException("Cannot mix date and numeric values in the same ranged query");
+      }
+
+      // If we made it here, then we're all good.  Store the value.
+
+      this.lte = lte;
+    } else {
+      throw new IllegalArgumentException("Cannot assign both 'lt' and 'lte' fields in the same ranged query");
+    }
+  }
+
+  public String getFormat() {
+    return format;
+  }
+
+  public void setFormat(String format) {
+    this.format = format;
+  }
+
+  public String getTimeZone() {
+    return timeZone;
+  }
+
+  public void setTimeZone(String timeZone) {
+    this.timeZone = timeZone;
+  }
+
+  /**
+   * This convenience method determines whether or not the supplied
+   * value needs to be enclosed in '"' characters when generating
+   * ElasticSearch compatible syntax.
+   *
+   * @param val - The value to check.
+   * @return - A string representation of the value for inclusion
+   *     in an ElasticSearch syntax string.
+   */
+  private String formatStringOrNumericVal(Object val) {
+
+    if (val instanceof String) {
+      return "\"" + val.toString() + "\"";
+    } else {
+      return val.toString();
+    }
+  }
+
+
+  /**
+   * This convenience method verifies that the supplied objects are
+   * of classes considered to be compatible for a ranged query.
+   *
+   * @param value1 - The first value to check.
+   * @param value2 - The second value to check.
+   * @return - True if the two objects are compatible for inclusion in the
+   *     same ranged query, False, otherwise.
+   */
+  boolean typesMatch(Object value1, Object value2) {
+
+    return ((value1 instanceof String) && (value2 instanceof String))
+        || (!(value1 instanceof String) && !(value2 instanceof String));
+  }
+
+
+  /**
+   * This method returns a string which represents this query in syntax
+   * that is understandable by ElasticSearch and is suitable for inclusion
+   * in an ElasticSearch query string.
+   *
+   * @return - ElasticSearch syntax string.
+   */
+  public String toElasticSearch() {
+
+    StringBuilder sb = new StringBuilder();
+
+    sb.append("{");
+    sb.append("\"range\": {");
+    sb.append("\"").append(field).append("\": {");
+
+    // We may have one or zero of 'greater than' or 'greater
+    // than or equal'
+    boolean needComma = false;
+    if (gte != null) {
+      sb.append("\"gte\": ").append(formatStringOrNumericVal(gte));
+      needComma = true;
+    } else if (gt != null) {
+      sb.append("\"gt\": ").append(formatStringOrNumericVal(gt));
+      needComma = true;
+    }
+
+    // We may have one or zero of 'less than' or 'less
+    // than or equal'
+    if (lte != null) {
+      if (needComma) {
+        sb.append(", ");
+      }
+      sb.append("\"lte\": ").append(formatStringOrNumericVal(lte));
+    } else if (lt != null) {
+      if (needComma) {
+        sb.append(", ");
+      }
+      sb.append("\"lt\": ").append(formatStringOrNumericVal(lt));
+    }
+
+    // Append the format specifier if one was provided.
+    if (format != null) {
+      sb.append(", \"format\": \"").append(format).append("\"");
+    }
+
+    // Append the time zone specifier if one was provided.
+    if (timeZone != null) {
+      sb.append(", \"time_zone\": \"").append(timeZone).append("\"");
+    }
+
+    sb.append("}");
+    sb.append("}");
+    sb.append("}");
+
+    return sb.toString();
+  }
+
+  @Override
+  public String toString() {
+
+    String str = "{ field: " + field + ", ";
+
+    if (gt != null) {
+      str += "gt: " + gt;
+    } else if (gte != null) {
+      str += "gte: " + gte;
+    }
+
+    if (lt != null) {
+      str += (((gt != null) || (gte != null)) ? ", " : "") + "lt: " + lt;
+    } else if (lte != null) {
+      str += (((gt != null) || (gte != null)) ? ", " : "") + "lte: " + lte;
+    }
+
+    str += "}";
+
+    return str;
+  }
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/SearchStatement.java b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/SearchStatement.java
new file mode 100644
index 0000000..e111163
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/SearchStatement.java
@@ -0,0 +1,325 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.searchapi;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import org.radeox.util.logging.Logger;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+/**
+ * This class represents the structure of a search statement.
+ *
+ * <p>The expected JSON structure to represent a search statement is as follows:
+ *
+ * <p><pre>
+ *     {
+ *         "results-start": int,  - Optional: index of starting point in result set.
+ *         "results-size": int,   - Optional: maximum number of documents to include in result set.
+ *
+ *         "filter": {
+ *             { filter structure - see {@link Filter} }
+ *         },
+ *
+ *         "queries": [
+ *             { query structure - see {@link QueryStatement} },
+ *             { query structure - see {@link QueryStatement} },
+ *                              .
+ *                              .
+ *             { query structure - see {@link QueryStatement} },
+ *         ],
+ *
+ *         "aggregations": [
+ *             { aggregation structure - see {@link AggregationStatement} },
+ *             { aggregation structure - see {@link AggregationStatement} },
+ *                              .
+ *                              .
+ *             { aggregation structure - see {@link AggregationStatement} },
+ *         ]
+ *     }
+ * </pre>
+ */
+public class SearchStatement {
+
+  /**
+   * Defines the filters that should be applied before running the
+   * actual queries.  This is optional.
+   */
+  private Filter filter;
+
+  /**
+   * The list of queries to be applied to the document store.
+   */
+  private Query[] queries;
+
+  /**
+   * The list of aggregations to be applied to the search
+   */
+  private Aggregation[] aggregations;
+
+  /**
+   * Defines the sort criteria to apply to the query result set.
+   * This is optional.
+   */
+  private Sort sort;
+
+  @JsonProperty("results-start")
+  private Integer resultsStart;
+
+  @JsonProperty("results-size")
+  private Integer size;
+
+  public Filter getFilter() {
+    return filter;
+  }
+
+  public void setFilter(Filter filter) {
+    this.filter = filter;
+  }
+
+  public Query[] getQueries() {
+    return queries;
+  }
+
+  public void setQueries(Query[] queries) {
+    this.queries = queries;
+  }
+
+  public Sort getSort() {
+    return sort;
+  }
+
+  public void setSort(Sort sort) {
+    this.sort = sort;
+  }
+
+  public boolean isFiltered() {
+    return filter != null;
+  }
+
+  public Aggregation[] getAggregations() {
+    return aggregations;
+  }
+
+  public void setAggregations(Aggregation[] aggregations) {
+    this.aggregations = aggregations;
+  }
+
+  public boolean hasAggregations() {
+    return aggregations != null && aggregations.length > 0;
+  }
+
+  public Integer getFrom() {
+    return resultsStart;
+  }
+
+  public void setFrom(Integer from) {
+    this.resultsStart = from;
+  }
+
+  public Integer getSize() {
+    return size;
+  }
+
+  public void setSize(Integer size) {
+    this.size = size;
+  }
+
+  /**
+   * This method returns a string which represents this statement in syntax
+   * that is understandable by ElasticSearch and is suitable for inclusion
+   * in an ElasticSearch query string.
+   *
+   * @return - ElasticSearch syntax string.
+   */
+  public String toElasticSearch() {
+
+    StringBuilder sb = new StringBuilder();
+    List<QueryStatement> notMatchQueries = new ArrayList<QueryStatement>();
+    List<QueryStatement> mustQueries = new ArrayList<QueryStatement>();
+    List<QueryStatement> shouldQueries = new ArrayList<QueryStatement>();
+
+    createQueryLists(queries, mustQueries, shouldQueries, notMatchQueries);
+
+    sb.append("{");
+
+    sb.append("\"version\": true,");
+
+    // If the client has specified an index into the results for the first
+    // document in the result set then include that in the ElasticSearch
+    // query.
+    if (resultsStart != null) {
+      sb.append("\"from\": ").append(resultsStart).append(", ");
+    }
+
+    // If the client has specified a maximum number of documents to be returned
+    // in the result set then include that in the ElasticSearch query.
+    if (size != null) {
+      sb.append("\"size\": ").append(size).append(", ");
+    }
+
+    sb.append("\"query\": {");
+    sb.append("\"bool\": {");
+
+    sb.append("\"must\": [");
+    AtomicBoolean firstQuery = new AtomicBoolean(true);
+    for (QueryStatement query : mustQueries) {
+
+      if (!firstQuery.compareAndSet(true, false)) {
+        sb.append(", ");
+      }
+
+      sb.append(query.toElasticSearch());
+    }
+    sb.append("], ");
+
+    sb.append("\"should\": [");
+
+    firstQuery = new AtomicBoolean(true);
+    for (QueryStatement query : shouldQueries) {
+
+      if (!firstQuery.compareAndSet(true, false)) {
+        sb.append(", ");
+      }
+
+      sb.append(query.toElasticSearch());
+    }
+
+    sb.append("],"); // close should list
+
+    sb.append("\"must_not\": [");
+    firstQuery.set(true);
+    for (QueryStatement query : notMatchQueries) {
+      sb.append(query.toElasticSearch());
+    }
+    sb.append("]");
+
+    // Add the filter stanza, if one is required.
+    if (isFiltered()) {
+      sb.append(", \"filter\": ").append(filter.toElasticSearch());
+    }
+
+    sb.append("}"); // close bool clause
+    sb.append("}"); // close query clause
+
+    // Add the sort directive, if one is required.
+    if (sort != null) {
+      sb.append(", \"sort\": ").append(sort.toElasticSearch());
+    }
+
+    // Add aggregations
+    if (hasAggregations()) {
+      sb.append(", \"aggs\": {");
+
+      for (int i = 0; i < aggregations.length; i++) {
+        if (i > 0) {
+          sb.append(",");
+        }
+        sb.append(aggregations[i].toElasticSearch());
+      }
+
+      sb.append("}");
+    }
+
+    sb.append("}");
+
+    Logger.debug("Generated raw ElasticSearch query statement: " + sb.toString());
+    return sb.toString();
+  }
+
+  private void createQueryLists(Query[] queries, List<QueryStatement> mustList,
+                                List<QueryStatement> mayList, List<QueryStatement> mustNotList) {
+
+    for (Query query : queries) {
+
+      if (query.isMust()) {
+
+        if (query.getQueryStatement().isNotMatch()) {
+          mustNotList.add(query.getQueryStatement());
+        } else {
+          mustList.add(query.getQueryStatement());
+        }
+      } else {
+
+        if (query.getQueryStatement().isNotMatch()) {
+          mustNotList.add(query.getQueryStatement());
+        } else {
+          mayList.add(query.getQueryStatement());
+        }
+      }
+    }
+  }
+
+
+  @Override
+  public String toString() {
+
+    StringBuilder sb = new StringBuilder();
+
+    sb.append("SEARCH STATEMENT: {");
+
+    if (size != null) {
+      sb.append("from: ").append(resultsStart).append(", size: ").append(size).append(", ");
+    }
+
+    if (filter != null) {
+      sb.append("filter: ").append(filter.toString()).append(", ");
+    }
+
+    sb.append("queries: [");
+    AtomicBoolean firstQuery = new AtomicBoolean(true);
+    if (queries != null) {
+      for (Query query : queries) {
+
+        if (!firstQuery.compareAndSet(true, false)) {
+          sb.append(", ");
+        }
+        sb.append(query.toString());
+      }
+    }
+    sb.append("]");
+
+    sb.append("aggregations: [");
+    firstQuery = new AtomicBoolean(true);
+
+    if (aggregations != null) {
+      for (Aggregation agg : aggregations) {
+
+        if (!firstQuery.compareAndSet(true, false)) {
+          sb.append(", ");
+        }
+        sb.append(agg.toString());
+      }
+    }
+    sb.append("]");
+
+    sb.append("]}");
+
+    return sb.toString();
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/Sort.java b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/Sort.java
new file mode 100644
index 0000000..968a7ad
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/Sort.java
@@ -0,0 +1,76 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.searchapi;
+
+public class Sort {
+
+  private String field;
+  private SortDirection order = null;
+
+  public enum SortDirection {
+    ascending,
+    descending
+  }
+
+  public String getField() {
+    return field;
+  }
+
+  public void setField(String field) {
+    this.field = field;
+  }
+
+  public SortDirection getOrder() {
+    return order;
+  }
+
+  public void setOrder(SortDirection order) {
+    this.order = order;
+  }
+
+  public String toElasticSearch() {
+
+    StringBuilder sb = new StringBuilder();
+
+    sb.append("{ \"").append(field).append("\": { \"order\": ");
+
+    // If a sort order wasn't explicitly supplied, default to 'ascending'.
+    if (order != null) {
+      switch (order) {
+        case ascending:
+          sb.append("\"asc\"}}");
+          break;
+        case descending:
+          sb.append("\"desc\"}}");
+          break;
+        default:
+      }
+    } else {
+      sb.append("\"asc\"}}");
+    }
+
+    return sb.toString();
+  }
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/TermQuery.java b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/TermQuery.java
new file mode 100644
index 0000000..e4dba59
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/searchapi/TermQuery.java
@@ -0,0 +1,349 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.searchapi;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import edu.emory.mathcs.backport.java.util.Arrays;
+
+import java.util.List;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+/**
+ * This class represents a simple term query.
+ *
+ * <p>A term query takes an operator, a field to apply the query to and a value to match
+ * against the query contents.
+ *
+ * <p>Valid operators include:
+ * <ul>
+ * <li> match - Field must contain the supplied value to produce a match. </li>
+ * <li> not-match - Field must NOT contain the supplied value to produce a match. </li>
+ * </ul>
+ * The following examples illustrate the structure of a few variants of the
+ * term query:
+ *
+ * <p><pre>
+ *     // Single Field Match Query:
+ *     {
+ *         "match": {"field": "searchTags", "value": "abcd"}
+ *     }
+ *
+ *     // Single Field Not-Match query:
+ *     {
+ *         "not-match": {"field": "searchTags", "value": "efgh"}
+ *     }
+ * </pre>
+ *
+ * <p><pre>
+ *     // Multi Field Match Query With A Single Value:
+ *     {
+ *         "match": {"field": "entityType searchTags", "value": "pserver"}
+ *     }
+ *
+ *     // Multi Field Match Query With Multiple Values:
+ *     {
+ *         "match": {"field": "entityType searchTags", "value": "pserver tenant"}
+ *     }
+ * </pre>
+ */
+public class TermQuery {
+
+  /**
+   * The name of the field to apply the term query to.
+   */
+  private String field;
+
+  /**
+   * The value which the field must contain in order to have a match.
+   */
+  private Object value;
+
+  /**
+   * For multi field queries only.  Determines the rules for whether or not a document matches
+   * the query, as follows:
+   *
+   * <p>"and" - At least one occurrence of every supplied value must be present in any of the
+   * supplied fields.
+   *
+   * <p>"or"  - At least one occurrence of any of the supplied values must be present in any of
+   * the supplied fields.
+   */
+  private String operator;
+
+  @JsonProperty("analyzer")
+  private String searchAnalyzer;
+
+
+  public String getField() {
+    return field;
+  }
+
+  public void setField(String field) {
+    this.field = field;
+  }
+
+  public Object getValue() {
+    return value;
+  }
+
+  public void setValue(Object value) {
+    this.value = value;
+  }
+
+  private boolean isNumericValue() {
+    return ((value instanceof Integer) || (value instanceof Double));
+  }
+
+  public String getOperator() {
+    return operator;
+  }
+
+  public void setOperator(String operator) {
+    this.operator = operator;
+  }
+
+  public String getSearchAnalyzer() {
+    return searchAnalyzer;
+  }
+
+  public void setSearchAnalyzer(String searchAnalyzer) {
+    this.searchAnalyzer = searchAnalyzer;
+  }
+
+  /**
+   * This method returns a string which represents this query in syntax
+   * that is understandable by ElasticSearch and is suitable for inclusion
+   * in an ElasticSearch query string.
+   *
+   * @return - ElasticSearch syntax string.
+   */
+  public String toElasticSearch() {
+
+    StringBuilder sb = new StringBuilder();
+
+    sb.append("{");
+
+    // Are we generating a multi field query?
+    if (isMultiFieldQuery()) {
+
+      // For multi field queries, we have to be careful about how we handle
+      // nested fields, so check to see if any of the specified fields are
+      // nested.
+      if (field.contains(".")) {
+
+        // Build the equivalent of a multi match query across one or more nested fields.
+        toElasticSearchNestedMultiMatchQuery(sb);
+
+      } else {
+
+        // Build a real multi match query, since we don't need to worry about nested fields.
+        toElasticSearchMultiFieldQuery(sb);
+      }
+    } else {
+
+      // Single field query.
+
+      // Add the necessary wrapping if this is a query against a nested field.
+      if (fieldIsNested(field)) {
+        sb.append("{\"nested\": { \"path\": \"").append(pathForNestedField(field))
+            .append("\", \"query\": ");
+      }
+
+      // Build the query.
+      toElasticSearchSingleFieldQuery(sb);
+
+      if (fieldIsNested(field)) {
+        sb.append("}}");
+      }
+    }
+
+    sb.append("}");
+
+    return sb.toString();
+  }
+
+
+  /**
+   * Determines whether or not the client has specified a term query with
+   * multiple fields.
+   *
+   * @return - true if the query is referencing multiple fields, false, otherwise.
+   */
+  private boolean isMultiFieldQuery() {
+
+    return (field.split(" ").length > 1);
+  }
+
+
+  /**
+   * Constructs a single field term query in ElasticSearch syntax.
+   *
+   * @param sb - The string builder to assemble the query string with.
+   * @return - The single term query.
+   */
+  private void toElasticSearchSingleFieldQuery(StringBuilder sb) {
+
+    sb.append("\"term\": {\"").append(field).append("\" : ");
+
+    // For numeric values, don't enclose the value in quotes.
+    if (!isNumericValue()) {
+      sb.append("\"").append(value).append("\"");
+    } else {
+      sb.append(value);
+    }
+
+    sb.append("}");
+  }
+
+
+  /**
+   * Constructs a multi field query in ElasticSearch syntax.
+   *
+   * @param sb - The string builder to assemble the query string with.
+   * @return - The multi field query.
+   */
+  private void toElasticSearchMultiFieldQuery(StringBuilder sb) {
+
+    sb.append("\"multi_match\": {");
+
+    sb.append("\"query\": \"").append(value).append("\", ");
+    sb.append("\"type\": \"cross_fields\",");
+    sb.append("\"fields\": [");
+
+    List<String> fields = Arrays.asList(field.split(" "));
+    AtomicBoolean firstField = new AtomicBoolean(true);
+    for (String f : fields) {
+      if (!firstField.compareAndSet(true, false)) {
+        sb.append(", ");
+      }
+      sb.append("\"").append(f.trim()).append("\"");
+    }
+    sb.append("],");
+
+    sb.append("\"operator\": \"").append((operator != null)
+        ? operator.toLowerCase() : "and").append("\"");
+
+    if (searchAnalyzer != null) {
+      sb.append(", \"analyzer\": \"").append(searchAnalyzer).append("\"");
+    }
+
+    sb.append("}");
+  }
+
+
+  /**
+   * Constructs the equivalent of an ElasticSearch multi match query across
+   * multiple nested fields.
+   *
+   * <p>Since ElasticSearch doesn't really let you do that, we have to be clever
+   * and construct an equivalent query using boolean operators to produce
+   * the same result.
+   *
+   * @param sb - The string builder to use to build the query.
+   */
+  public void toElasticSearchNestedMultiMatchQuery(StringBuilder sb) {
+
+    // Break out our whitespace delimited list of fields and values into a actual lists.
+    List<String> fields = Arrays.asList(field.split(" "));
+    List<String> values = Arrays.asList(((String) value).split(" ")); // GDF: revisit this cast.
+
+    sb.append("\"bool\": {");
+
+    if (operator != null) {
+
+      if (operator.toLowerCase().equals("and")) {
+        sb.append("\"must\": [");
+      } else if (operator.toLowerCase().equals("or")) {
+        sb.append("\"should\": [");
+      }
+
+    } else {
+      sb.append("\"must\": [");
+    }
+
+    AtomicBoolean firstField = new AtomicBoolean(true);
+    for (String f : fields) {
+
+      if (!firstField.compareAndSet(true, false)) {
+        sb.append(", ");
+      }
+
+      sb.append("{ ");
+
+      // Is this a nested field?
+      if (fieldIsNested(f)) {
+
+        sb.append("\"nested\": {");
+        sb.append("\"path\": \"").append(pathForNestedField(f)).append("\", ");
+        sb.append("\"query\": ");
+      }
+
+      sb.append("{\"bool\": {");
+      sb.append("\"should\": [");
+
+      AtomicBoolean firstValue = new AtomicBoolean(true);
+      for (String v : values) {
+        if (!firstValue.compareAndSet(true, false)) {
+          sb.append(", ");
+        }
+        sb.append("{\"match\": { \"");
+        sb.append(f).append("\": {\"query\": \"").append(v).append("\"");
+
+        if (searchAnalyzer != null) {
+          sb.append(", \"analyzer\": \"").append(searchAnalyzer).append("\"");
+        }
+        sb.append("}}}");
+      }
+
+      sb.append("]");
+      sb.append("}");
+
+      if (fieldIsNested(f)) {
+        sb.append("}");
+        sb.append("}");
+      }
+
+      sb.append("}");
+    }
+
+    sb.append("]");
+    sb.append("}");
+  }
+
+
+  @Override
+  public String toString() {
+    return "field: " + field + ", value: " + value + " (" + value.getClass().getName() + ")";
+  }
+
+  public boolean fieldIsNested(String field) {
+    return field.contains(".");
+  }
+
+  public String pathForNestedField(String field) {
+    int index = field.lastIndexOf('.');
+    return field.substring(0, index);
+  }
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/service/SearchService.java b/src/main/java/org/openecomp/sa/searchdbabstraction/service/SearchService.java
new file mode 100644
index 0000000..7cbc101
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/service/SearchService.java
@@ -0,0 +1,59 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.service;
+
+import org.openecomp.cl.api.Logger;
+import org.openecomp.cl.eelf.LoggerFactory;
+import org.openecomp.sa.searchdbabstraction.elasticsearch.config.ElasticSearchConfig;
+import org.openecomp.sa.searchdbabstraction.elasticsearch.dao.ElasticSearchHttpController;
+import org.openecomp.sa.searchdbabstraction.logging.SearchDbMsgs;
+import org.openecomp.sa.searchdbabstraction.util.SearchDbConstants;
+
+import java.io.FileInputStream;
+import java.util.Properties;
+
+
+public class SearchService {
+  private ElasticSearchHttpController esController = null;
+
+  static Logger logger = LoggerFactory.getInstance().getLogger(SearchService.class.getName());
+
+  public SearchService() {
+    try {
+      start();
+    } catch (Exception e) {
+      logger.error(SearchDbMsgs.STARTUP_EXCEPTION, e.getLocalizedMessage());
+    }
+  }
+
+  protected void start() throws Exception {
+    Properties configProperties = new Properties();
+    configProperties.load(new FileInputStream(SearchDbConstants.ES_CONFIG_FILE));
+    ElasticSearchConfig esConfig = new ElasticSearchConfig(configProperties);
+
+    esController = new ElasticSearchHttpController(esConfig);
+    logger.info(SearchDbMsgs.SERVICE_STARTED);
+  }
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/util/AggregationParsingUtil.java b/src/main/java/org/openecomp/sa/searchdbabstraction/util/AggregationParsingUtil.java
new file mode 100644
index 0000000..38ff943
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/util/AggregationParsingUtil.java
@@ -0,0 +1,106 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.util;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+import org.openecomp.sa.searchdbabstraction.entity.AggregationBucket;
+import org.openecomp.sa.searchdbabstraction.entity.AggregationResult;
+
+import java.util.Iterator;
+import java.util.Set;
+
+public class AggregationParsingUtil {
+  public static AggregationResult[] parseAggregationResults(JSONObject aggregations)
+      throws JsonProcessingException {
+
+    // Obtain the set of aggregation names
+    Set keySet = aggregations.keySet();
+    AggregationResult[] aggResults = new AggregationResult[keySet.size()];
+
+    int index = 0;
+    for (Iterator it = keySet.iterator(); it.hasNext(); ) {
+      String key = (String) it.next();
+      AggregationResult aggResult = new AggregationResult();
+      aggResult.setName(key);
+
+      JSONObject bucketsOrNested = (JSONObject) aggregations.get(key);
+      Object buckets = bucketsOrNested.get("buckets");
+      if (buckets == null) {
+        // we have a nested
+        Number count = (Number) bucketsOrNested.remove("doc_count");
+        aggResult.setCount(count);
+        AggregationResult[] nestedResults = parseAggregationResults(bucketsOrNested);
+        aggResult.setNestedAggregations(nestedResults);
+      } else {
+        AggregationBucket[] aggBuckets = parseAggregationBuckets((JSONArray) buckets);
+        aggResult.setBuckets(aggBuckets);
+      }
+
+      aggResults[index] = aggResult;
+      index++;
+    }
+
+    return aggResults;
+
+  }
+
+  private static AggregationBucket[] parseAggregationBuckets(JSONArray buckets)
+      throws JsonProcessingException {
+    AggregationBucket[] aggBuckets = new AggregationBucket[buckets.size()];
+    for (int i = 0; i < buckets.size(); i++) {
+      AggregationBucket aggBucket = new AggregationBucket();
+      JSONObject bucketContent = (JSONObject) buckets.get(i);
+      Object key = bucketContent.remove("key");
+      aggBucket.setKey(key);
+      Object formatted = bucketContent.remove("key_as_string");
+      if (formatted != null) {
+        aggBucket.setFormattedKey((String) formatted);
+      }
+      Object count = bucketContent.remove("doc_count");
+      if (count != null) {
+        aggBucket.setCount((Number) count);
+      }
+      bucketContent.remove("from");
+      bucketContent.remove("from_as_string");
+      bucketContent.remove("to");
+      bucketContent.remove("to_as_string");
+
+
+      if (!bucketContent.entrySet().isEmpty()) {
+        // we have results from sub-aggregation
+        AggregationResult[] subResult = parseAggregationResults(bucketContent);
+        if (subResult != null) {
+          aggBucket.setSubAggregationResult(subResult);
+        }
+      }
+      aggBuckets[i] = aggBucket;
+    }
+
+    return aggBuckets;
+  }
+
+}
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/util/DocumentSchemaUtil.java b/src/main/java/org/openecomp/sa/searchdbabstraction/util/DocumentSchemaUtil.java
new file mode 100644
index 0000000..579d201
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/util/DocumentSchemaUtil.java
@@ -0,0 +1,123 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.util;
+
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.openecomp.sa.rest.DocumentFieldSchema;
+import org.openecomp.sa.rest.DocumentSchema;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+public class DocumentSchemaUtil {
+
+  public static String generateDocumentMappings(String documentSchema)
+      throws JsonParseException, JsonMappingException, IOException {
+
+    // Unmarshal the json content into a document schema object.
+    ObjectMapper mapper = new ObjectMapper();
+    DocumentSchema schema = mapper.readValue(documentSchema, DocumentSchema.class);
+
+    return generateDocumentMappings(schema);
+  }
+
+  public static String generateDocumentMappings(DocumentSchema schema) {
+
+    // Now, generate the Elastic Search mapping json and return it.
+    StringBuilder sb = new StringBuilder();
+    sb.append("{");
+    sb.append("\"properties\": {");
+
+    generateFieldMappings(schema.getFields(), sb);
+
+    sb.append("}");
+    sb.append("}");
+
+    return sb.toString();
+  }
+
+
+  private static void generateFieldMappings(List<DocumentFieldSchema> fields, StringBuilder sb) {
+
+    AtomicBoolean firstField = new AtomicBoolean(true);
+
+    for (DocumentFieldSchema field : fields) {
+
+      // If this isn't the first field in the list, prepend it with a ','
+      if (!firstField.compareAndSet(true, false)) {
+        sb.append(", ");
+      }
+
+      // Now, append the translated field contents.
+      generateFieldMapping(field, sb);
+    }
+  }
+
+  private static void generateFieldMapping(DocumentFieldSchema fieldSchema, StringBuilder sb) {
+
+    sb.append("\"").append(fieldSchema.getName()).append("\": {");
+
+    // The field type is mandatory.
+    sb.append("\"type\": \"").append(fieldSchema.getDataType()).append("\"");
+
+    // For date type fields we may optionally supply a format specifier.
+    if (fieldSchema.getDataType().equals("date")) {
+      if (fieldSchema.getFormat() != null) {
+        sb.append(", \"format\": \"").append(fieldSchema.getFormat()).append("\"");
+      }
+    }
+
+    // If the index field was specified, then append it.
+    if (fieldSchema.getSearchable() != null) {
+      sb.append(", \"index\": \"").append(fieldSchema.getSearchable()
+          ? "analyzed" : "not_analyzed").append("\"");
+    }
+
+    // If a search analyzer was specified, then append it.
+    if (fieldSchema.getSearchAnalyzer() != null) {
+      sb.append(", \"search_analyzer\": \"").append(fieldSchema.getSearchAnalyzer()).append("\"");
+    }
+
+    // If an indexing analyzer was specified, then append it.
+    if (fieldSchema.getIndexAnalyzer() != null) {
+      sb.append(", \"analyzer\": \"").append(fieldSchema.getIndexAnalyzer()).append("\"");
+    }
+
+
+    if (fieldSchema.getDataType().equals("nested")) {
+
+      sb.append(", \"properties\": {");
+      generateFieldMappings(fieldSchema.getSubFields(), sb);
+      sb.append("}");
+    }
+
+    sb.append("}");
+  }
+
+}
+
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/util/SearchDbConstants.java b/src/main/java/org/openecomp/sa/searchdbabstraction/util/SearchDbConstants.java
new file mode 100644
index 0000000..6790b24
--- /dev/null
+++ b/src/main/java/org/openecomp/sa/searchdbabstraction/util/SearchDbConstants.java
@@ -0,0 +1,56 @@
+/**
+ * ============LICENSE_START=======================================================
+ * Search Data Service
+ * ================================================================================
+ * 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 ati
+ *
+ *    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.sa.searchdbabstraction.util;
+
+public class SearchDbConstants {
+  public static final String SDB_FILESEP = (System.getProperty("file.separator") == null) ? "/"
+      : System.getProperty("file.separator");
+  public static final String SDB_BUNDLECONFIG_NAME =
+      (System.getProperty("BUNDLECONFIG_DIR") == null)
+          ? "bundleconfig" : System.getProperty("BUNDLECONFIG_DIR");
+
+  public static final String SDB_HOME_BUNDLECONFIG = (System.getProperty("AJSC_HOME") == null)
+      ? SDB_FILESEP + "opt" + SDB_FILESEP + "app" + SDB_FILESEP + "searchdb"
+        + SDB_FILESEP + SDB_BUNDLECONFIG_NAME
+      : System.getProperty("AJSC_HOME") + SDB_FILESEP + SDB_BUNDLECONFIG_NAME;
+
+  public static final String SDB_HOME_ETC =
+      SDB_HOME_BUNDLECONFIG + SDB_FILESEP + "etc" + SDB_FILESEP;
+  public static final String SDB_CONFIG_APP_LOCATION = SDB_HOME_ETC + "appprops" + SDB_FILESEP;
+
+  // Elastic Search related
+  public static final String SDB_SPECIFIC_CONFIG = (System.getProperty("CONFIG_HOME") == null)
+      ? SDB_CONFIG_APP_LOCATION : System.getProperty("CONFIG_HOME") + SDB_FILESEP;
+  public static final String ES_CONFIG_FILE = SDB_SPECIFIC_CONFIG + SDB_FILESEP
+      + "elastic-search.properties";
+  public static final String SDB_AUTH = SDB_SPECIFIC_CONFIG + "auth" + SDB_FILESEP;
+  public static final String SDB_AUTH_CONFIG_FILENAME = SDB_AUTH + "search_policy.json";
+  public static final String SDB_FILTER_CONFIG_FILE = SDB_SPECIFIC_CONFIG + "filter-config.json";
+  public static final String SDB_ANALYSIS_CONFIG_FILE =
+      SDB_SPECIFIC_CONFIG + "analysis-config.json";
+
+  // Logging related
+  public static final String SDB_SERVICE_NAME = "SearchDataService";
+}