1 files changed, 48 insertions, 0 deletions
diff --git a/catalog-dao/src/main/java/org/openecomp/sdc/be/dao/utils/ElasticSearchUtil.java b/catalog-dao/src/main/java/org/openecomp/sdc/be/dao/utils/ElasticSearchUtil.java
new file mode 100644
index 0000000000..f20b523a4d
--- /dev/null
+++ b/catalog-dao/src/main/java/org/openecomp/sdc/be/dao/utils/ElasticSearchUtil.java
@@ -0,0 +1,48 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.dao.utils;
+
+import org.elasticsearch.action.search.SearchResponse;
+
+/**
+ * Utility class to work with elastic search responses.
+ * 
+ */
+public final class ElasticSearchUtil {
+	private ElasticSearchUtil() {
+	}
+
+	/**
+	 * Checks if a search response from elastic search contains results or not.
+	 * 
+	 * @param searchResponse
+	 *            The ES search response object.
+	 * @return True if the response does not contain any result, false if the
+	 *         response does contains results.
+	 */
+	public static boolean isResponseEmpty(SearchResponse searchResponse) {
+		if (searchResponse == null || searchResponse.getHits() == null || searchResponse.getHits().getHits() == null
+				|| searchResponse.getHits().getHits().length == 0) {
+			return true;
+		}
+		return false;
+	}
+}