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diff --git a/search-data-service-app/src/main/java/org/onap/aai/sa/searchdbabstraction/searchapi/DateRangeAggregation.java b/search-data-service-app/src/main/java/org/onap/aai/sa/searchdbabstraction/searchapi/DateRangeAggregation.java
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+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright © 2017-2018 Amdocs
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.aai.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() {
+        StringBuilder sb = new StringBuilder();
+        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();
+    }
+
+}