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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 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;
}
}
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