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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.search.aggregations.metrics;
import org.elasticsearch.search.SearchHits;
import org.elasticsearch.search.aggregations.ParsedAggregation;
import org.elasticsearch.xcontent.ObjectParser;
import org.elasticsearch.xcontent.ParseField;
import org.elasticsearch.xcontent.XContentBuilder;
import org.elasticsearch.xcontent.XContentParser;
import java.io.IOException;
public class ParsedTopHits extends ParsedAggregation implements TopHits {
private SearchHits searchHits;
@Override
public String getType() {
return TopHitsAggregationBuilder.NAME;
}
@Override
public SearchHits getHits() {
return searchHits;
}
@Override
protected XContentBuilder doXContentBody(XContentBuilder builder, Params params) throws IOException {
return searchHits.toXContent(builder, params);
}
private static final ObjectParser PARSER = new ObjectParser<>(
ParsedTopHits.class.getSimpleName(),
true,
ParsedTopHits::new
);
static {
declareAggregationFields(PARSER);
PARSER.declareObject(
(topHit, searchHits) -> topHit.searchHits = searchHits,
(parser, context) -> SearchHits.fromXContent(parser),
new ParseField(SearchHits.Fields.HITS)
);
}
public static ParsedTopHits fromXContent(XContentParser parser, String name) throws IOException {
ParsedTopHits aggregation = PARSER.parse(parser, null);
aggregation.setName(name);
return aggregation;
}
}