org.elasticsearch.search.aggregations.AggregationParseElement Maven / Gradle / Ivy
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* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you 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.
*/
package org.elasticsearch.search.aggregations;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.search.SearchParseElement;
import org.elasticsearch.search.internal.SearchContext;
/**
* The search parse element that is responsible for parsing the get part of the request.
*
* For example (in bold):
*
* curl -XGET 'localhost:9200/_search?search_type=count' -d '{
* query: {
* match_all : {}
* },
* addAggregation : {
* avg_price: {
* avg : { field : price }
* },
* categories: {
* terms : { field : category, size : 12 },
* addAggregation: {
* avg_price : { avg : { field : price }}
* }
* }
* }
* }'
*
*/
public class AggregationParseElement implements SearchParseElement {
private final AggregatorParsers aggregatorParsers;
@Inject
public AggregationParseElement(AggregatorParsers aggregatorParsers) {
this.aggregatorParsers = aggregatorParsers;
}
@Override
public void parse(XContentParser parser, SearchContext context) throws Exception {
AggregatorFactories factories = aggregatorParsers.parseAggregators(parser, context);
context.aggregations(new SearchContextAggregations(factories));
}
}