/*
* 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.bucket.global;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.index.query.QueryParseContext;
import org.elasticsearch.search.aggregations.AbstractAggregationBuilder;
import org.elasticsearch.search.aggregations.AggregatorFactories.Builder;
import org.elasticsearch.search.aggregations.AggregatorFactory;
import org.elasticsearch.search.internal.SearchContext;
import java.io.IOException;
public class GlobalAggregationBuilder extends AbstractAggregationBuilder<GlobalAggregationBuilder> {
public static final String NAME = "global";
public GlobalAggregationBuilder(String name) {
super(name);
}
/**
* Read from a stream.
*/
public GlobalAggregationBuilder(StreamInput in) throws IOException {
super(in);
}
@Override
protected void doWriteTo(StreamOutput out) throws IOException {
// Nothing to write
}
@Override
protected AggregatorFactory<?> doBuild(SearchContext context, AggregatorFactory<?> parent, Builder subFactoriesBuilder)
throws IOException {
return new GlobalAggregatorFactory(name, context, parent, subFactoriesBuilder, metaData);
}
@Override
protected XContentBuilder internalXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject();
builder.endObject();
return builder;
}
public static GlobalAggregationBuilder parse(String aggregationName, QueryParseContext context) throws IOException {
context.parser().nextToken();
return new GlobalAggregationBuilder(aggregationName);
}
@Override
protected boolean doEquals(Object obj) {
return true;
}
@Override
protected int doHashCode() {
return 0;
}
@Override
public String getType() {
return NAME;
}
}