org.elasticsearch.index.query.HasParentQueryBuilder Maven / Gradle / Ivy
/*
* Licensed to ElasticSearch and Shay Banon 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.index.query;
import org.elasticsearch.common.xcontent.XContentBuilder;
import java.io.IOException;
/**
* Builder for the 'has_parent' query.
*/
public class HasParentQueryBuilder extends BaseQueryBuilder implements BoostableQueryBuilder {
private final QueryBuilder queryBuilder;
private final String parentType;
private String scoreType;
private float boost = 1.0f;
/**
* @param parentType The parent type
* @param parentQuery The query that will be matched with parent documents
*/
public HasParentQueryBuilder(String parentType, QueryBuilder parentQuery) {
this.parentType = parentType;
this.queryBuilder = parentQuery;
}
public HasParentQueryBuilder boost(float boost) {
this.boost = boost;
return this;
}
/**
* Defines how the parent score is mapped into the child documents.
*/
public HasParentQueryBuilder scoreType(String scoreType) {
this.scoreType = scoreType;
return this;
}
protected void doXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject(HasParentQueryParser.NAME);
builder.field("query");
queryBuilder.toXContent(builder, params);
builder.field("parent_type", parentType);
if (scoreType != null) {
builder.field("score_type", scoreType);
}
if (boost != 1.0f) {
builder.field("boost", boost);
}
builder.endObject();
}
}