/*
* 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.index.query;
import org.elasticsearch.common.xcontent.XContentBuilder;
import java.io.IOException;
/**
* A query that will execute the wrapped query only for the specified indices, and "match_all" when
* it does not match those indices (by default).
*/
public class IndicesQueryBuilder extends QueryBuilder {
private final QueryBuilder queryBuilder;
private final String[] indices;
private String sNoMatchQuery;
private QueryBuilder noMatchQuery;
private String queryName;
public IndicesQueryBuilder(QueryBuilder queryBuilder, String... indices) {
this.queryBuilder = queryBuilder;
this.indices = indices;
}
/**
* Sets the no match query, can either be <tt>all</tt> or <tt>none</tt>.
*/
public IndicesQueryBuilder noMatchQuery(String type) {
this.sNoMatchQuery = type;
return this;
}
/**
* Sets the query to use when it executes on an index that does not match the indices provided.
*/
public IndicesQueryBuilder noMatchQuery(QueryBuilder noMatchQuery) {
this.noMatchQuery = noMatchQuery;
return this;
}
/**
* Sets the query name for the filter that can be used when searching for matched_filters per hit.
*/
public IndicesQueryBuilder queryName(String queryName) {
this.queryName = queryName;
return this;
}
@Override
protected void doXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject(IndicesQueryParser.NAME);
builder.field("indices", indices);
builder.field("query");
queryBuilder.toXContent(builder, params);
if (noMatchQuery != null) {
builder.field("no_match_query");
noMatchQuery.toXContent(builder, params);
} else if (sNoMatchQuery != null) {
builder.field("no_match_query", sNoMatchQuery);
}
if (queryName != null) {
builder.field("_name", queryName);
}
builder.endObject();
}
}