/*
* 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.indices.query;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Maps;
import org.elasticsearch.common.component.AbstractComponent;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.query.FilterParser;
import org.elasticsearch.index.query.QueryParser;
import java.util.Map;
import java.util.Set;
/**
*
*/
public class IndicesQueriesRegistry extends AbstractComponent {
private ImmutableMap<String, QueryParser> queryParsers;
private ImmutableMap<String, FilterParser> filterParsers;
@Inject
public IndicesQueriesRegistry(Settings settings, Set<QueryParser> injectedQueryParsers, Set<FilterParser> injectedFilterParsers) {
super(settings);
Map<String, QueryParser> queryParsers = Maps.newHashMap();
for (QueryParser queryParser : injectedQueryParsers) {
addQueryParser(queryParsers, queryParser);
}
this.queryParsers = ImmutableMap.copyOf(queryParsers);
Map<String, FilterParser> filterParsers = Maps.newHashMap();
for (FilterParser filterParser : injectedFilterParsers) {
addFilterParser(filterParsers, filterParser);
}
this.filterParsers = ImmutableMap.copyOf(filterParsers);
}
/**
* Adds a global query parser.
*/
public synchronized void addQueryParser(QueryParser queryParser) {
Map<String, QueryParser> queryParsers = Maps.newHashMap(this.queryParsers);
addQueryParser(queryParsers, queryParser);
this.queryParsers = ImmutableMap.copyOf(queryParsers);
}
public synchronized void addFilterParser(FilterParser filterParser) {
Map<String, FilterParser> filterParsers = Maps.newHashMap(this.filterParsers);
addFilterParser(filterParsers, filterParser);
this.filterParsers = ImmutableMap.copyOf(filterParsers);
}
public ImmutableMap<String, QueryParser> queryParsers() {
return queryParsers;
}
public ImmutableMap<String, FilterParser> filterParsers() {
return filterParsers;
}
private void addQueryParser(Map<String, QueryParser> queryParsers, QueryParser queryParser) {
for (String name : queryParser.names()) {
queryParsers.put(name, queryParser);
}
}
private void addFilterParser(Map<String, FilterParser> filterParsers, FilterParser filterParser) {
for (String name : filterParser.names()) {
filterParsers.put(name, filterParser);
}
}
}