/*
* 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.functionscore;
import com.google.common.collect.ImmutableMap;
import org.elasticsearch.common.collect.MapBuilder;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.query.QueryParsingException;
import java.util.Set;
public class ScoreFunctionParserMapper {
protected ImmutableMap<String, ScoreFunctionParser> functionParsers;
@Inject
public ScoreFunctionParserMapper(Set<ScoreFunctionParser> parsers) {
MapBuilder<String, ScoreFunctionParser> builder = MapBuilder.newMapBuilder();
for (ScoreFunctionParser scoreFunctionParser : parsers) {
for (String name : scoreFunctionParser.getNames()) {
builder.put(name, scoreFunctionParser);
}
}
this.functionParsers = builder.immutableMap();
}
public ScoreFunctionParser get(Index index, String parserName) {
ScoreFunctionParser functionParser = get(parserName);
if (functionParser == null) {
throw new QueryParsingException(index, "No function with the name [" + parserName + "] is registered.");
}
return functionParser;
}
private ScoreFunctionParser get(String parserName) {
return functionParsers.get(parserName);
}
}