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Apache Solr (module: core)
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.apache.solr.search;
import org.apache.solr.common.params.SolrParams;
import org.apache.solr.request.SolrQueryRequest;
/**
* Parses a query like Lucene query parser, but scoring with max score, not sum
* Accepts the "tie" request parameter as with dismax. 0.0=max, 1.0=sum
* All other parameters are as with Lucene parser
* Example: q=foo {!maxscore v=$myq}&myq=A OR B OR C
*/
public class MaxScoreQParserPlugin extends LuceneQParserPlugin {
public static final String NAME = "maxscore";
@Override
public QParser createParser(
String qstr, SolrParams localParams, SolrParams params, SolrQueryRequest req) {
return new MaxScoreQParser(qstr, localParams, params, req);
}
}