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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 java.io.IOException;
import java.util.Map;
import java.util.Set;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.QueryVisitor;
import org.apache.lucene.search.Rescorer;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.ScoreMode;
import org.apache.lucene.search.TopDocsCollector;
import org.apache.lucene.search.Weight;
import org.apache.lucene.util.BytesRef;
import org.apache.solr.handler.component.MergeStrategy;
import org.apache.solr.handler.component.QueryElevationComponent;
import org.apache.solr.request.SolrRequestInfo;
public abstract class AbstractReRankQuery extends RankQuery {
protected Query mainQuery;
protected final int reRankDocs;
protected final Rescorer reRankQueryRescorer;
protected Set boostedPriority;
protected ReRankOperator reRankOperator;
protected ReRankScaler reRankScaler;
public AbstractReRankQuery(
Query mainQuery,
int reRankDocs,
Rescorer reRankQueryRescorer,
ReRankScaler reRankScaler,
ReRankOperator reRankOperator) {
this.mainQuery = mainQuery;
this.reRankDocs = reRankDocs;
this.reRankQueryRescorer = reRankQueryRescorer;
this.reRankScaler = reRankScaler;
this.reRankOperator = reRankOperator;
}
public AbstractReRankQuery(Query mainQuery, int reRankDocs, Rescorer reRankQueryRescorer) {
this.mainQuery = mainQuery;
this.reRankDocs = reRankDocs;
this.reRankQueryRescorer = reRankQueryRescorer;
}
@Override
public RankQuery wrap(Query _mainQuery) {
if (_mainQuery != null) {
this.mainQuery = _mainQuery;
}
return this;
}
@Override
public MergeStrategy getMergeStrategy() {
return null;
}
@Override
@SuppressWarnings({"unchecked"})
public TopDocsCollector getTopDocsCollector(
int len, QueryCommand cmd, IndexSearcher searcher) throws IOException {
if (this.boostedPriority == null) {
SolrRequestInfo info = SolrRequestInfo.getRequestInfo();
if (info != null) {
Map