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/*
* 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.search.rescore;
import org.apache.lucene.search.Query;
import java.util.Collections;
import java.util.List;
import java.util.Set;
/**
* Context available to the rescore while it is running. Rescore
* implementations should extend this with any additional resources that
* they will need while rescoring.
*/
public class RescoreContext {
private final int windowSize;
private final Rescorer rescorer;
private Set rescoredDocs; //doc Ids for which rescoring was applied
/**
* Build the context.
* @param rescorer the rescorer actually performing the rescore.
*/
public RescoreContext(int windowSize, Rescorer rescorer) {
this.windowSize = windowSize;
this.rescorer = rescorer;
}
/**
* The rescorer to actually apply.
*/
public Rescorer rescorer() {
return rescorer;
}
/**
* Size of the window to rescore.
*/
public int getWindowSize() {
return windowSize;
}
public void setRescoredDocs(Set docIds) {
rescoredDocs = docIds;
}
public boolean isRescored(int docId) {
return rescoredDocs.contains(docId);
}
/**
* Returns queries associated with the rescorer
*/
public List getQueries() {
return Collections.emptyList();
}
}