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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
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 != null && rescoredDocs.contains(docId);
}
public Set getRescoredDocs() {
return rescoredDocs;
}
/**
* Returns queries associated with the rescorer
*/
public List getQueries() {
return Collections.emptyList();
}
}