org.elasticsearch.common.lucene.search.EmptyScorer Maven / Gradle / Ivy
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This OSGi bundle wraps ${pkgArtifactId} ${pkgVersion} jar file.
/*
* 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.common.lucene.search;
import org.apache.lucene.search.Scorer;
import org.apache.lucene.search.Weight;
import java.io.IOException;
/**
*
*/
public class EmptyScorer extends Scorer {
private int docId = -1;
public EmptyScorer(Weight weight) {
super(weight);
}
@Override
public float score() throws IOException {
throw new UnsupportedOperationException("Should never be called");
}
@Override
public int freq() throws IOException {
throw new UnsupportedOperationException("Should never be called");
}
@Override
public int docID() {
return docId;
}
@Override
public int nextDoc() throws IOException {
assert docId != NO_MORE_DOCS;
return docId = NO_MORE_DOCS;
}
@Override
public int advance(int target) throws IOException {
return slowAdvance(target);
}
@Override
public long cost() {
return 0;
}
}