org.elasticsearch.common.lucene.search.MatchNoDocsFilter 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.index.AtomicReaderContext;
import org.apache.lucene.search.DocIdSet;
import org.apache.lucene.search.Filter;
import org.apache.lucene.util.Bits;
import java.io.IOException;
/**
* A filter that matches no docs.
*/
public class MatchNoDocsFilter extends Filter {
@Override
public DocIdSet getDocIdSet(AtomicReaderContext context, Bits acceptDocs) throws IOException {
return null;
}
@Override
public int hashCode() {
return this.getClass().hashCode();
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null) {
return false;
}
if (obj.getClass() == this.getClass()) {
return true;
}
return false;
}
@Override
public String toString() {
return "MatchNoDocsFilter";
}
}