package org.apache.lucene.search;
/*
* 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.
*/
import org.apache.lucene.index.AtomicReaderContext;
import org.apache.lucene.util.Bits;
import org.apache.lucene.util.FixedBitSet;
import java.io.IOException;
public class SingleDocTestFilter extends Filter {
private int doc;
public SingleDocTestFilter(int doc) {
this.doc = doc;
}
@Override
public DocIdSet getDocIdSet(AtomicReaderContext context, Bits acceptDocs) throws IOException {
FixedBitSet bits = new FixedBitSet(context.reader().maxDoc());
bits.set(doc);
if (acceptDocs != null && !acceptDocs.get(doc)) bits.clear(doc);
return bits;
}
}