/*
* 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.
*/
package org.exoplatform.services.jcr.impl.core.query.lucene.hits;
import org.apache.lucene.search.DocIdSetIterator;
import org.apache.lucene.search.Scorer;
import java.io.IOException;
/**
* Wraps a {@link org.apache.lucene.search.Scorer} in a {@link Hits} instance.
*/
public class ScorerHits implements Hits
{
private final Scorer scorer;
public ScorerHits(Scorer scorer)
{
this.scorer = scorer;
}
/**
* {@inheritDoc}
*/
public void set(int doc)
{
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public int next() throws IOException
{
int docId = scorer.nextDoc();
if (docId != DocIdSetIterator.NO_MORE_DOCS)
{
return docId;
}
else
{
return -1;
}
}
/**
* {@inheritDoc}
*/
public int skipTo(int target) throws IOException
{
int docId = scorer.advance(target);
if (docId != DocIdSetIterator.NO_MORE_DOCS)
{
return docId;
}
else
{
return -1;
}
}
}