/*
* 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;
import java.io.IOException;
import java.util.Collection;
import java.util.Iterator;
/**
* <code>DefaultQueryHits</code> implements {@link QueryHits} based on a
* collection of {@link ScoreNode}s.
*/
public class DefaultQueryHits extends AbstractQueryHits {
/**
* The total number of score nodes.
*/
private final int size;
/**
* An iterator over the query nodes.
*/
private final Iterator<ScoreNode> scoreNodes;
/**
* Creates a new <code>DefaultQueryHits</code> instance based on the passed
* <code>scoreNodes</code>.
*
* @param scoreNodes a collection of {@link ScoreNode}s.
*/
public DefaultQueryHits(Collection<ScoreNode> scoreNodes) {
this.size = scoreNodes.size();
this.scoreNodes = scoreNodes.iterator();
}
/**
* {@inheritDoc}
*/
public ScoreNode nextScoreNode() throws IOException {
if (scoreNodes.hasNext()) {
return scoreNodes.next();
} else {
return null;
}
}
/**
* {@inheritDoc}
*/
public int getSize() {
return size;
}
}