/*
* 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.apache.jackrabbit.commons.iterator;
import javax.jcr.Node;
import javax.jcr.NodeIterator;
import javax.jcr.RepositoryException;
import javax.jcr.version.VersionIterator;
import javax.jcr.version.Version;
/**
* Implements a node iterator that takes a version iterator and returns the
* frozen nodes of the underlying versions.
*/
public class FrozenNodeIteratorAdapter extends RangeIteratorAdapter implements NodeIterator {
public FrozenNodeIteratorAdapter(VersionIterator iterator) {
super(iterator);
}
/**
* {@inheritDoc}
*
* @return the next frozen node.
*/
public Node nextNode() {
try {
return ((Version) next()).getFrozenNode();
} catch (RepositoryException e) {
throw (IllegalStateException) new IllegalStateException(e.toString()).initCause(e);
}
}
}