001/**
002 * Copyright 2014 DuraSpace, Inc.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.fcrepo.kernel.utils.iterators;
017
018import java.util.Iterator;
019
020import javax.jcr.observation.Event;
021
022import com.google.common.collect.ForwardingIterator;
023
024/**
025 * Encapsulates JCR's pre-generics {@link EventIterator} with a fully-typed
026 * {@link Iterator}{@literal <Event>}
027 *
028 * @author ajs6f
029 * @since Apr 20, 2013
030 */
031public class EventIterator extends ForwardingIterator<Event> implements Iterable<Event> {
032
033    private Iterator<Event> i;
034
035    /**
036     * Wrap the given EventIterator with the generic Iterator{@literal <Event>}
037     *
038     * @param i
039     */
040    @SuppressWarnings("unchecked")
041    public EventIterator(final javax.jcr.observation.EventIterator i) {
042        super();
043        this.i = i;
044    }
045
046    @Override
047    public Iterator<Event> iterator() {
048        return this;
049    }
050
051    @Override
052    protected Iterator<Event> delegate() {
053        return i;
054    }
055
056}