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}