/*
* Copyright 2002-2006 the original author or authors.
*
* Licensed 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 cyrille.util.concurrent.demo;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
/**
* @author <a href="mailto:cyrille.leclerc@pobox.com">Cyrille Le Clerc</a>
*/
@SuppressWarnings({"unchecked", "unused"})
public class UnSafeListIteration {
List values = Collections.synchronizedList(new ArrayList());
/**
* NOT THREAD SAFE iteration on values ! Problem would be the same with java 5 enhanced "for loop".
*/
public void doJob() {
Iterator valuesIterator = this.values.iterator();
while (valuesIterator.hasNext()) {
Object value = valuesIterator.next();
// do job ...
}
}
public void add(Object value) {
this.values.add(value);
}
}