org.apache.mina.util.SynchronizedQueue Maven / Gradle / Ivy
/*
* 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.mina.util;
import java.io.Serializable;
import java.util.Collection;
import java.util.Iterator;
import java.util.Queue;
/**
* A decorator that makes the specified {@link Queue} thread-safe.
* Like any other synchronizing wrappers, iteration is not thread-safe.
*
* @param The type of elements stored in the queue
*
* @author Apache MINA Project
*/
public class SynchronizedQueue implements Queue, Serializable {
private static final long serialVersionUID = -1439242290701194806L;
private final Queue queue;
/**
* Create a new SynchronizedQueue instance
*
* @param queue The queue
*/
public SynchronizedQueue(Queue queue) {
this.queue = queue;
}
/**
* {@inheritDoc}
*/
@Override
public synchronized boolean add(E e) {
return queue.add(e);
}
/**
* {@inheritDoc}
*/
@Override
public synchronized E element() {
return queue.element();
}
/**
* {@inheritDoc}
*/
@Override
public synchronized boolean offer(E e) {
return queue.offer(e);
}
/**
* {@inheritDoc}
*/
@Override
public synchronized E peek() {
return queue.peek();
}
/**
* {@inheritDoc}
*/
@Override
public synchronized E poll() {
return queue.poll();
}
/**
* {@inheritDoc}
*/
@Override
public synchronized E remove() {
return queue.remove();
}
/**
* {@inheritDoc}
*/
@Override
public synchronized boolean addAll(Collection c) {
return queue.addAll(c);
}
/**
* {@inheritDoc}
*/
@Override
public synchronized void clear() {
queue.clear();
}
/**
* {@inheritDoc}
*/
@Override
public synchronized boolean contains(Object o) {
return queue.contains(o);
}
/**
* {@inheritDoc}
*/
@Override
public synchronized boolean containsAll(Collection c) {
return queue.containsAll(c);
}
/**
* {@inheritDoc}
*/
@Override
public synchronized boolean isEmpty() {
return queue.isEmpty();
}
/**
* {@inheritDoc}
*/
@Override
public synchronized Iterator iterator() {
return queue.iterator();
}
/**
* {@inheritDoc}
*/
@Override
public synchronized boolean remove(Object o) {
return queue.remove(o);
}
/**
* {@inheritDoc}
*/
@Override
public synchronized boolean removeAll(Collection c) {
return queue.removeAll(c);
}
/**
* {@inheritDoc}
*/
@Override
public synchronized boolean retainAll(Collection c) {
return queue.retainAll(c);
}
/**
* {@inheritDoc}
*/
@Override
public synchronized int size() {
return queue.size();
}
/**
* {@inheritDoc}
*/
@Override
public synchronized Object[] toArray() {
return queue.toArray();
}
/**
* {@inheritDoc}
*/
@Override
public synchronized T[] toArray(T[] a) {
return queue.toArray(a);
}
/**
* {@inheritDoc}
*/
@Override
public synchronized boolean equals(Object obj) {
return queue.equals(obj);
}
/**
* {@inheritDoc}
*/
@Override
public synchronized int hashCode() {
return queue.hashCode();
}
/**
* {@inheritDoc}
*/
@Override
public synchronized String toString() {
return queue.toString();
}
}