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  • 实现一个线程安全的Queue队列

    使用装饰者模式实现一个线程安全的Queue队列。

    public class SynchronizedQueue<E> implements Queue<E>, Serializable {

    private static final long serialVersionUID = -1439242290701194806L;

    private final Queue<E> q;

    public SynchronizedQueue(Queue<E> q) {
    this.q = q;
    }

    public synchronized boolean add(E e) {
    return q.add(e);
    }

    public synchronized E element() {
    return q.element();
    }

    public synchronized boolean offer(E e) {
    return q.offer(e);
    }

    public synchronized E peek() {
    return q.peek();
    }

    public synchronized E poll() {
    return q.poll();
    }

    public synchronized E remove() {
    return q.remove();
    }

    public synchronized boolean addAll(Collection<? extends E> c) {
    return q.addAll(c);
    }

    public synchronized void clear() {
    q.clear();
    }

    public synchronized boolean contains(Object o) {
    return q.contains(o);
    }

    public synchronized boolean containsAll(Collection<?> c) {
    return q.containsAll(c);
    }

    public synchronized boolean isEmpty() {
    return q.isEmpty();
    }

    public synchronized Iterator<E> iterator() {
    return q.iterator();
    }

    public synchronized boolean remove(Object o) {
    return q.remove(o);
    }

    public synchronized boolean removeAll(Collection<?> c) {
    return q.removeAll(c);
    }

    public synchronized boolean retainAll(Collection<?> c) {
    return q.retainAll(c);
    }

    public synchronized int size() {
    return q.size();
    }

    public synchronized Object[] toArray() {
    return q.toArray();
    }

    public synchronized <T> T[] toArray(T[] a) {
    return q.toArray(a);
    }

    @Override
    public synchronized boolean equals(Object obj) {
    return q.equals(obj);
    }

    @Override
    public synchronized int hashCode() {
    return q.hashCode();
    }

    @Override
    public synchronized String toString() {
    return q.toString();
    }
    }

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  • 原文地址:https://www.cnblogs.com/quyongjin/p/3296616.html
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