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package org.icesoft.util.concurrent; |
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import java.io.Serializable; |
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import java.util.Collection; |
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import java.util.HashSet; |
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import java.util.Queue; |
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import java.util.Set; |
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import java.util.concurrent.BlockingQueue; |
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import java.util.concurrent.TimeUnit; |
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import java.util.logging.Level; |
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import java.util.logging.Logger; |
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|
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public class BlockingQueueActivityReporter<E> |
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extends DelegatingBlockingQueue<E> |
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implements BlockingQueue<E>, Collection<E>, Iterable<E>, Queue<E>, Serializable { |
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private static final long serialVersionUID = -7703052913523207245L; |
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private static final Logger LOGGER = Logger.getLogger(BlockingQueueActivityReporter.class.getName()); |
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private final Set<BlockingQueueListener> listenerSet = new HashSet<BlockingQueueListener>(); |
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|
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public BlockingQueueActivityReporter(final BlockingQueue<E> blockingQueue) |
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throws NullPointerException { |
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super(blockingQueue); |
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} |
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|
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public void addListener(final BlockingQueueListener listener) { |
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if (!getModifiableListenerSet().contains(listener)) { |
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getModifiableListenerSet().add(listener); |
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} |
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} |
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|
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@Override |
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public boolean add(final E element) { |
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for (final BlockingQueueListener _listener : getModifiableListenerSet()) { |
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_listener.onAdd(new BlockingQueueEvent(getBlockingQueue())); |
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} |
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return super.add(element); |
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} |
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|
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@Override |
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public boolean addAll(final Collection<? extends E> collection) { |
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for (final BlockingQueueListener _listener : getModifiableListenerSet()) { |
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_listener.onAddAll(new BlockingQueueEvent(getBlockingQueue())); |
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} |
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return super.addAll(collection); |
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} |
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|
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@Override |
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public E element() { |
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for (final BlockingQueueListener _listener : getModifiableListenerSet()) { |
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_listener.onElement(new BlockingQueueEvent(getBlockingQueue())); |
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} |
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return super.element(); |
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} |
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|
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@Override |
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public boolean offer(final E element) { |
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for (final BlockingQueueListener _listener : getModifiableListenerSet()) { |
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_listener.onOffer(new BlockingQueueEvent(getBlockingQueue())); |
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} |
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return super.offer(element); |
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} |
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|
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@Override |
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public boolean offer(final E element, final long timeout, final TimeUnit unit) |
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throws InterruptedException { |
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for (final BlockingQueueListener _listener : getModifiableListenerSet()) { |
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_listener.onOffer(new BlockingQueueEvent(getBlockingQueue())); |
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} |
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return super.offer(element, timeout, unit); |
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} |
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|
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@Override |
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public E peek() { |
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for (final BlockingQueueListener _listener : getModifiableListenerSet()) { |
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_listener.onPeek(new BlockingQueueEvent(getBlockingQueue())); |
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} |
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return super.peek(); |
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} |
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|
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@Override |
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public E poll() { |
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for (final BlockingQueueListener _listener : getModifiableListenerSet()) { |
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_listener.onPoll(new BlockingQueueEvent(getBlockingQueue())); |
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} |
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return super.poll(); |
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} |
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|
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@Override |
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public E poll(final long timeout, final TimeUnit unit) |
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throws InterruptedException { |
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for (final BlockingQueueListener _listener : getModifiableListenerSet()) { |
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_listener.onPoll(new BlockingQueueEvent(getBlockingQueue())); |
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} |
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return super.poll(timeout, unit); |
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} |
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|
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@Override |
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public void put(final E element) |
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throws InterruptedException { |
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for (final BlockingQueueListener _listener : getModifiableListenerSet()) { |
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_listener.onPut(new BlockingQueueEvent(getBlockingQueue())); |
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} |
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super.put(element); |
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} |
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|
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@Override |
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public E remove() { |
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for (final BlockingQueueListener _listener : getModifiableListenerSet()) { |
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_listener.onRemove(new BlockingQueueEvent(getBlockingQueue())); |
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} |
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return super.remove(); |
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} |
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|
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@Override |
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public boolean remove(final Object object) { |
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for (final BlockingQueueListener _listener : getModifiableListenerSet()) { |
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_listener.onRemove(new BlockingQueueEvent(getBlockingQueue())); |
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} |
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return super.remove(object); |
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} |
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|
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@Override |
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public boolean removeAll(final Collection<?> collection) { |
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for (final BlockingQueueListener _listener : getModifiableListenerSet()) { |
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_listener.onRemoveAll(new BlockingQueueEvent(getBlockingQueue())); |
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} |
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return super.removeAll(collection); |
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} |
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|
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@Override |
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public E take() |
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throws InterruptedException { |
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for (final BlockingQueueListener _listener : getModifiableListenerSet()) { |
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_listener.onTake(new BlockingQueueEvent(getBlockingQueue())); |
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} |
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return super.take(); |
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} |
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|
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public void removeListener(final BlockingQueueListener listener) { |
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if (getModifiableListenerSet().contains(listener)) { |
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getModifiableListenerSet().remove(listener); |
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} |
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} |
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|
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public BlockingQueueActivityReporter<E> withListener(final BlockingQueueListener listener) { |
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addListener(listener); |
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return this; |
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} |
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|
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protected Set<BlockingQueueListener> getModifiableListenerSet() { |
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return listenerSet; |
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} |
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} |
