| 1 |
/* |
| 2 |
* Written by Doug Lea with assistance from members of JCP JSR-166 |
| 3 |
* Expert Group and released to the public domain, as explained at |
| 4 |
* http://creativecommons.org/publicdomain/zero/1.0/ |
| 5 |
*/ |
| 6 |
|
| 7 |
import java.util.*; |
| 8 |
import java.util.concurrent.*; |
| 9 |
import java.util.concurrent.locks.*; |
| 10 |
|
| 11 |
public class SynchronizedLinkedListQueue<E> |
| 12 |
extends AbstractCollection<E> implements Queue<E> { |
| 13 |
private final Queue<E> q = new LinkedList<E>(); |
| 14 |
|
| 15 |
public synchronized Iterator<E> iterator() { |
| 16 |
return q.iterator(); |
| 17 |
} |
| 18 |
|
| 19 |
public synchronized boolean isEmpty() { |
| 20 |
return q.isEmpty(); |
| 21 |
} |
| 22 |
public synchronized int size() { |
| 23 |
return q.size(); |
| 24 |
} |
| 25 |
public synchronized boolean offer(E o) { |
| 26 |
return q.offer(o); |
| 27 |
} |
| 28 |
public synchronized boolean add(E o) { |
| 29 |
return q.add(o); |
| 30 |
} |
| 31 |
public synchronized E poll() { |
| 32 |
return q.poll(); |
| 33 |
} |
| 34 |
public synchronized E remove() { |
| 35 |
return q.remove(); |
| 36 |
} |
| 37 |
public synchronized E peek() { |
| 38 |
return q.peek(); |
| 39 |
} |
| 40 |
public synchronized E element() { |
| 41 |
return q.element(); |
| 42 |
} |
| 43 |
|
| 44 |
public synchronized boolean contains(Object o) { |
| 45 |
return q.contains(o); |
| 46 |
} |
| 47 |
public synchronized Object[] toArray() { |
| 48 |
return q.toArray(); |
| 49 |
} |
| 50 |
public synchronized <T> T[] toArray(T[] a) { |
| 51 |
return q.toArray(a); |
| 52 |
} |
| 53 |
public synchronized boolean remove(Object o) { |
| 54 |
return q.remove(o); |
| 55 |
} |
| 56 |
|
| 57 |
public synchronized boolean containsAll(Collection<?> coll) { |
| 58 |
return q.containsAll(coll); |
| 59 |
} |
| 60 |
public synchronized boolean addAll(Collection<? extends E> coll) { |
| 61 |
return q.addAll(coll); |
| 62 |
} |
| 63 |
public synchronized boolean removeAll(Collection<?> coll) { |
| 64 |
return q.removeAll(coll); |
| 65 |
} |
| 66 |
public synchronized boolean retainAll(Collection<?> coll) { |
| 67 |
return q.retainAll(coll); |
| 68 |
} |
| 69 |
public synchronized void clear() { |
| 70 |
q.clear(); |
| 71 |
} |
| 72 |
public synchronized String toString() { |
| 73 |
return q.toString(); |
| 74 |
} |
| 75 |
|
| 76 |
} |
