diff options
Diffstat (limited to 'qpid/java/common/src/main/java/org/apache/qpid/util/ConcurrentLinkedQueueAtomicSize.java')
-rw-r--r-- | qpid/java/common/src/main/java/org/apache/qpid/util/ConcurrentLinkedQueueAtomicSize.java | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/qpid/java/common/src/main/java/org/apache/qpid/util/ConcurrentLinkedQueueAtomicSize.java b/qpid/java/common/src/main/java/org/apache/qpid/util/ConcurrentLinkedQueueAtomicSize.java deleted file mode 100644 index c4d7683a02..0000000000 --- a/qpid/java/common/src/main/java/org/apache/qpid/util/ConcurrentLinkedQueueAtomicSize.java +++ /dev/null @@ -1,70 +0,0 @@ -/* - * - * 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.qpid.util; - -import java.util.concurrent.ConcurrentLinkedQueue; -import java.util.concurrent.atomic.AtomicInteger; - -public class ConcurrentLinkedQueueAtomicSize<E> extends ConcurrentLinkedQueue<E> -{ - AtomicInteger _size = new AtomicInteger(0); - - public int size() - { - return _size.get(); - } - - public boolean offer(E o) - { - - if (super.offer(o)) - { - _size.incrementAndGet(); - return true; - } - - return false; - } - - public E poll() - { - E e = super.poll(); - - if (e != null) - { - _size.decrementAndGet(); - } - - return e; - } - - @Override - public boolean remove(Object o) - { - if (super.remove(o)) - { - _size.decrementAndGet(); - return true; - } - - return false; - } -} |