diff options
Diffstat (limited to 'bundles/org.eclipse.equinox.log.stream/osgi/src/org/osgi/util/pushstream/QueuePolicyOption.java')
-rw-r--r-- | bundles/org.eclipse.equinox.log.stream/osgi/src/org/osgi/util/pushstream/QueuePolicyOption.java | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/bundles/org.eclipse.equinox.log.stream/osgi/src/org/osgi/util/pushstream/QueuePolicyOption.java b/bundles/org.eclipse.equinox.log.stream/osgi/src/org/osgi/util/pushstream/QueuePolicyOption.java deleted file mode 100644 index 35df890ee..000000000 --- a/bundles/org.eclipse.equinox.log.stream/osgi/src/org/osgi/util/pushstream/QueuePolicyOption.java +++ /dev/null @@ -1,76 +0,0 @@ -/* - * Copyright (c) OSGi Alliance (2015, 2016). All Rights Reserved. - * - * Licensed 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.osgi.util.pushstream; - -import java.util.concurrent.BlockingQueue; - -/** - * {@link QueuePolicyOption} provides a standard set of simple - * {@link QueuePolicy} implementations. - * - * @see QueuePolicy - */ -public enum QueuePolicyOption { - /** - * Attempt to add the supplied event to the queue. If the queue is unable to - * immediately accept the value then discard the value at the head of the - * queue and try again. Repeat this process until the event is enqueued. - */ - DISCARD_OLDEST { - @Override - public <T, U extends BlockingQueue<PushEvent<? extends T>>> QueuePolicy<T, U> getPolicy() { - return (queue, event) -> { - while (!queue.offer(event)) { - queue.poll(); - } - }; - } - }, - /** - * Attempt to add the supplied event to the queue, blocking until the - * enqueue is successful. - */ - BLOCK { - @Override - public <T, U extends BlockingQueue<PushEvent<? extends T>>> QueuePolicy<T, U> getPolicy() { - return (queue, event) -> { - try { - queue.put(event); - } catch (InterruptedException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } - }; - } - }, - /** - * Attempt to add the supplied event to the queue, throwing an exception if - * the queue is full. - */ - FAIL { - @Override - public <T, U extends BlockingQueue<PushEvent<? extends T>>> QueuePolicy<T, U> getPolicy() { - return (queue, event) -> queue.add(event); - } - }; - - /** - * @return a {@link QueuePolicy} implementation - */ - public abstract <T, U extends BlockingQueue<PushEvent<? extends T>>> QueuePolicy<T, U> getPolicy(); - -} |