| /* |
| * |
| * 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.server.queue; |
| |
| import org.apache.log4j.Logger; |
| import org.apache.qpid.AMQException; |
| import org.apache.qpid.pool.ReadWriteRunnable; |
| import org.apache.qpid.server.logging.actors.CurrentActor; |
| import org.apache.qpid.server.queue.QueueRunner; |
| import org.apache.qpid.server.queue.SimpleAMQQueue; |
| |
| /** |
| * QueueRunners are Runnables used to process a queue when requiring |
| * asynchronous message delivery to subscriptions, which is necessary |
| * when straight-through delivery of a message to a subscription isn't |
| * possible during the enqueue operation. |
| */ |
| public class QueueRunner implements ReadWriteRunnable |
| { |
| private static final Logger _logger = Logger.getLogger(QueueRunner.class); |
| |
| private final String _name; |
| private final SimpleAMQQueue _queue; |
| |
| public QueueRunner(SimpleAMQQueue queue, long count) |
| { |
| _queue = queue; |
| _name = "QueueRunner-" + count + "-" + queue.getLogActor(); |
| } |
| |
| public void run() |
| { |
| String originalName = Thread.currentThread().getName(); |
| try |
| { |
| Thread.currentThread().setName(_name); |
| CurrentActor.set(_queue.getLogActor()); |
| |
| _queue.processQueue(this); |
| } |
| catch (AMQException e) |
| { |
| _logger.error("Exception during asynchronous delivery by " + _name, e); |
| } |
| finally |
| { |
| CurrentActor.remove(); |
| Thread.currentThread().setName(originalName); |
| } |
| } |
| |
| public boolean isRead() |
| { |
| return false; |
| } |
| |
| public boolean isWrite() |
| { |
| return true; |
| } |
| |
| public String toString() |
| { |
| return _name; |
| } |
| } |