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Diffstat (limited to 'qpid/java/broker/src/main/java/org/apache/qpid/server/queue/QueueRunner.java')
| -rw-r--r-- | qpid/java/broker/src/main/java/org/apache/qpid/server/queue/QueueRunner.java | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/qpid/java/broker/src/main/java/org/apache/qpid/server/queue/QueueRunner.java b/qpid/java/broker/src/main/java/org/apache/qpid/server/queue/QueueRunner.java new file mode 100644 index 0000000000..7e1d57e205 --- /dev/null +++ b/qpid/java/broker/src/main/java/org/apache/qpid/server/queue/QueueRunner.java @@ -0,0 +1,84 @@ +/* + * + * 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; + } +}
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