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Posted to commits@activemq.apache.org by ra...@apache.org on 2008/02/18 10:36:42 UTC
svn commit: r628665 -
/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/thread/DeterministicTaskRunner.java
Author: rajdavies
Date: Mon Feb 18 01:36:39 2008
New Revision: 628665
URL: http://svn.apache.org/viewvc?rev=628665&view=rev
Log:
Added a TaksRunner that always executes iterate - even if its already running
Added:
activemq/trunk/activemq-core/src/main/java/org/apache/activemq/thread/DeterministicTaskRunner.java (with props)
Added: activemq/trunk/activemq-core/src/main/java/org/apache/activemq/thread/DeterministicTaskRunner.java
URL: http://svn.apache.org/viewvc/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/thread/DeterministicTaskRunner.java?rev=628665&view=auto
==============================================================================
--- activemq/trunk/activemq-core/src/main/java/org/apache/activemq/thread/DeterministicTaskRunner.java (added)
+++ activemq/trunk/activemq-core/src/main/java/org/apache/activemq/thread/DeterministicTaskRunner.java Mon Feb 18 01:36:39 2008
@@ -0,0 +1,86 @@
+/**
+ * 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.activemq.thread;
+
+import java.util.concurrent.Executor;
+
+/**
+ * @version $Revision: 1.1 $
+ */
+public class DeterministicTaskRunner implements TaskRunner {
+
+ private final Executor executor;
+ private final Task task;
+ private final Runnable runable;
+ private boolean shutdown;
+
+ /**Constructor
+ * @param executor
+ * @param task
+ */
+ public DeterministicTaskRunner(Executor executor, Task task) {
+ this.executor = executor;
+ this.task = task;
+ this.runable = new Runnable() {
+ public void run() {
+ Thread.currentThread();
+ runTask();
+ }
+ };
+ }
+
+ /**
+ * We Expect MANY wakeup calls on the same TaskRunner - but each
+ * needs to run
+ */
+ public void wakeup() throws InterruptedException {
+ synchronized (runable) {
+
+ if (shutdown) {
+ return;
+ }
+ executor.execute(runable);
+
+ }
+ }
+
+ /**
+ * shut down the task
+ *
+ * @throws InterruptedException
+ */
+ public void shutdown(long timeout) throws InterruptedException {
+ synchronized (runable) {
+ shutdown = true;
+ }
+ }
+
+ public void shutdown() throws InterruptedException {
+ shutdown(0);
+ }
+
+ final void runTask() {
+
+ synchronized (runable) {
+ if (shutdown) {
+ runable.notifyAll();
+ return;
+ }
+ }
+ task.iterate();
+ }
+}
Propchange: activemq/trunk/activemq-core/src/main/java/org/apache/activemq/thread/DeterministicTaskRunner.java
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