diff options
author | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2009-03-20 10:09:15 +0000 |
---|---|---|
committer | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2009-03-20 10:09:15 +0000 |
commit | aee4ccff94e790912b0230b244cc9e46ec62463b (patch) | |
tree | fcbd327fb3541da53e0b7250b7b6819809d92bdf /sandbox/ant/sca/trunk/modules/core/src/main/java/org/apache/tuscany/sca/core/work/impl/DefaultWorkScheduler.java | |
parent | bc0c23f2e0653ff34d09c59cc0e325251a543415 (diff) |
Delete test trunk
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@756398 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sandbox/ant/sca/trunk/modules/core/src/main/java/org/apache/tuscany/sca/core/work/impl/DefaultWorkScheduler.java')
-rw-r--r-- | sandbox/ant/sca/trunk/modules/core/src/main/java/org/apache/tuscany/sca/core/work/impl/DefaultWorkScheduler.java | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/sandbox/ant/sca/trunk/modules/core/src/main/java/org/apache/tuscany/sca/core/work/impl/DefaultWorkScheduler.java b/sandbox/ant/sca/trunk/modules/core/src/main/java/org/apache/tuscany/sca/core/work/impl/DefaultWorkScheduler.java deleted file mode 100644 index 3df2f7188b..0000000000 --- a/sandbox/ant/sca/trunk/modules/core/src/main/java/org/apache/tuscany/sca/core/work/impl/DefaultWorkScheduler.java +++ /dev/null @@ -1,191 +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.tuscany.sca.core.work.impl; - -import java.security.AccessController; -import java.security.PrivilegedAction; - -import org.apache.tuscany.sca.work.NotificationListener; -import org.apache.tuscany.sca.work.WorkScheduler; -import org.apache.tuscany.sca.work.WorkSchedulerException; - -/** - * A work scheduler implementation based on a JSR 237 work manager. - * <p/> - * <p/> - * This needs a JSR 237 work manager implementation available for scheduling work. Instances can be configured with a - * work manager implementation that is injected in. It is the responsibility of the runtime environment to make a work - * manager implementation available. For example, if the managed environment supports work manager the runtime can use - * the appropriate lookup mechanism to inject the work manager implementation. </p> - * - * @version $Rev$ $Date$ - */ -public class DefaultWorkScheduler implements WorkScheduler { - - /** - * Underlying JSR-237 work manager - */ - private ThreadPoolWorkManager jsr237WorkManager; - - /** - * Initializes the JSR 237 work manager. - * - * @param jsr237WorkManager JSR 237 work manager. - */ - public DefaultWorkScheduler() { - } - - private synchronized ThreadPoolWorkManager getWorkManager() { - if (jsr237WorkManager != null) { - return jsr237WorkManager; - } -// try { -// InitialContext ctx = new InitialContext(); -// jsr237WorkManager = (ThreadPoolWorkManager)ctx.lookup("java:comp/env/wm/TuscanyWorkManager"); -// } catch (Throwable e) { -// // ignore -// } - if (jsr237WorkManager == null) { - jsr237WorkManager = new ThreadPoolWorkManager(10); - } - return jsr237WorkManager; - } - - /** - * Schedules a unit of work for future execution. The notification listener is used to register interest in - * callbacks regarding the status of the work. - * - * @param work The unit of work that needs to be asynchronously executed. - */ - public <T extends Runnable> void scheduleWork(T work) { - scheduleWork(work, null); - } - - /** - * Schedules a unit of work for future execution. The notification listener is used to register interest in - * callbacks regarding the status of the work. - * - * @param work The unit of work that needs to be asynchronously executed. - * @param listener Notification listener for callbacks. - */ - public <T extends Runnable> void scheduleWork(T work, NotificationListener<T> listener) { - - if (work == null) { - throw new IllegalArgumentException("Work cannot be null"); - } - - Work<T> jsr237Work = new Work<T>(work); - try { - if (listener == null) { - getWorkManager().schedule(jsr237Work); - } else { - Jsr237WorkListener<T> jsr237WorkListener = new Jsr237WorkListener<T>(listener, work); - getWorkManager().schedule(jsr237Work, jsr237WorkListener); - } - } catch (IllegalArgumentException ex) { - if (listener != null) { - listener.workRejected(work); - } else { - throw new WorkSchedulerException(ex); - } - } catch (Exception ex) { - throw new WorkSchedulerException(ex); - } - - } - - public void destroy() { - if (jsr237WorkManager instanceof ThreadPoolWorkManager) { - // Allow privileged access to modify threads. Requires RuntimePermission in security - // policy. - AccessController.doPrivileged(new PrivilegedAction<Object>() { - public Object run() { - ((ThreadPoolWorkManager)jsr237WorkManager).destroy(); - return null; - } - }); - } - } - - /* - * WorkListener for keeping track of work status callbacks. - * - */ - private class Jsr237WorkListener<T extends Runnable> implements WorkListener { - - // Notification listener - private NotificationListener<T> listener; - - // Work - private T work; - - /* - * Initializes the notification listener. - */ - public Jsr237WorkListener(NotificationListener<T> listener, T work) { - this.listener = listener; - this.work = work; - } - - /* - * Callback when the work is accepted. - */ - public void workAccepted(WorkEvent workEvent) { - T work = getWork(); - listener.workAccepted(work); - } - - /* - * Callback when the work is rejected. - */ - public void workRejected(WorkEvent workEvent) { - T work = getWork(); - listener.workRejected(work); - } - - /* - * Callback when the work is started. - */ - public void workStarted(WorkEvent workEvent) { - T work = getWork(); - listener.workStarted(work); - } - - /* - * Callback when the work is completed. - */ - public void workCompleted(WorkEvent workEvent) { - T work = getWork(); - Exception exception = workEvent.getException(); - if (exception != null) { - listener.workFailed(work, exception); - } else { - listener.workCompleted(work); - } - } - - /* - * Gets the underlying work from the work event. - */ - private T getWork() { - return work; - } - - } -} |