/**
*
* Copyright 2004 The Apache Software Foundation
*
* 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.apache.geronimo.timer;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.geronimo.transaction.context.TransactionContextManager;
import org.apache.geronimo.transaction.context.TransactionContext;
/**
* @version $Rev: 355877 $ $Date: 2005-12-11 03:48:27 +0100 (Sun, 11 Dec 2005) $
*/
public class TransactionalExecutorTask implements ExecutorTask {
private static final Log log = LogFactory.getLog(TransactionalExecutorTask.class);
private final Runnable userTask;
private final WorkInfo workInfo;
private final ThreadPooledTimer threadPooledTimer;
private final TransactionContextManager transactionContextManager;
private final int repeatCount;
public TransactionalExecutorTask(Runnable userTask, WorkInfo workInfo, ThreadPooledTimer threadPooledTimer, TransactionContextManager transactionContextManager, int repeatCount) {
this.userTask = userTask;
this.workInfo = workInfo;
this.threadPooledTimer = threadPooledTimer;
this.transactionContextManager = transactionContextManager;
this.repeatCount = repeatCount;
}
public void run() {
TransactionContext transactionContext = null;
for (int tries = 0; tries < repeatCount; tries++) {
try {
transactionContext = transactionContextManager.newContainerTransactionContext();
} catch (Exception e) {
log.warn("Exception occured while starting container transaction", e);
break;
}
try {
try {
userTask.run();
} catch (Exception e) {
log.warn("Exception occured while running user task", e);
}
try {
threadPooledTimer.workPerformed(workInfo);
} catch (PersistenceException e) {
log.warn("Exception occured while updating timer persistent state", e);
}
} finally {
try {
transactionContextManager.setContext(null);
if (transactionContext.commit()) {
if (workInfo.isOneTime()) {
threadPooledTimer.removeWorkInfo(workInfo);
}
// todo this is a very weird code structure.... returning from a finally is very confusing
return;
}
} catch (Exception e) {
log.warn("Exception occured while completing container transaction", e);
}
}
}
if (workInfo.isOneTime()) {
threadPooledTimer.removeWorkInfo(workInfo);
}
log.warn("Failed to execute work successfully");
}
}