/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and/or its affiliates, and individual
* contributors by the @authors tag. See the copyright.txt in the
* distribution for a full listing of individual contributors.
*
* 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.switchyard.quickstarts.demo.policy.transaction;
import javax.inject.Inject;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;
import org.switchyard.component.bean.Reference;
import org.switchyard.component.bean.Service;
import org.switchyard.policy.TransactionPolicy;
import org.switchyard.runtime.util.TransactionManagerLocator;
/**
* Transactional service implementation. To trigger a rollback on the
* current transaction, pass <code>TaskCServiceBean.ROLLBACK</code> as the command name.
*/
@Service(TaskCService.class)
public class TaskCServiceBean implements TaskCService {
/** rollback command for this subtask. */
public static final String ROLLBACK = WorkServiceBean.ROLLBACK + ".C";
@Inject
@Reference("StoreCService")
private StoreService _storeC;
@Override
public final void doTask(final String command) {
print("Received command => " + command);
Transaction t = null;
try {
t = getCurrentTransaction();
} catch (Exception e) {
print("Failed to get current transcation");
}
_storeC.store(command);
if (t == null) {
print("No active transaction");
} else {
print("[Error] Managed transaction exists in spite of being marked as " + TransactionPolicy.NO_MANAGED_TRANSACTION);
}
if (command.contains(ROLLBACK)) {
print(String.format("This service requires %s, so it never has transaction to rollback.", TransactionPolicy.NO_MANAGED_TRANSACTION));
}
}
private Transaction getCurrentTransaction() throws Exception {
TransactionManager tm = TransactionManagerLocator.locateTransactionManager();
return tm.getTransaction();
}
private void print(String message) {
System.out.println(":: TaskCService :: " + message);
}
}