/*
* 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.ode.dao.jpa;
import javax.transaction.NotSupportedException;
import javax.transaction.SystemException;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;
import org.apache.openjpa.ee.ManagedRuntime;
import org.apache.openjpa.util.GeneralException;
public class JpaTxMgrProvider implements ManagedRuntime {
private TransactionManager _txMgr;
public JpaTxMgrProvider(TransactionManager txMgr) {
_txMgr = txMgr;
}
public TransactionManager getTransactionManager() throws Exception {
return _txMgr;
}
public void setRollbackOnly(Throwable cause) throws Exception {
// there is no generic support for setting the rollback cause
getTransactionManager().getTransaction().setRollbackOnly();
}
public Throwable getRollbackCause() throws Exception {
// there is no generic support for setting the rollback cause
return null;
}
public Object getTransactionKey() throws Exception, SystemException {
return _txMgr.getTransaction();
}
public void doNonTransactionalWork(java.lang.Runnable runnable) throws NotSupportedException {
TransactionManager tm = null;
Transaction transaction = null;
try {
tm = getTransactionManager();
transaction = tm.suspend();
} catch (Exception e) {
NotSupportedException nse =
new NotSupportedException(e.getMessage());
nse.initCause(e);
throw nse;
}
runnable.run();
try {
tm.resume(transaction);
} catch (Exception e) {
try {
transaction.setRollbackOnly();
}
catch(SystemException se2) {
throw new GeneralException(se2);
}
NotSupportedException nse =
new NotSupportedException(e.getMessage());
nse.initCause(e);
throw nse;
}
}
}