| /* |
| * 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.openejb.core.transaction; |
| |
| import java.rmi.RemoteException; |
| import javax.transaction.Transaction; |
| import javax.transaction.TransactionManager; |
| import javax.transaction.UserTransaction; |
| |
| import org.apache.openejb.ApplicationException; |
| import org.apache.openejb.SystemException; |
| import org.apache.openejb.core.CoreUserTransaction; |
| |
| public class TxBeanManaged extends JtaTransactionPolicy implements BeanTransactionPolicy { |
| private Transaction clientTx; |
| |
| public TxBeanManaged(TransactionManager transactionManager) throws SystemException { |
| super(TransactionType.BeanManaged, transactionManager); |
| |
| clientTx = suspendTransaction(); |
| } |
| |
| public boolean isNewTransaction() { |
| return false; |
| } |
| |
| public boolean isClientTransaction() { |
| return false; |
| } |
| |
| public Transaction getCurrentTransaction() { |
| try { |
| return getTransaction(); |
| } catch (SystemException e) { |
| throw new IllegalStateException("Exception getting current transaction"); |
| } |
| } |
| |
| public UserTransaction getUserTransaction() { |
| return new CoreUserTransaction(transactionManager); |
| } |
| |
| public SuspendedTransaction suspendUserTransaction() throws SystemException { |
| // Get the transaction after the method invocation |
| Transaction currentTx = suspendTransaction(); |
| if (currentTx == null) { |
| return null; |
| } |
| |
| return new JtaSuspendedTransaction(currentTx); |
| } |
| |
| public void resumeUserTransaction(SuspendedTransaction suspendedTransaction) throws SystemException { |
| if (suspendedTransaction == null) throw new NullPointerException("suspendedTransaction is null"); |
| |
| Transaction beanTransaction = ((JtaSuspendedTransaction) suspendedTransaction).transaction; |
| if (beanTransaction == null) { |
| throw new SystemException("Bean transaction has already been resumed or destroyed"); |
| } |
| |
| try { |
| resumeTransaction(beanTransaction); |
| } catch (SystemException e) { |
| suspendedTransaction.destroy(); |
| throw e; |
| } |
| } |
| |
| public void commit() throws ApplicationException, SystemException { |
| try { |
| // The Container must detect the case in which a transaction was started, but |
| // not completed, in the business method, and handle it as follows: |
| Transaction currentTx = getTransaction(); |
| if (currentTx != null) { |
| String message = "The EJB started a transaction but did not complete it."; |
| |
| /* [1] Log this as an application error ********/ |
| logger.error(message); |
| |
| /* [2] Roll back the started transaction *******/ |
| try { |
| rollbackTransaction(currentTx); |
| } catch (Throwable t) { |
| |
| } |
| |
| /* [3] Throw the RemoteException to the client */ |
| throw new ApplicationException(new RemoteException(message)); |
| } |
| |
| fireNonTransactionalCompletion(); |
| } finally { |
| resumeTransaction(clientTx); |
| } |
| } |
| |
| private static class JtaSuspendedTransaction implements SuspendedTransaction { |
| private Transaction transaction; |
| |
| public JtaSuspendedTransaction(Transaction transaction) { |
| if (transaction == null) throw new NullPointerException("transaction is null"); |
| this.transaction = transaction; |
| } |
| |
| public void destroy() { |
| Transaction beanTransaction = transaction; |
| transaction = null; |
| if (beanTransaction == null) { |
| return; |
| } |
| |
| try { |
| beanTransaction.rollback(); |
| } catch (Exception e) { |
| logger.error("Error rolling back suspended transaction for discarded stateful session bean instance"); |
| } |
| } |
| } |
| } |