/*
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* JBoss, Home of Professional Open Source
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* Copyright 2005, JBoss Inc., and individual contributors as indicated
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* by the @authors tag. See the copyright.txt in the distribution for a
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* full listing of individual contributors.
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*
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* This is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this software; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
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*/
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package org.jbpm.pvm.internal.tx;
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import javax.naming.InitialContext;
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import javax.transaction.Status;
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import javax.transaction.Synchronization;
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import javax.transaction.SystemException;
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import javax.transaction.TransactionManager;
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import javax.transaction.UserTransaction;
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import org.jbpm.api.JbpmException;
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import org.jbpm.internal.log.Log;
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/**
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* @author Tom Baeyens
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*/
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public class JtaTransaction extends AbstractTransaction implements Transaction {
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private static Log log = Log.getLog(JtaTransaction.class.getName());
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public static final String JNDINAME_USERTRANSACTION_JBOSS_GLOBAL = "UserTransaction";
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public static final String JNDINAME_TRANSACTIONMANAGER_JBOSS_GLOBAL = "java:/TransactionManager";
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protected String userTransactionJndiName = JNDINAME_USERTRANSACTION_JBOSS_GLOBAL;
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protected String transactionManagerJndiName = JNDINAME_TRANSACTIONMANAGER_JBOSS_GLOBAL;
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public boolean isRollbackOnly() {
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try {
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return lookupJeeUserTransaction().getStatus()==Status.STATUS_MARKED_ROLLBACK;
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} catch (SystemException e) {
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throw new JbpmException("couldn't get status of user transaction: "+e.getMessage(), e);
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}
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}
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public void setRollbackOnly() {
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try {
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lookupJeeUserTransaction().setRollbackOnly();
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} catch (Exception e) {
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throw new JbpmException("couldn't set user transaction to rollback only: "+e.getMessage(), e);
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}
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}
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public void registerSynchronization(Synchronization synchronization) {
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try {
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lookupJeeTransaction().registerSynchronization(synchronization);
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} catch (Exception e) {
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throw new JbpmException("couldn't register synchronization: "+e.getMessage(), e);
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}
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}
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public void begin() {
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try {
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lookupJeeUserTransaction().begin();
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} catch (Exception e) {
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throw new JbpmException("couldn't begin transaction: "+e.getMessage(), e);
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}
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}
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public void rollback() {
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try {
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lookupJeeUserTransaction().rollback();
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} catch (Exception e) {
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throw new JbpmException("couldn't rollback: "+e.getMessage(), e);
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}
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}
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public void commit() {
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try {
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flushDeserializedObjects();
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lookupJeeUserTransaction().commit();
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} catch (Exception e) {
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throw new JbpmException("couldn't commit: "+e.getMessage(), e);
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}
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}
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public javax.transaction.Transaction suspend() {
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try {
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return lookupJeeTransactionManager().suspend();
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} catch (Exception e) {
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throw new JbpmException("couldn't suspend: "+e.getMessage(), e);
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}
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}
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public void resume(javax.transaction.Transaction transaction) {
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try {
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lookupJeeTransactionManager().resume(transaction);
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} catch (Exception e) {
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throw new JbpmException("couldn't resume: "+e.getMessage(), e);
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}
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}
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// lookups //////////////////////////////////////////////////////////////////
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public UserTransaction lookupJeeUserTransaction() {
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return (UserTransaction) lookupFromJndi(userTransactionJndiName);
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}
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public javax.transaction.Transaction lookupJeeTransaction() {
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try {
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TransactionManager transactionManager = lookupJeeTransactionManager();
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return transactionManager.getTransaction();
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} catch (Exception e) {
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throw new JbpmException("couldn't get transaction from transaction manager "+transactionManagerJndiName+": "+e.getMessage(), e);
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}
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}
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public TransactionManager lookupJeeTransactionManager() {
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return (TransactionManager) lookupFromJndi(transactionManagerJndiName);
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}
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public static Object lookupFromJndi(String jndiName) {
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try {
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InitialContext initialContext = new InitialContext();
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return initialContext.lookup(jndiName);
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} catch (Exception e) {
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throw new JbpmException("couldn't lookup '"+jndiName+"' from jndi: "+e.getMessage()+": "+e.getMessage(), e);
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}
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}
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public static int getUserTransactionStatus(UserTransaction userTransaction) {
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int status = -1;
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try {
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status = userTransaction.getStatus();
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} catch (SystemException e) {
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throw new JbpmException("couldn't get transaction status: "+e.getMessage(), e);
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}
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log.trace("jta transaction status: "+JtaStatusHelper.toString(status));
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return status;
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}
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}
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