001/* 002 * Copyright 2002-2016 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.transaction.jta; 018 019import javax.transaction.Status; 020import javax.transaction.SystemException; 021import javax.transaction.UserTransaction; 022 023import org.springframework.transaction.TransactionSystemException; 024import org.springframework.transaction.support.SmartTransactionObject; 025import org.springframework.transaction.support.TransactionSynchronizationUtils; 026 027/** 028 * JTA transaction object, representing a {@link javax.transaction.UserTransaction}. 029 * Used as transaction object by Spring's {@link JtaTransactionManager}. 030 * 031 * <p>Note: This is an SPI class, not intended to be used by applications. 032 * 033 * @author Juergen Hoeller 034 * @since 1.1 035 * @see JtaTransactionManager 036 * @see javax.transaction.UserTransaction 037 */ 038public class JtaTransactionObject implements SmartTransactionObject { 039 040 private final UserTransaction userTransaction; 041 042 boolean resetTransactionTimeout = false; 043 044 045 /** 046 * Create a new JtaTransactionObject for the given JTA UserTransaction. 047 * @param userTransaction the JTA UserTransaction for the current transaction 048 * (either a shared object or retrieved through a fresh per-transaction lookuip) 049 */ 050 public JtaTransactionObject(UserTransaction userTransaction) { 051 this.userTransaction = userTransaction; 052 } 053 054 /** 055 * Return the JTA UserTransaction object for the current transaction. 056 */ 057 public final UserTransaction getUserTransaction() { 058 return this.userTransaction; 059 } 060 061 062 /** 063 * This implementation checks the UserTransaction's rollback-only flag. 064 */ 065 @Override 066 public boolean isRollbackOnly() { 067 if (this.userTransaction == null) { 068 return false; 069 } 070 try { 071 int jtaStatus = this.userTransaction.getStatus(); 072 return (jtaStatus == Status.STATUS_MARKED_ROLLBACK || jtaStatus == Status.STATUS_ROLLEDBACK); 073 } 074 catch (SystemException ex) { 075 throw new TransactionSystemException("JTA failure on getStatus", ex); 076 } 077 } 078 079 /** 080 * This implementation triggers flush callbacks, 081 * assuming that they will flush all affected ORM sessions. 082 * @see org.springframework.transaction.support.TransactionSynchronization#flush() 083 */ 084 @Override 085 public void flush() { 086 TransactionSynchronizationUtils.triggerFlush(); 087 } 088 089}