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Spring Framework example source code file (JtaTransactionObject.java)

This example Spring Framework source code file (JtaTransactionObject.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

jta, jta, jtatransactionobject, jtatransactionobject, smarttransactionobject, systemexception, transaction, transactionsystemexception, transactionsystemexception, usertransaction, usertransaction

The Spring Framework JtaTransactionObject.java source code

/*
 * Copyright 2002-2007 the original author or authors.
 *
 * 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.springframework.transaction.jta;

import javax.transaction.Status;
import javax.transaction.SystemException;
import javax.transaction.UserTransaction;

import org.springframework.transaction.TransactionSystemException;
import org.springframework.transaction.support.SmartTransactionObject;

/**
 * JTA transaction object, representing a {@link javax.transaction.UserTransaction}.
 * Used as transaction object by Spring's {@link JtaTransactionManager}.
 *
 * <p>Note: This is an SPI class, not intended to be used by applications.
 *
 * @author Juergen Hoeller
 * @since 1.1
 * @see JtaTransactionManager
 * @see javax.transaction.UserTransaction
 */
public class JtaTransactionObject implements SmartTransactionObject {

	private final UserTransaction userTransaction;


	/**
	 * Create a new JtaTransactionObject for the given JTA UserTransaction.
	 * @param userTransaction the JTA UserTransaction for the current transaction
	 * (either a shared object or retrieved through a fresh per-transaction lookuip)
	 */
	public JtaTransactionObject(UserTransaction userTransaction) {
		this.userTransaction = userTransaction;
	}

	/**
	 * Return the JTA UserTransaction object for the current transaction.
	 */
	public final UserTransaction getUserTransaction() {
		return this.userTransaction;
	}


	/**
	 * This implementation checks the UserTransaction's rollback-only flag.
	 */
	public boolean isRollbackOnly() {
		if (this.userTransaction == null) {
			return false;
		}
		try {
			int jtaStatus = this.userTransaction.getStatus();
			return (jtaStatus == Status.STATUS_MARKED_ROLLBACK || jtaStatus == Status.STATUS_ROLLEDBACK);
		}
		catch (SystemException ex) {
			throw new TransactionSystemException("JTA failure on getStatus", ex);
		}
	}

}

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