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/*
 * 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.HeuristicMixedException;
import javax.transaction.HeuristicRollbackException;
import javax.transaction.NotSupportedException;
import javax.transaction.RollbackException;
import javax.transaction.SystemException;
import javax.transaction.TransactionManager;
import javax.transaction.UserTransaction;

import org.springframework.util.Assert;

/**
 * Adapter for a JTA UserTransaction handle, taking a JTA
 * {@link javax.transaction.TransactionManager} reference and creating
 * a JTA {@link javax.transaction.UserTransaction} handle for it.
 *
 * 

The JTA UserTransaction interface is an exact subset of the JTA * TransactionManager interface. Unfortunately, it does not serve as * super-interface of TransactionManager, though, which requires an * adapter such as this class to be used when intending to talk to * a TransactionManager handle through the UserTransaction interface. * *

Used internally by Spring's {@link JtaTransactionManager} for certain * scenarios. Not intended for direct use in application code. * * @author Juergen Hoeller * @since 1.1.5 */ public class UserTransactionAdapter implements UserTransaction { private final TransactionManager transactionManager; /** * Create a new UserTransactionAdapter for the given TransactionManager. * @param transactionManager the JTA TransactionManager to wrap */ public UserTransactionAdapter(TransactionManager transactionManager) { Assert.notNull(transactionManager, "TransactionManager must not be null"); this.transactionManager = transactionManager; } /** * Return the JTA TransactionManager that this adapter delegates to. */ public final TransactionManager getTransactionManager() { return this.transactionManager; } public void begin() throws NotSupportedException, SystemException { this.transactionManager.begin(); } public void commit() throws RollbackException, HeuristicMixedException, HeuristicRollbackException, SecurityException, IllegalStateException, SystemException { this.transactionManager.commit(); } public int getStatus() throws SystemException { return this.transactionManager.getStatus(); } public void rollback() throws IllegalStateException, SecurityException, SystemException { this.transactionManager.rollback(); } public void setRollbackOnly() throws IllegalStateException, SystemException { this.transactionManager.setRollbackOnly(); } public void setTransactionTimeout(int timeout) throws SystemException { this.transactionManager.setTransactionTimeout(timeout); } }





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