/*
 * Copyright 2005-2010 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.wamblee.test.transactions;

import javax.transaction.HeuristicMixedException;
import javax.transaction.HeuristicRollbackException;
import javax.transaction.NotSupportedException;
import javax.transaction.RollbackException;
import javax.transaction.SystemException;
import javax.transaction.UserTransaction;

/**
 * User transaction implemenetation that automatically creates thread specific transaction if needed.
 * 
 * @author Erik Brakkee
 *
 */
public class AutoCreateUserTransaction implements UserTransaction {
    
    private SimpleTransactionManager manager; 
    
    public AutoCreateUserTransaction(SimpleTransactionManager aManager) {
        manager = aManager; 
    }
    
    private UserTransaction getTransaction() { 
        return manager.getOrCreateThreadSpecificTransaction(); 
    }
    
    @Override
    public void begin() throws NotSupportedException, SystemException {
        getTransaction().begin();
    }
    
    @Override
    public void commit() throws RollbackException, HeuristicMixedException,
        HeuristicRollbackException, SecurityException, IllegalStateException,
        SystemException {
        getTransaction().commit();
    }
    
    @Override
    public int getStatus() throws SystemException {
        return getTransaction().getStatus();
    }
    
    @Override
    public void rollback() throws IllegalStateException, SecurityException,
        SystemException {
        getTransaction().rollback();
    }
    
    @Override
    public void setRollbackOnly() throws IllegalStateException, SystemException {
        getTransaction().setRollbackOnly();
    }
    
    @Override
    public void setTransactionTimeout(int aSeconds) throws SystemException {
        getTransaction().setTransactionTimeout(aSeconds);   
    }

}