JtaEntityManagerWrapper.java

/*
 * Copyright 2004-2009 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.compass.gps.device.jpa;

import javax.persistence.PersistenceException;

/**
 * A JTA only {@link EntityManagerWrapper}. Works only with JPA code that exists within
 * a JTA transaction.
 *
 * @author kimchy
 */
public class JtaEntityManagerWrapper extends AbstractEntityManagerWrapper {

    @Override
    protected void beginTransaction() throws PersistenceException {
        entityManager.joinTransaction();
    }

    @Override
    protected void commitTransaction() throws PersistenceException {
    }

    @Override
    protected void rollbackTransaction() throws PersistenceException {
    }

    @Override
    protected boolean shouldCloseEntityManager() {
        return false;
    }
}