org.compass.gps.device.jpa.NativeJpaExtractor Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of compass Show documentation
Show all versions of compass Show documentation
Compass Search Engine Framework
/*
* Copyright 2004-2006 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.EntityManager;
import javax.persistence.EntityManagerFactory;
/**
* A native EntityManagerFactory extractor. Should be used with code/frameworks that
* wrap the actual EntityManagerFactory.
*
* @author kimchy
*/
public interface NativeJpaExtractor {
/**
* Returns the actual EntityManagerFactory based on the given EntityManagerFactory.
* Should return the same EntityManagerFactory if not wrapping has been done.
*
* @param entityManagerFactory The (possibly) wrapped EntityManagerFactory.
* @return The actual EntityManagerFactory implementation.
* @throws JpaGpsDeviceException
*/
EntityManagerFactory extractNative(EntityManagerFactory entityManagerFactory) throws JpaGpsDeviceException;
/**
* Extracts the native EntityManager based on the given EntityManager.
* Should return the same EntityManager if no wrapper has been done.
*
* @param entityManager The (possibly) wrapper EntityManager.
* @return The actual EntityManager.
* @throws JpaGpsDeviceException
*/
EntityManager extractNative(EntityManager entityManager) throws JpaGpsDeviceException;
}