org.mycore.backend.jpa.MCREntityManagerProvider Maven / Gradle / Ivy
/*
* This file is part of *** M y C o R e ***
* See http://www.mycore.de/ for details.
*
* MyCoRe is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* MyCoRe is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MyCoRe. If not, see .
*/
package org.mycore.backend.jpa;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.PersistenceException;
public class MCREntityManagerProvider {
private static EntityManagerFactory factory;
private static MCRSessionContext context;
private static PersistenceException initException;
public static EntityManagerFactory getEntityManagerFactory() {
return factory;
}
public static EntityManager getCurrentEntityManager() {
if (context == null && initException != null) {
throw initException;
}
return context.getCurrentEntityManager();
}
static void init(EntityManagerFactory factory) {
MCREntityManagerProvider.factory = factory;
context = new MCRSessionContext(factory);
}
static void init(PersistenceException e) {
initException = e;
}
}