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* as indicated by the @author tags. See the copyright.txt file in the
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*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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package org.jboss.as.test.integration.jpa.datasourcedefinition;
import javax.annotation.Resource;
import javax.ejb.Stateful;
import javax.ejb.TransactionManagement;
import javax.ejb.TransactionManagementType;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.PersistenceContextType;
import javax.transaction.NotSupportedException;
import javax.transaction.SystemException;
import javax.transaction.UserTransaction;
/**
* stateful session bean with an extended persistence context
*
* @author Scott Marlow
*/
@Stateful
@TransactionManagement(TransactionManagementType.BEAN)
public class SFSBXPC {
@PersistenceContext(unitName = "mypc", type = PersistenceContextType.EXTENDED)
EntityManager extendedEm;
@Resource
UserTransaction tx;
public void createEmployeeNoTx(String name, String address, int id) {
Employee emp = new Employee();
emp.setId(id);
emp.setAddress(address);
emp.setName(name);
extendedEm.persist(emp);
}
/**
* UT part of test for JPA 7.9.1 Container Responsibilities for XPC
* <p>
* "When a business method of the stateful session bean is invoked, if the stateful session bean
* uses bean managed transaction demarcation and a UserTransaction is begun within the method,
* the container associates the persistence context with the JTA transaction and calls
* EntityManager.joinTransaction.
* "
*/
public void savePendingChanges() {
try {
tx.begin();
tx.commit();
} catch (Exception e) {
throw new RuntimeException("could not commit pending extended persistence changes", e);
}
}
public void forceRollbackAndLosePendingChanges(int id, boolean shouldOfSavedAlready) {
Employee employee = extendedEm.find(Employee.class, id);
if (employee == null) { // employee should be found
throw new RuntimeException("pending database changes were not saved previously, could not find Employee id = " + id);
}
try {
tx.begin();
tx.rollback();
} catch (NotSupportedException ignore) {
} catch (SystemException ignore) {
}
employee = extendedEm.find(Employee.class, id);
if (shouldOfSavedAlready && employee == null) {
throw new RuntimeException("unexpectedly in forceRollbackAndLosePendingChanges(), rollback lost Employee id = " + id + ", which should of been previously saved");
} else if (!shouldOfSavedAlready && employee != null) {
throw new RuntimeException("unexpectedly in forceRollbackAndLosePendingChanges(), database changes shouldn't of been saved yet for Employee id = " + id);
}
}
public Employee lookup(int empid) {
return extendedEm.find(Employee.class, empid);
}
}