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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
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*
* 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.transaction.envers;
import static org.junit.Assert.assertEquals;
import javax.annotation.Resource;
import javax.ejb.SessionContext;
import javax.ejb.Stateful;
import javax.ejb.TransactionManagement;
import javax.ejb.TransactionManagementType;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.transaction.UserTransaction;
import org.hibernate.envers.AuditReader;
import org.hibernate.envers.AuditReaderFactory;
/**
* stateful session bean
*
* @author Madhumita Sadhukhan
*/
@Stateful
@TransactionManagement(TransactionManagementType.BEAN)
public class SFSB1 {
@PersistenceContext(unitName = "mypc")
EntityManager em;
@Resource
SessionContext sessionContext;
// create Employee
public Employee createEmployeeTx(String name, String address, int id) {
Employee emp = new Employee();
emp.setId(id);
emp.setAddress(address);
emp.setName(name);
UserTransaction tx1 = sessionContext.getUserTransaction();
try {
tx1.begin();
em.joinTransaction();
em.persist(emp);
tx1.commit();
return emp;
} catch (Exception e) {
throw new RuntimeException("couldn't start tx", e);
}
}
public void updateEmployeeTx(String address, Employee emp) {
emp.setAddress(address);
UserTransaction tx1 = sessionContext.getUserTransaction();
try {
tx1.begin();
//System.out.println("Inside JTA updateEmployeeTx after transaction begins:--");
em.joinTransaction();
em.merge(emp);
tx1.commit();
} catch (Exception e) {
throw new RuntimeException("couldn't start tx", e);
}
}
public void updateEmployeeTxwithRollBack(String address, Employee emp) {
emp.setAddress(address);
UserTransaction tx1 = sessionContext.getUserTransaction();
try {
tx1.begin();
em.joinTransaction();
em.merge(emp);
em.getTransaction().setRollbackOnly(); // force rollback of transaction
tx1.commit();
} catch (Exception e) {
throw new RuntimeException("couldn't start tx", e);
} finally {
String obtainedaddress = retrieveOldEmployeeVersionforRollBack(emp.getId());
assertEquals("Red Hat Purkynova Brno", obtainedaddress);
}
}
public String retrieveOldEmployeeVersion(int id) {
AuditReader reader = AuditReaderFactory.get(em);
Employee emp1_rev = reader.find(Employee.class, id, 1);
return emp1_rev.getAddress();
}
public String retrieveOldEmployeeVersionforRollBack(int id) {
AuditReader reader = AuditReaderFactory.get(em);
Employee emp1_rev = reader.find(Employee.class, id, 5);
return emp1_rev.getAddress();
}
}