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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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package org.apache.openjpa.persistence.jdbc.update;
import java.sql.Timestamp;
import java.util.Date;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.Query;
import org.apache.openjpa.persistence.test.SingleEMFTestCase;
/**
* Tests for update on entity that uses a Timestamp as version.
*
* @see <A HREF="https://issues.apache.org/jira/browse/OPENJPA-1583">OPENJPA-1583</A>
*
* @author Pinaki Poddar
*
*/
public class TestTimestampVersion extends SingleEMFTestCase {
public void setUp() {
super.setUp(CLEAR_TABLES, TimestampedEntity.class, NumericVersionedEntity.class, BaseTimestampedEntity.class);
}
public void testQueryOnVersion() {
EntityManager em = emf.createEntityManager();
String pql = "SELECT s FROM TimestampedEntity s WHERE s.version < :endDate";
Query queryObj = em.createQuery(pql);
Timestamp t1 = new Timestamp((new Date()).getTime());
queryObj.setParameter("endDate", t1);
List<TimestampedEntity> scenarioList = queryObj.getResultList();
}
public void testBulkUpdateOnTimestampedVersion() {
TimestampedEntity pc = new TimestampedEntity();
pc.setName("Original");
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
em.persist(pc);
em.getTransaction().commit();
try {
// delay to ensure the new timestamp exceeds the timer's resolution.
Thread.sleep(1500);
} catch (InterruptedException e) {
}
em.getTransaction().begin();
Timestamp oldVersion = pc.getVersion();
String jpql = "UPDATE TimestampedEntity t SET t.name=:newname WHERE t.name=:oldname";
em.createQuery(jpql)
.setParameter("newname", "Updated")
.setParameter("oldname", "Original")
.executeUpdate();
em.getTransaction().commit();
em.getTransaction().begin();
em.refresh(pc);
Timestamp newVersion = pc.getVersion();
assertTrue("Expected newVersion=" + newVersion.toString() + " to be after oldVersion=" + oldVersion.toString(),
newVersion.after(oldVersion));
}
public void testBulkUpdateOnNumericVersion() {
NumericVersionedEntity pc = new NumericVersionedEntity();
pc.setName("Original");
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
em.persist(pc);
em.getTransaction().commit();
em.getTransaction().begin();
int oldVersion = pc.getVersion();
String jpql = "UPDATE NumericVersionedEntity t SET t.name=:newname WHERE t.name=:oldname";
em.createQuery(jpql)
.setParameter("newname", "Updated")
.setParameter("oldname", "Original")
.executeUpdate();
em.getTransaction().commit();
em.getTransaction().begin();
em.refresh(pc);
int newVersion = pc.getVersion();
assertEquals(newVersion, oldVersion+1);
}
}