@Test(expected = se.spagettikod.optimist.ModifiedByAnotherUserException.class)
public void modifiedByAnotherUser() {
SqlSession firstSession = MyBatisTestUtil.getSession();
Entity entity = new Entity();
entity.setValue("firstEdit");
EntityMapper firstMapper = firstSession.getMapper(EntityMapper.class);
firstMapper.insertEntity(entity);
firstSession.commit();
Assert.assertEquals(new Integer(0), entity.getVersion());
// Load same entity in second session
SqlSession secondSession = MyBatisTestUtil.getSession();
Entity secondEntity = new Entity();
Long identity = entity.getId();
EntityMapper secondMapper = secondSession.getMapper(EntityMapper.class);
secondEntity = secondMapper.getById(identity);
Assert.assertEquals(new Integer(0), secondEntity.getVersion());
// Modify entity in first session
entity = firstMapper.getById(entity.getId());
entity.setValue("secondEdit");
firstMapper.updateEntity(entity);
firstSession.commit();
firstSession.close();
Assert.assertEquals(new Integer(1), entity.getVersion());
secondEntity.setValue("thirdEdit");
try {
secondMapper.updateEntity(secondEntity);
} catch (PersistenceException e) {
if (e.getCause() instanceof ModifiedByAnotherUserException) {
throw (ModifiedByAnotherUserException) e.getCause();
} else {
throw e;
}
} finally {
if (secondSession != null) {
secondSession.close();
}
}
}
@Test
public void updateEntity() {
Entity entity = new Entity();
entity.setValue("testing");
SqlSession session = MyBatisTestUtil.getSession();
EntityMapper mapper = session.getMapper(EntityMapper.class);
try {
mapper.insertEntity(entity);
session.commit();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (session != null) {
session.close();
}
}
Assert.assertEquals(new Integer(0), entity.getVersion());
Long identity = entity.getId();
session = MyBatisTestUtil.getSession();
mapper = session.getMapper(EntityMapper.class);
entity = mapper.getById(identity);
entity.setValue("tjoho");
try {
mapper.updateEntity(entity);
session.commit();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (session != null) {
session.close();
}
}
Assert.assertEquals("tjoho", entity.getValue());
Assert.assertEquals(new Integer(1), entity.getVersion());
}