@Before
public void setUp() {
jdbcTemplate = new JdbcTemplate(dataSource);
// Create an agent for testing
EntityManager entityManager = emf.createEntityManager();
EntityTransaction tx = entityManager.getTransaction();
tx.begin();
Agent agent = new Agent("An agent");
entityManager.persist(agent);
agentId = agent.getId();
tx.commit();
entityManager.close();
}
@Test
public void singleEntity() {
EntityManager entityManager = emf.createEntityManager();
EntityTransaction tx = entityManager.getTransaction();
tx.begin();
printAgent("at start");
Agent agent = (Agent) entityManager.find(Agent.class, agentId);
agent.setDescription("A");
printAgent("after setting A");
agent.setDescription("B");
printAgent("after setting B");
tx.commit();
printAgent("after commit");
entityManager.close();
}