@Test
public void testPuts() {
EntityManagerSimpleJPA em = (EntityManagerSimpleJPA) factory.createEntityManager();
MyTestObject object = new MyTestObject();
object.setName("Scooby doo");
object.setAge(100);
Date now = new Date();
object.setBirthday(now);
em.persist(object);
System.out.println(em.getTotalOpStats());
Assert.assertEquals(1, em.getTotalOpStats().getPuts());
object.setId(null);
em.persist(object);
Assert.assertEquals(2, em.getTotalOpStats().getPuts());
em.close();
// New EntityManager and same op
em = (EntityManagerSimpleJPA) factory.createEntityManager();
object = new MyTestObject();
object.setName("Scooby doo");
object.setAge(100);
object.setBirthday(now);
em.persist(object);
System.out.println(em.getTotalOpStats());
Assert.assertEquals(1, em.getTotalOpStats().getPuts());
Assert.assertEquals(3, em.getGlobalOpStats().getPuts());
em.close();
}
@Test
public void testLazyListRetrievalPerformance() throws InterruptedException, ExecutionException {
EntityManagerSimpleJPA em = (EntityManagerSimpleJPA) factory.createEntityManager();
Query query;
List<MyTestObject> obs;
long start = System.currentTimeMillis();
int numItems = 120;
Future future = null;
for (int i = 0; i < numItems; i++) {
MyTestObject object = new MyTestObject();
object.setName("Scooby doo");
object.setAge(i);
System.out.println("persisting " + i);
future = em.persistAsync(object);
}
// let them save
System.out.println("Waiting for all persists to complete.");
future.get();
long duration = System.currentTimeMillis() - start;
printAndLog("duration of persists=" + duration);
start = System.currentTimeMillis();
System.out.println("querying for all objects...");
query = em.createQuery("select o from MyTestObject o ");
obs = query.getResultList();
for (MyTestObject ob : obs) {
System.out.println("ob=" + ob);
}
duration = System.currentTimeMillis() - start;
printAndLog("duration of retreival and prints=" + duration);
start = System.currentTimeMillis();
System.out.println("querying for all objects...");
query = em.createQuery("select o from MyTestObject o ");
obs = query.getResultList();
for (MyTestObject ob : obs) {
System.out.println("ob=" + ob);
}
duration = System.currentTimeMillis() - start;
printAndLog("duration of retreival and prints after first load=" + duration);
em.close();
}