/** test batch loading. */
@SuppressWarnings("unchecked")
@Test
public void testBatchLoading2() {
System.out.println("Batch-test 2");
PersistenceManager pm = null;
Object oid = null;
try {
pm = TestTools.openPM();
pm.currentTransaction().begin();
DBArrayList<Object> dbv = new DBArrayList<Object>();
for (int i = 0; i < 120; i++) {
dbv.add(new PersistentDummyImpl());
}
pm.makePersistent(dbv);
oid = pm.getObjectId(dbv);
pm.currentTransaction().commit();
pm.close();
pm = null;
pm = TestTools.openPM();
pm.currentTransaction().begin();
dbv = (DBArrayList<Object>) pm.getObjectById(oid);
dbv.setBatchSize(110);
for (Object o : dbv) {
o.getClass();
}
pm.currentTransaction().commit();
} finally {
if (pm != null) {
pm.close();
}
}
}
/** test batch loading. */
@SuppressWarnings("unchecked")
@Test
public void testBatchLoading() {
System.out.println("Batch-test");
PersistenceManager pm = null;
Object oid = null;
pm = TestTools.openPM();
pm.currentTransaction().begin();
DBArrayList<Object> dbv = new DBArrayList<Object>();
dbv.add("TestString");
for (int i = 0; i < 100; i++) {
dbv.add(new PersistentDummyImpl());
}
dbv.add("TestString2");
pm.makePersistent(dbv);
oid = pm.getObjectId(dbv);
pm.currentTransaction().commit();
pm.close();
pm = null;
pm = TestTools.openPM();
pm.currentTransaction().begin();
dbv = (DBArrayList<Object>) pm.getObjectById(oid);
long t1 = System.currentTimeMillis();
for (Object o : dbv) {
o.hashCode();
}
long t2 = System.currentTimeMillis();
System.out.println("NORMAL: " + (t2 - t1));
pm.currentTransaction().commit();
pm.close();
pm = null;
pm = TestTools.openPM();
pm.currentTransaction().begin();
dbv = (DBArrayList<Object>) pm.getObjectById(oid);
t1 = System.currentTimeMillis();
dbv.setBatchSize(1000);
for (Object o : dbv) {
o.hashCode();
}
t2 = System.currentTimeMillis();
System.out.println("BATCHED: " + (t2 - t1));
pm.currentTransaction().commit();
pm.close();
pm = null;
// Close the store and load the stuff
pm = TestTools.openPM();
pm.currentTransaction().begin();
dbv = (DBArrayList<Object>) pm.getObjectById(oid);
t1 = System.currentTimeMillis();
dbv.setBatchSize(1);
for (Object o : dbv) {
o.hashCode();
}
t2 = System.currentTimeMillis();
System.out.println("NORMAL: " + (t2 - t1));
pm.currentTransaction().commit();
pm.close();
pm = null;
// Close the store and load the stuff
pm = TestTools.openPM();
pm.currentTransaction().begin();
dbv = (DBArrayList<Object>) pm.getObjectById(oid);
t1 = System.currentTimeMillis();
dbv.setBatchSize(0);
for (Object o : dbv) {
o.hashCode();
}
t2 = System.currentTimeMillis();
System.out.println("BATCHED: " + (t2 - t1));
pm.currentTransaction().commit();
pm.close();
pm = null;
// Close the store, load the stuff and test with transient object
pm = TestTools.openPM();
pm.currentTransaction().begin();
dbv = (DBArrayList<Object>) pm.getObjectById(oid);
PersistentDummyImpl dummyTrans = new PersistentDummyImpl();
dbv.add(13, dummyTrans);
t1 = System.currentTimeMillis();
dbv.setBatchSize(0);
for (Object o : dbv) {
o.hashCode();
}
t2 = System.currentTimeMillis();
assertEquals(dummyTrans, dbv.get(13));
System.out.println("BATCHED: " + (t2 - t1));
pm.currentTransaction().commit();
pm.close();
pm = null;
// Close the store, load the stuff and test with modified object
pm = TestTools.openPM();
pm.currentTransaction().begin();
dbv = (DBArrayList<Object>) pm.getObjectById(oid);
((PersistentDummyImpl) dbv.get(18)).setData(new byte[] {15});
t1 = System.currentTimeMillis();
dbv.setBatchSize(0);
for (Object o : dbv) {
o.hashCode();
}
t2 = System.currentTimeMillis();
assertEquals(15, ((PersistentDummyImpl) dbv.get(18)).getData()[0]);
System.out.println("BATCHED but dirty: " + (t2 - t1));
pm.currentTransaction().rollback();
TestTools.closePM();
// TODO use setBatch() also for all other tests to verify batch loading!
// Or call these tests here again, outside the store.!
}