@Test
public void delayedUpdate() throws Exception {
View ix = openIndex("foo");
byte[] key = "hello".getBytes();
byte[] value1 = "world".getBytes();
ix.store(null, key, value1);
int i = 0;
Updater u = start(ix, key, ("world-" + (i++)).getBytes());
fastAssertArrayEquals(u.mValue, ix.load(null, key));
u = start(ix, key, ("world-" + (i++)).getBytes());
Transaction txn2 = mDb.newTransaction();
fastAssertArrayEquals(u.mValue, ix.load(txn2, key));
txn2.reset();
u = start(ix, key, ("world-" + (i++)).getBytes());
txn2.lockMode(LockMode.UPGRADABLE_READ);
fastAssertArrayEquals(u.mValue, ix.load(txn2, key));
txn2.reset();
u = start(ix, key, ("world-" + (i++)).getBytes());
txn2.lockMode(LockMode.REPEATABLE_READ);
fastAssertArrayEquals(u.mValue, ix.load(txn2, key));
txn2.reset();
u = start(ix, key, ("world-" + (i++)).getBytes());
txn2.lockMode(LockMode.READ_COMMITTED);
fastAssertArrayEquals(u.mValue, ix.load(txn2, key));
txn2.reset();
}
private void delayedDelete(boolean noGhost) throws Exception {
View ix = openIndex("foo");
byte[] key = "hello".getBytes();
byte[] value1 = "world".getBytes();
ix.store(null, key, value1);
Updater u = start(ix, key, null, noGhost);
assertEquals(null, ix.load(null, key));
ix.store(null, key, value1);
u = start(ix, key, null, noGhost);
Transaction txn2 = mDb.newTransaction();
assertEquals(null, ix.load(txn2, key));
txn2.reset();
ix.store(null, key, value1);
u = start(ix, key, null, noGhost);
txn2.lockMode(LockMode.UPGRADABLE_READ);
assertEquals(null, ix.load(txn2, key));
txn2.reset();
ix.store(null, key, value1);
u = start(ix, key, null, noGhost);
txn2.lockMode(LockMode.REPEATABLE_READ);
assertEquals(null, ix.load(txn2, key));
txn2.reset();
ix.store(null, key, value1);
u = start(ix, key, null, noGhost);
txn2.lockMode(LockMode.READ_COMMITTED);
assertEquals(null, ix.load(txn2, key));
txn2.reset();
}
