@Override
public void commit() {
if (!fullTx) throw new UnsupportedOperationException("read-only");
commitLock.writeLock().lock();
try {
if (closed) return;
if (uncommitedData) throw new IllegalAccessError("uncomitted data");
txs.remove(ref);
cleanTxQueue();
if (pojo.hasUnsavedChanges()) pojo.save(this);
// check no other TX has modified our data
LongMap.LongMapIterator oldIter = old.longMapIterator();
while (oldIter.moveToNext()) {
long recid = oldIter.key();
for (Reference<Tx> ref2 : txs) {
Tx tx = ref2.get();
if (tx == this || tx == null) continue;
if (tx.mod.containsKey(recid)) {
close();
throw new TxRollbackException();
}
}
}
LongMap.LongMapIterator<Fun.Tuple2> iter = mod.longMapIterator();
while (iter.moveToNext()) {
long recid = iter.key();
if (old.containsKey(recid)) {
close();
throw new TxRollbackException();
}
}
iter = mod.longMapIterator();
while (iter.moveToNext()) {
long recid = iter.key();
Fun.Tuple2 val = iter.value();
Serializer ser = (Serializer) val.b;
Object old = superGet(recid, ser);
if (old == null) old = TOMBSTONE;
for (Reference<Tx> txr : txs) {
Tx tx = txr.get();
if (tx == null || tx == this) continue;
tx.old.putIfAbsent(recid, old);
}
if (val.a == TOMBSTONE) {
superDelete(recid, ser);
} else {
superUpdate(recid, val.a, ser);
}
}
// there are no conflicts, so update the POJO in parent
// TODO sort of hack, is it thread safe?
getWrappedEngine().getSerializerPojo().registered = pojo.registered;
superCommit();
close();
} finally {
commitLock.writeLock().unlock();
}
}
