public void apply(
ServerTransaction txn,
Map objects,
BackReferences includeIDs,
ObjectInstanceMonitor instanceMonitor) {
final ServerTransactionID stxnID = txn.getServerTransactionID();
final ChannelID channelID = txn.getChannelID();
final TransactionID txnID = txn.getTransactionID();
final List changes = txn.getChanges();
GlobalTransactionID gtxID = txn.getGlobalTransactionID();
boolean active = isActive();
for (Iterator i = changes.iterator(); i.hasNext(); ) {
DNA orgDNA = (DNA) i.next();
long version = orgDNA.getVersion();
if (version == DNA.NULL_VERSION) {
Assert.assertFalse(gtxID.isNull());
version = gtxID.toLong();
}
DNA change = new VersionizedDNAWrapper(orgDNA, version, true);
ManagedObject mo = (ManagedObject) objects.get(change.getObjectID());
mo.apply(change, txnID, includeIDs, instanceMonitor, !active);
if (active && !change.isDelta()) {
// Only New objects reference are added here
stateManager.addReference(txn.getChannelID(), mo.getID());
}
}
Map newRoots = txn.getNewRoots();
if (newRoots.size() > 0) {
for (Iterator i = newRoots.entrySet().iterator(); i.hasNext(); ) {
Entry entry = (Entry) i.next();
String rootName = (String) entry.getKey();
ObjectID newID = (ObjectID) entry.getValue();
objectManager.createRoot(rootName, newID);
}
}
if (active) {
channelStats.notifyTransaction(channelID);
}
transactionRateCounter.increment();
fireTransactionAppliedEvent(stxnID);
}
@Override
public void hydrate(
final ClientObjectManager objectManager, final TCObject tco, final DNA dna, final Object po)
throws IOException, ClassNotFoundException {
final DNACursor cursor = dna.getCursor();
while (cursor.next(this.encoding)) {
final LogicalAction action = cursor.getLogicalAction();
final LogicalOperation method = action.getLogicalOperation();
final Object[] params = action.getParameters();
apply(objectManager, po, method, params);
}
}
private void basicApply(Collection objectChanges, Map newRoots, boolean force)
throws DNAException {
List l = new LinkedList();
for (Iterator i = objectChanges.iterator(); i.hasNext(); ) {
DNA dna = (DNA) i.next();
TCObject tcobj = null;
Assert.assertTrue(dna.isDelta());
try {
// This is a major hack to prevent distributed method calls
// sent to apps that don't have the right classes from dying
// This should be fixed in a better way some day :-)
objectManager.getClassFor(
Namespace.parseClassNameIfNecessary(dna.getTypeName()),
dna.getDefiningLoaderDescription());
tcobj = objectManager.lookup(dna.getObjectID());
} catch (ClassNotFoundException cnfe) {
logger.warn("Could not apply change because class not local:" + dna.getTypeName());
continue;
}
// Important to have a hard reference to the object while we apply
// changes so that it doesn't get gc'd on us
Object obj = tcobj == null ? null : tcobj.getPeerObject();
l.add(obj);
if (obj != null) {
try {
tcobj.hydrate(dna, force);
} catch (ClassNotFoundException cnfe) {
logger.warn("Could not apply change because class not local:" + cnfe.getMessage());
throw new TCClassNotFoundException(cnfe);
}
}
}
for (Iterator i = newRoots.entrySet().iterator(); i.hasNext(); ) {
Entry entry = (Entry) i.next();
String rootName = (String) entry.getKey();
ObjectID newRootID = (ObjectID) entry.getValue();
objectManager.replaceRootIDIfNecessary(rootName, newRootID);
}
}
