public void trackObject(final ClassMolder molder, final OID oid, final Object object) {
_operation++;
Object aObject = supportCGLibObject(object);
setMolderForObject(aObject, molder);
setOIDForObject(aObject, molder.getLockEngine(), oid);
_readWriteSet.add(aObject);
}
/**
* "Transform" an object provided as a LazyCGLib into a 'natural' object within the transaction,
* undecorated. This allows us to find the true object associated with a decorated object in the
* transaction.
*
* <p>We do this by asking the decorated object for enough information to re-generate its proper
* OID; we then go looking for that OID in the system to find the object in the transaction.
*
* @param object
* @return
*/
private Object supportCGLibObject(final Object object) {
if (object instanceof LazyCGLIB) {
LazyCGLIB cgObject = (LazyCGLIB) object;
// TODO [WG] We still might have an option for some serious optimization
// here if the instance has not been materialized yet.
Identity identity = cgObject.interceptedIdentity();
ClassMolder molder = cgObject.interceptedClassMolder();
LockEngine engine = molder.getLockEngine();
// Get the OID we're looking for.
OID oid = new OID(molder, identity);
// Retrieve the object for this OID; returns null if there ain't such object
return getObjectForOID(engine, oid, true);
}
return object;
}
public int compare(final Object object1, final Object object2) {
Map.Entry entry1 = (Map.Entry) object1;
Map.Entry entry2 = (Map.Entry) object2;
long oper1 = ((Long) entry1.getValue()).longValue();
long oper2 = ((Long) entry2.getValue()).longValue();
ClassMolder molder1 = _tracker.getMolderForObject(entry1.getKey());
ClassMolder molder2 = _tracker.getMolderForObject(entry2.getKey());
if (molder1 == null || molder2 == null) {
if (oper1 > oper2) {
return 1;
} else if (oper1 < oper2) {
return -1;
} else {
return 0;
}
}
int pri1 = molder1.getPriority();
int pri2 = molder2.getPriority();
if (pri1 == pri2) {
if (oper1 > oper2) {
return 1;
}
if (oper1 < oper2) {
return -1;
}
return 0;
}
if (_reverseOrder) {
return (pri1 < pri2) ? 1 : -1;
}
return (pri1 < pri2) ? -1 : 1;
}