Examples of org.exolab.castor.persist.LockEngine.load()

org.exolab.castor.persist.LockEngine.load()

Loads an object of the specified type and identity from persistent storage. In exclusive mode the object is always loaded and a write lock is obtained on the object, preventing concurrent updates. In non-exclusive mode the object is either loaded or obtained from the cache with a read lock. The object's OID is always returned. @param tx The transaction context @param oid The identity of the object to load @param proposedObject The type of the object to load @param suggestedAccessMode The desired access mode @param timeout The timeout waiting to acquire a lock on theobject (specified in seconds) @return The object's OID @throws ObjectNotFoundException The object was not found inpersistent storage @throws LockNotGrantedException Timeout or deadlock occuredattempting to acquire lock on object @throws PersistenceException An error reported by thepersistence engine @throws ClassNotPersistenceCapableException The class is notpersistent capable @throws ObjectDeletedWaitingForLockException The object has been deleted, but is waitingfor a lock.

                proposedObject.setEntity(objectInTx);
            }


            molder.setIdentity(this, objectInTx, identity);
            _tracker.trackObject(molder, oid, objectInTx);
            OID newoid = engine.load(this, oid, proposedObject,
                    suggestedAccessMode, _lockTimeout, results);
                    
            if (proposedObject.isExpanded()) {
                // Remove old OID from ObjectTracker
                _tracker.untrackObject(objectInTx);

                ProposedEntity proposedExpanded = new ProposedEntity(proposedObject);
                proposedExpanded.setEntity(expandedObject);
                proposedExpanded.setObjectLockObjectToBeIgnored(true);


                // reload 'expanded object' using correct ClassMolder
                engine.load(this, actualOID, proposedExpanded,
                        suggestedAccessMode, _lockTimeout, results);


                objectInTx = proposedExpanded.getEntity();
            } else {
                // rehash the object entry, because oid might have changed!

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