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

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

Acquire a write lock on the object. A write lock assures that the object exists and can be stored/deleted when the transaction commits. It prevents any concurrent updates to the object from this point on. However, it does not guarantee that the object has not been modified in the course of the transaction. For that the object must be loaded with exclusive access. @param tx The transaction context @param oid The object's OID @param timeout The timeout waiting to acquire a lock on theobject (specified in seconds) @throws LockNotGrantedException Timeout or deadlock occuredattempting to acquire lock on object @throws ObjectDeletedException The object has been deleted frompersistent storage @throws PersistenceException An error reported by thepersistence engine

                    "persist.objectDeleted", object.getClass(), oid.getIdentity()));
        }


        try {


            engine.writeLock(this, oid, timeout);
        } catch (ObjectDeletedException except) {
            // Object has been deleted outside this transaction,
            // forget about it
            _tracker.untrackObject(object);
            throw new ObjectNotPersistentException(Messages.format(

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