[OJB-developers] Refresh/update an object

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Is there any method in place for doing this?  Just wondering for jdo, below is what should happen.  

	/** Refresh the state of the instance from the data store.
	 *
	 * <P>In an optimistic transaction, the state of instances in the cache
	 * might not match the state in the data store.  This method is used to
	 * reload the state of the instance from the data store so that a subsequent
	 * commit is more likely to succeed.
	 * <P>Outside a transaction, this method will refresh nontransactional state.
	 * @param pc the instance to refresh.
	 */


Travis