Metacat

	// package level method reporting if service is refreshable.  Basically,

	// we only want ServiceService calling this.

	abstract boolean refreshable();

	// subclass must define doRefresh.  It is only called from the refresh() method.

	protected abstract void doRefresh() throws ServiceException;

	// package level method to refresh service.  We only want ServiceService 

	// calling this.

	void refresh() throws ServiceException{

//	abstract void stop() throws ServiceException;