| A marker interface to indicate the current state of the system being
modeled. The implemented classes must provide enough information and
actions from this instance to perform all necessary state and transition
validations, and transition actions.
Common implementations create a class that contains all necessary instances
for querying and manipulating the system.
author:
Matt Albrecht groboclown@users.sourceforge.net
version:
$Date: 2003/02/10 22:52:25 $
since:
June 12, 2002 |