Capturing an application's temporal properties with UML for Real-Time

The Unified Modeling Language (UML) is commonly used in the development of non-real-time systems and is gaining popularity in the object-oriented real-time community as well. Recently, Rational Software Corporation teamed with ObjecTime, Ltd to develop UML for Real-Time (UML-RT). UML-RT uses the extensibility mechanisms of UML to incorporate concepts from ROOM (Real-time Object-Oriented Modeling Language) and role modeling from ObjecTime. We present a novel method for capturing the temporal parameters of a real-time application in a UML-RT model so that schedulability analysis can be performed.