Transcript poosd-F.ppt
Principles of Object-Oriented Software Development Unified Modeling Language Unified Modeling Language Introduction Class diagrams Use cases Interaction diagrams Package and deployment diagrams State and activity diagrams Discussion The Unified Modeling Language (UML) resulted from a joint effort of leading experts in object-oriented analysis and design, Grady Booch, Jim Rumbaugh and Ivar Jacobson, also known as the three amigos, all currently employees of Rational. Unified Modeling Language UML • • • • class diagrams -- conceptual structure use cases -- functional requirements interaction diagrams -- operational characteristics package and deployment diagrams -implementation • state and activity diagrams -- dynamic behavior See http://www.rational.com/uml and UML Distilled, [Fowler97]. Class diagrams Use cases Interaction diagrams Package and component diagrams State and activity diagrams event(arguments)[conditions]/action Discussion The UML toolbox is very rich. It allows you to model every conceivable aspect of the system. Nevertheless, to my mind, graphical models are not always appropriate. But, on the other hand, most people like them and they often make a good impression, suggesting clarity ...