Electronic Commerce Architecture Project
Tutorial Details:
Introduction to UML.
UML stands for Unified Modelling Language. It is a visual technique for diagramming the requirements, actions and physical distribution of software systems. (It might also be used for diagramming manual flows such as paper handling in a court or hardware.)
Use Cases
These represent the types of people (roles) that will be using the software being developed or documented. It also indicates what they will be doing. The labs describe more material.
Association Diagrams
These represent the data or objects in the system and their relationships. For example, a school reigstrar system would show courses and students, and the fact that the software can determine from a student, which courses they are taken. And, given a course, it can generate a list of students. It would show that each course could have several students and each student might be taking several courses.
Component and Deployment Diagrams
Both of these diagrams are specific to the collection of the basic parts of programs (a single file or program) and how they are grouped in modules by linkage editing as well as how the different programs would run on different servers and computers. Needless, to say, these are used by those concerned with the implementation of the software, i.e., computer programmers and software engineers. Component diagrams represent the collection of the individual programs such as pieces of Java or C into object modules and executables. Deployment diagrams show the computers that compose a distributed system, which executables run on which communication, and the communication pathways between them.
Laboratory Procedure
The first part of the lab shows you how to draw UML use cases with the Adobe Pagemaker in the School of Architecture and Planning Computerized Classroom. The second part of the lab shows you how to use GDPRO to do UML use cases. You can download this to your personal computer from GDPRO.com. .LP We also hope to obtain Rational Software's UML product, Rational ROSE. At the time of writing this lab, Rational has failed to send it to us.
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