August 1999
Intermediate to advanced
224 pages
4h 25m
English
book
UML Distilled: A Brief Guide to the Standard Object Modeling Language, Second Edition
by Martin Fowler, Kendall Scott
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Swimlanes
Activity diagrams tell you what happens, but they do not tell you who does what. In programming, this means that the diagram does not convey which class is responsible for each activity.
In domain modeling, this means that the diagram does not convey which people or departments are responsible for each activity. One way around this is to label each activity with the responsible class or human. This works, but does not offer the same clarity as interaction diagrams (see Chapter 5) for showing communication among objects.
Swimlanes are a way around this.
To use swimlanes, you must arrange your activity diagrams into vertical zones separated by lines. Each zone represents the responsibilities of a particular class or, in the case of
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.