CODEWITHSUNDEEP
statediagramdataflow-diagram
MrBoJangles
MrBoJangles

Reputation: 12247

What are good ways to design or diagram state?

The issue that prompted me to ask this is a web form that was not persisting data the way I expected it to. That's vague, but the point is, what do you like to do to model state, flow of data, and so forth?

Upvotes: 1

Views: 734

Answers (6)

toolkit
toolkit

Reputation: 50287

The UML has 2 diagrams that may be useful

State diagrams for modelling state.

Activity diagrams for modelling data flow.

Upvotes: 2

Tim
Tim

Reputation: 20360

I think the typical models work fine:

for example - state diagrams

http://en.wikipedia.org/wiki/State_diagram

I second the whiteboard use. They are second to none in working on state, flow, etc.

Upvotes: 1

Michael L Perry
Michael L Perry

Reputation: 7437

Graphviz is a great tool for diagramming state machines (once you've worked them out on the whiteboard).

Upvotes: 1

Bill K
Bill K

Reputation: 62789

Whiteboard as well, but be familiar with the UML diagrams. I've had a lot of luck with sequence diagrams--they do a good job of describing the interactions between parts of a system.

I've seen people use state diagrams, but they don't contain as much detailed information--sequence diagrams impressed the hell out of me when I first saw them.

Upvotes: 2

warren
warren

Reputation: 33463

I'll second the whiteboard answer and add that explaining what is supposed to be happening, following by verbalizing what the the code is actually doing, along with a basic graphic is hugely helpful for any project.

Upvotes: 2

MrBoJangles
MrBoJangles

Reputation: 12247

I'll put my obvious (to me) answer, which is to use the whiteboard. Love the whiteboard.

Upvotes: 1

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