"I have a mind like a steel... uh... thingy." Patrick Logan's weblog.

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Tuesday, June 06, 2006

Structure and Process in Patterns

Ralph Johnson delivers more goods...

A lot of people seem to follow the errors of Design Patterns and focus on structure to the exclusion of process. A pattern description should tell the reader how to create the pattern in a system where it doesn't exist, and many pattern descriptions do not.

One of the things that helps me think about process is to imagine a system without the pattern. What would I do to use the pattern in the system? What alternatives are there to the pattern?

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About Me

Portland, Oregon, United States
I'm usually writing from my favorite location on the planet, the pacific northwest of the u.s. I write for myself only and unless otherwise specified my posts here should not be taken as representing an official position of my employer. Contact me at my gee mail account, username patrickdlogan.