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By bloid
via blogs.pathf.com
Published: Mar 03 2008 / 08:15

Anti-patterns in Code: Ubiquitous HashMap
This is something I consider an anti-pattern for parameter passing which describes both a specific data structure as well as the mechanisms surrounding its (ab)use. It involves a way of modeling information where the semantics of the data may be dependent on disparate parts of the system. There are other names I have given this pattern in the past, such as Great Big Bucket In The Sky, or Passing Parameters Under The Table, or Stuff In The Context Of Everything, or just Big Giant HashMap You get the idea. I will describe a specific case, and then describe why I feel this approach is problematic.
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