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OpenACS – The Toolkit for Online Communities
:
S5 XOTcl Tutorial
: Mixin Classes
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Mixin Classes
XOTcl supports in addition to classical class hierarchies Mixin classes to implement orthogonal aspects
Per-Object Mixins: to modify the behavior of a single object
Per-Class Mixins: to modify the behavior of all instances of a class
Typical examples: loggers, persistence, renderers, ....