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better class diagram for chain of responsibility pattern

7 років тому • оновлено 7 років тому • 3

hi everybody

i think the following class diagram would be a better representation of Chain of Responsibility pattern.

Голос

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Hi! Why do you think it's better?

You should replace:

    nextHandler.handle();

    if (isDefined(nextHandler))
        nextHandler.handle();

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I'm closing this for now, because it seems that current illustration does contain simple "isDefined" and "canHandle" checks: