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12 lines
453 B
Markdown
12 lines
453 B
Markdown
## Bridge
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Decouple an abstraction from its implementation so that the two can
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vary independently.
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### When to use
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* you want to avoid a permanent binding between an abstraction and its implementation
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* both the abstractions and their implementations should be extensible by subclassing
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* changes in the implementation of an abstraction should have no impact on clients
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* you want to hide the implementation of an abstraction completely from clients
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