| Façade (3) |
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| • | Consequences |
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| – | Façade reduces
the number of objects that clients |
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| deal with to
make the subsystem easier to use |
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| – | Promotes weak
coupling between subsystem and |
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| clients. This allows you to change subsystem |
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| implementation
without affecting clients |
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| – | Allows clients
to use subsystem classes if they need |
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| to |
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| – | Subsystem
components are not aware of façade |
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