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16 lines
757 B
Markdown
16 lines
757 B
Markdown
## Adapter
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Convert the interface of a class into another interface the clients expect.
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Adapter lets classes work together that couldn't otherwise because of
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incompatible interfaces, ie. allows to use a client with an incompatible
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interface by an Adapter that does the conversion. Adapter has structural purpose
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and can be applied on classes and also on object. A class adapter uses multiple
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inheritance to adapt one interface to another and the object adapter uses object
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composition to combine classes with different interfaces.
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### When to use
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* you want to use an existing class, and its interface does not match the one you need
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* you want to create a reusable class that cooperates with classes that don't necessarily have compatible interfaces
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