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Proxy pattern
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===What problems can the Proxy design pattern solve?=== Source:<ref>{{cite web|title=The Proxy design pattern - Problem, Solution, and Applicability|url=http://w3sdesign.com/?gr=s07&ugr=proble|website=w3sDesign.com|access-date=2017-08-12}}</ref> * The access to an object should be controlled. * Additional functionality should be provided when accessing an object. When accessing sensitive objects, for example, it should be possible to check that clients have the needed access rights.
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