Proxy pattern: Difference between revisions

Revision as of 13:57, 5 November 2020

Revision as of 16:31, 18 November 2020

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* implements additional functionality to control the access to this subject.

This enablesmakes it possible to work through a <code>Proxy</code> object to perform additional functionality when accessing a subject. For example, to check the access rights of clients accessing a sensitive object.

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To act as substitute for a subject, a proxy must implement the <code>Subject</code> interface.

Clients can't tell whether they work with a subject or its proxy.