June 2018
Intermediate to advanced
280 pages
7h 46m
English
Content preview from Design Patterns and Best Practices in Java
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Implementation
The following diagram models the proxy pattern. Notice that since both the real and the proxy subjects implement the same interface, they can be interchangeable:
We can distinguish between the following actors in the implementation diagram:
- Subject: The existing interface used by the client
- RealSubject: The real object's class
- ProxySubject: The proxy class
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