Software Design - The Proxy Pattern

Develpreneur: Become a Better Developer and Entrepreneur · Dec 5, 2018 · 12m

We continue a look at the structural patterns with a look at the proxy. This is much like the flyweight we reviewed in the last episode. However, it has a different focus. The flyweight can be used to implement a form of proxy but is a solution to a large number of instances where this is a different goal.

The Proxy Pattern Defined

As always, we will start with the "Gang of Four" intent to set the stage for our discussion.

"Provide a surrogate or placeholder for another object to control access to it."

That, once again, provides a short and simple description of our pattern. The proxy saves…