What are some examples of the mediator pattern in software design?

What are some examples of the mediator pattern in software design?

The mediator pattern is a behavioral design pattern that allows objects to communicate with each other indirectly through a mediator. Examples include chat applications, where a chat room acts as a mediator between users.

Can you explain how it works in a chat application?

Sure! In a chat application, the mediator (chat room) handles the communication between users. Instead of users sending messages directly to each other, they send messages to the mediator, which then forwards them to the intended recipient.

What are the benefits of using the mediator pattern?

The mediator pattern reduces the complexity of communication between objects, promotes loose coupling, and makes the system easier to maintain and extend.

Are there any drawbacks to using this pattern?

Yes, one drawback is that the mediator can become a bottleneck if it handles too many interactions. It can also lead to a more complex mediator if not designed carefully.