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Go Design Patterns

You're reading from   Go Design Patterns Best practices in software development and CSP

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Product type Paperback
Published in Feb 2017
Publisher Packt
ISBN-13 9781786466204
Length 402 pages
Edition 1st Edition
Languages
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Author (1):
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Mario Castro Contreras Mario Castro Contreras
Author Profile Icon Mario Castro Contreras
Mario Castro Contreras
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Table of Contents (11) Chapters Close

Preface 1. Ready... Steady... Go! FREE CHAPTER 2. Creational Patterns - Singleton, Builder, Factory, Prototype, and Abstract Factory Design Patterns 3. Structural Patterns - Composite, Adapter, and Bridge Design Patterns 4. Structural Patterns - Proxy, Facade, Decorator, and Flyweight Design Patterns 5. Behavioral Patterns - Strategy, Chain of Responsibility, and Command Design Patterns 6. Behavioral Patterns - Template, Memento, and Interpreter Design Patterns 7. Behavioral Patterns - Visitor, State, Mediator, and Observer Design Patterns 8. Introduction to Gos Concurrency 9. Concurrency Patterns - Barrier, Future, and Pipeline Design Patterns 10. Concurrency Patterns - Workers Pool and Publish/Subscriber Design Patterns

Mediator design pattern


Let's continue with the Mediator pattern. As its name implies, it's a pattern that will be in between two types to exchange information. But, why will we want this behavior at all? Let's look at this in detail.

Description

One of the key objectives of any design pattern is to avoid tight coupling between objects. This can be done in many ways, as we have seen already.

But one particularly effective method when the application grows a lot is the Mediator pattern. The Mediator pattern is the perfect example of a pattern that is commonly used by every programmer without thinking very much about it.

Mediator pattern will act as the type in charge of exchanging communication between two objects. This way, the communicating objects don't need to know each other and can change more freely. The pattern that maintains which objects give what information is the Mediator.

Objectives

As previously described, the main objectives of the Mediator pattern are about loose coupling and encapsulation...

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