Chapter 1. Introducing AOP

This chapter covers

  • A brief history of AOP
  • What problems AOP was created to solve
  • Writing a very simple aspect using PostSharp

In this first chapter, I’ll start in an obvious place—introducing you to aspect-oriented programming (AOP), where it came from, and what problems it’ll help you solve.

We’ll look at several tools as you progress through this book, but I will focus on PostSharp and Castle DynamicProxy. These aren’t the only tools available to .NET developers, but they’re popular ones that have stood the test of time. The concepts and code you use in this book should still be applicable if you use a different tool (see appendix A for notes on the ecosystem of AOP tools in .NET).

We’ll use PostSharp in ...

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