Chapter 4. Advising beans

This chapter covers

  • Basics of aspect-oriented programming

  • Creating aspects from POJOs

  • Automatically proxying beans

  • Using @AspectJ annotations

  • Injecting dependencies into AspectJ aspects

As I’m writing this chapter, Texas (where I reside) is going through several days of record-high temperatures. It’s really hot. In weather like this, air-conditioning is a must. But the downside of air-conditioning is that it uses electricity and electricity costs money. And there’s very little we can do to avoid paying for a cool and comfortable home. That’s because every home has a meter that measures every single kilowatt, and once a month someone comes by to read that meter so that the electric company accurately knows how much to bill us. ...

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