Cover by Craig Walls

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Chapter 4. Aspect-oriented Spring

 

This chapter covers
  • Basics of aspect-oriented programming
  • Creating aspects from POJOs
  • 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 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. There’s little we can do to avoid paying for a cool and comfortable home. That’s because every home has a meter that measures every kilowatt, and once a month someone comes by to read that meter so that the electric company accurately knows how much to bill us.

Now imagine what would happen ...

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