History
AOP has several direct antecedents: reflection and metaobject protocols, subject-oriented programming, Composition Filters and Adaptive Programming.
Gregor Kiczales and colleagues at Xerox PARC developed the explicit concept of AOP, and followed this with the AspectJ AOP extension to Java. IBM's research team pursued a tool approach over a language design approach and in 2001 proposed Hyper/J and the Concern Manipulation Environment, which have not seen wide usage. EmacsLisp changelog added AOP related code in version 19.28. The examples in this article use AspectJ as it is the most widely known AOP language.
The Microsoft Transaction Server is considered to be the first major application of AOP followed by Enterprise JavaBean.
Read more about this topic: Aspect-oriented Programming
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