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Episode 8. What's your Aspect?
In this episode we go over Aspects (and AspectJ), what really is, and when to use them. It turns out, that there is nothing misterious about them! We also cover how to set-up Aspects for J2SE so you can start using them immediately!
Questions, feedback or comments! [email protected]
VM Parameter -javaagent:dep/aspectjweaver.jar
Example Aspect
@Aspectpublic class OrderAspect { @Before("execution(* *.*(Order))") // must qualify public void anyCall() { System.out.println("Was called from anywhere"); }}
Example aop.xml file
Example Folder Structure
src | |-META-INF | |-aop.xml
References:
http://www.eclipse.org/aspectj/doc/released/adk15notebook/ataspectj-pcadvice.html
http://www.eclipse.org/aspectj/doc/next/quick5.pdf
http://blog.espenberntsen.net/2010/03/20/aspectj-cheat-sheet/
(Using aspects with annotations) http://stackoverflow.com/questions/2011089/aspectj-pointcut-for-all-methods-of-a-class-with-specific-annotation
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By Freddy Guime & Bob Paulin
4.8
4646 ratings
In this episode we go over Aspects (and AspectJ), what really is, and when to use them. It turns out, that there is nothing misterious about them! We also cover how to set-up Aspects for J2SE so you can start using them immediately!
Questions, feedback or comments! [email protected]
VM Parameter -javaagent:dep/aspectjweaver.jar
Example Aspect
@Aspectpublic class OrderAspect { @Before("execution(* *.*(Order))") // must qualify public void anyCall() { System.out.println("Was called from anywhere"); }}
Example aop.xml file
Example Folder Structure
src | |-META-INF | |-aop.xml
References:
http://www.eclipse.org/aspectj/doc/released/adk15notebook/ataspectj-pcadvice.html
http://www.eclipse.org/aspectj/doc/next/quick5.pdf
http://blog.espenberntsen.net/2010/03/20/aspectj-cheat-sheet/
(Using aspects with annotations) http://stackoverflow.com/questions/2011089/aspectj-pointcut-for-all-methods-of-a-class-with-specific-annotation