[jboss-user] [JBoss AOP] - Re: ConstructorInvocation and ConstructionInvocation?

[kabir.khan@jboss.com]

Yes, the difference is in the weaving


  | excecution(org.blah.Blah->new(int))
  | 
becomes a ConstructorInvocation


  | excecution(org.blah.Blah->new(boolean))
  | 
becomes a ConstructionInvocation

Once we weave

  | class Blah{
  |    Blah(int i){
  |      //Normal code
  |    }
  | 
  |    Blah(boolean b){
  |      //Normal code
  |    }
  | }
  | 


  | class Blah{
  |    
  |    static Blah_new(int i){
  |       //Hooks for AOP creating a ConstructorInvocation, eventually calling new Blah(i)
  |    }
  | 
  |    Blah(int i){
  |      //Normal code
  |    }
  | 
  |    Blah(boolean b){
  |      //Normal code
  |      
  |      //Hooks for AOP with a ConstructionInvocation
  |    }
  | }
  | 


For ConstructorInvocation to work we need to make sure that everyone who calls new Blah(int), calls Blah.Blah_new(int) instead. So ConstructionInvocation can be more efficient, but is triggered at a slightly different time.


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