Re: [aspectj-users] Introducing static member variable - Static Cross cu

["Ramnivas Laddad" <ramnivas@xxxxxxxxxxxxxxx>]

Take a look at pertypewithin() aspect association introduced in AspectJ5.

-Ramnivas

On Nov 8, 2007 3:42 PM, Bhaskar Maddala <maddalab@xxxxxxxxx > wrote:

Hello,

  Is there any way to introduce a static member variable to all
classes in a package.

  Following is a synopsis of what I would like to accomplish.

  Here is the java functionality that I need

  package foo;
  import crazy.Trace;
  class T
  {
      private static final Trace TRACE = new Trace("$$ foo/T Version 2.24");
      T(Object... args)
      {
              TRACE.entering("T(Object... args");
              try
              {
                   ......
                   ......
              }
              finally
              {
                    TRACE.exiting("T(Object... args");
              }
      }

      void dooT(Object... args)
      {
              TRACE.entering("dooT(Object... args");
              try
              {
                   ......
                   ......
              }
              finally
              {
                    TRACE.exiting("dooT(Object... args");
              }
      }
  }
  // similar class P

  Here is how I would like to achieve it using aspects

 class T
  {
      T(Object... args)
      {
            ......
            ......
      }

      void dooT(Object... args)
      {
              ......
              ......
      }
  }

  // similar class P

  package foo;
  aspect L
  {
      pointcut scope() : within(foo..*);
      pointcut methods() : scope() && execution(* *.*(..));

      before() : methods()
      {
         TRACE.entering(thisJoinPointStaticPart.getSignature().toLongString(),
thisJoinPoint.getArgs());
      }

      after() : methods()
      {
          TRACE.exiting(thisJoinPointStaticPart.getSignature ().toLongString());
      }
  }

   The part of this that has been stumped is how would I introduce
the private static final Trace reference in all classes in the
package.

Thanks
Bhaskar
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