Examples of Crosscut

ch.ethz.prose.crosscut.Crosscut
User perspective
If you want to use crosscuts, than you have to understand two things:
- how to write advices
- how to use point-cutters.
Read the documentation for MethodCut, GetCut etc to understand these issues.
Developer perspective
Class Crosscut defines an object which can create CrosscutRequests. A crosscut request defines a crosscut as a set of join point requests together with actions to be performed when the events corresponding to the crosscut it defines are triggered.
A crosscut is also a JointPointListener. According to the contract provided by JoinPointManager an crosscut expects to be notified only for those events which correspond to the requests it has created itself. Crossscut objects are expected to be used in two modes:
- when first defining a crosscuting action for the current state of the VM
- when a new class is loaded in the current VM
@version $Revision: 1.3 $ @author Andrei Popovici

Examples of ch.ethz.prose.crosscut.Crosscut

    }
  }


  public void test0050_equals() {
    Method m; Field f; Class c; Aspect ext = new MyExtension();
    Crosscut cr = new ThrowCut() {
      public void THROW_ARGS() { }
      public Class[] potentialCrosscutClasses()
      { Class[] result = { LinkageError.class,
          IllegalStateException.class,
          InstantiationError.class,

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Examples of ch.ethz.prose.crosscut.Crosscut

      Aspect crtAspect = reconstructAspect(as);
      if (crtAspect != null) {
        Iterator j = crtAspect.getCrosscuts().iterator();
        if (!j.hasNext())  result.add(createTuple(as,null,null,selectFields));
        while (j.hasNext()) {
          Crosscut crtCrosscut = (Crosscut)j.next();
          Iterator k =  jpMgr.getJoinpoints(crtCrosscut).iterator();
          CrosscutSurrogate cs = new CrosscutSurrogate(as,crtCrosscut);
          if (!k.hasNext()) result.add(createTuple(as,cs,null,selectFields));
          while (k.hasNext()) {
            JoinPointRequest crtJpr = (JoinPointRequest)k.next();

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Examples of ch.ethz.prose.crosscut.Crosscut

    while (i.hasNext()) {
      try {
        CrosscutSurrogate cs = (CrosscutSurrogate)i.next();
        AspectSurrogate as = cs.getOwnerSurrogate();


        Crosscut crtCrosscut = reconstructCrosscut(cs);
        Iterator k =  jpMgr.getJoinpoints(crtCrosscut).iterator();
        if (!k.hasNext()) result.add(createTuple(as,cs,null,selectFields));
        while (k.hasNext()) {
          JoinPointRequest crtJpr = (JoinPointRequest)k.next();
          result.add(createTuple(as,cs,crtJpr,selectFields));

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Examples of ch.ethz.prose.crosscut.Crosscut

      try {
        JoinPointRequestSurrogate jprs = (JoinPointRequestSurrogate)i.next();
        JoinPointRequest jpr = reconstructRequest(jprs);
        Iterator j  = jpMgr.getCrosscuts(jpr).iterator();
        while (j.hasNext()) {
          Crosscut crtCrosscut = (Crosscut)j.next();
          Aspect crtAspect   = crtCrosscut.getOwner();
          result.add(createTuple(crtAspect,crtCrosscut,jprs,selectFields));
        }
      }


      // The following exception are CAUGHT and not propagated. The

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Examples of ch.ethz.prose.crosscut.Crosscut

    crtGroup.toBeInserted.add(ext);


    // associate all ext crosscuts to this group
    Iterator i = ext.getCrosscuts().iterator();
    while (i.hasNext()) {
      Crosscut crtCrosscut = (Crosscut)i.next();
      crtCrosscut.associateToGroup(crtGroup.insertGroup);
    }
  }

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Examples of ch.ethz.prose.crosscut.Crosscut


    // associate all crosscuts to this group
    Iterator i = ext.getCrosscuts().iterator();
    while (i.hasNext())
    {
      Crosscut crtCrosscut = (Crosscut)i.next();
      crtCrosscut.associateToGroup(crtGroup.withdrawGroup);
    }
  }

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Examples of ch.ethz.prose.crosscut.Crosscut

    //System.out.println("LocalAspectManager - Aspect = " + ext.toString());
    //System.out.println("LocalAspectManager - Class = " + cls);
    Iterator i = ext.getCrosscuts().iterator();
    while (i.hasNext()) {


      Crosscut crtCrosscut = (Crosscut)i.next();
      //System.out.println("LocalAspectManager - crtCrosscut = " + crtCrosscut.toString());


      if (  (crtCrosscut instanceof Insertable) && cls == null)
        ((Insertable)crtCrosscut).insertionAction(true);


      CrosscutRequest crtRequest = null;
      if (cls == null)
        // This method is used by first use of this crosscut
        crtRequest =  crtCrosscut.createRequest();
      else
        // This method is used upon loading of new classes in the VM
        crtRequest = crtCrosscut.createRequest(cls);


      Iterator j = crtRequest.iterator();
      while (j.hasNext()) {
        //System.out.println("LocalAspectManager - crtCrosscut.iterator = " + crtRequest.toString());
        JoinPointRequest crtJPR = (JoinPointRequest)(j.next());

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Examples of ch.ethz.prose.crosscut.Crosscut

      Logger.warning("Aspect does not wish withdrawal",e);
    }


    Iterator i = ext.getCrosscuts().iterator();
    while (i.hasNext()) {
      Crosscut crtCrosscut = (Crosscut)i.next();
      jpm.unregisterListener(crtCrosscut);
    }
    theExtensions.remove(ext);


    try {

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Examples of Crosscut

User perspective

Developer perspective

Examples of ch.ethz.prose.crosscut.Crosscut

Examples of ch.ethz.prose.crosscut.Crosscut

Examples of ch.ethz.prose.crosscut.Crosscut

Examples of ch.ethz.prose.crosscut.Crosscut

Examples of ch.ethz.prose.crosscut.Crosscut

Examples of ch.ethz.prose.crosscut.Crosscut

Examples of ch.ethz.prose.crosscut.Crosscut

Examples of ch.ethz.prose.crosscut.Crosscut