Examples of org.jboss.aop.InstanceAdvisor

org.jboss.aop.InstanceAdvisor
Holds an object instance's metadata and attached interceptor chain.
The interceptor chain attached to an advised object contains interceptors that are applied to every method execution and field access joinpoint of that object. At startup, the instance interceptor chain is always empty. This chain is specially tailored for per-instance dynamic AOP operations, allowing the addition and removal of interceptors at runtime. The order in which the interceptors are invoked depends on which method was used to add them to the chain (for more information, see {@link #insertInterceptor } and {@link #appendInterceptor}methods).
Notice that every interceptor chain operation provided by an instance advisor affects only the advised object interceptor chain, and hence it will not affect other advised instances, regardless of whether they belong to the same class or not. @author Bill Burke @version $Revision: 68585 $

         Object callingObject = ((CallerInvocation) invocation).getCallingObject();
         // called from non-static method
         if (callingObject != null)
         {
            Advised advised = (Advised) callingObject;
            InstanceAdvisor advisor = advised._getInstanceAdvisor();
            Interceptor interceptor = (Interceptor) advisor.getPerInstanceJoinpointAspect(joinpoint, aspectDefinition);
            if (interceptor != null)
            {
               return interceptor.invoke(invocation);
            }
         }
         
      }
      else
      {
         Object targetObject = invocation.getTargetObject();
         // non-static method call or non-static field call
         if (targetObject != null)
         {
            InstanceAdvisor instanceAdvisor = getInstanceAdvisor(invocation, targetObject);
            if (instanceAdvisor != null)
            {
               Interceptor interceptor = getAspectInstance(instanceAdvisor);
               if (interceptor != null)
               {

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               {
                  Interceptor icptr = null;
                  if (icptrs[i] instanceof PerInstanceInterceptor && !Modifier.isStatic(info.getMethod().getModifiers()))
                  {
                     requiresInstanceAdvisor = true;
                     InstanceAdvisor ia = getProxyInstanceAdvisor();
                     icptr = ((PerInstanceInterceptor)icptrs[i]).getAspectInstance(ia);
                  }
                  else if (icptrs[i] instanceof PerJoinpointInterceptor && !Modifier.isStatic(info.getMethod().getModifiers()))
                  {
                     requiresInstanceAdvisor = true;
                     InstanceAdvisor ia = getProxyInstanceAdvisor();
                     icptr = ((PerJoinpointInterceptor)icptrs[i]).getAspectInstance(ia);
                  }
                  else
                  {
                     icptr = icptrs[i];
                  }
                  if (icptr != null)
                  {
                     allIcptrs.add(icptr);
                  }
               }
               else
               {
                  AbstractAdvice advice = (AbstractAdvice)icptrs[i];
                  Object aspectInstance = null;
                  if (icptrs[i] instanceof PerInstanceAdvice && !Modifier.isStatic(info.getMethod().getModifiers()))
                  {
                     requiresInstanceAdvisor = true;
                     InstanceAdvisor ia = getProxyInstanceAdvisor();
                     aspectInstance = ((PerInstanceAdvice)advice).getAspectInstance(ia);
                  }
                  else if (icptrs[i] instanceof PerJoinpointAdvice && !Modifier.isStatic(info.getMethod().getModifiers()))
                  {
                     requiresInstanceAdvisor = true;
                     InstanceAdvisor ia = getProxyInstanceAdvisor();
                     aspectInstance = ((PerJoinpointAdvice)advice).getAspectInstance(ia);
                  } 
                  else 
                  {
                     aspectInstance = advice.getAspectInstance();

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         }
      }
      
      private InstanceAdvisor getProxyInstanceAdvisor()
      {
         InstanceAdvisor ia = proxy.proxyInstance.getInstanceAdvisor();
         proxy.checkInstanceAdvisor((InstanceProxyContainer)ia);
         return ia;
      }

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      if (instanceResolver != null) return instanceResolver;
      if (getTargetObject() != null)
      {
         if (getTargetObject() instanceof InstanceAdvised)
         {
            InstanceAdvisor ia = ((InstanceAdvised) getTargetObject())._getInstanceAdvisor();
            if (ia != null)
            {


               instanceResolver = ia.getMetaData();
               return instanceResolver;
            }
         }
      }
      return null;

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      String proxyFamilyName = objectId.toString() + locator.getProtocol() + partitionName;
      HAPartition partition = HAPartitionLocator.getHAPartitionLocator().getHAPartition(partitionName, null);


      HATarget target = null;
      Map families = null;
      InstanceAdvisor advisor = null;
      Class clazz;


      if (obj instanceof Advised)
      {
         advisor = ((Advised) obj)._getInstanceAdvisor();
         clazz = obj.getClass();
         Dispatcher.singleton.registerTarget(objectId, obj);
      }
      else
      {
         clazz = obj.getClass();
         ClassProxy proxy = ClassProxyFactory.newInstance(obj.getClass());
         advisor = proxy._getInstanceAdvisor();
         advisor.insertInterceptor(new ForwardingInterceptor(obj));
         Dispatcher.singleton.registerTarget(objectId, proxy);
      }
      families = (Map) advisor.getMetaData().getMetaData(CLUSTERED_REMOTING, CLUSTER_FAMILIES);
      if (families != null)
      {
         target = (HATarget) families.get(proxyFamilyName);
         if (target == null)
         {
            target = new HATarget(partition, proxyFamilyName, locator, HATarget.ENABLE_INVOCATIONS);
            ClusteringTargetsRepository.initTarget(proxyFamilyName, target.getReplicants());
            families.put(proxyFamilyName, target);
         }
      }
      else
      {
         families = new HashMap();
         target = new HATarget(partition, proxyFamilyName, locator, HATarget.ENABLE_INVOCATIONS);
         ClusteringTargetsRepository.initTarget(proxyFamilyName, target.getReplicants());
         families.put(proxyFamilyName, target);
         advisor.insertInterceptor(0, new ReplicantsManagerInterceptor(families));
      }


      ClassProxy proxy = ClassProxyFactory.newInstance(clazz);
      InstanceAdvisor proxyAdvisor = proxy._getInstanceAdvisor();
      proxyAdvisor.insertInterceptor(IsLocalInterceptor.singleton);
      advisor.insertInterceptor(SecurityClientInterceptor.singleton);
      advisor.insertInterceptor(ClientTxPropagationInterceptor.singleton);
      proxyAdvisor.insertInterceptor(MergeMetaDataInterceptor.singleton);
      proxyAdvisor.insertInterceptor(ClusterChooserInterceptor.singleton);
      proxyAdvisor.insertInterceptor(InvokeRemoteInterceptor.singleton);


      proxyAdvisor.getMetaData().addMetaData(CLUSTERED_REMOTING,
      CLUSTER_FAMILY_WRAPPER,
      new FamilyWrapper(proxyFamilyName, target.getReplicants()),
      PayloadKey.AS_IS);


      // LB policy should be AS_IS so that remoting framework downloads the classes
      proxyAdvisor.getMetaData().addMetaData(CLUSTERED_REMOTING,
      LOADBALANCE_POLICY,
      lb,
      PayloadKey.AS_IS);


      proxyAdvisor.getMetaData().addMetaData(InvokeRemoteInterceptor.REMOTING,
      InvokeRemoteInterceptor.SUBSYSTEM,
      "AOP",
      PayloadKey.AS_IS);


      proxyAdvisor.getMetaData().addMetaData(Dispatcher.DISPATCHER,
      Dispatcher.OID,
      objectId,
      PayloadKey.AS_IS);


      return proxy;

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   public static void unregisterClusteredObject(Object object)
   {
      try
      {
         ClassProxy proxy = (ClassProxy) object;
         InstanceAdvisor advisor = proxy._getInstanceAdvisor();


         String oid = (String) advisor.getMetaData().getMetaData(Dispatcher.DISPATCHER, Dispatcher.OID);
         InstanceAdvised registeredObject = (InstanceAdvised) Dispatcher.singleton.getRegistered(oid);
         if (registeredObject == null) throw new NotRegisteredException(oid.toString() + " is not registered");
         Dispatcher.singleton.unregisterTarget(oid);


         advisor = registeredObject._getInstanceAdvisor();
         Map families = (Map) advisor.getMetaData().getMetaData(CLUSTERED_REMOTING, CLUSTER_FAMILIES);
         Iterator it = families.values().iterator();
         while (it.hasNext())
         {
            HATarget target = (HATarget) it.next();
            target.destroy();

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         Object callingObject = ((CallerInvocation) invocation).getCallingObject();


         if (callingObject == null) return invocation.invokeNext(); // called from static method
         
         Advised advised = (Advised) callingObject;
         InstanceAdvisor advisor = advised._getInstanceAdvisor();
         aspect = advisor.getPerInstanceJoinpointAspect(joinpoint, aspectDefinition);
      }
      else
      {
         Object targetObject = invocation.getTargetObject();
         if (targetObject == null) return invocation.invokeNext(); // static method call or static field call


         InstanceAdvisor instanceAdvisor = null;
         if (targetObject instanceof Advised)
         {
            Advised advised = (Advised) targetObject;
            instanceAdvisor = advised._getInstanceAdvisor();
         }
         else
         {
            Advisor advisor = invocation.getAdvisor();
            if (advisor == null)
            {
               return invocation.invokeNext();
            }
            else if (advisor instanceof InstanceAdvisor)
            {
               instanceAdvisor = (InstanceAdvisor) advisor;
            }
            else if (advisor instanceof ClassProxyContainer && invocation instanceof ContainerProxyMethodInvocation)
            {
               ContainerProxyMethodInvocation pi = (ContainerProxyMethodInvocation)invocation;
               instanceAdvisor = pi.getProxy().getInstanceAdvisor();
            }
            else
            {
               return invocation.invokeNext();
            }
         }
         aspect = instanceAdvisor.getPerInstanceJoinpointAspect(joinpoint, aspectDefinition);
      }  
      
      if (!initialized)
      {
         init(adviceName, aspect.getClass());

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         }
         catch(Exception e) {
            throw new CacheException("failed creating instance of " + clazz.getName(), e);
         }
         // Insert interceptor at runtime
         InstanceAdvisor advisor = ((Advised) obj)._getInstanceAdvisor();
         CacheInterceptor interceptor = new CacheInterceptor(cache_, fqn, type);
         interceptor.setAopInstance(aopInstance);
         advisor.appendInterceptor(interceptor);
         //cache_.addUndoInterceptor(advisor, interceptor, ModificationEntry.INTERCEPTOR_ADD);


      } else { // Must be Collection classes. We will use aop.ClassProxy instance instead.
         try {
            if( (obj = collectionHandler_.collectionObjectGet(fqn, clazz)) != null ) {

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      // store object in cache
      if (obj instanceof Advised) {
         CachedType type = cache_.getCachedType(obj.getClass());
         // add interceptor
         InstanceAdvisor advisor = ((Advised) obj)._getInstanceAdvisor();
         if(advisor == null)
            throw new RuntimeException("_putObject(): InstanceAdvisor is null for: " +obj);


         // Step Check for cross references
         Interceptor interceptor = AopUtil.findCacheInterceptor(advisor);

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      {
         Object obj = it.next();


         if(obj instanceof InstanceAdvisor)
         {
            InstanceAdvisor advisor = (InstanceAdvisor)obj;
            BaseInterceptor interceptor = (BaseInterceptor)undoMap.get(advisor);


            if(interceptor == null)
            {
               throw new IllegalStateException("TreeCacheAopDelegate.undoInterceptorDetach(): null interceptor");
            }


            advisor.appendInterceptor(interceptor);
         } else
         {
            BaseInterceptor interceptor = (BaseInterceptor)undoMap.get(obj);
            boolean copyToCache = false;
            ((AbstractCollectionInterceptor)interceptor).attach(null, copyToCache);

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org.jboss.aop.advice.PerInstanceAdvice

org.jboss.aop.advice.PerInstanceInterceptor

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