Package javax.ejb

Examples of javax.ejb.EJB

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      finder = new ClassFinder(getClassPath());
      methodList = finder.findAnnotatedMethods(EJB.class);
      for(Iterator methods = methodList.iterator(); methods.hasNext();) {
        Method method = (Method) methods.next();
        EJB ejbAnnotation = method.getAnnotation(EJB.class);
        if( (ejbAnnotation.name() != null) && (ejbAnnotation.name() != "") && (ejbAnnotation.beanInterface() != null)) {
          try {
            home = initialContext.lookup(ejbAnnotation.name());
            // home = ejbAnnotation.beanInterface().cast(PortableRemoteObject.narrow(home, ejbAnnotation.beanInterface()));
            home = cast(home, ejbAnnotation.beanInterface());
            method.setAccessible(true);
            method.invoke(this, new Object[] {home});
          } catch(Exception ex) {
            // TODO - MNour : Needs better exception handling
            ex.printStackTrace();
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            for (Annotated<Class<?>> clazz : annotationFinder.findMetaAnnotatedClasses(EJBs.class)) {
                EJBs ejbs = clazz.getAnnotation(EJBs.class);
                ejbList.addAll(asList(ejbs.value()));
            }
            for (Annotated<Class<?>> clazz : annotationFinder.findMetaAnnotatedClasses(EJB.class)) {
                EJB e = clazz.getAnnotation(EJB.class);
                ejbList.add(e);
            }

            for (EJB ejb : ejbList) {
                buildEjbRef(consumer, ejb, null);
            }

            for (Annotated<Field> field : annotationFinder.findMetaAnnotatedFields(EJB.class)) {
                EJB ejb = field.getAnnotation(EJB.class);

                Member member = new FieldMember(field.get());

                buildEjbRef(consumer, ejb, member);
            }

            for (Annotated<Method> method : annotationFinder.findMetaAnnotatedMethods(EJB.class)) {
                EJB ejb = method.getAnnotation(EJB.class);

                Member member = new MethodMember(method.get());

                buildEjbRef(consumer, ejb, member);
            }
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      super(finder);
   }

   public void process(AnnotatedEJBReferencesMetaData refs, E element)
   {
      EJB annotation = finder.getAnnotation(element, EJB.class);
      if(annotation == null)
         return;

      process(refs, element, annotation);
   }
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    }

    @Override
    public Object resolveEjb(InjectionPoint injectionPoint) {
        //TODO: some of this stuff should be cached
        EJB ejb = injectionPoint.getAnnotated().getAnnotation(EJB.class);
        if (ejb == null) {
            throw new RuntimeException("@Ejb annotation not found on " + injectionPoint.getMember());
        }
        if (injectionPoint.getMember() instanceof Method && ((Method) injectionPoint.getMember()).getParameterTypes().length != 1) {
            throw new IllegalArgumentException("Injection point represents a method which doesn't follow JavaBean conventions (must have exactly one parameter) " + injectionPoint);
        }
        if (!ejb.lookup().equals("")) {
            final ContextNames.BindInfo ejbBindInfo = ContextNames.bindInfoFor(moduleDescription.getApplicationName(), moduleDescription.getModuleName(), moduleDescription.getModuleName(), ejb.lookup());
            ServiceController<?> controller = serviceRegistry.getRequiredService(ejbBindInfo.getBinderServiceName());
            ManagedReferenceFactory factory = (ManagedReferenceFactory) controller.getValue();
            return factory.getReference().getInstance();
        } else {
            final Set<ViewDescription> viewService;
            if (ejb.beanName().isEmpty()) {
                if (ejb.beanInterface() != Object.class) {
                    viewService = applicationDescription.getComponentsForViewName(ejb.beanInterface().getName());
                } else {
                    viewService = applicationDescription.getComponentsForViewName(getType(injectionPoint.getType()).getName());
                }
            } else {
                if (ejb.beanInterface() != Object.class) {
                    viewService = applicationDescription.getComponents(ejb.beanName(), ejb.beanInterface().getName(), deploymentRoot);
                } else {
                    viewService = applicationDescription.getComponents(ejb.beanName(), getType(injectionPoint.getType()).getName(), deploymentRoot);
                }
            }
            if (viewService.isEmpty()) {
                throw new RuntimeException("Could not resolve @Ejb reference " + ejb);
            } else if (viewService.size() > 1) {
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      super(finder);
   }

   public void process(AnnotatedEJBReferencesMetaData refs, E element)
   {
      EJB annotation = finder.getAnnotation(element, EJB.class);
      if(annotation == null)
         return;

      process(refs, element, annotation);
   }
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                    if (fields[i].isAnnotationPresent(Resource.class)) {
                        Resource annotation = (Resource) fields[i].getAnnotation(Resource.class);
                        lookupFieldResource(namingContext, managedBean, fields[i], annotation.name());
                    }
                    if (fields[i].isAnnotationPresent(EJB.class)) {
                        EJB annotation = (EJB) fields[i].getAnnotation(EJB.class);
                        lookupFieldResource(namingContext, managedBean, fields[i], annotation.name());
                    }
                    if (fields[i].isAnnotationPresent(WebServiceRef.class)) {
                        WebServiceRef annotation =
                            (WebServiceRef) fields[i].getAnnotation(WebServiceRef.class);
                        lookupFieldResource(namingContext, managedBean, fields[i], annotation.name());
                    }
                    if (fields[i].isAnnotationPresent(PersistenceContext.class)) {
                        PersistenceContext annotation =
                            (PersistenceContext) fields[i].getAnnotation(PersistenceContext.class);
                        lookupFieldResource(namingContext, managedBean, fields[i], annotation.name());
                    }
                    if (fields[i].isAnnotationPresent(PersistenceUnit.class)) {
                        PersistenceUnit annotation =
                            (PersistenceUnit) fields[i].getAnnotation(PersistenceUnit.class);
                        lookupFieldResource(namingContext, managedBean, fields[i], annotation.name());
                    }
                }
               
                // Initialize methods annotations
                Method[] methods = managedBean.getClass().getDeclaredMethods();
                for (int i = 0; i < methods.length; i++) {
                    if (methods[i].isAnnotationPresent(Resource.class)) {
                        Resource annotation = (Resource) methods[i].getAnnotation(Resource.class);
                        lookupMethodResource(namingContext, managedBean, methods[i], annotation.name());
                    }
                    if (methods[i].isAnnotationPresent(EJB.class)) {
                        EJB annotation = (EJB) methods[i].getAnnotation(EJB.class);
                        lookupMethodResource(namingContext, managedBean, methods[i], annotation.name());
                    }
                    if (methods[i].isAnnotationPresent(WebServiceRef.class)) {
                        WebServiceRef annotation =
                            (WebServiceRef) methods[i].getAnnotation(WebServiceRef.class);
                        lookupMethodResource(namingContext, managedBean, methods[i], annotation.name());
                    }
                    if (methods[i].isAnnotationPresent(PersistenceContext.class)) {
                        PersistenceContext annotation =
                            (PersistenceContext) methods[i].getAnnotation(PersistenceContext.class);
                        lookupMethodResource(namingContext, managedBean, methods[i], annotation.name());
                    }
                    if (methods[i].isAnnotationPresent(PersistenceUnit.class)) {
                        PersistenceUnit annotation =
                            (PersistenceUnit) methods[i].getAnnotation(PersistenceUnit.class);
                        lookupMethodResource(namingContext, managedBean, methods[i], annotation.name());
                    }
                }
               
            } catch (Exception e) {
                LOG.error("Injection failed on managed bean.", e);
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         for (EJB ejb : ejbs)
         {
            handleClassAnnotation(ejb, clazz, container);
         }
      }
      EJB ejbref = container.getAnnotation(EJB.class, clazz);
      if (ejbref != null) handleClassAnnotation(ejbref, clazz, container);
   }
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         ejbRefDependency(ejb.mappedName(), ejb.beanName(), container, ejb.beanInterface(), "@EJB", encName);
   }

   public void handleMethodAnnotations(Method method, InjectionContainer container, Map<AccessibleObject, Injector> injectors)
   {
      EJB ref = container.getAnnotation(EJB.class, method);
      if (ref != null)
      {
         if (!method.getName().startsWith("set"))
            throw new RuntimeException("@EJB can only be used with a set method: " + method);
         String encName = getEncName(ref, method);
         if (!container.getEncInjectors().containsKey(encName))
         {
            ejbRefEncInjector(ref.mappedName(), encName, method.getName().substring(0), method.getParameterTypes()[0], ref.beanName(), "@EJB", container);
           
            if (isIgnoreDependency(container, ref))
               log.debug("IGNORING <ejb-ref> DEPENDENCY: " + encName);
            else
               ejbRefDependency(ref.mappedName(), ref.beanName(), container, method.getParameterTypes()[0], "@EJB", encName);
         }

         super.handleMethodAnnotations(method, container, injectors);
      }
   }
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      }
   }

   public void handleFieldAnnotations(Field field, InjectionContainer container, Map<AccessibleObject, Injector> injectors)
   {
      EJB ref = container.getAnnotation(EJB.class, field);
      if (ref != null)
      {
         String encName = getEncName(ref, field);
         if (!container.getEncInjectors().containsKey(encName))
         {
            String mappedName = null;
            if(ref.mappedName().length() > 0)
               mappedName = ref.mappedName();
           
            if(mappedName == null)
            {
               EndpointInfo info = null;
               String link = null;
              
               if(ref.beanName().length() > 0)
                  link = ref.beanName();
              
               if(link != null)
                  info = resolver.getEndpointInfo(link, EndpointType.EJB, vfsContext);
               if(info == null)
                  info = resolver.getEndpointInfo(field.getType(), EndpointType.EJB, vfsContext);
               if(info == null)
                  throw new IllegalStateException("No mapped-name for field: "+field+", "+ref);

               ContainerDependencyMetaData cdmd = endpoints.get(info.getComponentKey());
               if(cdmd == null)
                  throw new IllegalStateException("Failed to resolve ContainerDependencyMetaData for info: "+info+", "+ref);
                mappedName = cdmd.getContainerName();
            }
           
            if (isIgnoreDependency(container, ref))
               log.debug("IGNORING <ejb-ref> DEPENDENCY: " + encName);
            else
            {
               ejbRefDependency(mappedName, ref.beanName(), container, field.getType(), "@EJB", encName);
            }
            ejbRefEncInjector(mappedName, encName, field.getName(), field.getType(), ref.beanName(), "@EJB", container);
         }
         super.handleFieldAnnotations(field, container, injectors);
      }
   }
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        // Initialize fields annotations
        Field[] fields = instance.getClass().getDeclaredFields();
        for (int i = 0; i < fields.length; i++) {
            if (fields[i].isAnnotationPresent(EJB.class)) {
                EJB annotation = fields[i].getAnnotation(EJB.class);
                lookupFieldResource(context, instance, fields[i], annotation.name());
            }
        }

        // Initialize methods annotations
        Method[] methods = instance.getClass().getDeclaredMethods();
        for (int i = 0; i < methods.length; i++) {
            if (methods[i].isAnnotationPresent(EJB.class)) {
                EJB annotation = methods[i].getAnnotation(EJB.class);
                lookupMethodResource(context, instance, methods[i], annotation.name());
            }
        }

    }
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