Examples of javax.persistence.PersistenceUnit

javax.persistence.PersistenceUnit

                    PersistenceContext annotation = 
                        (PersistenceContext) fields[i].getAnnotation(PersistenceContext.class);
                    lookupFieldResource(context, instance, fields[i], annotation.name());
                }
                if (fields[i].isAnnotationPresent(PersistenceUnit.class)) {
                    PersistenceUnit annotation = 
                        (PersistenceUnit) fields[i].getAnnotation(PersistenceUnit.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(Resource.class)) {
                    Resource annotation = (Resource) methods[i].getAnnotation(Resource.class);
                    lookupMethodResource(context, instance, methods[i], annotation.name());
                }
                if (methods[i].isAnnotationPresent(EJB.class)) {
                    EJB annotation = (EJB) methods[i].getAnnotation(EJB.class);
                    lookupMethodResource(context, instance, methods[i], annotation.name());
                }
                if (methods[i].isAnnotationPresent(WebServiceRef.class)) {
                    WebServiceRef annotation = 
                        (WebServiceRef) methods[i].getAnnotation(WebServiceRef.class);
                    lookupMethodResource(context, instance, methods[i], annotation.name());
                }
                if (methods[i].isAnnotationPresent(PersistenceContext.class)) {
                    PersistenceContext annotation = 
                        (PersistenceContext) methods[i].getAnnotation(PersistenceContext.class);
                    lookupMethodResource(context, instance, methods[i], annotation.name());
                }
                if (methods[i].isAnnotationPresent(PersistenceUnit.class)) {
                    PersistenceUnit annotation = 
                        (PersistenceUnit) methods[i].getAnnotation(PersistenceUnit.class);
                    lookupMethodResource(context, instance, methods[i], annotation.name());
                }
            }
            
            clazz = clazz.getSuperclass();
        }

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            for (Class<?> clazz : classFinder.findAnnotatedClasses(PersistenceUnits.class)) {
                PersistenceUnits persistenceUnits = clazz.getAnnotation(PersistenceUnits.class);
                persistenceUnitList.addAll(asList(persistenceUnits.value()));
            }
            for (Class<?> clazz : classFinder.findAnnotatedClasses(PersistenceUnit.class)) {
                PersistenceUnit persistenceUnit = clazz.getAnnotation(PersistenceUnit.class);
                persistenceUnitList.add(persistenceUnit);
            }
            for (PersistenceUnit pUnit : persistenceUnitList) {
                buildPersistenceUnit(consumer, pUnit, null);
            }
            for (Field field : classFinder.findAnnotatedFields(PersistenceUnit.class)) {
                PersistenceUnit pUnit = field.getAnnotation(PersistenceUnit.class);
                Member member = new FieldMember(field);
                buildPersistenceUnit(consumer, pUnit, member);
            }
            for (Method method : classFinder.findAnnotatedMethods(PersistenceUnit.class)) {
                PersistenceUnit pUnit = method.getAnnotation(PersistenceUnit.class);
                Member member = new MethodMember(method);
                buildPersistenceUnit(consumer, pUnit, member);
            }


            //

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            for (Annotated<Class<?>> clazz : annotationFinder.findMetaAnnotatedClasses(PersistenceUnits.class)) {
                PersistenceUnits persistenceUnits = clazz.getAnnotation(PersistenceUnits.class);
                persistenceUnitList.addAll(asList(persistenceUnits.value()));
            }
            for (Annotated<Class<?>> clazz : annotationFinder.findMetaAnnotatedClasses(PersistenceUnit.class)) {
                PersistenceUnit persistenceUnit = clazz.getAnnotation(PersistenceUnit.class);
                persistenceUnitList.add(persistenceUnit);
            }
            for (PersistenceUnit pUnit : persistenceUnitList) {
                buildPersistenceUnit(consumer, pUnit, null);
            }
            for (Annotated<Field> field : annotationFinder.findMetaAnnotatedFields(PersistenceUnit.class)) {
                PersistenceUnit pUnit = field.getAnnotation(PersistenceUnit.class);
                Member member = new FieldMember(field.get());
                buildPersistenceUnit(consumer, pUnit, member);
            }
            for (Annotated<Method> method : annotationFinder.findMetaAnnotatedMethods(PersistenceUnit.class)) {
                PersistenceUnit pUnit = method.getAnnotation(PersistenceUnit.class);
                Member member = new MethodMember(method.get());
                buildPersistenceUnit(consumer, pUnit, member);
            }


            //

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    }


    @Override
    public EntityManagerFactory resolvePersistenceUnit(InjectionPoint injectionPoint) {
        //TODO: cache this stuff
        final PersistenceUnit context = injectionPoint.getAnnotated().getAnnotation(PersistenceUnit.class);
        if (context == null) {
            throw new RuntimeException("Could not find @PersistenceUnit annotation on " + injectionPoint.getMember());
        }
        final String scopedPuName = getScopedPUName(deploymentUnit, context.unitName());
        final ServiceName persistenceUnitServiceName = PersistenceUnitServiceImpl.getPUServiceName(scopedPuName);


        final ServiceController<?> serviceController = serviceRegistry.getRequiredService(persistenceUnitServiceName);
        //now we have the service controller, as this method is only called at runtime the service should
        //always be up

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                        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 (Field field : fields) {
                        Resource resourceAnnotation;
                        EJB ejbAnnotation;
                        WebServiceRef webServiceRefAnnotation;
                        PersistenceContext persistenceContextAnnotation;
                        PersistenceUnit persistenceUnitAnnotation;
                        if (injections != null && injections.containsKey(field.getName())) {
                            annotations.add(new AnnotationCacheEntry(
                                    field.getName(), null,
                                    injections.get(field.getName()),
                                    AnnotationCacheEntryType.FIELD));
                        } else if ((resourceAnnotation =
                                field.getAnnotation(Resource.class)) != null) {
                            annotations.add(new AnnotationCacheEntry(field.getName(), null,
                                    resourceAnnotation.name(), AnnotationCacheEntryType.FIELD));
                        } else if ((ejbAnnotation =
                                field.getAnnotation(EJB.class)) != null) {
                            annotations.add(new AnnotationCacheEntry(field.getName(), null,
                                    ejbAnnotation.name(), AnnotationCacheEntryType.FIELD));
                        } else if ((webServiceRefAnnotation =
                                field.getAnnotation(WebServiceRef.class)) != null) {
                            annotations.add(new AnnotationCacheEntry(field.getName(), null,
                                    webServiceRefAnnotation.name(),
                                    AnnotationCacheEntryType.FIELD));
                        } else if ((persistenceContextAnnotation =
                                field.getAnnotation(PersistenceContext.class)) != null) {
                            annotations.add(new AnnotationCacheEntry(field.getName(), null,
                                    persistenceContextAnnotation.name(),
                                    AnnotationCacheEntryType.FIELD));
                        } else if ((persistenceUnitAnnotation =
                                field.getAnnotation(PersistenceUnit.class)) != null) {
                            annotations.add(new AnnotationCacheEntry(field.getName(), null,
                                    persistenceUnitAnnotation.name(),
                                    AnnotationCacheEntryType.FIELD));
                        }
                    }
                }


                // Initialize methods annotations
                Method[] methods = Introspection.getDeclaredMethods(clazz);
                Method postConstruct = null;
                String postConstructFromXml = postConstructMethods.get(clazz.getName());
                Method preDestroy = null;
                String preDestroyFromXml = preDestroyMethods.get(clazz.getName());
                for (Method method : methods) {
                    if (context != null) {
                        // Resource injection only if JNDI is enabled
                        if (injections != null &&
                                Introspection.isValidSetter(method)) {
                            String fieldName = Introspection.getPropertyName(method);
                            if (injections.containsKey(fieldName)) {
                                annotations.add(new AnnotationCacheEntry(
                                        method.getName(),
                                        method.getParameterTypes(),
                                        injections.get(fieldName),
                                        AnnotationCacheEntryType.SETTER));
                                continue;
                            }
                        }
                        Resource resourceAnnotation;
                        EJB ejbAnnotation;
                        WebServiceRef webServiceRefAnnotation;
                        PersistenceContext persistenceContextAnnotation;
                        PersistenceUnit persistenceUnitAnnotation;
                        if ((resourceAnnotation =
                                method.getAnnotation(Resource.class)) != null) {
                            annotations.add(new AnnotationCacheEntry(
                                    method.getName(),
                                    method.getParameterTypes(),
                                    resourceAnnotation.name(),
                                    AnnotationCacheEntryType.SETTER));
                        } else if ((ejbAnnotation =
                                method.getAnnotation(EJB.class)) != null) {
                            annotations.add(new AnnotationCacheEntry(
                                    method.getName(),
                                    method.getParameterTypes(),
                                    ejbAnnotation.name(),
                                    AnnotationCacheEntryType.SETTER));
                        } else if ((webServiceRefAnnotation =
                                method.getAnnotation(WebServiceRef.class)) != null) {
                            annotations.add(new AnnotationCacheEntry(
                                    method.getName(),
                                    method.getParameterTypes(),
                                    webServiceRefAnnotation.name(),
                                    AnnotationCacheEntryType.SETTER));
                        } else if ((persistenceContextAnnotation =
                                method.getAnnotation(PersistenceContext.class)) != null) {
                            annotations.add(new AnnotationCacheEntry(
                                    method.getName(),
                                    method.getParameterTypes(),
                                    persistenceContextAnnotation.name(),
                                    AnnotationCacheEntryType.SETTER));
                        } else if ((persistenceUnitAnnotation = method.getAnnotation(PersistenceUnit.class)) != null) {
                            annotations.add(new AnnotationCacheEntry(
                                    method.getName(),
                                    method.getParameterTypes(),
                                    persistenceUnitAnnotation.name(),
                                    AnnotationCacheEntryType.SETTER));
                        }
                    }


                    postConstruct = findPostConstruct(postConstruct, postConstructFromXml, method);

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        List<Method> methodswithPersistenceUnit = classFinder.findAnnotatedMethods(PersistenceUnit.class);
        List<Field> fieldswithPersistenceUnit = classFinder.findAnnotatedFields(PersistenceUnit.class);


        // Class-level annotation
        for (Class cls : classeswithPersistenceUnit) {
            PersistenceUnit persistenceUnit = (PersistenceUnit) cls.getAnnotation(PersistenceUnit.class);
            if (persistenceUnit != null) {
                addPersistenceUnit(annotatedApp, persistenceUnit, cls, null, null);
            }
        }


        // Method-level annotation
        for (Method method : methodswithPersistenceUnit) {
            PersistenceUnit persistenceUnit = method.getAnnotation(PersistenceUnit.class);
            if (persistenceUnit != null) {
                addPersistenceUnit(annotatedApp, persistenceUnit, null, method, null);
            }
        }


        // Field-level annotation
        for (Field field : fieldswithPersistenceUnit) {
            PersistenceUnit persistenceUnit = field.getAnnotation(PersistenceUnit.class);
            if (persistenceUnit != null) {
                addPersistenceUnit(annotatedApp, persistenceUnit, null, null, field);
            }
        }

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         for (PersistenceUnit ref : resources.value())
         {
            handleClassAnnotation(ref, container, clazz);
         }
      }
      PersistenceUnit pu = container.getAnnotation(PersistenceUnit.class, clazz);
      if (pu != null)
      {
         handleClassAnnotation(pu, container, clazz);
      }
   }

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      }
   }


   public void handleMethodAnnotations(Method method, InjectionContainer container, Map<AccessibleObject, Injector> injectors)
   {
      PersistenceUnit ref = method.getAnnotation(PersistenceUnit.class);
      if (ref == null) return;
      if (!method.getName().startsWith("set"))
         throw new RuntimeException("@PersistenceUnit can only be used with a set method: " + method);
      String encName = ref.name();
      if (encName == null || encName.equals(""))
      {
         encName = InjectionUtil.getEncName(method);
      }
      else
      {
         encName = "env/" + encName;
      }
      if (!container.getEncInjectors().containsKey(encName))
      {
         container.getEncInjectors().put(encName, new PuEncInjector(encName, method.getParameterTypes()[0], ref.unitName(), "@PersistenceUnit"));
         try
         {
            if (!method.isAnnotationPresent(IgnoreDependency.class)) addPUDependency(ref.unitName(), container);
         }
         catch (NameNotFoundException e)
         {
            throw new RuntimeException("Illegal @PersistenceUnit on " + method + " :" + e.getMessage());
         }

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      injectors.put(method, new JndiMethodInjector(method, encName, container.getEnc()));
   }


   public void handleFieldAnnotations(Field field, InjectionContainer container, Map<AccessibleObject, Injector> injectors)
   {
      PersistenceUnit ref = field.getAnnotation(PersistenceUnit.class);
      if (ref == null) return;
      String encName = ref.name();
      if (encName == null || encName.equals(""))
      {
         encName = InjectionUtil.getEncName(field);
      }
      else
      {
         encName = "env/" + encName;
      }
      if (!container.getEncInjectors().containsKey(encName))
      {
         container.getEncInjectors().put(encName, new PuEncInjector(encName, field.getType(), ref.unitName(), "@PersistenceUnit"));
         try
         {
            if (!field.isAnnotationPresent(IgnoreDependency.class)) addPUDependency(ref.unitName(), container);
         }
         catch (NameNotFoundException e)
         {
            throw new RuntimeException("Illegal @PersistenceUnit on " + field + " :" + e.getMessage());
         }

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