Exemplo n.º 1
0
        private EdmTypeCacheValue GetOrCreateEdmTypeInternal(IEdmStructuredType edmBaseType, Type type, PropertyInfo[] keyProperties, bool isEntity, bool?hasProperties)
        {
            EdmTypeCacheValue value2;
            Action <MetadataProviderEdmEntityType>  action3 = null;
            Action <MetadataProviderEdmComplexType> action4 = null;

            lock (this.clrToEdmTypeCache)
            {
                this.clrToEdmTypeCache.TryGetValue(type, out value2);
            }
            if (value2 == null)
            {
                if (PrimitiveType.IsKnownNullableType(type))
                {
                    PrimitiveType type3;
                    PrimitiveType.TryGetPrimitiveType(type, out type3);
                    value2 = new EdmTypeCacheValue(type3.CreateEdmPrimitiveType(), hasProperties);
                }
                else
                {
                    Type type2;
                    if (((type2 = ClientTypeUtil.GetImplementationType(type, typeof(ICollection <>))) != null) && (ClientTypeUtil.GetImplementationType(type, typeof(IDictionary <,>)) == null))
                    {
                        Type type4 = type2.GetGenericArguments()[0];
                        value2 = new EdmTypeCacheValue(new EdmCollectionType(this.GetOrCreateEdmTypeInternal(type4).EdmType.ToEdmTypeReference(ClientTypeUtil.CanAssignNull(type4))), hasProperties);
                    }
                    else if (isEntity)
                    {
                        if (action3 == null)
                        {
                            action3 = delegate(MetadataProviderEdmEntityType entityType) {
                                List <IEdmProperty>           list  = new List <IEdmProperty>();
                                List <IEdmStructuralProperty> list1 = new List <IEdmStructuralProperty>();
                                using (IEnumerator <PropertyInfo> enumerator = (from p in ClientTypeUtil.GetPropertiesOnType(type, edmBaseType != null)
                                                                                orderby p.Name
                                                                                select p).GetEnumerator())
                                {
                                    Func <PropertyInfo, bool> predicate = null;
                                    while (enumerator.MoveNext())
                                    {
                                        PropertyInfo property = enumerator.Current;
                                        IEdmProperty item     = this.CreateEdmProperty(entityType, property);
                                        list.Add(item);
                                        if (edmBaseType == null)
                                        {
                                            if (predicate == null)
                                            {
                                                predicate = k => (k.DeclaringType == type) && (k.Name == property.Name);
                                            }
                                            if (keyProperties.Any <PropertyInfo>(predicate))
                                            {
                                                list1.Add((IEdmStructuralProperty)item);
                                            }
                                        }
                                    }
                                }
                                foreach (IEdmProperty property2 in list)
                                {
                                    entityType.AddProperty(property2);
                                }
                                entityType.AddKeys(list1);
                            };
                        }
                        Action <MetadataProviderEdmEntityType> propertyLoadAction = action3;
                        value2 = new EdmTypeCacheValue(new MetadataProviderEdmEntityType(CommonUtil.GetModelTypeNamespace(type), CommonUtil.GetModelTypeName(type), (IEdmEntityType)edmBaseType, type.IsAbstract(), false, propertyLoadAction), hasProperties);
                    }
                    else
                    {
                        if (action4 == null)
                        {
                            action4 = delegate(MetadataProviderEdmComplexType complexType) {
                                List <IEdmProperty> list = new List <IEdmProperty>();
                                foreach (PropertyInfo info in from p in ClientTypeUtil.GetPropertiesOnType(type, edmBaseType != null)
                                         orderby p.Name
                                         select p)
                                {
                                    IEdmProperty item = this.CreateEdmProperty(complexType, info);
                                    list.Add(item);
                                }
                                foreach (IEdmProperty property2 in list)
                                {
                                    complexType.AddProperty(property2);
                                }
                            };
                        }
                        Action <MetadataProviderEdmComplexType> action2 = action4;
                        value2 = new EdmTypeCacheValue(new MetadataProviderEdmComplexType(CommonUtil.GetModelTypeNamespace(type), CommonUtil.GetModelTypeName(type), (IEdmComplexType)edmBaseType, type.IsAbstract(), action2), hasProperties);
                    }
                }
                IEdmType             edmType = value2.EdmType;
                ClientTypeAnnotation orCreateClientTypeAnnotation = this.GetOrCreateClientTypeAnnotation(edmType, type);
                edmType.SetClientTypeAnnotation(orCreateClientTypeAnnotation);
                if ((edmType.TypeKind == EdmTypeKind.Entity) || (edmType.TypeKind == EdmTypeKind.Complex))
                {
                    IEdmStructuredType edmStructuredType = edmType as IEdmStructuredType;
                    this.SetMimeTypeForProperties(edmStructuredType);
                }
                lock (this.clrToEdmTypeCache)
                {
                    EdmTypeCacheValue value3;
                    if (this.clrToEdmTypeCache.TryGetValue(type, out value3))
                    {
                        return(value3);
                    }
                    this.clrToEdmTypeCache.Add(type, value2);
                }
            }
            return(value2);
        }
Exemplo n.º 2
0
        private EdmTypeCacheValue GetOrCreateEdmTypeInternal(IEdmStructuredType edmBaseType, Type type, PropertyInfo[] keyProperties, bool isEntity, bool?hasProperties)
        {
            Debug.Assert(type != null, "type != null");
            Debug.Assert(keyProperties != null, "keyProperties != null");

            EdmTypeCacheValue cachedEdmType;

            lock (this.clrToEdmTypeCache)
            {
                this.clrToEdmTypeCache.TryGetValue(type, out cachedEdmType);
            }

            if (cachedEdmType == null)
            {
                Type collectionType;
                if (PrimitiveType.IsKnownNullableType(type))
                {
                    PrimitiveType primitiveType;
                    PrimitiveType.TryGetPrimitiveType(type, out primitiveType);
                    Debug.Assert(primitiveType != null, "primitiveType != null");
                    cachedEdmType = new EdmTypeCacheValue(primitiveType.CreateEdmPrimitiveType(), hasProperties);
                }
                else if ((collectionType = ClientTypeUtil.GetImplementationType(type, typeof(ICollection <>))) != null && ClientTypeUtil.GetImplementationType(type, typeof(IDictionary <,>)) == null)
                {
                    // Collection Type
                    Type     elementType = collectionType.GetGenericArguments()[0];
                    IEdmType itemType    = this.GetOrCreateEdmTypeInternal(elementType).EdmType;

                    // Note that while collection of a collection is not allowed, we cannot throw here since it's a breaking change.
                    // We will throw during SaveChanges() and we have unit test validating the error case.
                    Debug.Assert(
                        itemType.TypeKind == EdmTypeKind.Entity || itemType.TypeKind == EdmTypeKind.Complex || itemType.TypeKind == EdmTypeKind.Primitive || itemType.TypeKind == EdmTypeKind.Collection,
                        "itemType.TypeKind == EdmTypeKind.Entity || itemType.TypeKind == EdmTypeKind.Complex || itemType.TypeKind == EdmTypeKind.Primitive || itemType.TypeKind == EdmTypeKind.Collection");

                    cachedEdmType = new EdmTypeCacheValue(new EdmCollectionType(itemType.ToEdmTypeReference(ClientTypeUtil.CanAssignNull(elementType))), hasProperties);
                }
                else
                {
                    if (isEntity)
                    {
                        Action <EdmEntityTypeWithDelayLoadedProperties> delayLoadEntityProperties = (entityType) =>
                        {
                            // Create properties without modifying the entityType.
                            // This will leave entityType intact in case of an exception during loading.
                            List <IEdmProperty>           loadedProperties    = new List <IEdmProperty>();
                            List <IEdmStructuralProperty> loadedKeyProperties = new List <IEdmStructuralProperty>();
                            foreach (PropertyInfo property in ClientTypeUtil.GetPropertiesOnType(type, /*declaredOnly*/ edmBaseType != null).OrderBy(p => p.Name))
                            {
                                IEdmProperty edmProperty = this.CreateEdmProperty((EdmStructuredType)entityType, property);
                                loadedProperties.Add(edmProperty);

                                if (edmBaseType == null && keyProperties.Any(k => k.DeclaringType == type && k.Name == property.Name))
                                {
                                    Debug.Assert(edmProperty.PropertyKind == EdmPropertyKind.Structural, "edmProperty.PropertyKind == EdmPropertyKind.Structural");
                                    Debug.Assert(edmProperty.Type.TypeKind() == EdmTypeKind.Primitive, "edmProperty.Type.TypeKind() == EdmTypeKind.Primitive");
                                    loadedKeyProperties.Add((IEdmStructuralProperty)edmProperty);
                                }
                            }

                            // Now add properties to the entityType.
                            foreach (IEdmProperty property in loadedProperties)
                            {
                                entityType.AddProperty(property);
                            }

                            entityType.AddKeys(loadedKeyProperties);
                        };

                        // Creating an entity type
                        Debug.Assert(edmBaseType == null || edmBaseType.TypeKind == EdmTypeKind.Entity, "baseType == null || baseType.TypeKind == EdmTypeKind.Entity");
                        cachedEdmType = new EdmTypeCacheValue(
                            new EdmEntityTypeWithDelayLoadedProperties(CommonUtil.GetModelTypeNamespace(type), CommonUtil.GetModelTypeName(type), (IEdmEntityType)edmBaseType, c.PlatformHelper.IsAbstract(type), false /*isOpen*/, delayLoadEntityProperties),
                            hasProperties);
                    }
                    else
                    {
                        Action <EdmComplexTypeWithDelayLoadedProperties> delayLoadComplexProperties = (complexType) =>
                        {
                            // Create properties without modifying the complexType.
                            // This will leave complexType intact in case of an exception during loading.
                            List <IEdmProperty> loadedProperties = new List <IEdmProperty>();
                            foreach (PropertyInfo property in ClientTypeUtil.GetPropertiesOnType(type, /*declaredOnly*/ edmBaseType != null).OrderBy(p => p.Name))
                            {
                                IEdmProperty edmProperty = this.CreateEdmProperty(complexType, property);
                                loadedProperties.Add(edmProperty);
                            }

                            // Now add properties to the complexType.
                            foreach (IEdmProperty property in loadedProperties)
                            {
                                complexType.AddProperty(property);
                            }
                        };

                        // Creating a complex type
                        Debug.Assert(edmBaseType == null || edmBaseType.TypeKind == EdmTypeKind.Complex, "baseType == null || baseType.TypeKind == EdmTypeKind.Complex");
                        cachedEdmType = new EdmTypeCacheValue(
                            new EdmComplexTypeWithDelayLoadedProperties(CommonUtil.GetModelTypeNamespace(type), CommonUtil.GetModelTypeName(type), (IEdmComplexType)edmBaseType, c.PlatformHelper.IsAbstract(type), delayLoadComplexProperties),
                            hasProperties);
                    }
                }

                Debug.Assert(cachedEdmType != null, "cachedEdmType != null");

                IEdmType             edmType = cachedEdmType.EdmType;
                ClientTypeAnnotation clientTypeAnnotation = this.GetOrCreateClientTypeAnnotation(edmType, type);
                this.SetClientTypeAnnotation(edmType, clientTypeAnnotation);

                if (edmType.TypeKind == EdmTypeKind.Entity || edmType.TypeKind == EdmTypeKind.Complex)
                {
                    IEdmStructuredType edmStructuredType = edmType as IEdmStructuredType;
                    Debug.Assert(edmStructuredType != null, "edmStructuredType != null");
                    this.SetMimeTypeForProperties(edmStructuredType);
                }

                // Need to cache the type before loading the properties so we don't stack overflow because
                // loading the property can trigger calls to GetOrCreateEdmType on the same type.
                lock (this.clrToEdmTypeCache)
                {
                    EdmTypeCacheValue existing;
                    if (this.clrToEdmTypeCache.TryGetValue(type, out existing))
                    {
                        cachedEdmType = existing;
                    }
                    else
                    {
                        this.clrToEdmTypeCache.Add(type, cachedEdmType);
                    }
                }
            }

            return(cachedEdmType);
        }