C# Type.BaseType方法代码示例

        public IEnumerable<PropertyInfo> GetProperties(
            Type type,
            bool declaredOnly,
            IEnumerable<PropertyInfo> explicitlyMappedProperties = null,
            IEnumerable<Type> knownTypes = null,
            bool includePrivate = false)
        {
            DebugCheck.NotNull(type);

            explicitlyMappedProperties = explicitlyMappedProperties ?? Enumerable.Empty<PropertyInfo>();
            knownTypes = knownTypes ?? Enumerable.Empty<Type>();

            ValidatePropertiesForModelVersion(type, explicitlyMappedProperties);

            var propertyInfos
                = from p in declaredOnly ? type.GetDeclaredProperties() : type.GetNonHiddenProperties()
                  where !p.IsStatic() && p.IsValidStructuralProperty()
                  let m = p.Getter()
                  where (includePrivate || (m.IsPublic || explicitlyMappedProperties.Contains(p) || knownTypes.Contains(p.PropertyType)))
                        && (!declaredOnly || type.BaseType().GetInstanceProperties().All(bp => bp.Name != p.Name))
                        && (EdmV3FeaturesSupported || (!IsEnumType(p.PropertyType) && !IsSpatialType(p.PropertyType)))
                        && (Ef6FeaturesSupported || !p.PropertyType.IsNested)
                  select p;

            return propertyInfos;
        }

        private bool TryCreateStructuralType(Type type, StructuralType cspaceType, out EdmType newOSpaceType)
        {
            DebugCheck.NotNull(type);
            DebugCheck.NotNull(cspaceType);

            var referenceResolutionListForCurrentType = new List<Action>();
            newOSpaceType = null;

            StructuralType ospaceType;
            if (Helper.IsEntityType(cspaceType))
            {
                ospaceType = new ClrEntityType(type, cspaceType.NamespaceName, cspaceType.Name);
            }
            else
            {
                Debug.Assert(Helper.IsComplexType(cspaceType), "Invalid type attribute encountered");
                ospaceType = new ClrComplexType(type, cspaceType.NamespaceName, cspaceType.Name);
            }

            if (cspaceType.BaseType != null)
            {
                if (TypesMatchByConvention(type.BaseType(), cspaceType.BaseType))
                {
                    TrackClosure(type.BaseType());
                    referenceResolutionListForCurrentType.Add(
                        () => ospaceType.BaseType = ResolveBaseType((StructuralType)cspaceType.BaseType, type));
                }
                else
                {
                    var message = Strings.Validator_OSpace_Convention_BaseTypeIncompatible(
                        type.BaseType().FullName, type.FullName, cspaceType.BaseType.FullName);
                    LogLoadMessage(message, cspaceType);
                    return false;
                }
            }

            // Load the properties for this type
            if (!TryCreateMembers(type, cspaceType, ospaceType, referenceResolutionListForCurrentType))
            {
                return false;
            }

            // Add this to the known type map so we won't try to load it again
            LoadedTypes.Add(type.FullName, ospaceType);

            // we only add the referenceResolution to the list unless we structrually matched this type
            foreach (var referenceResolution in referenceResolutionListForCurrentType)
            {
                ReferenceResolutions.Add(referenceResolution);
            }

            newOSpaceType = ospaceType;
            return true;
        }

 static Type FindGenericType(Type generic, Type type)
 {
     while (type != null && type != typeof(object))
     {
         if (type.IsGenericType() && type.GetGenericTypeDefinition() == generic)
             return type;
         if (generic.IsInterface())
         {
             foreach (Type intfType in type.GetInterfaces())
             {
                 Type found = FindGenericType(generic, intfType);
                 if (found != null) return found;
             }
         }
         type = type.BaseType();
     }
     return null;
 }

 static IEnumerable<Type> SelfAndBaseClasses(Type type)
 {
     while (type != null)
     {
         yield return type;
         type = type.BaseType();
     }
 }

        // <summary>
        // Load metadata of the given type - when you call this method, you should check and make sure that the type has
        // edm attribute. If it doesn't,we won't load the type and it will be returned as null
        // </summary>
        private void LoadType(Type clrType)
        {
            Debug.Assert(clrType.Assembly() == SourceAssembly, "Why are we loading a type that is not in our assembly?");
            Debug.Assert(!SessionData.TypesInLoading.ContainsKey(clrType.FullName), "Trying to load a type that is already loaded???");
            Debug.Assert(!clrType.IsGenericType(), "Generic type is not supported");

            EdmType edmType = null;

            var typeAttributes = clrType.GetCustomAttributes<EdmTypeAttribute>(inherit: false);

            // the CLR doesn't allow types to have duplicate/multiple attribute declarations

            if (typeAttributes.Any())
            {
                if (clrType.IsNested)
                {
                    SessionData.EdmItemErrors.Add(
                        new EdmItemError(Strings.NestedClassNotSupported(clrType.FullName, clrType.Assembly().FullName)));
                    return;
                }
                var typeAttribute = typeAttributes.First();
                var cspaceTypeName = String.IsNullOrEmpty(typeAttribute.Name) ? clrType.Name : typeAttribute.Name;
                if (String.IsNullOrEmpty(typeAttribute.NamespaceName)
                    && clrType.Namespace == null)
                {
                    SessionData.EdmItemErrors.Add(new EdmItemError(Strings.Validator_TypeHasNoNamespace));
                    return;
                }

                var cspaceNamespaceName = String.IsNullOrEmpty(typeAttribute.NamespaceName)
                                              ? clrType.Namespace
                                              : typeAttribute.NamespaceName;

                if (typeAttribute.GetType() == typeof(EdmEntityTypeAttribute))
                {
                    edmType = new ClrEntityType(clrType, cspaceNamespaceName, cspaceTypeName);
                }
                else if (typeAttribute.GetType() == typeof(EdmComplexTypeAttribute))
                {
                    edmType = new ClrComplexType(clrType, cspaceNamespaceName, cspaceTypeName);
                }
                else
                {
                    Debug.Assert(typeAttribute is EdmEnumTypeAttribute, "Invalid type attribute encountered");

                    // Note that TryGetPrimitiveType() will return false not only for types that are not primitive 
                    // but also for CLR primitive types that are valid underlying enum types in CLR but are not 
                    // a valid Edm primitive types (e.g. ulong) 
                    PrimitiveType underlyingEnumType;
                    if (!ClrProviderManifest.Instance.TryGetPrimitiveType(clrType.GetEnumUnderlyingType(), out underlyingEnumType))
                    {
                        SessionData.EdmItemErrors.Add(
                            new EdmItemError(
                                Strings.Validator_UnsupportedEnumUnderlyingType(clrType.GetEnumUnderlyingType().FullName)));

                        return;
                    }

                    edmType = new ClrEnumType(clrType, cspaceNamespaceName, cspaceTypeName);
                }
            }
            else
            {
                // not a type we are interested
                return;
            }

            Debug.Assert(
                !CacheEntry.ContainsType(edmType.Identity), "This type must not be already present in the list of types for this assembly");
            // Also add this to the list of the types for this assembly
            CacheEntry.TypesInAssembly.Add(edmType);

            // Add this to the known type map so we won't try to load it again
            SessionData.TypesInLoading.Add(clrType.FullName, edmType);

            // Load properties for structural type
            if (Helper.IsStructuralType(edmType))
            {
                //Load base type only for entity type - not sure if we will allow complex type inheritance
                if (Helper.IsEntityType(edmType))
                {
                    TrackClosure(clrType.BaseType());
                    AddTypeResolver(
                        () => edmType.BaseType = ResolveBaseType(clrType.BaseType()));
                }

                // Load the properties for this type
                LoadPropertiesFromType((StructuralType)edmType);
            }

            return;
        }