Exemplo n.º 1
0
        public ReflectedType(Type type)
        {
            UnderlyingType = type;
            TypeName       = type.GetFriendlyName();
            FullTypeName   = type.FullName;
            var interfaceType = Reflector.GetInterface(type);

            if (interfaceType != null)
            {
                InterfaceType     = interfaceType;
                InterfaceTypeName = interfaceType.FullName;
            }
            IsArray      = type.IsArray;
            IsList       = Reflector.IsList(type);
            IsDictionary = Reflector.IsDictionary(type);
            IsSimpleList = Reflector.IsSimpleList(type);
            IsDataEntity = Reflector.IsDataEntity(type) || (!Reflector.IsSimpleType(type) && !IsArray && !IsList && !IsDictionary);
            Type elementType;

            IsDataEntityList = Reflector.IsDataEntityList(type, out elementType);
            ElementType      = elementType;
            if (IsDataEntityList)
            {
                IsPolymorphicList = elementType != null && elementType.IsAbstract && (!elementType.IsInterface || !Reflector.IsDataEntity(elementType));
                IsListInterface   = type.GetGenericTypeDefinition() == typeof(IList <>);
            }
            IsSimpleType      = Reflector.IsSimpleType(type);
            IsNullableType    = Reflector.IsNullableType(type);
            IsMarkerInterface = Reflector.IsMarkerInterface(type);
            HashCode          = type.GetHashCode();
            IsGenericType     = type.IsGenericType;
            IsInterface       = type.IsInterface;
            IsAnonymous       = Reflector.IsAnonymousType(type);
            IsEmitted         = Reflector.IsEmitted(type);
        }
Exemplo n.º 2
0
        public ReflectedProperty(PropertyInfo property, int position = -1, bool readAttributes = true)
        {
            PropertyName   = property.Name;
            PropertyType   = property.PropertyType;
            IsPersistent   = true;
            IsSelectable   = true;
            IsSerializable = true;
            IsBinary       = property.PropertyType == typeof(byte[]);
            IsSimpleList   = !IsBinary && Reflector.IsSimpleList(property.PropertyType);
            IsDataEntity   = Reflector.IsDataEntity(property.PropertyType);

            Type elementType;

            IsDataEntityList  = Reflector.IsDataEntityList(property.PropertyType, out elementType);
            ElementType       = elementType;
            IsPolymorphicList = IsDataEntityList && elementType != null && elementType.IsAbstract && !elementType.IsInterface;

            if (IsDataEntityList)
            {
                IsList          = true;
                IsListInterface = property.PropertyType.GetGenericTypeDefinition() == typeof(IList <>);
            }
            else
            {
                IsList = !IsBinary && Reflector.IsList(property.PropertyType);
                if (IsList)
                {
                    ElementType     = Reflector.GetElementType(property.PropertyType);
                    IsListInterface = property.PropertyType.GetGenericTypeDefinition() == typeof(IList <>);
                }
            }

            IsSimpleType   = !IsBinary && Reflector.IsSimpleType(property.PropertyType);
            IsNullableType = Reflector.IsNullableType(property.PropertyType);
            CanWrite       = property.CanWrite;
            CanRead        = property.CanRead;
            Position       = position;
            IsObject       = IsDataEntity || (property.PropertyType.IsClass && !IsSimpleType && !IsSimpleList && !IsBinary && !IsList);
            IsObjectList   = IsDataEntityList || (IsList && ElementType != null && ElementType.IsClass && !Reflector.IsSimpleType(ElementType) && !Reflector.IsSimpleList(ElementType));

            Converter = null;

            MappedColumnName = property.Name;

            if (readAttributes)
            {
                if (IsListInterface)
                {
                    Sorted   = property.GetCustomAttributes(typeof(SortedAttribute), false).Cast <SortedAttribute>().FirstOrDefault();
                    Distinct = property.GetCustomAttributes(typeof(DistinctAttribute), false).Cast <DistinctAttribute>().FirstOrDefault();
                }

                MappedColumnName   = MapColumnAttribute.GetMappedColumnName(property);
                MappedPropertyName = MapPropertyAttribute.GetMappedPropertyName(property);

                var typeConverter = TypeConverterAttribute.GetTypeConverter(property);
                if (typeConverter != null)
                {
                    AddConverter(typeConverter.TypeConverterType);
                }

                var items = property.GetCustomAttributes(true).OfType <PropertyAttribute>();
                foreach (var item in items)
                {
                    var primaryKeyAttribute = item as PrimaryKeyAttribute;
                    if (primaryKeyAttribute != null)
                    {
                        IsPrimaryKey = true;
                        KeyPosition  = primaryKeyAttribute.Position;
                    }
                    else
                    {
                        var generategAttribute = item as Generate.UsingAttribute;
                        if (generategAttribute != null)
                        {
                            Generator = generategAttribute.Type;
                        }
                        else if (item is Generate.NativeAttribute)
                        {
                            IsAutoGenerated = true;
                        }
                        else
                        {
                            var referencesAttribute = item as ReferencesAttribute;
                            if (referencesAttribute != null)
                            {
                                Parent      = referencesAttribute.Parent;
                                RefPosition = referencesAttribute.Position;
                            }
                            else
                            {
                                var parameterAttribute = item as ParameterAttribute;
                                if (parameterAttribute != null)
                                {
                                    ParameterName = parameterAttribute.Name;
                                    Direction     = parameterAttribute.Direction;
                                }
                                else if (item is DoNotPersistAttribute)
                                {
                                    IsPersistent = false;
                                }
                                else if (item is DoNotSelectAttribute)
                                {
                                    IsSelectable = false;
                                }
                                else if (item is DoNotSerializeAttribute)
                                {
                                    IsSerializable = false;
                                }
                            }
                        }
                    }
                }
            }
        }
Exemplo n.º 3
0
        private static void DefineGuardedProperty(PropertyInfo property, TypeBuilder typeBuilder, FieldInfo field, Type objectType, bool ignoreMappings, IEntityMap entityMap)
        {
            // create the new property.
            var propertyBuilder = typeBuilder.DefineProperty(property.Name, System.Reflection.PropertyAttributes.HasDefault, property.PropertyType, null);

            // The property "set" and property "get" methods require a special set of attributes.
            //var getSetAttr = MethodAttributes.Public | MethodAttributes.SpecialName | MethodAttributes.HideBySig | MethodAttributes.Virtual;
            var getSetAttr = MethodAttributes.Private | MethodAttributes.HideBySig | MethodAttributes.NewSlot | MethodAttributes.Virtual | MethodAttributes.Final | MethodAttributes.SpecialName;
            var columnName = MappingFactory.GetPropertyOrColumnName(property, ignoreMappings, entityMap, true);

            // create the getter if we can read.
            if (property.CanRead)
            {
                // create the get method for the property.
                var getMethodName = "get_" + property.Name;
                var getMethod     = typeBuilder.DefineMethod(getMethodName, getSetAttr, property.PropertyType, Type.EmptyTypes);

                // get the IL generator to generate the required IL.
                ILGenerator il = getMethod.GetILGenerator();

                // directly call the inner object's get method of the property.
                Type elementType;
                if (Reflector.IsDataEntityList(property.PropertyType, out elementType))
                {
                    var isInterface      = property.PropertyType.GetGenericTypeDefinition() == typeof(IList <>);
                    var asReadOnlyMethod = typeof(ObjectExtensions).GetMethods(BindingFlags.Public | BindingFlags.Static).Where(m => m.Name == "AsReadOnly").First(m => m.GetParameters()[0].ParameterType.Name == (isInterface ? "IList`1" : "List`1"));

                    var result = il.DeclareLocal(property.PropertyType);

                    // load the first argument (the instance itself) and the field.
                    il.Emit(OpCodes.Ldarg_0);
                    il.Emit(OpCodes.Ldfld, field);
                    il.EmitCall(OpCodes.Callvirt, property.GetGetMethod(), null);

                    il.Emit(OpCodes.Call, asReadOnlyMethod.MakeGenericMethod(elementType));

                    il.Emit(OpCodes.Stloc_0, result);
                    il.Emit(OpCodes.Ldloc_0);
                }
                else if (Reflector.IsDataEntity(property.PropertyType))
                {
                    var asReadOnlyMethod = typeof(ObjectExtensions).GetMethods(BindingFlags.Public | BindingFlags.Static).Where(m => m.Name == "AsReadOnly").First(m => m.GetParameters()[0].ParameterType.IsGenericParameter);

                    var result = il.DeclareLocal(property.PropertyType);

                    // load the first argument (the instance itself) and the field.
                    il.Emit(OpCodes.Ldarg_0);
                    il.Emit(OpCodes.Ldfld, field);
                    il.EmitCall(OpCodes.Callvirt, property.GetGetMethod(), null);

                    il.Emit(OpCodes.Call, asReadOnlyMethod.MakeGenericMethod(property.PropertyType));

                    il.Emit(OpCodes.Stloc_0, result);
                    il.Emit(OpCodes.Ldloc_0);
                }
                else if (property.DeclaringType.InheritsFrom(typeof(ITrackableDataEntity)) && property.PropertyType == typeof(ObjectState) && property.Name == "ObjectState")
                {
                    il.Emit(OpCodes.Ldc_I4, (int)ObjectState.ReadOnly);
                }
                else
                {
                    // load the first argument (the instance itself) and the field.
                    il.Emit(OpCodes.Ldarg_0);
                    il.Emit(OpCodes.Ldfld, field);
                    il.EmitCall(OpCodes.Callvirt, property.GetGetMethod(), null);
                }

                il.Emit(OpCodes.Ret);

                // set the method.
                propertyBuilder.SetGetMethod(getMethod);
                typeBuilder.DefineMethodOverride(getMethod, property.ReflectedType.GetMethod(getMethodName));
            }

            // create the setter if we can read.
            if (property.CanWrite)
            {
                // create the set method of the property.
                var setMethodName = "set_" + property.Name;
                var setMethod     = typeBuilder.DefineMethod(setMethodName, getSetAttr, null, new Type[] { property.PropertyType });

                // get the IL generator to generate some IL.
                ILGenerator il = setMethod.GetILGenerator();

                // load the first argument (instance itself) and the field.
                il.Emit(OpCodes.Newobj, typeof(NotSupportedException).GetConstructor(Type.EmptyTypes));
                il.Emit(OpCodes.Throw);

                propertyBuilder.SetSetMethod(setMethod);
                typeBuilder.DefineMethodOverride(setMethod, property.ReflectedType.GetMethod(setMethodName));
            }
        }