/// <summary>
        /// Fills in the given type declaration based on the given metadata
        /// </summary>
        /// <param name="entityType">The entity type's metadata</param>
        /// <param name="entityTypeClass">The type declaration</param>
        protected override void DeclareEntityType(EntityType entityType, CodeTypeDeclaration entityTypeClass)
        {
            entityTypeClass.IsPartial = true;
            entityTypeClass.IsClass = true;

            if (entityType.IsAbstract)
            {
                entityTypeClass.SetAbstract();
            }

            if (entityType.BaseType != null)
            {
                entityTypeClass.BaseTypes.Add(entityType.BaseType.FullName);
            }

            // Add public constructor for this type
            var constructor = entityTypeClass.AddConstructor();

            // Declare all members that are declared
            foreach (MemberProperty memberProperty in entityType.Properties)
            {
                this.DeclareMemberProperty(memberProperty, entityTypeClass);
                this.DeclareOptionalPropertyInitializer(memberProperty, constructor);
            }

            // Declare all members that are declared
            foreach (NavigationProperty navigationProperty in entityType.NavigationProperties)
            {
                this.DeclareNavigationProperty(navigationProperty, entityTypeClass);
                this.DeclareOptionalPropertyInitializer(navigationProperty, constructor);
            }

            this.GenerateAttributes(entityType, entityTypeClass);
        }
        /// <summary>
        /// Builds a code representation of an <see cref="EntityType"/>.
        /// </summary>
        /// <param name="type">The <see cref="EntityType"/> from which to generate code.</param>
        /// <returns>A <see cref="CodeTypeDeclaration"/> which represents the <see cref="EntityType"/>.</returns>
        protected virtual CodeTypeDeclaration BuildType(EntityType type)
        {
            var codeClass = new CodeTypeDeclaration(type.Name);
            var defaultConstructor = codeClass.AddConstructor();

            ApplyTypeAccessModifier(codeClass, type.Annotations.OfType<TypeAccessModifierAnnotation>().SingleOrDefault());

            if (type.Annotations.Any(a => a is SerializableAnnotation))
            {
                codeClass.AddCustomAttribute(typeof(SerializableAttribute));
            }

            if (type.Annotations.Any(a => a is CodeAttributeAnnotation))
            {
                this.AddCodeAttributeAnnotationAsCustomAttribute(codeClass, type.Annotations.OfType<CodeAttributeAnnotation>());
            }

            var genericTypeAnnotation = type.Annotations.OfType<GenericTypeAnnotation>().FirstOrDefault();
            if (genericTypeAnnotation != null)
            {
                foreach (var typeParameter in genericTypeAnnotation.TypeParameters)
                {
                    codeClass.TypeParameters.Add(new CodeTypeParameter(typeParameter));
                }
            }

            if (type.BaseType != null)
            {
                var baseType = new CodeTypeReference(type.BaseType.FullName);

                var baseGenericTypeAnnotation = type.BaseType.Annotations.OfType<GenericTypeAnnotation>().SingleOrDefault();
                var genericArgumentsAnnotation = type.Annotations.OfType<GenericArgumentsAnnotation>().SingleOrDefault();
                if (genericArgumentsAnnotation != null)
                {
                    foreach (var typeParameter in baseGenericTypeAnnotation.TypeParameters)
                    {
                        var typeRef = Code.TypeRef(typeParameter);
                        var argument = genericArgumentsAnnotation.GenericArguments.SingleOrDefault(g => g.TypeParameterName == typeParameter);
                        if (argument != null)
                        {
                            typeRef = codeTypeReferenceResolver.Resolve(argument.DataType);
                        }
                        else
                        {
                            if (genericTypeAnnotation == null || !genericTypeAnnotation.TypeParameters.Contains(typeParameter))
                            {
                                throw new TaupoArgumentException(
                                    string.Format(
                                        CultureInfo.InvariantCulture,
                                        "Entity type {0} cannot derive from entity type {1} because it does not specify a {2} or {3} to fill in {1}'s generic parameter {4}.",
                                        type.Name,
                                        type.BaseType.Name,
                                        typeof(GenericTypeAnnotation).Name,
                                        typeof(GenericArgumentsAnnotation).Name,
                                        typeParameter));
                            }
                        }

                        baseType.TypeArguments.Add(typeRef);
                    }
                }
                else
                {
                    if (baseGenericTypeAnnotation != null)
                    {
                        throw new TaupoArgumentException(
                            string.Format(
                                CultureInfo.InvariantCulture,
                                "Entity type {0} cannot derive from entity type {1} because it does not specify a {2} or {3} to fill in {1}'s generic parameter {4}.",
                                type.Name,
                                type.BaseType.Name,
                                typeof(GenericTypeAnnotation).Name,
                                typeof(GenericArgumentsAnnotation).Name,
                                baseGenericTypeAnnotation.TypeParameters.First()));
                    }
                }

                codeClass.InheritsFrom(baseType);
            }

            if (type.IsAbstract)
            {
                codeClass.SetAbstract();
            }

            this.AddProperties(codeClass, type);
            this.AddNavigationProperties(codeClass, type, defaultConstructor);

            return codeClass;
        }