public NavigationPropertyBindingConfiguration HasSingletonBinding <TTargetType, TDerivedEntityType>(
            Expression <Func <TDerivedEntityType, TTargetType> > navigationExpression,
            NavigationSourceConfiguration <TTargetType> targetSingleton)
            where TTargetType : class
            where TDerivedEntityType : class, TEntityType
        {
            if (navigationExpression == null)
            {
                throw Error.ArgumentNull("navigationExpression");
            }

            if (targetSingleton == null)
            {
                throw Error.ArgumentNull("targetSingleton");
            }

            EntityTypeConfiguration <TDerivedEntityType> derivedEntityType =
                this._modelBuilder.EntityType <TDerivedEntityType>().DerivesFrom <TEntityType>();

            NavigationPropertyConfiguration navigation = derivedEntityType.HasRequired(navigationExpression);
            IList <MemberInfo> bindingPath             = new List <MemberInfo>
            {
                typeof(TDerivedEntityType),
                navigation.PropertyInfo
            };

            return(this.Configuration.AddBinding(navigation, targetSingleton.Configuration, bindingPath));
        }
        public NavigationPropertyBindingConfiguration HasRequiredBinding <TTargetType, TDerivedEntityType>(
            Expression <Func <TDerivedEntityType, TTargetType> > navigationExpression, string entitySetName)
            where TTargetType : class
            where TDerivedEntityType : class, TEntityType
        {
            if (navigationExpression == null)
            {
                throw Error.ArgumentNull("navigationExpression");
            }

            if (String.IsNullOrEmpty(entitySetName))
            {
                throw Error.ArgumentNullOrEmpty("entitySetName");
            }

            EntityTypeConfiguration <TDerivedEntityType> derivedEntityType =
                this._modelBuilder.EntityType <TDerivedEntityType>().DerivesFrom <TEntityType>();

            NavigationPropertyConfiguration navigation = derivedEntityType.HasRequired(navigationExpression);
            IList <MemberInfo> bindingPath             = new List <MemberInfo>
            {
                typeof(TDerivedEntityType),
                navigation.PropertyInfo
            };

            return(this.Configuration.AddBinding(navigation,
                                                 this._modelBuilder.EntitySet <TTargetType>(entitySetName).Configuration, bindingPath));
        }