コード例 #1
0
        /// <summary>
        /// Binds the given navigation property to the target navigation source.
        /// </summary>
        /// <param name="navigationConfiguration">The navigation property.</param>
        /// <param name="targetNavigationSource">The target navigation source.</param>
        /// <returns>The <see cref="NavigationPropertyBindingConfiguration"/> so that it can be further configured.</returns>
        public virtual NavigationPropertyBindingConfiguration AddBinding(NavigationPropertyConfiguration navigationConfiguration,
                                                                         INavigationSourceConfiguration targetNavigationSource)
        {
            if (navigationConfiguration == null)
            {
                throw Error.ArgumentNull("navigationConfiguration");
            }

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

            EntityTypeConfiguration declaringEntityType = navigationConfiguration.DeclaringEntityType;

            if (!(declaringEntityType.IsAssignableFrom(EntityType) || EntityType.IsAssignableFrom(declaringEntityType)))
            {
                throw Error.Argument("navigationConfiguration", SRResources.NavigationPropertyNotInHierarchy,
                                     declaringEntityType.FullName, EntityType.FullName, Name);
            }

            NavigationPropertyBindingConfiguration navigationPropertyBinding;

            if (_navigationPropertyBindings.TryGetValue(navigationConfiguration, out navigationPropertyBinding))
            {
                if (navigationPropertyBinding.TargetNavigationSource != targetNavigationSource)
                {
                    throw Error.NotSupported(SRResources.RebindingNotSupported);
                }
            }
            else
            {
                navigationPropertyBinding = new NavigationPropertyBindingConfiguration(navigationConfiguration, targetNavigationSource);
                _navigationPropertyBindings[navigationConfiguration] = navigationPropertyBinding;
            }

            return(navigationPropertyBinding);
        }
コード例 #2
0
        /// <summary>
        /// Configures the navigation link for the given navigation property for this navigation source.
        /// </summary>
        /// <param name="navigationProperty">The navigation property for which the navigation link is being generated.</param>
        /// <param name="navigationLinkBuilder">The builder used to generate the navigation link.</param>
        /// <returns>Returns itself so that multiple calls can be chained.</returns>
        public virtual INavigationSourceConfiguration HasNavigationPropertyLink(NavigationPropertyConfiguration navigationProperty,
                                                                                NavigationLinkBuilder navigationLinkBuilder)
        {
            if (navigationProperty == null)
            {
                throw Error.ArgumentNull("navigationProperty");
            }

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

            EntityTypeConfiguration declaringEntityType = navigationProperty.DeclaringEntityType;

            if (!(declaringEntityType.IsAssignableFrom(EntityType) || EntityType.IsAssignableFrom(declaringEntityType)))
            {
                throw Error.Argument("navigationProperty", SRResources.NavigationPropertyNotInHierarchy,
                                     declaringEntityType.FullName, EntityType.FullName, Name);
            }

            _navigationPropertyLinkBuilders[navigationProperty] = navigationLinkBuilder;
            return(this);
        }