public EFColumnProvider(EntityType entityType, EFTableProvider table, EdmMember m, bool isPrimaryKey) : base(table) { EdmMember = m; IsPrimaryKey = isPrimaryKey; _table = table; MaxLength = 0; Name = EdmMember.Name; // IsCustomProperty = false; // var property = EdmMember as EdmProperty; if (property != null) { IsForeignKeyComponent = DetermineIsForeignKeyComponent(property); IsGenerated = IsServerGenerated(property); } ProcessFacets(); var navProp = m as NavigationProperty; if (navProp != null) { _isAssociation = true; long key = EFAssociationProvider.BuildRelationshipKey(entityType, navProp.FromEndMember); ((EFDataModelProvider)table.DataModel).RelationshipEndLookup[key] = this; } }
private bool DetermineIsForeignKeyComponent(EdmProperty property) { var navigationProperties = property.DeclaringType.Members.OfType <NavigationProperty>(); // Look at all NavigationProperties (i.e. strongly-type relationship columns) of the table this column belong to and // see if there is a foreign key that matches this property // If this is a 1 to 0..1 relationship and we are processing the more primary side. i.e in the Student in Student-StudentDetail // and this is the primary key we don't want to check the relationship type since if there are no constraints we will treat the primary key as a foreign key. return(navigationProperties.Any(n => EFAssociationProvider.GetDependentPropertyNames(n, !IsPrimaryKey /* checkRelationshipType */).Contains(property.Name))); }