public static Dictionary <string, string> GetLookupPropertiesMappingDictionary(this Edmx edmx, Type entityClrType)
{
string entityName = entityClrType.Name;
Dictionary <string, string> mappingDictionary = new Dictionary <string, string>();
foreach (NavigationProperty navigationProperty in edmx.GetLookupProperties(entityClrType))
{
string relationship = GetAdjustedText(navigationProperty.Relationship);
string fromRole = navigationProperty.FromRole;
string toRole = navigationProperty.ToRole;
LinqToEdmx.Model.Conceptual.Association association = edmx.GetConceptualAssociation(relationship);
LinqToEdmx.Model.Conceptual.AssociationEnd fromAssociation = edmx.GetConceptualAssociationEnd(relationship, fromRole);
LinqToEdmx.Model.Conceptual.AssociationEnd toAssociation = edmx.GetConceptualAssociationEnd(relationship, toRole);
AssociationSetMapping entityTypesMappingAssociation = edmx.GetMappingAssociationSet(entityName, relationship);
foreach (EndProperty endProperty in entityTypesMappingAssociation.EndProperties)
{
if (endProperty.Name == toRole)
{
string columnName = endProperty.ScalarProperties[0].ColumnName;
mappingDictionary.Add(navigationProperty.Name, columnName);
}
}
}
return(mappingDictionary);
}
public static EndProperty GetParentChildRelationEndProperty(this Edmx edmx, string parentEntityName, string childPropertyName)
{
NavigationProperty navigationProperty = edmx.GetNavigationProperty(parentEntityName, childPropertyName);
string relationship = GetAdjustedText(navigationProperty.Relationship);
string fromRole = navigationProperty.FromRole;
string toRole = navigationProperty.ToRole;
LinqToEdmx.Model.Conceptual.Association association = edmx.GetConceptualAssociation(relationship);
LinqToEdmx.Model.Conceptual.AssociationEnd fromAssociation = edmx.GetConceptualAssociationEnd(relationship, fromRole);
LinqToEdmx.Model.Conceptual.AssociationEnd toAssociation = edmx.GetConceptualAssociationEnd(relationship, toRole);
string childEntityName = GetAdjustedText(toAssociation.Type);
AssociationSetMapping entityTypesMappingAssociation = edmx.GetMappingAssociationSet(childEntityName, relationship);
return(entityTypesMappingAssociation.EndProperties.Where(e => e.Name == fromRole).Single());
}
public static LinqToEdmx.Model.Conceptual.AssociationEnd GetConceptualAssociationEnd(this Edmx edmx, string relationship, string role)
{
LinqToEdmx.Model.Conceptual.Association association = edmx.GetConceptualAssociation(relationship);
return(association.Ends.Where(e => e.Role == role).Single());
}
