public static List <EdmProperty> GetKeyProperties(this EntityType entityType)
{
HashSet <EntityType> visitedTypes = new HashSet <EntityType>();
List <EdmProperty> keyProperties = new List <EdmProperty>();
EntityTypeExtensions.GetKeyProperties(visitedTypes, entityType, keyProperties);
return(keyProperties);
}
public static System.Data.Entity.Core.Metadata.Edm.EntityType GetEntityType(
this EdmModel model,
Type clrType)
{
IList <System.Data.Entity.Core.Metadata.Edm.EntityType> entityTypeList = model.EntityTypes as IList <System.Data.Entity.Core.Metadata.Edm.EntityType> ?? (IList <System.Data.Entity.Core.Metadata.Edm.EntityType>)model.EntityTypes.ToList <System.Data.Entity.Core.Metadata.Edm.EntityType>();
for (int index = 0; index < entityTypeList.Count; ++index)
{
System.Data.Entity.Core.Metadata.Edm.EntityType entityType = entityTypeList[index];
if (EntityTypeExtensions.GetClrType(entityType) == clrType)
{
return(entityType);
}
}
return((System.Data.Entity.Core.Metadata.Edm.EntityType)null);
}
public static Type GetClrType(this EdmType item)
{
EntityType entityType = item as EntityType;
if (entityType != null)
{
return(EntityTypeExtensions.GetClrType(entityType));
}
EnumType enumType = item as EnumType;
if (enumType != null)
{
return(EnumTypeExtensions.GetClrType(enumType));
}
ComplexType complexType = item as ComplexType;
if (complexType != null)
{
return(ComplexTypeExtensions.GetClrType(complexType));
}
return((Type)null);
}
private static void GetKeyProperties(
HashSet <EntityType> visitedTypes,
EntityType visitingType,
List <EdmProperty> keyProperties)
{
if (visitedTypes.Contains(visitingType))
{
return;
}
visitedTypes.Add(visitingType);
if (visitingType.BaseType != null)
{
EntityTypeExtensions.GetKeyProperties(visitedTypes, (EntityType)visitingType.BaseType, keyProperties);
}
else
{
ReadOnlyMetadataCollection <EdmProperty> keyProperties1 = visitingType.KeyProperties;
if (keyProperties1.Count <= 0)
{
return;
}
keyProperties.AddRange((IEnumerable <EdmProperty>)keyProperties1);
}
}
public static IEnumerable <Type> GetClrTypes(this EdmModel model)
{
return(model.EntityTypes.Select <System.Data.Entity.Core.Metadata.Edm.EntityType, Type>((Func <System.Data.Entity.Core.Metadata.Edm.EntityType, Type>)(e => EntityTypeExtensions.GetClrType(e))).Union <Type>(model.ComplexTypes.Select <ComplexType, Type>((Func <ComplexType, Type>)(ct => ComplexTypeExtensions.GetClrType(ct)))));
}
