private static IEdmPrimitiveTypeReference Nullable(this IEdmPrimitiveTypeReference typeReference, bool isNullable)
{
if (typeReference.IsBinary())
{
var binary = typeReference.AsBinary();
return(new EdmBinaryTypeReference(typeReference.PrimitiveDefinition(), isNullable, binary.IsUnbounded, binary.MaxLength));
}
else if (typeReference.IsDecimal())
{
var decimalRef = typeReference.AsDecimal();
return(new EdmDecimalTypeReference(typeReference.PrimitiveDefinition(), isNullable, decimalRef.Precision, decimalRef.Scale));
}
else if (typeReference.IsTemporal())
{
var temporal = typeReference.AsTemporal();
return(new EdmTemporalTypeReference(typeReference.PrimitiveDefinition(), isNullable, temporal.Precision));
}
else if (typeReference.IsString())
{
var stringRef = typeReference.AsString();
return(new EdmStringTypeReference(typeReference.PrimitiveDefinition(), isNullable, stringRef.IsUnbounded, stringRef.MaxLength, stringRef.IsUnicode));
}
return(new EdmPrimitiveTypeReference(typeReference.PrimitiveDefinition(), isNullable));
}