Using EMF, I\'d like to define an attribute whose data type (EType) is external to my EMF model. That is, the type I want is a normal hand-coded Java class that is not part of m
Assuming you're using Xcore as your modelling language, then use
import java.util.Date ... type Date wraps Date
Now Date can be used as a data type for attributes in line with String and int.
Date
String
int
You do the same with Ecore, except that you don't have to explicitly import the type first - e.g.