private ArrayList<String> fillRelDetails(final Relation r, Model model){

		final String id = r.getIdentifier();
		final String classe = r.getClass().getName() ;
		final String role1 = r.getRole1().getIdentifier() ;
		final String role2 = r.getRole2().getIdentifier();
		final String mult1 = r.getRole1().getMultiplicity();
		final String mult2 = r.getRole2().getMultiplicity();
		final ArrayList<String> reList = new ArrayList<String>() ;

		reList.add(classe + "\t"+ id);
		reList.add("\t ROLES");
		reList.add("\t\t CLASS\t" + role1 + "\t" + mult1);
		reList.add("\t\t CLASS\t" + role2 + "\t" + mult2);
		detailsJL.setListData(reList.toArray());
		return reList;
	}