if (getAttributeInfo().valueType == ValueTypeEnum.SINGLE)
backrefMod = new Modifier(ModifyTypeEnum.SET,mod,referrer);
else
backrefMod = new Modifier(ModifyTypeEnum.ADD,mod,referrer);
obj.addBackref(backrefMod);
//System.out.println("Resolved ref " + ref.getObjectName().getNameString() + " hash = " + System.identityHashCode(ref));
// And tell the reference it's back reference modifier
ref.setBackrefModifier(backrefMod);
}