public void updateTargetToModel() {
final IObservableSet targetSet = (IObservableSet) getTarget();
targetSet.getRealm().exec(new Runnable() {
public void run() {
SetDiff diff = Diffs.computeSetDiff(Collections.EMPTY_SET,
targetSet);
doUpdate(targetSet, (IObservableSet) getModel(), diff,
targetToModel, true, true);
}
});