final Stopwatch stopwatch = new Stopwatch().start();
injector.getDispatcher().execute(action,
new AsyncCallback<GetDocumentListResult>() {
@Override
public void onFailure(Throwable caught) {
eventBus.fireEvent(new NotificationEvent(
NotificationEvent.Severity.Error,
"Failed to load documents"));
documentListPresenter.showLoading(false);
stopwatch.stop();
}