@Override public void subscribeTags(Set<Long> tagIds){
  ExecutorService executorService=Executors.newSingleThreadExecutor();
  executorService.execute(new AsyncTagSubscriptionTask(tagIds));
}

@ Override public void subscribeTags ( Set < Long > tagIds ) { ExecutorService executorService = Executors . newSingleThreadExecutor ( ) ; executorService . execute ( new AsyncTagSubscriptionTask ( tagIds ) ) ; }
subscribes to the tag value update topic and requests the values once again , in a separate thread .
