Suggest about mvp-helpers HOT 5 CLOSED

public class BaseInteractor {

   protected void runInBackground(@NonNull Runnable runnable) {
       Preconditions.checkNotNull(runnable, "Runnable shouldn't be null");
       final ExecutorService executor = Executors.newFixedThreadPoolExecutor(5);
       
       executor.submit(runnable);

       if (!executor.isShutdown()) { 
           executor.shutdown();
       } 
    }
       .....
}

public class BaseInteractor {
    private static final int NUMBER_OF_THREADS = 5;

    private ScheduledExecutorService scheduledExecutor = Executors.newScheduledThreadPool(NUMBER_OF_THREADS);
    private ExecutorService executor = Executors.newFixedThreadPool(NUMBER_OF_THREADS);
    private Handler handler = new Handler(Looper.getMainLooper());

    private ScheduledFuture<?> scheduledFuture;

    protected void runOnUiThread(@NonNull Runnable runnable) {
        Preconditions.checkNotNull(runnable, "runnable shouldn't be null");

        handler.post(runnable);
    }
    
    protected void runOnBackground(@NonNull Runnable runnable) {
        Preconditions.checkNotNull(runnable, "runnable shouldn't be null");

        if (executor.isTerminated()) {
            executor = Executors.newFixedThreadPool(5);
        }

        final Future<?> task = executor.submit(runnable);

        if (task.isDone()) {
            executor.shutdown();
        }
    }

    protected void runScheduledTaskOnBackground(@NonNull Runnable runnable, @NonNull Long time, @NonNull TimeUnit unit) {
        Preconditions.checkNotNull(runnable, "runnable shouldn't be null");
        Preconditions.checkNotNull(time, "time shouldn't be null");
        Preconditions.checkNotNull(unit, "unit shouldn't be null");

        scheduledFuture = scheduledExecutor.schedule(runnable, time, unit);
    }
    
    protected void cancelScheduledTask() {
        if (null != scheduledFuture) {
            scheduledFuture.cancel(true);
        }
    }
}