List all running/queued threads in ThreadPoolTaskExecutor

Question

I use a ThreadPoolTaskExecutor in Spring to schedule my tasks.

Is there a way to get a list or something of every running and queued thread of that task executor/pool?

Answer 1

Maybe not very elegant, but this way I can get all threads from a known Executor (using the startsWith() prefix).

Set<Thread> threadSet = Thread.getAllStackTraces().keySet();
for (Thread thread : threadSet) {
  if (thread.getName().startsWith("MyExecutor")) {
  System.out.println(thread.getName() + " " + thread.getState());
    for (StackTraceElement s : thread.getStackTrace()) {
      System.out.println(s);
    }
  }
}

Thanks to Surveon for his hint, I upvoted for his approch to get the queued threads.