How to use

destroy

method

in

leap.lang.io.FileChangeObserver

/**
 * Stop monitoring.
 *
 * @param stopInterval the amount of time in milliseconds to wait for the thread to finish.
 * A value of zero will wait until the thread is finished (see {@link Thread#join(long)}).
 * @throws Exception if an error occurs initializing the observer
 * @since 2.1
 */
public synchronized void stop(long stopInterval) throws Exception {
  if (running == false) {
    throw new IllegalStateException("Monitor is not running");
  }
  running = false;
  try {
    thread.join(stopInterval);
  } catch (InterruptedException e) {
    Thread.currentThread().interrupt();
  }
  for (FileChangeObserver observer : observers) {
    observer.destroy();
  }
}