class StatisticsReporterSchedulerComponentImpl implements StatisticsReporterSchedulerComponent {

    private static final Logger LOGGER = LoggerManager.getLogger(StatisticsReporterSchedulerComponentImpl.class);

    private final AtomicBoolean outstanding;
    private final boolean enabled;
    private final ScheduledExecutorService scheduler;

    public StatisticsReporterSchedulerComponentImpl(@Config(name = "statistics.scheduler.enabled", value = "true") final boolean enabled) {
        this.enabled = enabled;
        outstanding = new AtomicBoolean();
        if (enabled) {
            scheduler = Executors.newSingleThreadScheduledExecutor(r -> {
                final Thread t = new Thread(r);
                t.setDaemon(true);
                return t;
            }); // Make the threads daemon to allow speedment applications to exit via main method completion Fix #322
        } else {
            scheduler = null;
        }
    }

    @ExecuteBefore(State.STARTED)
    public void start(StatisticsReporterComponent src) {
        if (enabled) {
            scheduler.submit(src::reportStarted);
            scheduler.scheduleAtFixedRate(() -> guardedCall(src::alive), 1, 1, TimeUnit.HOURS);
        }
    }

    @ExecuteBefore(State.STOPPED)
    public void stop(StatisticsReporterComponent src) {
        if (enabled) {
            scheduler.submit(src::reportStopped);
            try {
                scheduler.awaitTermination(2, TimeUnit.SECONDS);
            } catch (InterruptedException ie) {
                LOGGER.error("Unable to terminate " + StatisticsReporterSchedulerComponentImpl.class.getSimpleName());
                Thread.currentThread().interrupt();
            } finally {
                scheduler.shutdownNow();
            }
        }
    }

    /**
     * Method to guard from multiple invocations. Used to fix #708
     * @param r runnable
     */
    void guardedCall(Runnable r) {<FILL_FUNCTION_BODY>}

}

        if (outstanding.compareAndSet(false,true)) {
            try {
                r.run();
            } finally {
                outstanding.set(false);
            }

        }
    
<no_super_class>