Timer timer = new Timer("Timer-reconnect provider Timer");
 TimerTask task = new TimerTask() {
    @Override
    public void run() {
        log.info("it is time to check jtapi Provider.");
        try {
            checkProvider();
        } catch (Exception e) {
            log.info("the Network may be disconnected,please check!");
            e.printStackTrace();
        }
    }
}

    @Override
    public void providerInService(ProviderEvent event) {
        log.info("provider is InService.");
                timer.cancel();

    }

    @Override
    public void providerOutOfService(ProviderEvent event) {
        log.info("provider is OutOfService,please wait for InService.");
                timer.schedule(task, 3000, 10000);

    }

    @Override
    public void providerShutdown(ProviderEvent event) {
        log.info("provider is Shutdown，please wait for restart.");
                timer.schedule(task, 3000, 10000);
    }