How to use

isMQServerDown

method

in

org.dd4t.caching.jms.impl.JMSCacheMonitor

public void setMQServerStatusUp() {
  if (isMQServerDown()) {
    LOG.debug("Detected MQ server activity. Setting status UP");
    setMQServerStatus(MQServerStatus.UP);
  }
}

  @Override
  public void run() {
    LOG.debug("Monitor thread running");
    MQServerStatus previousServerStatus = MQServerStatus.UP;
    try {
      while (!Thread.currentThread().isInterrupted()) {
        LOG.debug("JMS MQ server is {} ", serverStatus);
        if (cacheInvalidator != null) {
          if (isMQServerDown()) {
            cacheInvalidator.flush();
          } else if (previousServerStatus == MQServerStatus.DOWN) {
            LOG.debug("JMS MQ server recovered. Flush local cache one more time.");
            cacheInvalidator.flush();
          }
          previousServerStatus = serverStatus;
        }
        Thread.sleep(monitorServiceInterval);
      }
    } catch (InterruptedException e) {
      LOG.debug("Cache monitor thread interrupted");
      Thread.currentThread().interrupt();
    }
  }
};