@Override
public void onEvent(SensorEvent<Object> event) {
if (firstUpTime == null) {
if (event != null
&& Attributes.SERVICE_UP.equals(event.getSensor())
&& Boolean.TRUE.equals(event.getValue())) {
firstUpTime = event.getTimestamp();
} else if (event == null && Boolean.TRUE.equals(entity.getAttribute(Attributes.SERVICE_UP))) {
// If this enricher is registered after the entity is up, then we'll get a "synthetic"
// onEvent(null)
firstUpTime = System.currentTimeMillis();
}
}
super.onEvent(event);
}
