@Override
public void monitor() {
if (connection.open()) {
try {
ClusterSummary summary = connection.getClusterSummary();
List<SupervisorSummary> supervisors = summary.get_supervisors();
PlatformSystemPart part = getState().getPlatform();
aggregate(part, supervisors);
sendSummaryEvent(part, null, MonitoringManager.DEMO_MSG_INFRASTRUCTURE);
} catch (TException e) {
LOGGER.error("Cannot obtain thrift data " + e.getMessage(), e);
} catch (IllegalStateException e) {
// monitoring runs longer than topology exists... ignore
}
}
}
@Override
protected void failover(Throwable th) {
connection.close(); // hope that it silently closes and a reconnect happens in the next round
}