@Override
  public int hashCode() {
    int result = clusterName != null ? clusterName.hashCode() : 0;
    result = 31 * result + (hostName != null ? hostName.hashCode() : 0);
    result = 31 * result + (hostStatus != null ? hostStatus.hashCode() : 0);
    result = 31 * result + (hostState != null ? hostState.hashCode() : 0);
    result = 31 * result + (lastHeartbeatTime != null ? lastHeartbeatTime.hashCode() : 0);
    result = 31 * result + (maintenanceState != null ? maintenanceState.hashCode() : 0);
    result = 31 * result + (alertsSummary != null ? alertsSummary.hashCode() : 0);
    return result;
  }
Host info with updated parameter. This update will be sent to all subscribed recipients.
ambari-server/src/main/java/org/apache/ambari/server/events/HostUpdateEvent.java