@Override
 public void update(float tpf) {
   for (ServerConnectionInfo i : connectionData.values()) {
     i.update();
   }
   super.update(tpf);
 }
 /**
  * Adds a <tt>ServerConnectionInfo</tt> representing some connection so that it will be returned
  * by the <tt>getData</tt> method.
  *
  * <p>Internal use only. Instances of <tt>ServerConnectionInfo</tt> are registered on demand.
  *
  * @param info the <tt>ServerConnectionInfo</tt> that was just turned from a dummy instance into a
  *     real instance
  */
 protected void register(ServerConnectionInfo info) {
   connectionData.put(info.getConnection(), info);
 }