/** {@inheritDoc} */
  public void initializeFrom(Element element) throws DocumentSerializationException {
    for (Enumeration e = element.getChildren(); e.hasMoreElements(); ) {
      Element serviceElement = (TextElement) e.nextElement();
      String tagName = (String) serviceElement.getKey();

      if (tagName.equals("service")) {
        try {
          ModuleClassID moduleClassID =
              (ModuleClassID)
                  IDFactory.fromURI(
                      new URI(
                          DocumentSerializableUtilities.getString(
                              serviceElement, "moduleClassID", "ERROR")));

          try {
            ServiceMonitorFilter serviceMonitorFilter =
                MonitorResources.createServiceMonitorFilter(moduleClassID);
            serviceMonitorFilter.init(moduleClassID);
            Element serviceMonitorFilterElement =
                DocumentSerializableUtilities.getChildElement(serviceElement, "serviceFilter");
            serviceMonitorFilter.initializeFrom(serviceMonitorFilterElement);
            serviceMonitorFilters.put(moduleClassID, serviceMonitorFilter);
          } catch (Exception ex) {
            if (unknownModuleClassIDs == null) unknownModuleClassIDs = new LinkedList();

            unknownModuleClassIDs.add(moduleClassID);
          }
        } catch (URISyntaxException jex) {
          throw new DocumentSerializationException("Can't get ModuleClassID", jex);
        }
      }
    }
  }
  /** {@inheritDoc} */
  public void initializeFrom(Element element) throws DocumentSerializationException {
    for (Enumeration e = element.getChildren(); e.hasMoreElements(); ) {
      Element childElement = (TextElement) e.nextElement();
      String tagName = (String) childElement.getKey();

      if (tagName.equals("transportMetric")) {
        TransportMetric transportMetric =
            (TransportMetric)
                DocumentSerializableUtilities.getDocumentSerializable(
                    childElement, TransportMetric.class);
        transportMetrics.add(transportMetric);
      }
      if (tagName.equals("moduleClassID")) {
        try {
          moduleClassID =
              (ModuleClassID)
                  IDFactory.fromURI(new URI(DocumentSerializableUtilities.getString(childElement)));
        } catch (URISyntaxException jex) {
          throw new DocumentSerializationException("Can't read moduleClassID", jex);
        }
      }
    }
  }