public static ims.core.configuration.domain.objects.DrawingGraphicGroup
      extractDrawingGraphicGroup(
          ims.domain.ILightweightDomainFactory domainFactory,
          ims.core.vo.GraphicGroupVo valueObject,
          HashMap domMap) {
    if (null == valueObject) {
      return null;
    }
    Integer id = valueObject.getID_DrawingGraphicGroup();
    ims.core.configuration.domain.objects.DrawingGraphicGroup domainObject = null;
    if (null == id) {
      if (domMap.get(valueObject) != null) {
        return (ims.core.configuration.domain.objects.DrawingGraphicGroup) domMap.get(valueObject);
      }
      // ims.core.vo.GraphicGroupVo ID_DrawingGraphicGroup field is unknown
      domainObject = new ims.core.configuration.domain.objects.DrawingGraphicGroup();
      domMap.put(valueObject, domainObject);
    } else {
      String key =
          (valueObject.getClass().getName() + "__" + valueObject.getID_DrawingGraphicGroup());
      if (domMap.get(key) != null) {
        return (ims.core.configuration.domain.objects.DrawingGraphicGroup) domMap.get(key);
      }
      domainObject =
          (ims.core.configuration.domain.objects.DrawingGraphicGroup)
              domainFactory.getDomainObject(
                  ims.core.configuration.domain.objects.DrawingGraphicGroup.class, id);

      // TODO: Not sure how this should be handled. Effectively it must be a staleobject exception,
      // but maybe should be handled as that further up.
      if (domainObject == null) return null;

      domMap.put(key, domainObject);
    }
    domainObject.setVersion(valueObject.getVersion_DrawingGraphicGroup());

    domainObject.setGroupID(valueObject.getGroupID());
    // This is to overcome a bug in both Sybase and Oracle which prevents them from storing an empty
    // string correctly
    // Sybase stores it as a single space, Oracle stores it as NULL. This fix will make them
    // consistent at least.
    if (valueObject.getGroupName() != null && valueObject.getGroupName().equals("")) {
      valueObject.setGroupName(null);
    }
    domainObject.setGroupName(valueObject.getGroupName());
    domainObject.setAreaCollection(
        ims.core.vo.domain.GraphicAreaVoAssembler.extractDrawingGraphicAreaSet(
            domainFactory,
            valueObject.getAreaCollection(),
            domainObject.getAreaCollection(),
            domMap));
    domainObject.setChildGroups(
        ims.core.vo.domain.GraphicGroupVoAssembler.extractDrawingGraphicGroupSet(
            domainFactory, valueObject.getChildGroups(), domainObject.getChildGroups(), domMap));

    return domainObject;
  }