public static ims.clinical.configuration.domain.objects.ProblemHotlistItem
      extractProblemHotlistItem(
          ims.domain.ILightweightDomainFactory domainFactory,
          ims.clinicaladmin.vo.ProblemHotlistItemVo valueObject,
          HashMap domMap) {
    if (null == valueObject) {
      return null;
    }
    Integer id = valueObject.getID_ProblemHotlistItem();
    ims.clinical.configuration.domain.objects.ProblemHotlistItem domainObject = null;
    if (null == id) {
      if (domMap.get(valueObject) != null) {
        return (ims.clinical.configuration.domain.objects.ProblemHotlistItem)
            domMap.get(valueObject);
      }
      // ims.clinicaladmin.vo.ProblemHotlistItemVo ID_ProblemHotlistItem field is unknown
      domainObject = new ims.clinical.configuration.domain.objects.ProblemHotlistItem();
      domMap.put(valueObject, domainObject);
    } else {
      String key =
          (valueObject.getClass().getName() + "__" + valueObject.getID_ProblemHotlistItem());
      if (domMap.get(key) != null) {
        return (ims.clinical.configuration.domain.objects.ProblemHotlistItem) domMap.get(key);
      }
      domainObject =
          (ims.clinical.configuration.domain.objects.ProblemHotlistItem)
              domainFactory.getDomainObject(
                  ims.clinical.configuration.domain.objects.ProblemHotlistItem.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_ProblemHotlistItem());

    domainObject.setProblem(
        ims.clinical.vo.domain.ClinicalProblemShortVoAssembler.extractClinicalProblem(
            domainFactory, valueObject.getProblem(), domMap));

    return domainObject;
  }