public static ims.ocrr.orderingresults.domain.objects.OrderInvestigation
      extractOrderInvestigation(
          ims.domain.ILightweightDomainFactory domainFactory,
          ims.ocrr.vo.PathologyOrderVo valueObject,
          HashMap domMap) {
    if (null == valueObject) {
      return null;
    }
    Integer id = valueObject.getID_OrderInvestigation();
    ims.ocrr.orderingresults.domain.objects.OrderInvestigation domainObject = null;
    if (null == id) {
      if (domMap.get(valueObject) != null) {
        return (ims.ocrr.orderingresults.domain.objects.OrderInvestigation) domMap.get(valueObject);
      }
      // ims.ocrr.vo.PathologyOrderVo ID_OrderInvestigation field is unknown
      domainObject = new ims.ocrr.orderingresults.domain.objects.OrderInvestigation();
      domMap.put(valueObject, domainObject);
    } else {
      String key =
          (valueObject.getClass().getName() + "__" + valueObject.getID_OrderInvestigation());
      if (domMap.get(key) != null) {
        return (ims.ocrr.orderingresults.domain.objects.OrderInvestigation) domMap.get(key);
      }
      domainObject =
          (ims.ocrr.orderingresults.domain.objects.OrderInvestigation)
              domainFactory.getDomainObject(
                  ims.ocrr.orderingresults.domain.objects.OrderInvestigation.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_OrderInvestigation());

    domainObject.setInvestigation(
        ims.ocrr.vo.domain.InvestigationLiteVoAssembler.extractInvestigation(
            domainFactory, valueObject.getInvestigation(), domMap));
    domainObject.setOrderDetails(
        ims.ocrr.vo.domain.OcsOrderShortVoAssembler.extractOcsOrderSession(
            domainFactory, valueObject.getOrderDetails(), domMap));
    ims.framework.utils.DateTime dateTime3 = valueObject.getDisplayDateTime();
    java.util.Date value3 = null;
    if (dateTime3 != null) {
      value3 = dateTime3.getJavaDate();
    }
    domainObject.setDisplayDateTime(value3);
    domainObject.setSpecimen(
        ims.ocrr.vo.domain.OrderSpecimenPathologyVoAssembler.extractOrderSpecimenList(
            domainFactory, valueObject.getSpecimen(), domainObject.getSpecimen(), domMap));

    return domainObject;
  }