How to use

clone

method

in

se.cambio.cds.model.instance.ElementInstance

private static ElementInstance cloneElementInstanceWithGTCodes(ElementInstance ei, ArchetypeReference ar, boolean useGTCodes) {
  ei = ei.clone();
  ei.setArchetypeReference(ar);
  if (!useGTCodes && ei instanceof GeneratedElementInstance) {
    ((GeneratedElementInstance) ei).getRuleReferences().clear();
  }
  return ei;
}

boolean matchAndFill(GeneratedArchetypeReference ar1, ArchetypeReference ar2, Map<String, Guide> guideMap, Calendar date) {
  Collection<ElementInstance> emptyElementInstances = new ArrayList<ElementInstance>();
  boolean matches = matches(ar1, ar2, guideMap, date);
  if (!matches) {
    return false;
  } else {
    if (ar2 instanceof GeneratedArchetypeReference) {
      for (String idElement : ar1.getElementInstancesMap().keySet()) {
        ElementInstance ei1 = ar1.getElementInstancesMap().get(idElement);
        ElementInstance ei2 = ar2.getElementInstancesMap().get(idElement);
        if (!(ei1 instanceof PredicateGeneratedElementInstance) && ei2 == null) {
          ei2 = ei1.clone();
          emptyElementInstances.add(ei2);
        }
        if (ei1 instanceof GeneratedElementInstance && ei2 instanceof GeneratedElementInstance) {
          ((GeneratedElementInstance) ei2).getRuleReferences().addAll(((GeneratedElementInstance) ei1).getRuleReferences());
        }
      }
      for (ElementInstance elementInstance : emptyElementInstances) {
        elementInstance.setArchetypeReference(ar2);
      }
    }
  }
  return true;
}

ElementInstance ei = originalEI.clone();
ei.setArchetypeReference(arAux);
if (originalEI instanceof GeneratedElementInstance) {