@Override public Encounter transferEncounter(Encounter encounter, Patient patient) { Encounter encounterCopy = encounter.copyAndAssignToAnotherPatient(patient); voidEncounter(encounter, "transfer to patient: id = " + patient.getId()); // void visit if voided encounter is the only one Visit visit = encounter.getVisit(); if (visit != null && visit.getEncounters().size() == 1) { Context.getVisitService().voidVisit(visit, "Visit does not contain non-voided encounters"); } return saveEncounter(encounterCopy); }