/** @should return patient data for each obs in the passed context */
@Override
public EvaluatedObsData evaluate(
ObsDataDefinition definition, EvaluationContext obsEvaluationContext)
throws EvaluationException {
DataSetQueryService dqs = Context.getService(DataSetQueryService.class);
EvaluatedObsData c = new EvaluatedObsData(definition, obsEvaluationContext);
// create a map of obs ids -> patient ids (note assumption that personId = patientId)
Set<Integer> obsIds = ObsDataUtil.getObsIdsForContext(obsEvaluationContext, true);
Map<Integer, Integer> convertedIds =
dqs.convertData(Person.class, "personId", null, Obs.class, "person.personId", obsIds);
// create a new (patient) evaluation context using the retrieved ids
EvaluationContext patientEvaluationContext = new EvaluationContext();
patientEvaluationContext.setBaseCohort(new Cohort(convertedIds.values()));
// evaluate the joined definition via this patient context
PatientToObsDataDefinition def = (PatientToObsDataDefinition) definition;
EvaluatedPatientData pd =
Context.getService(PatientDataService.class)
.evaluate(def.getJoinedDefinition(), patientEvaluationContext);
// now create the result set by mapping the results in the patient data set to obs ids
for (Integer obsId : obsIds) {
c.addData(obsId, pd.getData().get(convertedIds.get(obsId)));
}
return c;
}
@Override
public EvaluatedPersonData evaluate(PersonDataDefinition definition, EvaluationContext context)
throws EvaluationException {
FirstEncounterAtFacilityDataDefinition def =
(FirstEncounterAtFacilityDataDefinition) definition;
EvaluatedPersonData c = new EvaluatedPersonData(def, context);
if (context.getBaseCohort() == null || context.getBaseCohort().isEmpty()) {
return c;
}
// find the facility number
MOHFacility facility = (MOHFacility) context.getParameterValue("facility");
// fail quickly if the facility does not exist
if (facility == null) {
log.warn("No facility provided; returning empty data.");
return c;
}
// use HQL to do our bidding
String hql =
"from Encounter"
+ " where voided=false"
+ " and patientId in (:patientIds)"
+ " and location in (:locationList)"
+ " and encounterDatetime <= :onOrBefore"
+ " order by encounterDatetime asc";
Map<String, Object> m = new HashMap<String, Object>();
m.put("patientIds", context.getBaseCohort());
m.put("locationList", facility.getLocations());
m.put("onOrBefore", context.getEvaluationDate());
DataSetQueryService qs = Context.getService(DataSetQueryService.class);
List<Object> queryResult = qs.executeHqlQuery(hql, m);
ListMap<Integer, Encounter> encForPatients = new ListMap<Integer, Encounter>();
for (Object o : queryResult) {
Encounter enc = (Encounter) o;
encForPatients.putInList(enc.getPatientId(), enc);
}
for (Integer pId : encForPatients.keySet()) {
List<Encounter> l = encForPatients.get(pId);
c.addData(pId, l.get(0));
}
return c;
}