/** @see org.openmrs.module.patientflags.api.FlagService#getFlaggedPatients(List<Flag>) */
public Cohort getFlaggedPatients(List<Flag> flags) {
Cohort resultCohort = new Cohort();
// test each Flag
for (Flag flag : flags) {
resultCohort = Cohort.union(resultCohort, flag.evalCohort(null));
}
return resultCohort;
}
/** @see org.openmrs.module.patientflags.api.FlagService#purgePriority(Integer) */
public void purgePriority(Integer priorityId) {
// first we need to make sure that this priority is not currently referenced by a flag
Priority priority = getPriority(priorityId);
List<Flag> flags = getAllFlags();
for (Flag flag : flags) {
if (flag.getPriority().equals(priority)) {
throw (new APIException(
"Cannot delete priority, because it's referenced by an existing flag."));
}
}
// remove the flag from the DB table
dao.purgePriority(priorityId);
}
/** @see org.openmrs.module.patientflags.api.FlagService#getFlaggedPatients(Flag) */
public Cohort getFlaggedPatients(Flag flag) {
if (flag != null) {
return flag.evalCohort(null);
} else {
return new Cohort();
}
}
/**
* @see org.openmrs.module.patientflags.api.FlagService#generateFlagsForPatient(Patient, Filter)
*/
public List<Flag> generateFlagsForPatient(Patient patient, Filter filter) {
List<Flag> results = new ArrayList<Flag>();
// we can get rid of this once onStartup is implemented
if (!isInitialized) refreshCache();
// test each Flag in the cache against the specific Patient
for (Flag flag : filter.filter(flagCache)) {
// trap bad flags so that they don't hang the system
try {
if (flag.eval(patient)) results.add(flag);
} catch (Exception e) {
log.error("Unable to test flag " + flag.getName() + " on patient #" + patient.getId(), e);
}
}
return results;
}