/** Exposes the mapping between a mpRegistration -> Set of individual registrations */
private void processMPRegistrations(DatabusRequest request)
throws IOException, RequestProcessingException {
Map<RegistrationId, DatabusV3Registration> registrationIdMap = _client.getRegistrationIdMap();
if (null == registrationIdMap)
throw new InvalidRequestParamValueException(
request.getName(), REGISTRATIONS_KEY, "Present only for Databus V3 clients");
Map<String, List<String>> ridList = new TreeMap<String, List<String>>();
for (Map.Entry<RegistrationId, DatabusV3Registration> entry : registrationIdMap.entrySet()) {
DatabusV3Registration reg = entry.getValue();
if (reg instanceof DatabusV3MultiPartitionRegistration) {
Collection<DatabusV3Registration> dvrList =
((DatabusV3MultiPartitionRegistration) reg).getPartionRegs().values();
List<String> mpRegList = new ArrayList<String>();
for (DatabusV3Registration dvr : dvrList) {
mpRegList.add(dvr.getId().getId());
}
ridList.put(entry.getKey().getId(), mpRegList);
}
}
writeJsonObjectToResponse(ridList, request);
return;
}
private void processV3Registrations(DatabusRequest request)
throws IOException, RequestProcessingException {
Map<RegistrationId, DatabusV3Registration> registrationIdMap = _client.getRegistrationIdMap();
if (null == registrationIdMap)
throw new InvalidRequestParamValueException(
request.getName(), REGISTRATIONS_KEY, "Present only for Databus V3 clients");
Map<String, List<DatabusSubscription>> regIds =
new TreeMap<String, List<DatabusSubscription>>();
for (Map.Entry<RegistrationId, DatabusV3Registration> entry : registrationIdMap.entrySet()) {
DatabusV3Registration reg = entry.getValue();
if (reg instanceof DatabusV3MultiPartitionRegistration) continue;
List<DatabusSubscription> dsl = reg.getSubscriptions();
regIds.put(entry.getKey().getId(), dsl);
}
writeJsonObjectToResponse(regIds, request);
return;
}