private DatabusRegistration findRegistration(DatabusRequest request, String prefix)
throws RequestProcessingException {
String category = request.getParams().getProperty(DatabusRequest.PATH_PARAM_NAME);
String registrationIdStr = category.substring(prefix.length());
RegistrationId regId = new RegistrationId(registrationIdStr);
Collection<DatabusRegistration> regs = _client.getAllRegistrations();
for (DatabusRegistration r : regs) {
if (regId.equals(r.getRegistrationId())) return r;
if (r instanceof DatabusMultiPartitionRegistration) {
Map<DbusPartitionInfo, DatabusRegistration> childRegs =
((DatabusMultiPartitionRegistration) r).getPartitionRegs();
for (Entry<DbusPartitionInfo, DatabusRegistration> e : childRegs.entrySet())
if (regId.equals(e.getValue().getRegistrationId())) return e.getValue();
}
}
throw new RequestProcessingException("Unable to find registration (" + regId + ") ");
}
@Override
public synchronized void shutdown() throws IllegalStateException {
if (!_state.isRunning())
throw new IllegalStateException(
"Registration ("
+ _id
+ ") is not in running state to be shutdown. Current state :"
+ _state);
_sourcesConnection.unregisterMbeans();
_sourcesConnection.stop();
_status.shutdown();
_state = RegistrationState.SHUTDOWN;
// remove this registration stats from client stats Collector list.
_client.getBootstrapEventsStats().removeStatsCollector(_id.getId());
_client.getInBoundStatsCollectors().removeStatsCollector(_id.getId());
_client.getRelayConsumerStatsCollectors().removeStatsCollector(_id.getId());
_client.getBootstrapConsumerStatsCollectors().removeStatsCollector(_id.getId());
_client.getUnifiedClientStatsCollectors().removeStatsCollector(_id.getId());
}
/**
* Factory method to create sources connection
*
* @param connConfig
* @param subs
* @param candidateRelays
* @param candidateBootstrapServers
* @param eventBuffer
* @param bootstrapBuffer
* @return
*/
protected synchronized DatabusSourcesConnection createConnection(
StaticConfig connConfig,
List<DatabusSubscription> subs,
Set<ServerInfo> candidateRelays,
Set<ServerInfo> candidateBootstrapServers,
DbusEventBuffer eventBuffer,
DbusEventBuffer bootstrapBuffer) {
_log.info(
"Creating Sources Connection : Candidate Relays :"
+ candidateRelays
+ ", CandidateBootstrapServers :"
+ candidateBootstrapServers
+ ", Subscriptions :"
+ subs);
ConnectionStateFactory connStateFactory =
new ConnectionStateFactory(DatabusSubscription.getStrList(subs));
DatabusSourcesConnection sourcesConnection =
new DatabusSourcesConnection(
connConfig,
subs,
candidateRelays,
candidateBootstrapServers,
_streamConsumerRawRegistrations,
_bootstrapConsumerRawRegistrations,
eventBuffer,
bootstrapBuffer,
_client.getDefaultExecutorService(),
_client.getContainerStatsCollector(),
_inboundEventsStatsCollector,
_bootstrapEventsStatsCollector,
_relayConsumerStats,
_bootstrapConsumerStats,
_unifiedClientStats,
_checkpointPersistenceProvider,
_client.getRelayConnFactory(),
_client.getBootstrapConnFactory(),
_client.getHttpStatsCollector(),
null, // This should make sure the checkpoint directory structure is compatible with V2.
_client,
_id.toString(), // Used to uniquely identify logs and mbean name
_client.getEventFactory(),
null,
connStateFactory);
return sourcesConnection;
}
// TODO: make private? no other Databus callers except two ctors above; is this a public
// (external) API?
public DatabusV2RegistrationImpl(
RegistrationId id,
DatabusHttpClientImpl client,
CheckpointPersistenceProvider ckptProvider,
String[] sources,
AbstractDatabusCombinedConsumer[] consumers) {
_id = id;
_status = new Status();
_client = client;
_checkpointPersistenceProvider = ckptProvider;
_state = RegistrationState.INIT;
_sources = new ArrayList<String>();
_consumers = new ArrayList<DatabusCombinedConsumer>();
final String loggerName = (_id != null) ? _id.getId() : getClass().getName();
_log = Logger.getLogger(loggerName);
if (null != sources) _sources.addAll(Arrays.asList(sources));
if (null != consumers) _consumers.addAll(Arrays.asList(consumers));
}
private RegInfo getRegistration(RegistrationId regId) throws RequestProcessingException {
Collection<DatabusRegistration> regs = _client.getAllRegistrations();
for (DatabusRegistration r : regs) {
if (regId.equals(r.getRegistrationId())) {
if (r instanceof DatabusMultiPartitionRegistration) {
Map<DbusPartitionInfo, DatabusRegistration> childRegs =
((DatabusMultiPartitionRegistration) r).getPartitionRegs();
Map<DbusPartitionInfo, RegInfo> childR = new HashMap<DbusPartitionInfo, RegInfo>();
for (Entry<DbusPartitionInfo, DatabusRegistration> e : childRegs.entrySet()) {
childR.put(
e.getKey(),
new RegInfo(
e.getValue().getState(),
e.getValue().getRegistrationId(),
e.getValue().getStatus(),
e.getValue().getFilterConfig(),
e.getValue().getSubscriptions()));
}
return new RegInfo(
r.getState(),
r.getRegistrationId(),
r.getStatus(),
r.getFilterConfig(),
r.getSubscriptions(),
true,
childR);
} else {
return new RegInfo(
r.getState(),
r.getRegistrationId(),
r.getStatus(),
r.getFilterConfig(),
r.getSubscriptions());
}
}
}
throw new RequestProcessingException("Unable to find regId (" + regId + ")");
}
@Override
public synchronized DatabusRegistration withRegId(RegistrationId regId)
throws DatabusClientException, IllegalStateException {
if ((_id != null) && (_id.equals(regId))) return this;
if (!RegistrationIdGenerator.isIdValid(regId))
throw new DatabusClientException(
"Another registration with the same regId (" + regId + ") already present !!");
if (_state.isRunning())
throw new IllegalStateException(
"Cannot update regId when registration is in running state. RegId :"
+ _id
+ ", State :"
+ _state);
_id = regId;
_status = new Status(); // Component Status should use the correct component name
return this;
}
/** Initialize Statistics Collectors */
protected synchronized void initializeStatsCollectors() {
MBeanServer mbeanServer = null;
if (null != _client) {
mbeanServer = _client.getMbeanServer();
}
int ownerId = null == _client ? -1 : _client.getContainerStaticConfig().getId();
String regId = null != _id ? _id.getId() : "unknownReg";
initializeStatsCollectors(regId, ownerId, mbeanServer);
if (null != _client) {
_client.getBootstrapEventsStats().addStatsCollector(regId, _bootstrapEventsStatsCollector);
_client.getInBoundStatsCollectors().addStatsCollector(regId, _inboundEventsStatsCollector);
_client.getRelayConsumerStatsCollectors().addStatsCollector(regId, _relayConsumerStats);
_client
.getBootstrapConsumerStatsCollectors()
.addStatsCollector(regId, _bootstrapConsumerStats);
_client.getUnifiedClientStatsCollectors().addStatsCollector(regId, _unifiedClientStats);
}
}
protected synchronized String getStatusName() {
return "Status" + ((_id != null) ? "_" + _id.getId() : "");
}