private List<DatabusSubscription> createSubscriptions(List<String> sources)
throws DatabusClientException {
List<DatabusSubscription> subs = null;
try {
subs = DatabusSubscription.createFromUriList(sources);
} catch (Exception ex) {
throw new DatabusClientException(ex);
}
return subs;
}
/**
* 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;
}
@Override
public Collection<DatabusSubscription> getSubscriptions() {
return DatabusSubscription.createSubscriptionList(_sources);
}