public static void handleMemberStarted(InstanceStartedEvent instanceStartedEvent) {
try {
Topology topology = TopologyManager.getTopology();
Service service = topology.getService(instanceStartedEvent.getServiceName());
if (service == null) {
log.warn(String.format("Service %s does not exist", instanceStartedEvent.getServiceName()));
return;
}
if (!service.clusterExists(instanceStartedEvent.getClusterId())) {
log.warn(
String.format(
"Cluster %s does not exist in service %s",
instanceStartedEvent.getClusterId(), instanceStartedEvent.getServiceName()));
return;
}
Cluster cluster = service.getCluster(instanceStartedEvent.getClusterId());
Member member = cluster.getMember(instanceStartedEvent.getMemberId());
if (member == null) {
log.warn(String.format("Member %s does not exist", instanceStartedEvent.getMemberId()));
return;
}
try {
TopologyManager.acquireWriteLock();
// try update lifecycle state
if (!member.isStateTransitionValid(MemberStatus.Starting)) {
log.error(
"Invalid State Transition from "
+ member.getStatus()
+ " to "
+ MemberStatus.Starting);
return;
} else {
member.setStatus(MemberStatus.Starting);
log.info("member started event adding status started");
TopologyManager.updateTopology(topology);
// memberStartedEvent.
TopologyEventPublisher.sendMemberStartedEvent(instanceStartedEvent);
// publishing data
BAMUsageDataPublisher.publish(
instanceStartedEvent.getMemberId(),
instanceStartedEvent.getPartitionId(),
instanceStartedEvent.getNetworkPartitionId(),
instanceStartedEvent.getClusterId(),
instanceStartedEvent.getServiceName(),
MemberStatus.Starting.toString(),
null);
}
} finally {
TopologyManager.releaseWriteLock();
}
} catch (Exception e) {
String message =
String.format(
"Could not handle member started event: [application-id] %s "
+ "[service-name] %s [member-id] %s",
instanceStartedEvent.getApplicationId(),
instanceStartedEvent.getServiceName(),
instanceStartedEvent.getMemberId());
log.warn(message, e);
}
}
