public static void handleMemberReadyToShutdown(
InstanceReadyToShutdownEvent instanceReadyToShutdownEvent)
throws InvalidMemberException, InvalidCartridgeTypeException {
Topology topology = TopologyManager.getTopology();
Service service = topology.getService(instanceReadyToShutdownEvent.getServiceName());
// update the status of the member
if (service == null) {
log.warn(
String.format(
"Service %s does not exist", instanceReadyToShutdownEvent.getServiceName()));
return;
}
Cluster cluster = service.getCluster(instanceReadyToShutdownEvent.getClusterId());
if (cluster == null) {
log.warn(
String.format("Cluster %s does not exist", instanceReadyToShutdownEvent.getClusterId()));
return;
}
Member member = cluster.getMember(instanceReadyToShutdownEvent.getMemberId());
if (member == null) {
log.warn(
String.format("Member %s does not exist", instanceReadyToShutdownEvent.getMemberId()));
return;
}
MemberReadyToShutdownEvent memberReadyToShutdownEvent =
new MemberReadyToShutdownEvent(
instanceReadyToShutdownEvent.getServiceName(),
instanceReadyToShutdownEvent.getClusterId(),
instanceReadyToShutdownEvent.getClusterInstanceId(),
instanceReadyToShutdownEvent.getMemberId(),
instanceReadyToShutdownEvent.getNetworkPartitionId(),
instanceReadyToShutdownEvent.getPartitionId());
try {
TopologyManager.acquireWriteLock();
if (!member.isStateTransitionValid(MemberStatus.ReadyToShutDown)) {
log.error(
"Invalid State Transition from "
+ member.getStatus()
+ " to "
+ MemberStatus.ReadyToShutDown);
return;
}
member.setStatus(MemberStatus.ReadyToShutDown);
log.info("Member Ready to shut down event adding status started");
TopologyManager.updateTopology(topology);
} finally {
TopologyManager.releaseWriteLock();
}
TopologyEventPublisher.sendMemberReadyToShutdownEvent(memberReadyToShutdownEvent);
// publishing data
BAMUsageDataPublisher.publish(
instanceReadyToShutdownEvent.getMemberId(),
instanceReadyToShutdownEvent.getPartitionId(),
instanceReadyToShutdownEvent.getNetworkPartitionId(),
instanceReadyToShutdownEvent.getClusterId(),
instanceReadyToShutdownEvent.getServiceName(),
MemberStatus.ReadyToShutDown.toString(),
null);
// termination of particular instance will be handled by autoscaler
}
