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Posted to issues@ignite.apache.org by "Aleksandr Polovtcev (Jira)" <ji...@apache.org> on 2022/09/23 06:58:00 UTC
[jira] [Updated] (IGNITE-17493) CMG service should use onLeaderElected callback in order to detect the fact that current node is a leader
[ https://issues.apache.org/jira/browse/IGNITE-17493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aleksandr Polovtcev updated IGNITE-17493:
-----------------------------------------
Epic Link: IGNITE-15114
> CMG service should use onLeaderElected callback in order to detect the fact that current node is a leader
> ---------------------------------------------------------------------------------------------------------
>
> Key: IGNITE-17493
> URL: https://issues.apache.org/jira/browse/IGNITE-17493
> Project: Ignite
> Issue Type: Improvement
> Reporter: Vyacheslav Koptilin
> Assignee: Aleksandr Polovtcev
> Priority: Major
> Labels: ignite-3
>
> CmgRaftService service should use onLeaderElected callback in order to detect the fact that current node is a leader.
> {code:java}
> /**
> * Returns {@code true} if the current node is the CMG leader.
> *
> * @return {@code true} if the current node is the CMG leader.
> */
> // TODO: replace with onLeaderElected callback after https://issues.apache.org/jira/browse/IGNITE-16379 is implemented
> public CompletableFuture<Boolean> isCurrentNodeLeader() {
> ClusterNode thisNode = clusterService.topologyService().localMember();
> return leader().thenApply(thisNode::equals);
> }
> private CompletableFuture<ClusterNode> leader() {
> return raftService.refreshLeader().thenApply(v -> resolvePeer(raftService.leader()));
> }
> {code}
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