zyxxoo commented on code in PR #2130:
URL:
https://github.com/apache/incubator-hugegraph/pull/2130#discussion_r1118215113
##########
hugegraph-api/src/main/java/org/apache/hugegraph/core/GraphManager.java:
##########
@@ -428,13 +443,43 @@ private void serverStarted(HugeConfig config) {
"The server role can't be null or empty");
this.server = IdGenerator.of(server);
this.role = NodeRole.valueOf(role.toUpperCase());
+
+ initRoleStateMachine(config, server);
+
for (String graph : this.graphs()) {
HugeGraph hugegraph = this.graph(graph);
assert hugegraph != null;
hugegraph.serverStarted(this.server, this.role);
}
}
+ private void initRoleStateMachine(HugeConfig config, String server) {
+ try {
+ if (!(this.authenticator() instanceof StandardAuthenticator)) {
+ LOG.info("Current not support role state machine");
+ return;
+ }
+ } catch (IllegalStateException e) {
+ LOG.info("Current not support role state machine");
+ return;
+ }
+
+ E.checkArgument(this.roleStateMachine == null, "Repetition init");
+ Config roleStateMachineConfig = new HugeRoleStateMachineConfig(server,
+
config.get(ServerOptions.EXCEEDS_FAIL_COUNT),
+
config.get(ServerOptions.RANDOM_TIMEOUT_MILLISECOND),
+
config.get(ServerOptions.HEARTBEAT_INTERVAL_SECOUND),
+
config.get(ServerOptions.EXCEEDS_WORKER_COUNT),
+
config.get(ServerOptions.BASE_TIMEOUT_MILLISECOND));
+ StandardHugeGraph graph = (StandardHugeGraph)
this.authenticator().graph().hugegraph();
+ RoleTypeDataAdapter adapter = new
RoleTypeDataAdapterImpl(graph.hugeGraphParams());
+ this.roleStateMachine = new
RoleElectionStateMachineImpl(roleStateMachineConfig, adapter);
Review Comment:
there are multiple graphs, but only one state machine
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