jackjlli commented on a change in pull request #4102: Cleanup singletons for 3
classes in ControllerStarter
URL: https://github.com/apache/incubator-pinot/pull/4102#discussion_r276477805
##########
File path:
pinot-controller/src/main/java/org/apache/pinot/controller/ControllerStarter.java
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@@ -254,8 +257,15 @@ private void setUpPinotController() {
// Helix resource manager must be started in order to create
PinotLLCRealtimeSegmentManager
LOGGER.info("Starting realtime segment manager");
- PinotLLCRealtimeSegmentManager
- .create(_helixResourceManager, _config, _controllerMetrics,
_controllerLeadershipManager);
+
+ _pinotLLCRealtimeSegmentManager =
+ new PinotLLCRealtimeSegmentManager(_helixResourceManager, _config,
_controllerMetrics,
+ _controllerLeadershipManager);
+ // TODO: Need to put this inside HelixResourceManager when
ControllerLeadershipManager is removed.
+
_helixResourceManager.registerPinotLLCRealtimeSegmentManager(_pinotLLCRealtimeSegmentManager);
Review comment:
I've tried that but since the object isn't fully initialized, it will only
assign a null reference to it.
Plus, the logic of these 2 objects are mixed together:
* `Resource manager` has to be instantiated before
`PinotLLCRealtimeSegmentManager`.
* `Resource manager` needs to call the method in
`PinotLLCRealtimeSegmentManager`, which is created after `Resource manager` got
created.
It's a circular reference dependency between these two objects.
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