jiajunwang commented on a change in pull request #851: Modify Helix generic
controller to include new stage for customized view aggregation
URL: https://github.com/apache/helix/pull/851#discussion_r396796706
##########
File path:
helix-core/src/main/java/org/apache/helix/controller/GenericHelixController.java
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@@ -775,6 +811,39 @@ public void onStateChange(String instanceName,
List<CurrentState> statesInfo,
logger.info("END: GenericClusterController.onStateChange()");
}
+ @Override
+ @PreFetch(enabled = false)
+ public void onCustomizedStateRootChange(String instanceName,
NotificationContext changeContext) {
+ logger.info("START:
GenericClusterController.onCustomizedStateRootChange()");
+ notifyCaches(changeContext, ChangeType.CUSTOMIZED_STATE_ROOT);
+ HelixManager manager = changeContext.getManager();
+ List<String> customizedStateTypes =
+ manager.getHelixDataAccessor().getChildNames(
+
manager.getHelixDataAccessor().keyBuilder().customizedStatesRoot(instanceName));
+
+ for (String customizedState : customizedStateTypes) {
Review comment:
Shall we do the deletion here as well?
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