jiajunwang commented on a change in pull request #363: Fix the race condition
while Helix refresh cluster status cache.
URL: https://github.com/apache/helix/pull/363#discussion_r308460856
##########
File path:
helix-core/src/main/java/org/apache/helix/controller/dataproviders/BaseControllerDataProvider.java
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@@ -217,51 +220,54 @@ public String getObjName(StateModelDefinition obj) {
_instanceMessagesCache = new InstanceMessagesCache(_clusterName);
}
- private void refreshIdealState(final HelixDataAccessor accessor) {
- if (_propertyDataChangedMap.get(HelixConstants.ChangeType.IDEAL_STATE)) {
- _propertyDataChangedMap.put(HelixConstants.ChangeType.IDEAL_STATE,
false);
-
+ private void refreshIdealState(final HelixDataAccessor accessor,
+ Set<HelixConstants.ChangeType> refreshedType) {
+ if
(_propertyDataChangedMap.get(HelixConstants.ChangeType.IDEAL_STATE).getAndSet(false))
{
Review comment:
getAndSet(false) has only one parameter, easier for the reader to get the
point.
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