Github user Randgalt commented on a diff in the pull request:
https://github.com/apache/curator/pull/202#discussion_r105564270
--- Diff:
curator-recipes/src/main/java/org/apache/curator/framework/recipes/cache/PathChildrenCache.java
---
@@ -694,14 +695,23 @@ private void applyNewData(String fullPath, int
resultCode, Stat stat, byte[] byt
{
offerOperation(new EventOperation(this, new
PathChildrenCacheEvent(PathChildrenCacheEvent.Type.CHILD_ADDED, data)));
}
- else if ( previousData.getStat().getVersion() !=
stat.getVersion() )
+ else if ( hasChanged(stat, previousData, data) )
{
offerOperation(new EventOperation(this, new
PathChildrenCacheEvent(PathChildrenCacheEvent.Type.CHILD_UPDATED, data)));
}
updateInitialSet(ZKPaths.getNodeFromPath(fullPath), data);
}
}
+ private boolean hasChanged(Stat stat, ChildData previousData,
ChildData newData)
+ {
+ if ( cacheData )
+ {
+ return !Arrays.equals(previousData.getData(),
newData.getData());
--- End diff --
Note: TreeCache uses only Mzxid to determine if there's an update. Is that
good enough?
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