Github user Randgalt commented on a diff in the pull request:
https://github.com/apache/curator/pull/47#discussion_r18621853
--- Diff:
curator-recipes/src/main/java/org/apache/curator/framework/recipes/shared/SharedValue.java
---
@@ -184,6 +178,25 @@ public boolean trySetValue(VersionedValue<byte[]>
newValue) throws Exception
return false;
}
+ private void updateValue(int version, byte[] bytes)
+ {
+ while (true)
+ {
+ VersionedValue<byte[]> current = currentValue.get();
+ if (current.getVersion() >= version)
+ {
+ // A newer version was concurrently set.
+ return;
+ }
+ if ( currentValue.compareAndSet(current, new
VersionedValue<byte[]>(version, bytes)) )
+ {
+ // Successfully set.
+ return;
+ }
+ // Lost a race, retry.
+ }
+ }
+
/**
--- End diff --
This is the new behavior as I see it. It loops until it successfully
updates the value. Right?
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