dlmarion commented on a change in pull request #2324:
URL: https://github.com/apache/accumulo/pull/2324#discussion_r738480624
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File path:
core/src/main/java/org/apache/accumulo/fate/zookeeper/ZooReaderWriter.java
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@@ -124,6 +124,34 @@ public boolean putPersistentData(String zPath, byte[]
data, NodeExistsPolicy pol
e -> e.code() == Code.NONODE && policy == NodeExistsPolicy.OVERWRITE);
}
+ /**
+ * Overwrite a persistent node if the data version matches.
+ *
+ * @param zPath
+ * the zookeeper path
+ * @param data
+ * the byte array data
+ * @param expectedVersion
+ * the expected data version of the zookeeper node.
+ * @return true if the data was set, false if the version does not match
expected.
+ * @throws KeeperException
+ * if a KeeperException occurs (no node most likely)
+ * @throws InterruptedException
+ * if the zookeeper write is interrupted.
+ */
+ public boolean overwritePersistentData(String zPath, byte[] data, final int
expectedVersion)
Review comment:
It seems like you could add another overloaded method signature for
putPersistentData and achieve the same outcome.
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