Github user d2r commented on a diff in the pull request:
https://github.com/apache/storm/pull/845#discussion_r43809952
--- Diff: storm-core/src/clj/backtype/storm/zookeeper.clj ---
@@ -186,6 +186,21 @@
(.. zk (getChildren) (forPath (normalize-path path))))
(catch Exception e (throw (wrap-in-runtime e)))))
+;; Deletes the state inside the zookeeper for a key, for which the
+;; contents of the key starts with nimbus host port information
+(defn delete-node-blobstore
+ [^CuratorFramework zk ^String parent-path ^String host-port-info]
+ (let [parent-path (normalize-path parent-path)
+ child-path-list (if (exists-node? zk parent-path false)
+ (into [] (get-children zk parent-path false))
+ [])]
+ (doseq [child child-path-list]
+ (if (.startsWith child host-port-info)
+ (do
+ (log-debug "delete-node " "child" child)
+ (delete-node zk (str parent-path "/" child)))
+ ))))
--- End diff --
Can use `when` instead of `if ... do`
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