# Uses of Interface
org.apache.storm.callback.ZKStateChangedCallback

Packages that use ZKStateChangedCallback
Package
Description
org.apache.storm.cluster

- ## Uses of ZKStateChangedCallback in org.apache.storm.cluster

  Methods in org.apache.storm.cluster with parameters of type ZKStateChangedCallback
  Modifier and Type
  Method
  Description
  `String`
  IStateStorage.`register(ZKStateChangedCallback callback)`
  Registers a callback function that gets called when CuratorEvents happen.
  `String`
  PaceMakerStateStorage.`register(ZKStateChangedCallback callback)`
  `String`
  ZKStateStorage.`register(ZKStateChangedCallback callback)`