Package org.apache.zookeeper
Interface AsyncCallback.VoidCallback
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- All Superinterfaces:
AsyncCallback
- Enclosing interface:
- AsyncCallback
@Public public static interface AsyncCallback.VoidCallback extends AsyncCallback
This callback doesn't retrieve anything from the node. It is useful for some APIs that doesn't want anything sent back, e.g.ZooKeeper.sync(String, org.apache.zookeeper.AsyncCallback.VoidCallback, Object)
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Nested Class Summary
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Nested classes/interfaces inherited from interface org.apache.zookeeper.AsyncCallback
AsyncCallback.ACLCallback, AsyncCallback.Children2Callback, AsyncCallback.ChildrenCallback, AsyncCallback.DataCallback, AsyncCallback.MultiCallback, AsyncCallback.StatCallback, AsyncCallback.StringCallback, AsyncCallback.VoidCallback
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
processResult(int rc, java.lang.String path, java.lang.Object ctx)
Process the result of the asynchronous call.
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Method Detail
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processResult
void processResult(int rc, java.lang.String path, java.lang.Object ctx)
Process the result of the asynchronous call. On success, rc isKeeperException.Code.OK
. On failure, rc is set to the corresponding failure code inKeeperException
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KeeperException.Code.NONODE
- The node on given path doesn't exist for some API calls. -
KeeperException.Code.BADVERSION
- The given version doesn't match the node's version for some API calls. -
KeeperException.Code.NOTEMPTY
- the node has children and some API calls cannnot succeed, e.g.ZooKeeper.delete(String, int, org.apache.zookeeper.AsyncCallback.VoidCallback, Object)
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- Parameters:
rc
- The return code or the result of the call.path
- The path that we passed to asynchronous calls.ctx
- Whatever context object that we passed to asynchronous calls.
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