com.neovisionaries.zookeeper

Interface NodeReader.Listener

All Known Implementing Classes:

NodeReader.Adapter

Enclosing class:

NodeReader

public static interface NodeReader.Listener

Listener interface to receive the result of reading.

Method Summary

Modifier and Type	Method and Description
void	onGaveUp(NodeReader reader) Called when the NodeReader gave up reading the target znode.
void	onRead(NodeReader reader, byte[] data, org.apache.zookeeper.data.Stat stat) Called when the content of the target znode was read successfully.

Method Detail

onRead

void onRead(NodeReader reader,
            byte[] data,
            org.apache.zookeeper.data.Stat stat)

Called when the content of the target znode was read successfully.

Parameters:

reader - The NodeReader instance which this listener is associated with.

data - The content of the target znode.

stat - Statistics of the target znode.

onGaveUp

void onGaveUp(NodeReader reader)

Called when the NodeReader gave up reading the target znode.

This callback is called when it detects one of the following when it tried to call a ZooKeeper's method (getData() or exists(). Note that this method may not be called so soon and may not be called at all.

1. The given ZooKeeper instance reports AUTH_FAILED or CLOSED.
2. This instance is marked as 'shouldFinish' by NodeReader.finish().

Parameters:

reader - The NodeReader instance which this listener is associated with.