com.neovisionaries.zookeeper

Class NodeReader.Adapter

java.lang.Object

com.neovisionaries.zookeeper.NodeReader.Adapter

All Implemented Interfaces:

NodeReader.Listener

Enclosing class:

NodeReader

public static class NodeReader.Adapter
extends Object
implements NodeReader.Listener

An empty implementation of NodeReader.Listener interface.

Constructor Summary

Constructors

Constructor and Description
Adapter()

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.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Adapter

public Adapter()

Method Detail

onRead

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

Description copied from interface: NodeReader.Listener

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

Specified by:

onRead in interface NodeReader.Listener

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

public void onGaveUp(NodeReader reader)

Description copied from interface: NodeReader.Listener

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().

Specified by:

onGaveUp in interface NodeReader.Listener

Parameters:

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