org.zalando.nakadi.service.subscription.zk

Class ChangeListener

java.lang.Object

org.zalando.nakadi.service.subscription.zk.ChangeListener

All Implemented Interfaces:

org.apache.zookeeper.Watcher, ZKSubscription

public abstract class ChangeListener
extends java.lang.Object
implements ZKSubscription, org.apache.zookeeper.Watcher

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.zookeeper.Watcher

org.apache.zookeeper.Watcher.Event

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.curator.framework.CuratorFramework	curatorFramework
protected java.lang.String	key

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ChangeListener(org.apache.curator.framework.CuratorFramework curatorFramework, java.lang.String key, java.lang.Runnable listener)

Method Summary

Modifier and Type	Method and Description
void	cancel()
static ChangeListener	forChildren(org.apache.curator.framework.CuratorFramework curatorFramework, java.lang.String key, java.lang.Runnable listener)
static ChangeListener	forData(org.apache.curator.framework.CuratorFramework curatorFramework, java.lang.String key, java.lang.Runnable listener)
void	process(org.apache.zookeeper.WatchedEvent event)
void	refresh()
protected abstract void	setInternal()

Methods inherited from class java.lang.Object

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

Field Detail

curatorFramework

protected final org.apache.curator.framework.CuratorFramework curatorFramework

key

protected final java.lang.String key

Constructor Detail

ChangeListener

protected ChangeListener(org.apache.curator.framework.CuratorFramework curatorFramework,
                         java.lang.String key,
                         java.lang.Runnable listener)

Method Detail

process

public void process(org.apache.zookeeper.WatchedEvent event)

Specified by:

process in interface org.apache.zookeeper.Watcher

setInternal

protected abstract void setInternal()
                             throws java.lang.Exception

Throws:

java.lang.Exception

refresh

public void refresh()

Specified by:

refresh in interface ZKSubscription

cancel

public void cancel()

Specified by:

cancel in interface ZKSubscription

forChildren

public static ChangeListener forChildren(org.apache.curator.framework.CuratorFramework curatorFramework,
                                         java.lang.String key,
                                         java.lang.Runnable listener)

forData

public static ChangeListener forData(org.apache.curator.framework.CuratorFramework curatorFramework,
                                     java.lang.String key,
                                     java.lang.Runnable listener)