org.elasticsearch.watcher

クラス AbstractResourceWatcher<Listener>

java.lang.Object

org.elasticsearch.watcher.AbstractResourceWatcher<Listener>

すべての実装されたインタフェース:

ResourceWatcher

直系の既知のサブクラス:

FileWatcher

public abstract class AbstractResourceWatcher<Listener>
extends Object
implements ResourceWatcher

Abstract resource watcher framework, which handles adding and removing listeners and calling resource observer.

コンストラクタのサマリー

コンストラクタ

コンストラクタと説明
AbstractResourceWatcher()

メソッドのサマリー

修飾子とタイプ	メソッドと説明
void	addListener(Listener listener) Registers new listener
void	checkAndNotify() Called periodically by ResourceWatcherService so resource watcher can check the resource
protected abstract void	doCheckAndNotify() Will be called periodically Implementing watcher should check resource and notify all listeners().
protected abstract void	doInit() Will be called once on initialization
void	init() Called once when the resource watcher is added to ResourceWatcherService
protected List<Listener>	listeners() Returns a list of listeners
void	remove(Listener listener) Unregisters a listener

クラスから継承されたメソッド java.lang.Object

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

コンストラクタの詳細

AbstractResourceWatcher

public AbstractResourceWatcher()

メソッドの詳細

init

public void init()
          throws IOException

インタフェースからコピーされた説明: ResourceWatcher

Called once when the resource watcher is added to ResourceWatcherService

定義:

init インタフェース内 ResourceWatcher

例外:

IOException

checkAndNotify

public void checkAndNotify()
                    throws IOException

インタフェースからコピーされた説明: ResourceWatcher

Called periodically by ResourceWatcherService so resource watcher can check the resource

定義:

checkAndNotify インタフェース内 ResourceWatcher

例外:

IOException

addListener

public void addListener(Listener listener)

Registers new listener

remove

public void remove(Listener listener)

Unregisters a listener

listeners

protected List<Listener> listeners()

Returns a list of listeners

doInit

protected abstract void doInit()
                        throws IOException

Will be called once on initialization

例外:

IOException

doCheckAndNotify

protected abstract void doCheckAndNotify()
                                  throws IOException

Will be called periodically

Implementing watcher should check resource and notify all listeners().

例外:

IOException