程序包 com.alibaba.druid.pool.ha.node

类 NodeListener

java.lang.Object

java.util.Observable

com.alibaba.druid.pool.ha.node.NodeListener

直接已知子类:

FileNodeListener, ZookeeperNodeListener

public abstract class NodeListener
extends Observable

This abstract class defines a listener to monitor the change of DataSource nodes.

作者:

DigitalSonic

另请参阅:

• Observable

构造器概要

构造器

构造器	说明
NodeListener()

方法概要

修饰符和类型	方法	说明
abstract void	destroy()	Do some cleanup.
Date	getLastUpdateTime()
Observer	getObserver()
String	getPrefix()
Properties	getProperties()
void	init()	Add the given PoolUpdater as the Observer.
abstract List<NodeEvent>	refresh()	The method implements the detail update logic.
void	setLastUpdateTime(Date lastUpdateTime)
void	setObserver(Observer observer)
void	setPrefix(String prefix)
void	setProperties(Properties properties)
void	update()	Fire the refresh() method and notify the Observer.
void	update(List<NodeEvent> events)	Notify the Observer.

从类继承的方法 java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

从类继承的方法 java.lang.Object

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

构造器详细资料

NodeListener

public NodeListener()

方法详细资料

refresh

public abstract List<NodeEvent> refresh()

The method implements the detail update logic.

destroy

public abstract void destroy()

Do some cleanup.

init

public void init()

Add the given PoolUpdater as the Observer.

另请参阅:

• setObserver(Observer)

update

public void update()

Fire the refresh() method and notify the Observer.

另请参阅:

• refresh()
• update(List)

update

public void update(List<NodeEvent> events)

Notify the Observer.

getObserver

public Observer getObserver()

setObserver

public void setObserver(Observer observer)

getLastUpdateTime

public Date getLastUpdateTime()

setLastUpdateTime

public void setLastUpdateTime(Date lastUpdateTime)

getProperties

public Properties getProperties()

setProperties

public void setProperties(Properties properties)

getPrefix

public String getPrefix()

setPrefix

public void setPrefix(String prefix)