cn.hutool.core.io.watch.watchers

Class WatcherChain

java.lang.Object

cn.hutool.core.io.watch.watchers.WatcherChain

All Implemented Interfaces:

Watcher, Chain<Watcher,WatcherChain>, Iterable<Watcher>

public class WatcherChain
extends Object
implements Watcher, Chain<Watcher,WatcherChain>

观察者链
用于加入多个观察者

Since:

3.1.0

Author:

Looly

Constructor Summary

Constructors

Constructor and Description
WatcherChain(Watcher... watchers) 构造

Method Summary

Modifier and Type	Method and Description
WatcherChain	addChain(Watcher element) 加入责任链
static WatcherChain	create(Watcher... watchers) 创建观察者链WatcherChain
Iterator<Watcher>	iterator()
void	onCreate(WatchEvent<?> event, Path currentPath) 文件创建时执行的方法
void	onDelete(WatchEvent<?> event, Path currentPath) 文件删除时执行的方法
void	onModify(WatchEvent<?> event, Path currentPath) 文件修改时执行的方法 文件修改可能触发多次
void	onOverflow(WatchEvent<?> event, Path currentPath) 事件丢失或出错时执行的方法

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

WatcherChain

public WatcherChain(Watcher... watchers)

构造

Parameters:

watchers - 观察者列表

Method Detail

create

public static WatcherChain create(Watcher... watchers)

创建观察者链WatcherChain

Parameters:

watchers - 观察者列表

Returns:

WatcherChain

onCreate

public void onCreate(WatchEvent<?> event,
                     Path currentPath)

Description copied from interface: Watcher

文件创建时执行的方法

Specified by:

onCreate in interface Watcher

Parameters:

event - 事件

currentPath - 事件发生的当前Path路径

onModify

public void onModify(WatchEvent<?> event,
                     Path currentPath)

Description copied from interface: Watcher

文件修改时执行的方法
文件修改可能触发多次

Specified by:

onModify in interface Watcher

Parameters:

event - 事件

currentPath - 事件发生的当前Path路径

onDelete

public void onDelete(WatchEvent<?> event,
                     Path currentPath)

Description copied from interface: Watcher

文件删除时执行的方法

Specified by:

onDelete in interface Watcher

Parameters:

event - 事件

currentPath - 事件发生的当前Path路径

onOverflow

public void onOverflow(WatchEvent<?> event,
                       Path currentPath)

Description copied from interface: Watcher

事件丢失或出错时执行的方法

Specified by:

onOverflow in interface Watcher

Parameters:

event - 事件

currentPath - 事件发生的当前Path路径

iterator

public Iterator<Watcher> iterator()

Specified by:

iterator in interface Iterable<Watcher>

addChain

public WatcherChain addChain(Watcher element)

Description copied from interface: Chain

加入责任链

Specified by:

addChain in interface Chain<Watcher,WatcherChain>

Parameters:

element - 责任链新的环节元素

Returns:

this