org.apache.commons.io.monitor

类 FileAlterationMonitor

java.lang.Object

org.apache.commons.io.monitor.FileAlterationMonitor

所有已实现的接口:

Runnable

public final class FileAlterationMonitor
extends Object
implements Runnable

A runnable that spawns a monitoring thread triggering any registered FileAlterationObserver at a specified interval.

从以下版本开始:

2.0

另请参阅:

FileAlterationObserver

构造器概要

构造器

构造器和说明
FileAlterationMonitor() Construct a monitor with a default interval of 10 seconds.
FileAlterationMonitor(long interval) Construct a monitor with the specified interval.
FileAlterationMonitor(long interval, FileAlterationObserver... observers) Construct a monitor with the specified interval and set of observers.

方法概要

限定符和类型	方法和说明
void	addObserver(FileAlterationObserver observer) Add a file system observer to this monitor.
long	getInterval() Return the interval.
Iterable<FileAlterationObserver>	getObservers() Returns the set of FileAlterationObserver registered with this monitor.
void	removeObserver(FileAlterationObserver observer) Remove a file system observer from this monitor.
void	run() Run.
void	setThreadFactory(ThreadFactory threadFactory) Set the thread factory.
void	start() Start monitoring.
void	stop() Stop monitoring.
void	stop(long stopInterval) Stop monitoring.

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

FileAlterationMonitor

public FileAlterationMonitor()

Construct a monitor with a default interval of 10 seconds.

FileAlterationMonitor

public FileAlterationMonitor(long interval)

Construct a monitor with the specified interval.

参数:

interval - The amount of time in miliseconds to wait between checks of the file system

FileAlterationMonitor

public FileAlterationMonitor(long interval,
                             FileAlterationObserver... observers)

Construct a monitor with the specified interval and set of observers.

参数:

interval - The amount of time in miliseconds to wait between checks of the file system

observers - The set of observers to add to the monitor.

方法详细资料

getInterval

public long getInterval()

Return the interval.

返回:

the interval

setThreadFactory

public void setThreadFactory(ThreadFactory threadFactory)

Set the thread factory.

参数:

threadFactory - the thread factory

addObserver

public void addObserver(FileAlterationObserver observer)

Add a file system observer to this monitor.

参数:

observer - The file system observer to add

removeObserver

public void removeObserver(FileAlterationObserver observer)

Remove a file system observer from this monitor.

参数:

observer - The file system observer to remove

getObservers

public Iterable<FileAlterationObserver> getObservers()

Returns the set of FileAlterationObserver registered with this monitor.

返回:

The set of FileAlterationObserver

start

public void start()
           throws Exception

Start monitoring.

抛出:

Exception - if an error occurs initializing the observer

stop

public void stop()
          throws Exception

Stop monitoring.

抛出:

Exception - if an error occurs initializing the observer

stop

public void stop(long stopInterval)
          throws Exception

Stop monitoring.

参数:

stopInterval - the amount of time in milliseconds to wait for the thread to finish. A value of zero will wait until the thread is finished (see Thread.join(long)).

抛出:

Exception - if an error occurs initializing the observer

从以下版本开始:

2.1

run

public void run()

Run.

指定者:

run 在接口中 Runnable