Package org.apache.commons.jci.monitor

Class FilesystemAlterationMonitor

java.lang.Object

org.apache.commons.jci.monitor.FilesystemAlterationMonitor

All Implemented Interfaces:

java.lang.Runnable

public final class FilesystemAlterationMonitor
extends java.lang.Object
implements java.lang.Runnable

It's a runnable that spawns of a monitoring thread triggering the the observers and managing the their listeners.

Field Summary

Fields

Modifier and Type	Field	Description
private long	delay	delay between calls to FilesystemAlterationObserver.checkAndNotify(), default 3000 ms
private org.apache.commons.logging.Log	log
private java.util.Map<java.io.File,FilesystemAlterationObserver>	observers
private java.lang.Object	observersLock
private boolean	running
private java.lang.Thread	thread

Constructor Summary

Constructors

Constructor	Description
FilesystemAlterationMonitor()

Method Summary

Modifier and Type	Method	Description
void	addListener(java.io.File pRoot, FilesystemAlterationListener pListener)
FilesystemAlterationListener[]	getListenersFor(java.io.File pRoot)
void	removeListener(FilesystemAlterationListener pListener)
void	run()
void	setInterval(long pDelay)	Set the delay between calls to the observers.
void	start()
void	stop()

Methods inherited from class java.lang.Object

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

Field Detail

log

private final org.apache.commons.logging.Log log

observersLock

private final java.lang.Object observersLock

observers

private java.util.Map<java.io.File,FilesystemAlterationObserver> observers

delay

private volatile long delay

delay between calls to FilesystemAlterationObserver.checkAndNotify(), default 3000 ms

thread

private java.lang.Thread thread

running

private volatile boolean running

Constructor Detail

FilesystemAlterationMonitor

public FilesystemAlterationMonitor()

Method Detail

start

public void start()

stop

public void stop()

setInterval

public void setInterval(long pDelay)

Set the delay between calls to the observers.

Parameters:

pDelay - the delay in milliseconds (default if not set 3000 ms)

addListener

public void addListener(java.io.File pRoot,
                        FilesystemAlterationListener pListener)

removeListener

public void removeListener(FilesystemAlterationListener pListener)

getListenersFor

public FilesystemAlterationListener[] getListenersFor(java.io.File pRoot)

run

public void run()

Specified by:

run in interface java.lang.Runnable