org.apache.avalon.excalibur.monitor.impl
Class ActiveMonitor

java.lang.Object
  org.apache.avalon.excalibur.monitor.impl.AbstractMonitor
      org.apache.avalon.excalibur.monitor.impl.ActiveMonitor

All Implemented Interfaces:

Component, Monitor, java.lang.Runnable

Direct Known Subclasses:

ActiveMonitor

public class ActiveMonitor

extends AbstractMonitor

implements java.lang.Runnable

The ActiveMonitor is used to actively check a set of resources to see if they have changed. It will poll the resources with a frequency as specified or if unspecified with the default (60 seconds).

Version:

$Id: ActiveMonitor.java,v 1.5 2004/02/28 11:47:35 cziegeler Exp $

Author:

Avalon Development Team

Field Summary

Fields inherited from interface org.apache.avalon.excalibur.monitor.Monitor

ROLE

Constructor Summary

ActiveMonitor()

Method Summary

void	run()
void	setFrequency(long frequency) Set the frequency with which the monitor checks the resources.
void	setPriority(int priority) Set the priority of the active monitors thread.
void	start()
void	stop()

Methods inherited from class org.apache.avalon.excalibur.monitor.impl.AbstractMonitor

addResource, addResources, getResource, getResources, removeResource, removeResource, scanAllResources

Methods inherited from class java.lang.Object

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

Constructor Detail

ActiveMonitor

public ActiveMonitor()

Method Detail

setFrequency

public void setFrequency(long frequency)

Set the frequency with which the monitor checks the resources. This can be changed anytime and will be enabled the next time through the check.

Parameters:

frequency - the frequency to scan resources for changes

setPriority

public void setPriority(int priority)

Set the priority of the active monitors thread.

Parameters:

priority - the priority of the active monitors thread.

start

public void start()
           throws java.lang.Exception

Throws:

java.lang.Exception

stop

public void stop()
          throws java.lang.Exception

Throws:

java.lang.Exception

run

public final void run()

Specified by:

run in interface java.lang.Runnable