org.abraracourcix.alipes.monitors
Class AbstractMonitor

java.lang.Object
  org.abraracourcix.alipes.monitors.AbstractMonitor

All Implemented Interfaces:

Monitor

Direct Known Subclasses:

Filter, PollingMonitor, StatusListener

public abstract class AbstractMonitor

extends java.lang.Object

implements Monitor

Does most of the grunt work of a monitor, signalling the listeners. Subclasses need to implement the pole method, and should call eventOccurred when they have something to say.

Author:

jdt *

Constructor Summary

AbstractMonitor(Listener listener)
Constructor

Method Summary

protected void

signalListener(Event event, java.lang.Object resource) Subclasses can call this to signal to the listener

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractMonitor

public AbstractMonitor(Listener listener)

Constructor

Parameters:

listener - who's listening to this monitor?

Method Detail

signalListener

protected final void signalListener(Event event,
                                    java.lang.Object resource)
                             throws ListenerException

Subclasses can call this to signal to the listener

Parameters:

event - what happened

resource - to whom?

Throws:

ListenerException - whoopsie - the Listener threw something