jess
Class JessEventAdapter

java.lang.Object
  jess.JessEventAdapter

All Implemented Interfaces:

java.util.EventListener, JessListener

public class JessEventAdapter

extends java.lang.Object

implements JessListener

A JessEventAdapter that lets you write JessEvent handlers in the Jess language. The adapter serves as "glue" between a source of JessEvents and a Userfunction that will be invoked when an event is received.

(C) 2006 Sandia National Laboratories

Constructor Summary

JessEventAdapter(java.lang.String uf, Rete engine)
Create an adapter.

Method Summary

void	eventHappened(JessEvent e) Called when a JessEvent occurs.

Methods inherited from class java.lang.Object

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

Constructor Detail

JessEventAdapter

public JessEventAdapter(java.lang.String uf,
                        Rete engine)
                 throws JessException

Create an adapter. Normally you'll call this from Jess code using reflection. The first argument is the name of a function to call when a JessEvent occurs; The second is the engine to attach to

Parameters:

uf - The name of a Jess function

engine - The engine to field events from

Throws:

JessException - If anything goes wrong.

Method Detail

eventHappened

public final void eventHappened(JessEvent e)

Called when a JessEvent occurs. The function specified in the constructor is called, with the event object as the only argument. The function can examine the event using reflection.

Specified by:

eventHappened in interface JessListener

Parameters:

e - The event