All getters and setters are present, respecting the jababeans conventions:
Those methods are in Virtualsite
public InetModem getInetModem() {
return inetModem;
}
public void setInetModem(InetModem inetModem) {
this.inetModem = inetModem;
}
And those are in InetModem
public String getPublicIpAddress() {
return publicIpAddress;
}
public void setPublicIpAddress(String publicIpAddress) {
this.publicIpAddress = publicIpAddress;
}
So I don't really see what's wrong ...
Thanks,
Romain Van der Keilen.
-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Ernest Friedman-Hill
Sent: vendredi 21 août 2009 16:54
To: jess-users
Subject: Re: JESS: Accessing Java objects fields from a defrule
Normally, slots in Jess templates are based on JavaBeans properties --
i.e., a method named "getInetModem" will give rise to a slot named
"inetModem". If you include the "include-variables TRUE" declaration,
then slots will also be created based on *public* member variables.
Under no circumstances will Jess create slots based on private member
variables.
On Aug 21, 2009, at 10:39 AM, Romain Van der Keilen wrote:
> Here is the exact code I use:
>
> (import be.uniway.rvk.jesstest.model.*)
> (deftemplate VirtualSite (declare (from-class VirtualSite)))
> (deftemplate InetModem (declare (from-class InetModem)))
>
> (defrule validate-virtualsite
> "Just put the validate attribute to true!"
> ?inetModem <- (InetModem (publicIpAddress ?publicIpAddress))
> (VirtualSite (inetModem ?inetModem))
> =>
> (printout t "Internet modem address: " ?publicIpAddress crlf)
> )
>
>
> Using:
>
> VirtualSite
> + private InetModem inetModem
>
> InetModem
> + private String publicIpAddress
>
> Maybe the private fields are disturbing Jess?
>
> Regards,
>
> Romain Van der Keilen.
>
>
>
> From: [email protected] [mailto:owner-jess-
> [email protected]] On Behalf Of Romain Van der Keilen
> Sent: vendredi 21 août 2009 16:15
> To: [email protected]
> Subject: RE: JESS: Accessing Java objects fields from a defrule
>
> Thanks for the response,
>
> You've exactly put the finger on what I wish do, but I just tried
> that and I've no output :s
>
> From: [email protected] [mailto:owner-jess-
> [email protected]] On Behalf Of Wolfgang Laun
> Sent: vendredi 21 août 2009 15:41
> To: [email protected]
> Subject: Re: JESS: Accessing Java objects fields from a defrule
>
> First, you bind to the contained object, and then you locate the
> containing object.
>
> (defrule mydoor
> ?door <- (Door (weight ?weight)(color ?color))
> (House (myDoor ?door)(owner "Mick"))
> =>
> (printout t "Weight of Mick's door :" ?weight crlf)
> )
>
> Restrictions on weight or color, e.g., to paint red doors black ;-)
> can be added in the usual way.
>
> -W
> On Fri, Aug 21, 2009 at 12:12 PM, Romain Van der Keilen
> <[email protected]
> > wrote:
> Hi there,
>
> I have a little question for you I can't fix by myself: how to
> access the fields of a java Object that is itself a field of an
> other java object?
> Here is a tiny sample :
>
> Object Door
> + int weight
> + String color
>
> Object House
> + Door myDoor
>
> Now I give the House to the Rete engine, how can I access (and
> manipulate) for example the weight of my door?
>
> By now I just can display it like this:
> (defrule mydoor
> (House (myDoor ?myDoor))
> =>
> (printout t "Weight of my house's door :" ?myDoor.weight crlf)
> )
> But the thing I want to do is to catch that weight to make some
> checks on it, then displaying the checks' results (for examples, is
> my door heavier than 25kg).
>
> Thanks for help
>
> Romain Van der Keilen
>
>
>
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---------------------------------------------------------
Ernest Friedman-Hill
Informatics & Decision Sciences Phone: (925) 294-2154
Sandia National Labs
PO Box 969, MS 9012 [email protected]
Livermore, CA 94550 http://www.jessrules.com
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