session.getAgenda().getAgendaGroup("Phase1").setFocus();
auto-focus automatically sets the focus when the rule is activated, but
that might not be what you want...
Edson
2009/11/3 Rongala, Kanthi <kanthi.rong...@mscibarra.com>
> Hi,
>
> As suggested, I made the following changes, to get the desired output. I
> have some questions regarding the approach to agenda-groups (in drools 5
> context)
>
> 1. I had to enable auto-focus once per each agenda-group. I thought
> agenda-groups were stacked internally by drools engine, and auto-focus might
> be acting as a directional mechanism (help determine which rule under which
> agenda is to be triggered). Clearly, I am mistaken and it seems that
> auto-focus is the way to go.
>
> I would like to know about other ways to set focus on agenda-groups. I have
> seem code snippets on google bearing
> session.setFocus("[agenda-group-name]"). I am currently using
> statefulsession and cann't figure out this 'setFocus()' method
>
> 2. I was 'compelled' to comment out lock-on-active directive. I understand
> that lock-on-active is an variant of no-loop causing each fact to be passed
> to the rule only once in a active agenda (correct me if I am mistaken). With
> lock-on-active set, I was expecting the messages to be print once atleast,
> but the current behavior beats me.
>
> Code is given below:
>
> package com.mscibarra.examples.drools.controllers;
>
> import com.mscibarra.examples.drools.domainentities.*;
>
> rule "Detect and Remove Duplicate Shelves"
> agenda-group "Phase1"
> //lock-on-active
> dialect "mvel"
> auto-focus
> when
> $universe : LibraryUniverse()
> $shelf : Shelf() from $universe.shelves
> $shelf2 : Shelf(this != $shelf) from $universe.shelves
> then
> System.out.println("Duplicate Shelves found::"+$shelf);
> // without the modify(), drools is not alerted about changes
> /*
> modify($universe) {
> shelves.remove($shelf);
> };
> */
> end
>
> rule "Singleton Shelf Detector"
> agenda-group "Phase2"
> //lock-on-active
> dialect "mvel"
> auto-focus
> when
> $universe : LibraryUniverse(shelves.size > 1)
> then
> System.out.println("Multiple Shelves
> found::"+$universe.shelves.size);
> end
>
>
>
> With Regards,
> Swaroop
>
>
> ---------------------------------------------------------------------------------------------
>
> ---------------------------------------------------------------------------------------------
>
> Message: 3
> Date: Mon, 2 Nov 2009 10:51:32 -0500
> From: Edson Tirelli <ed.tire...@gmail.com>
> Subject: Re: [rules-users] Agenda Groups basic question
> To: Rules Users List <rules-users@lists.jboss.org>
> Message-ID:
> <e6dd5ba30911020751nb973184r73cd6dc46e4e5...@mail.gmail.com>
> Content-Type: text/plain; charset="windows-1252"
>
> You need to set the focus for an agenda group to execute.
>
> []s
> Edson
>
> 2009/11/2 Rongala, Kanthi <kanthi.rong...@mscibarra.com>
>
> > Hi,
> >
> >
> >
> > I am new to Drools and trying my hands out at Drools 5. I cann?t figure
> out
> > how to use agenda- groups. I have a small drl file with two agenda groups
> > and one rule per agenda-group. This doesn?t seem to work. However if I
> > happen to comment out the agenda-group attribute, the results are as
> > expected.
> >
> >
> >
> > Please let me know what I am missing.
> >
> >
> >
> > *package* com.mscibarra.examples.drools.controllers;
> >
> >
> >
> > *import* com.mscibarra.examples.drools.domainentities.*;
> >
> >
> >
> >
> >
> > *rule* "Detect and Remove Duplicate Shelves"
> >
> > *agenda-group* "Phase1"
> >
> > *lock-on-active*
> >
> > *dialect* "mvel"
> >
> > *when*
> >
> > $universe : LibraryUniverse()
> >
> > $shelf : Shelf() *from* $universe.shelves
> >
> > $shelf2 : Shelf(*this* != $shelf) *from*$universe.shelves
> >
> > *then*
> >
> > System.out.println("Duplicate Shelves found::"+$shelf);
> >
> > // without the modify(), drools is not alerted about changes
> >
> > // $universe.shelves.remove($shelf);
> >
> > /*
> >
> > *modify*($universe) {
> >
> > shelves.remove($shelf);
> >
> > };
> >
> > */
> >
> >
> >
> > *end*
> >
> >
> >
> > *rule* "Singleton Shelf Detector"
> >
> > *agenda-group* "Phase1"
> >
> > *lock-on-active*
> >
> > *dialect* "mvel"
> >
> > *when*
> >
> > $universe : LibraryUniverse(shelves.size > 1)
> >
> > *then*
> >
> > System.out.println("Multiple Shelves
> found::"+$universe.shelves.size);
> >
> >
> > *End*
> >
> >
> >
> >
> >
> >
> >
> > With Regards,
> >
> > Kanthi Swaroop Rongala
> >
> > * *
> >
> >
> >
> > ------------------------------
> > NOTICE: If received in error, please destroy and notify sender. Sender
> does
> > not intend to waive confidentiality or privilege. Use of this email is
> > prohibited when received in error.
> >
> > _______________________________________________
> > rules-users mailing list
> > rules-users@lists.jboss.org
> > https://lists.jboss.org/mailman/listinfo/rules-users
> >
> >
>
>
> --
> Edson Tirelli
> JBoss Drools Core Development
> JBoss by Red Hat @ www.jboss.com
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> ------------------------------
>
> Message: 4
> Date: Mon, 2 Nov 2009 16:53:54 +0100
> From: "Costigliola Joel \(EXT\)" <joel.costigliola-...@natixis.com>
> Subject: Re: [rules-users] Agenda Groups basic question
> To: "'Rules Users List'" <rules-users@lists.jboss.org>
> Message-ID:
> <201216f96e6d724f9296bfacf6db54641e54c88...@mseumail03.cib.net>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hello,
>
> Maybe a typo mistake but both of your rules have the same agenda group
> (Phase1)
>
> Regards,
>
> Joel
>
> NOTICE: If received in error, please destroy and notify sender. Sender does
> not intend to waive confidentiality or privilege. Use of this email is
> prohibited when received in error.
>
> _______________________________________________
> rules-users mailing list
> rules-users@lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
--
Edson Tirelli
JBoss Drools Core Development
JBoss by Red Hat @ www.jboss.com
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