Fw: [rules-users] rules questions...
Steven Williams
stevenw at objectconsulting.com.au
Sun Jan 7 21:31:27 EST 2007
Joel,
Could you attach the drl file? I will see what I get in my environment.
cheers
Steve
On 1/8/07, Joel G. Rivera-González <el_pio at yahoo.com> wrote:
>
> i tried that...
> this is the error
>
> 28703 [main] FATAL com.prtc.struts.util.ConstructServiceAssuranceTreeMenu
> - org.drools.rule.InvalidRulePackage: Rule Compilation error Redefinition
> of formal parameter "arrayList" Exception:1 errors while compiling unit
> "com/prtc/struts/rules/Rule_pos_baja_feature_menu_0.java"
>
> Joel G. Rivera-Gonzalez
> PRT
>
> "The first 90% of a project takes 90% of the time, the last 10% takes the
> other 90% of the time" - Murphy's Law
>
> ----- Original Message ----
> From: Steven Williams <stevenw at objectconsulting.com.au>
> To: Joel G. Rivera-González <el_pio at yahoo.com>
> Cc: drools <rules-users at lists.jboss.org>
> Sent: Sunday, January 7, 2007 8:50:06 PM
> Subject: Re: Fw: [rules-users] rules questions...
>
> try
>
> global java.util.ArrayList arrayList;
>
> or
>
> global java.util.List arrayList;
>
> On 1/8/07, Joel G. Rivera-González < el_pio at yahoo.com> wrote:
> >
> > setting an ArrayList on a global value like this workingMemory.setGlobal("arrayList",
> > menuArray); on the java code and like this on the rule global ArrayList
> > arrayList;
> >
> > cause the following error:
> > 23304 [main] FATAL
> > com.prtc.struts.util.ConstructServiceAssuranceTreeMenu - Exception in
> > ShowIspServiceAssuranceAction.execute -->
> > org.drools.rule.InvalidRulePackage: Rule Compilation error Redefinition
> > of formal parameter "arrayList" Exception:1 errors while compiling unit
> > "com/prtc/struts/rules/Rule_pos_baja_feature_menu_0.java"
> >
> >
> >
> > Joel G. Rivera-Gonzalez
> > PRT
> >
> > "The first 90% of a project takes 90% of the time, the last 10% takes
> > the other 90% of the time" - Murphy's Law
> >
> > ----- Original Message ----
> > From: Steven Williams < stevenw at objectconsulting.com.au>
> > To: Joel G. Rivera-González <el_pio at yahoo.com>
> > Cc: drools <rules-users at lists.jboss.org>
> > Sent: Sunday, January 7, 2007 6:00:41 PM
> > Subject: Re: Fw: [rules-users] rules questions...
> >
> > Hi Joel,
> >
> > The whole point of globals is that you don't need to assert them you
> > just set them from the calling code, ie:
> >
> > workingMemory.setGlobal("myList", arrayList);
> >
> > You can then use myList in your consequence.
> >
> > There is no way to use an asserted object in a consequence without
> > binding it to a variable in one of the conditions.
> >
> > cheers
> > Steve
> >
> >
> > On 1/8/07, Joel G. Rivera-González <el_pio at yahoo.com> wrote:
> > >
> > > ok..after playing a while with this global thing...i found out that
> > > global variables cant be asserted...
> > >
> > > any other idea of how to use an asserted arrayList on the consequence
> > > without writing it on the conditions?
> > >
> > > Joel G. Rivera-Gonzalez
> > > PRT
> > >
> > > "The first 90% of a project takes 90% of the time, the last 10% takes
> > > the other 90% of the time" - Murphy's Law
> > >
> > > ----- Original Message ----
> > > From: Joel G. Rivera-González < el_pio at yahoo.com>
> > > To: drools < rules-users at lists.jboss.org>
> > > Sent: Sunday, January 7, 2007 10:48:50 AM
> > > Subject: Re: Fw: [rules-users] rules questions...
> > >
> > > thanks for your input...this is exactly what i was looking for !
> > >
> > > :)
> > >
> > > Joel G. Rivera-Gonzalez
> > > PRT
> > >
> > > "The first 90% of a project takes 90% of the time, the last 10% takes
> > > the other 90% of the time" - Murphy's Law
> > >
> > > ----- Original Message ----
> > > From: Steven Williams < stevenw at objectconsulting.com.au>
> > > To: Joel G. Rivera-González < el_pio at yahoo.com>
> > > Cc: rules-users at lists.jboss.org
> > > Sent: Sunday, January 7, 2007 3:53:34 AM
> > > Subject: Re: Fw: [rules-users] rules questions...
> > >
> > > Hi Joel,
> > >
> > > I think you should rather use a global for the ArrayList:
> > >
> > > global java.util.List myList
> > >
> > > rule "cancel_menu"
> > > when
> > > MegaTransferObject(other_EffectiveOrderTypeDsl != null,
> > > other_EffectiveOrderTypeDsl == Constants.NEW_OPEN_ORDER_TYPE)
> > > not MegaTransferObject(orders_FkOrderStatusId != null,
> > > orders_FkOrderStatusId ==
> > > Constants.PENDING_TO_BE_SUBMITTED_ORDER_STATUS)
> > > then
> > > myList.add(new String[]{
> > > Constants.SERVICE_ASSURANCE_TREE_MENU_DSL ,
> > > Constants.SERVICE_ASSURANCE_MENU_CANCEL});
> > > end
> > >
> > > btw - you don't need to put "and" at the end of each constraint.
> > >
> > > cheers
> > > Steve
> > >
> > > On 1/7/07, Joel G. Rivera-González <el_pio at yahoo.com> wrote:
> > > >
> > > > this is a one of my rules...
> > > > rule "cancel_menu"
> > > > when
> > > > arrayList : ArrayList()
> > > > MegaTransferObject(other_EffectiveOrderTypeDsl != null,
> > > > other_EffectiveOrderTypeDsl == Constants.NEW_OPEN_ORDER_TYPE) and
> > > > not MegaTransferObject(orders_FkOrderStatusId != null,
> > > > orders_FkOrderStatusId ==
> > > > Constants.PENDING_TO_BE_SUBMITTED_ORDER_STATUS )
> > > > then
> > > > arrayList.add(new String[]{
> > > > Constants.SERVICE_ASSURANCE_TREE_MENU_DSL ,
> > > > Constants.SERVICE_ASSURANCE_MENU_CANCEL});
> > > > end
> > > >
> > > > i do an assert of an empty arrayList...
> > > > when i use this arrayList : ArrayList() on the when the rule fire
> > > > an error...why?
> > > > will the ArrayList be the same on all the rules (i think it will but
> > > > want to make sure)
> > > >
> > > > Joel G. Rivera-Gonzalez
> > > > PRT
> > > >
> > > > "The first 90% of a project takes 90% of the time, the last 10%
> > > > takes the other 90% of the time" - Murphy's Law
> > > >
> > > > ----- Original Message ----
> > > > From: Kumaran S < kumaran.shanmuhan at gmail.com>
> > > > To: Joel G. Rivera-González <el_pio at yahoo.com>
> > > > Sent: Friday, January 5, 2007 5:42:01 PM
> > > > Subject: Re: [rules-users] rules questions...
> > > >
> > > > getResourceAsStream(ruleDrl) expects to find a drl file based on the
> > > > location represented by " ruleDrl". It should be noted that the
> > > > location should be accessible from the CLASSPATH. You could get a null
> > > > pointer exception, if the location is not accessible from your CLASSPATH.
> > > >
> > > > On 1/5/07, Joel G. Rivera-González <el_pio at yahoo.com> wrote:
> > > >
> > > > > Trying to figure out the new rule system...
> > > > > but it doesnt work...
> > > > >
> > > > > This is my rule:
> > > > >
> > > > > package com.prtc.struts.rules
> > > > >
> > > > > import com.prtc.db.MegaTransferObject
> > > > > import java.util.ArrayList
> > > > > import com.prtc.struts.Constants
> > > > >
> > > > > rule "cancel_menu"
> > > > > when
> > > > > megaTO : MegaexistMegaTransferObject()
> > > > > megaTO(other_EffectiveOrderTypeDsl != null) and
> > > > > megaTO(other_EffectiveOrderTypeDsl ==
> > > > > Constants.NEW_OPEN_ORDER_TYPE ) and
> > > > > megaTO(orders_FkOrderStatusId != null) and
> > > > > megaTO(orders_FkOrderStatusId ==
> > > > > Constants.PENDING_TO_BE_SUBMITTED_ORDER_STATUS)
> > > > >
> > > > > then
> > > > > System.out.println("Hello");
> > > > > end
> > > > >
> > > > > part of my code:
> > > > > InputStreamReader ir = new InputStreamReader(
> > > > > RuleBuilderMgr.class.getClassLoader().getResourceAsStream(ruleDrl));
> > > > > //the null pointer is from this line.
> > > > > builder.addPackageFromDrl(ir);
> > > > >
> > > > > this is the result:
> > > > > 7661 [main] DEBUG
> > > > > org.apache.commons.jci.compilers.JaninoJavaCompiler - compiling
> > > > > com.prtc.struts.rules.Rule_cancel_menu_0
> > > > > 7942 [main] DEBUG
> > > > > org.apache.commons.jci.compilers.JaninoJavaCompiler - compile
> > > > > com.prtc.struts.rules.Rule_cancel_menu_0
> > > > > 8062 [main] DEBUG
> > > > > org.apache.commons.jci.compilers.JaninoJavaCompiler - compiled
> > > > > com.prtc.struts.rules.Rule_cancel_menu_0
> > > > > 8062 [main] DEBUG
> > > > > org.apache.commons.jci.compilers.JaninoJavaCompiler - compiling
> > > > > com.prtc.struts.rules.Rule_cancel_menu_0ConsequenceInvoker
> > > > > 8072 [main] DEBUG
> > > > > org.apache.commons.jci.compilers.JaninoJavaCompiler - compile
> > > > > com.prtc.struts.rules.Rule_cancel_menu_0ConsequenceInvoker
> > > > > 8092 [main] DEBUG
> > > > > org.apache.commons.jci.compilers.JaninoJavaCompiler - compiled
> > > > > com.prtc.struts.rules.Rule_cancel_menu_0ConsequenceInvoker
> > > > >
> > > > > 8102 [main] FATAL
> > > > > com.prtc.struts.util.ConstructServiceAssuranceTreeMenu -
> > > > > Exception in ShowIspServiceAssuranceAction.execute -->
> > > > > java.lang.NullPointerException
> > > > > 8102 [main] FATAL
> > > > > com.prtc.struts.util.ConstructServiceAssuranceTreeMenu -
> > > > > java.lang.NullPointerException
> > > > > at
> > > > > com.prtc.struts.util.ConstructServiceAssuranceTreeMenu.construct(
> > > > > ConstructServiceAssuranceTreeMenu.java:74)
> > > > > at com.prtc.lc.rules.managers.RuleTester.test1(RuleTester.java
> > > > > :299)
> > > > > at com.prtc.lc.rules.managers.RuleTester.main(RuleTester.java
> > > > > :54)
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > Joel G. Rivera-Gonzalez
> > > > > PRT
> > > > >
> > > > > "The first 90% of a project takes 90% of the time, the last 10%
> > > > > takes the other 90% of the time" - Murphy's Law
> > > > >
> > > > > _______________________________________________
> > > > > rules-users mailing list
> > > > > rules-users at lists.jboss.org
> > > > > https://lists.jboss.org/mailman/listinfo/rules-users
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > > --
> > > > Give me a lever long enough... Single-handed, I shall move the
> > > > world!
> > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > rules-users mailing list
> > > > rules-users at lists.jboss.org
> > > > https://lists.jboss.org/mailman/listinfo/rules-users
> > > >
> > > >
> > > >
> > >
> > >
> > > --
> > > Steven Williams
> > >
> > > Supervising Consultant
> > >
> > > Object Consulting
> > > Office: 8615 4500 Mob: 0439 898 668 Fax: 8615 4501
> > > stevenw at objectconsulting.com.au
> > > www.objectconsulting.com.au
> > >
> > > consulting | development | training | support
> > > our experience makes the difference
> > >
> > > _______________________________________________
> > > rules-users mailing list
> > > rules-users at lists.jboss.org
> > > https://lists.jboss.org/mailman/listinfo/rules-users
> > >
> > >
> > > _______________________________________________
> > > rules-users mailing list
> > > rules-users at lists.jboss.org
> > > https://lists.jboss.org/mailman/listinfo/rules-users
> > >
> > >
> > >
> >
> >
> > --
> > Steven Williams
> >
> > Supervising Consultant
> >
> > Object Consulting
> > Office: 8615 4500 Mob: 0439 898 668 Fax: 8615 4501
> > stevenw at objectconsulting.com.au
> > www.objectconsulting.com.au
> >
> > consulting | development | training | support
> > our experience makes the difference
> >
> >
> > _______________________________________________
> > rules-users mailing list
> > rules-users at lists.jboss.org
> > https://lists.jboss.org/mailman/listinfo/rules-users
> >
> >
> >
>
>
> --
> Steven Williams
>
> Supervising Consultant
>
> Object Consulting
> Office: 8615 4500 Mob: 0439 898 668 Fax: 8615 4501
> stevenw at objectconsulting.com.au
> www.objectconsulting.com.au
>
> consulting | development | training | support
> our experience makes the difference
>
>
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
>
--
Steven Williams
Supervising Consultant
Object Consulting
Office: 8615 4500 Mob: 0439 898 668 Fax: 8615 4501
stevenw at objectconsulting.com.au
www.objectconsulting.com.au
consulting | development | training | support
our experience makes the difference
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/rules-users/attachments/20070108/2d4829c5/attachment.html
More information about the rules-users
mailing list