2:35 a.m.
Hi all,
Finally the solution was this:
when
OASISTSO10($e: EVENT)
eval($e.getGEO().size() > 0)
OASISTSO10($e.GEO[0].POSITION.LOCID matches "40.*")
then
System.out.println("Rule executed");
Thanks a lot for your help!
Zaloa Otaduy del Paso
________________________________
De: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] En
nombre de Scott Reed
Enviado el: martes, 07 de octubre de 2008 18:56
Para: Rules Users List
Asunto: Re: RV: [rules-users] Checking an xml field
Yes, my suggestion would need to use the access methods (e.g. getGEO()) but I don't
know what their names are.
Otaduy del Paso, Zaloa [10/7/2008 12:38 PM] wrote:
Hi,
I have tried
OASISTSO10($e: EVENT)
EVENT($g: $e.GEO[0])
OASISTSO10($e.GEO[0].POSITION.LOCID matches "40.*")
It makes sense to me, since
OASISTSO10($e: EVENT)
OASISTSO10($e.GEO[0].POSITION.LOCID matches "40.*")
Is working and what I want to check is the field GEO from $e. The issue is that doing what
you suggested (the first code lines) I get the following error:
org.drools.rule.InvalidRulePackage: Unable to create Field Extractor for
'$e.GEO[0]' : [Rule name=DistribuirPorProvincia2, agendaGroup=MAIN, salience=2,
no-loop=false]
org.drools.RuntimeDroolsException: org.drools.RuntimeDroolsException:
org.drools.RuntimeDroolsException: Field/method '$e' not found for class
'es.indra.simge.businessrules.jaxb.tso.EVENT'
at org.drools.rule.Package.checkValidity(Package.java:424)
I have also tried Scott's suggestion:
OASISTSO10($e: EVENT)
eval($e.GEO[0].POSITION.LOCID.equals("40005"))
but I also get the compilation error:
org.drools.rule.InvalidRulePackage: Rule Compilation error : [Rule
name=DistribuirPorProvincia2, agendaGroup=MAIN, salience=2, no-loop=false]
es/indra/simge/businessrules/jaxb/tso/Rule_DistribuirPorProvincia2_0.java (9:441) :
$e.GEO cannot be resolved or is not a field
at org.drools.rule.Package.checkValidity(Package.java:424)
I'm pretty confused because sometimes the $e is recognized as an event, the rules I
already have work, but in other cases the $e.FIELD returns a compilation error.
Zaloa Otaduy del Paso
Consultoría Tecnológica
________________________________
De: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] En
nombre de Knapp, Barry
Enviado el: martes, 07 de octubre de 2008 18:17
Para: Rules Users List
Asunto: RE: RV: [rules-users] Checking an xml field
Might be worth trying
OASISTSO10($e: EVENT)
EVENT($g: $e.GEO[0])
OASISTSO10($e.GEO[0].POSITION.LOCID matches "40.*")
Barry
From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On
Behalf Of Otaduy del Paso, Zaloa
Sent: Tuesday, October 07, 2008 11:23 AM
To: Rules Users List
Subject: RE: RV: [rules-users] Checking an xml field
Hi David,
Thanks for your helpful response. The problem was that the element GEO can appear 0 or
many times so what I needed to write was this
when
OASISTSO10($e: EVENT)
OASISTSO10($e.GEO[0].POSITION.LOCID == "40005")
Then
Action
instead of
when
OASISTSO10($e: EVENT)
OASISTSO10($e.GEO.POSITION.LOCID == "40005")
Then
Action
Now I'm facing another problem. I need to check if the element GEO exists before
checking the POSITION, otherwise it throws an outofbound exception.
I tried with:
when
OASISTSO10($e: EVENT)
EVENT($g: GEO)
OASISTSO10($e.GEO[0].POSITION.LOCID matches "40.*")
But it doesn't work. Any hints on this?
Thanks in advance,
Zaloa Otaduy del Paso
________________________________
De: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] En
nombre de David Sinclair
Enviado el: martes, 07 de octubre de 2008 15:58
Para: Rules Users List
Asunto: Re: RV: [rules-users] Checking an xml field
Read the manual man. Your rules don't make any sense
http://downloads.jboss.com/drools/docs/4.0.7.19894.GA/html_single/
On Tue, Oct 7, 2008 at 9:49 AM, Scott Reed <sreed(a)avacoda.com> wrote:
What is the problem you are seeing? Do the rules compile ok?
Otaduy del Paso, Zaloa [10/6/2008 12:08 PM] wrote:
Does anybody know the answer to my question? I'm not able to solve this issue and
don't find any clarifying tutorial either....
Hi,
I'm new in drools and I'm having some problems accessing an xml field. I'm
using drools with jaxb to treat xml files that follow an specific xsd. I have the
following xml (this is just a piece of the xml):
<OASIS_TSO_1_0>
<EVENT>
<EVENT_ID>EVENT_ID_03/10/2008 10:22:36</EVENT_ID>
<NODE_ID>00</NODE_ID>
<OTHER_EVENT_ID>Incidente UME</OTHER_EVENT_ID>
<EVENT_TYPE>POL</EVENT_TYPE>
<SOURCE>HUMDED</SOURCE>
<SEVERITY>EXTREM</SEVERITY>
<CERTAINTY>88</CERTAINTY>
<DECL_DATIME>2008-10-03T10:20:47.0000000+02:00</DECL_DATIME>
<GEO>
<DESCRIPTION/>
<POSITION>
<LOC_ID>14021</LOC_ID>
<COORD>
<LAT>37.9811636567434</LAT>
<LON>-4.85417587343286</LON>
<HEIGHT>0</HEIGHT>
</COORD>
</POSITION>
</GEO>
</EVENT>
</OASIS_TSO_1_0>
I already have a couple of rules working, but they are simple rules, like this one:
rule "Rule1"
salience 10
when
OASISTSO10($e: EVENT)
OASISTSO10($e.SEVERITY == "EXTREM") or OASISTSO10($e.SEVERITY ==
"SEVERE")
then
action
The problem appears when I have to check the LOC_ID field and I don't know how to
access to it. I have tried several things but none of them work
1.
when
OASISTSO10($e: EVENT)
OASISTSO10($e.GEO.POSITION.LOCID == "40005")
then
2.
when
OASISTSO10($e: EVENT)
OASISTSO10($g: $e.GEO)
OASISTSO10($p: $g.POSITION)
OASISTSO10($p.LOCID == "40005")
Then
I have also tried with ($e.GEO.POSITION.DESCRIPTION, just in case the "_"
character was the problem. But the same results... I have searched also for examples with
xmls but I haven't had luck.
Any help would be appreciated. Thanks in advance,
Zaloa
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