Hi Zaola,
I may not be right, but I can think of one solution :
when
OASISTSO10($e: EVENT)
EVENT($g: GEO)
OASISTSO10(eval($e.GEO.size >0), )
Then
Assert something
When
$e.GEO[0].POSITION.LOCID matches "40.*")
Then
.....do something else
Not sure if you can combine it all in one statement....
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Otaduy del Paso,
Zaloa
Sent: Tuesday, October 07, 2008 8:53 PM
To: Rules Users List
Subject: RE: RV: [rules-users] Checking an xml field
Hi David,
Thanks for your helpful response. The problem was that the element GEO can
appear 0 or many times so what I needed to write was this
when
OASISTSO10($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: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 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 <[EMAIL PROTECTED]<mailto:[EMAIL
PROTECTED]>> 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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