7:52 a.m.
I'm doing some simple evaluation of jrules and I ran into a problem.
Here's the rule I'm having problems with:
rule "751845 - Check Stages"
when
order : Order( stages excludes 921 )
then
System.out.println( "This order contains " + order.getStages()
);
end
OUTPUT:
This order contains [804, 921]
I'm actually trying to do the opposite using 'stages contains 921'.
stages is defined as follows in the Order object.
private ArrayList<Integer> stages;
I'm using the 3.0.6 binaries on W2K w/Eclipse.
Any ideas what I'm doing wrong here?
8:08 a.m.
I switched the type to a String, slapped some quotes around 921 and it
works as expected. Any ideas about why it's not working with an
Integer?
________________________________
From: rules-users-bounces(a)lists.jboss.org
[mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Bynum, Joe
Sent: Thursday, April 19, 2007 8:53 AM
To: rules-users(a)lists.jboss.org
Subject: [rules-users] Issue with "contains" keyword
I'm doing some simple evaluation of jrules and I ran into a problem.
Here's the rule I'm having problems with:
rule "751845 - Check Stages"
when
order : Order( stages excludes 921 )
then
System.out.println( "This order contains " + order.getStages()
);
end
OUTPUT:
This order contains [804, 921]
I'm actually trying to do the opposite using 'stages contains 921'.
stages is defined as follows in the Order object.
private ArrayList<Integer> stages;
I'm using the 3.0.6 binaries on W2K w/Eclipse.
Any ideas what I'm doing wrong here?
4:37 p.m.
New subject: questions
Is anyone making database calls in rules from condition side .. if yes
... can anyone send me the lines of code which are working ..
if you declare something global it cant be accessed in LHS .. is this
right ? even though the rule wont throw any error but it wont execute
the line either .. so something like a dao which i will be using to make
various calls to database (in LHS) .. if i decalre it global i cant use
it .. i should not assert it as a fact as it is not a fact .. what's the
right way of doing it ?
Can somebody please help .. Thanks
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1:25 p.m.
Seems the engine does not know your list is composed by Integers and so,
does not convert your 921 constant into an integer.
Not sure if we will be able to change that while keeping java
1.4compatibility, but you can add a JIRA for investigating that.
Meanwhile, best way is probably to set your constant as a global or
something.
[]s
Edson
2007/4/19, Bynum, Joe <jbynum(a)onecommunications.com>:
I switched the type to a String, slapped some quotes around 921 and it
works as expected. Any ideas about why it's not working with an Integer?
------------------------------
*From:* rules-users-bounces(a)lists.jboss.org [mailto:
rules-users-bounces(a)lists.jboss.org] *On Behalf Of *Bynum, Joe
*Sent:* Thursday, April 19, 2007 8:53 AM
*To:* rules-users(a)lists.jboss.org
*Subject:* [rules-users] Issue with "contains" keyword
I'm doing some simple evaluation of jrules and I ran into a problem.
Here's the rule I'm having problems with:
**
*rule*
"751845 - Check Stages"
* when*
order : Order( stages excludes 921 )
* then*
System.out.println( "This order contains " + order.getStages() );
*end*
OUTPUT:
This order contains [804, 921]
I'm actually trying to do the opposite using 'stages contains 921'.
stages is defined as follows in the Order object.
private
ArrayList<Integer> stages;
I'm using the 3.0.6 binaries on W2K w/Eclipse.
Any ideas what I'm doing wrong here?
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Edson Tirelli
Software Engineer - JBoss Rules Core Developer
Office: +55 11 3124-6000
Mobile: +55 11 9218-4151
JBoss, a division of Red Hat @ www.jboss.com
7023
days inactive
7024
days old
3 comments
3 participants
participants (3)
-
Bynum, Joe -
Edson Tirelli -
Sanjay Singh - s0singh