8:55 a.m.
Hi,
I use Eclipse Galileo to deploy my EAR application and run a JBoss server
(version 5.1.0GA).
In order to work with Drools, I added the following jars under my JBoss
configuration lib/ folder: drools-api.jar, drools-compiler.jar,
drools-core.jar
My EAR include 2 .drl files - one is loaded and executed in a Servlet that
is loading on startup when JBoss is booting, and the other is loading and
running from the EJB layer.
When JBoss is launched from scratch, the rules get executed normally.
The rules get executed normally also when JBoss is stopped and started
again.
When I republish my EAR while JBoss is running, Eclipse will undeploy the
old EAR and redeploy the new EAR, as it would normally do.
However, in this case (republish/redeploy), no rules get executed except
rules with empty "when" clause.
I found a solution for this problem by replacing the 3 drools jar files from
version 5.1.1 to version 5.0.1.
In addition to my EAR, the JBoss server also runs Guvnor war. Guvnor 5.1.1
includes new features that I would like to use.
As I understand, reverting the 3 jars to 5.0.1 means I cannot use Guvnor
v5.1.1.
I would appreciate help with solving this problem.
Best regards,
Ran
Ran Mochary
Delegate Communications
7:19 a.m.
Hi,
I would appreciate help with my problem of not being able to use Drools jars
5.1.1, as described below.
Is this the proper mailing list?
Regards,
Ran
From: rules-users-bounces(a)lists.jboss.org
[mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Ran Mochary
Sent: Tuesday, February 15, 2011 4:55 PM
To: 'Rules Users List'
Subject: [rules-users] Rules dont execute when republishing EAR on JBoss
Hi,
I use Eclipse Galileo to deploy my EAR application and run a JBoss server
(version 5.1.0GA).
In order to work with Drools, I added the following jars under my JBoss
configuration lib/ folder: drools-api.jar, drools-compiler.jar,
drools-core.jar
My EAR include 2 .drl files - one is loaded and executed in a Servlet that
is loading on startup when JBoss is booting, and the other is loading and
running from the EJB layer.
When JBoss is launched from scratch, the rules get executed normally.
The rules get executed normally also when JBoss is stopped and started
again.
When I republish my EAR while JBoss is running, Eclipse will undeploy the
old EAR and redeploy the new EAR, as it would normally do.
However, in this case (republish/redeploy), no rules get executed except
rules with empty "when" clause.
I found a solution for this problem by replacing the 3 drools jar files from
version 5.1.1 to version 5.0.1.
In addition to my EAR, the JBoss server also runs Guvnor war. Guvnor 5.1.1
includes new features that I would like to use.
As I understand, reverting the 3 jars to 5.0.1 means I cannot use Guvnor
v5.1.1.
I would appreciate help with solving this problem.
Best regards,
Ran
Ran Mochary
Delegate Communications
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9:45 a.m.
New subject: Collect just first instance using the FROM CE
Hi,
I am using Drools version 5.0 . I am facing an issue in my LHS that I haven't been
able to figure out how to resolve :-
The rule looks like this :-
when
$customerCart : CustomerGrid($c_holdings : cartHoldings, $c_productTypes:
productTypes, $c_details : customerDetails)
$productType : java.lang.String() from $c_productTypes
$productType_total : Double()
from accumulate (
CustomerHolding(productType == $productType, $value : percent)
from $c_holdings,
sum ($value)
)
$ch : CustomerHolding (productType == $productType, $group : productGroup) from
$c_holdings
$productType_reference : CustomerDetail(identifier (== $productType || == $group) ,
$productType_limit : purchaseLimit)
from
$c_details
eval ($productType_limit < Math.abs($productType_total.doubleValue()))
then
System.out.println("XYZ");
End
The issue is with this line of code
$ch : CustomerHolding (productType == $productType, $group : productGroup) from
$c_holdings
This will get executed as many times as there are number of CustomerHolding objects for
the given $productType in the $c_holdings collection.
All I need to do is simply get the Associated $group with the $productType and thus should
only get executed once.
Any idea how to go about writing this rule ?
Also is there a better way to write this rule ?
Regards,
Akash
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5059
days inactive
5065
days old
2 comments
2 participants
participants (2)
-
Mohod, Akash -
Ran Mochary