You will need to use the exists keyword.
 
Without digging around for the manual you need to do something like:-
 
when
exists (
    LineItem( $parent: parentId )
    LineItem( id != $parent )
)
then
    // raise the exception
end
 


From: rules-users-bounces@lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Bhattacharya, Sougata
Sent: 28 September 2007 14:50
To: Rules Users List
Subject: RE: [rules-users] Please help

No 30 is not correct, I want if 1  lineItem.parentId does not equals to any of the LineItem.Id throw one exception.

 

Thanks

 

 

 


From: rules-users-bounces@lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Anstis, Michael (M.)
Sent: Friday, September 28, 2007 7:13 PM
To: Rules Users List
Subject: RE: [rules-users] Please help

 

Is 30 correct, you are not clear. Did you want one exception for any number of violations?

 


From: rules-users-bounces@lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Bhattacharya, Sougata
Sent: 28 September 2007 14:33
To: Rules Users List
Subject: RE: [rules-users] Please help

Oh yes this raises 30 exceptions if I have 6 Line Items

 


From: rules-users-bounces@lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Edson Tirelli
Sent: Friday, September 28, 2007 6:53 PM
To: Rules Users List
Subject: Re: [rules-users] Please help

 


   
when
    LineItem( $parent: parentId )
    LineItem( id != $parent )
then
    // raise the exception
end

2007/9/28, Bhattacharya, Sougata < sougata.bhattacharya@capgemini.com>:

 

Hi All,

  I am using drool to validate my business objects. I have a Business object like this

LineItem

   String ID

   String parentId

 

I get 5 LineItems in a row and each line item has ID  and a Parent ID, I will have to check

 

if(parented of Any LineItem ! = ID of any LineITem)

I have to show an exception,

Please help me to solve this

 

Cheers

Su

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  Software Engineer - JBoss Rules Core Developer
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This message contains information that may be privileged or confidential and is the property of the Capgemini Group. It is intended only for the person to whom it is addressed. If you are not the intended recipient, you are not authorized to read, print, retain, copy, disseminate, distribute, or use this message or any part thereof. If you receive this message in error, please notify the sender immediately and delete all copies of this message.

 

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