RE: [rules-users] Arrays help

I forgot to mention, this assumes you want to maintain the relationships. If you're not interested in these but merely want to process all NameValue objects then a simple rule works fine:- rule "don't worry about preserving relationships" when $n : NameValue ( ) then ... end Simply assert all NameValue objects. _____ From: Anstis, Michael (M.) Sent: 03 October 2007 12:48 To: 'Rules Users List' Subject: RE: [rules-users] Arrays help There are a number of ways... Java dialect [requires LineItem, Parameter and NameValue to be asserted into working memory] rule "a - requires object model change for parent property" when $l : LineItem( ) $p : Parameter ( parent == $l ) $n : NameValue( parent == $p ) then ... end rule "b" when $n : NameValue( ) $p : Parameter ( nameValues contains $n ) $l : LineItem( parameters contains $p ) then ... end MVEL dialect rule "c" dialect mvel when $n : my-mvel-syntax-lets-me-down-but-I-know-you-can-traverse-object-graphs-using- it then ... end _____ From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Bhattacharya, Sougata Sent: 03 October 2007 12:37 To: Rules Users List Subject: [rules-users] Arrays help Hi All, I have a object graph like this LineItem has array of Parameter and each Parameter has array of NameValue and Namevalue object has name and value. Now I have LineItem object in working memory, how to test the value of each value of NameValue object. LineItem-->getParameters() returns Parameter[] Parameter->getNameValueArray() return NameValue[] Each NameValue has name and value attribute Any help? Ta Sougata 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.