[rules-users] Inserting a JRuby object via Spring JRubyScriptFactory in Drools

[Anstis, Michael (M.)]

I read that JBoss AS supports JRuby classes running in the JVM...
 
http://oddthesis.org/posts/2009-03-jboss-rails-1-0-0-beta4-in-time-for-t
he-weekend
 
Whilst I haven't used it nor read about it in detail perhaps this is
something that might be of interest.
 
With kind regards,
 
Mike


________________________________

	From: rules-users-bounces at lists.jboss.org
[mailto:rules-users-bounces at lists.jboss.org] On Behalf Of Edson Tirelli
	Sent: 19 March 2009 16:06
	To: Rules Users List
	Subject: Re: [rules-users] Inserting a JRuby object via Spring
JRubyScriptFactory in Drools
	
	

	   Drools always looks for getters/setters, never for the actual
internal attribute. 
	
	   As long as you have an instance of a given interface and your
rules are written against the interface you should be fine in Drools 5.
	
	   Drools 4 used shadow facts, so, there would be more
considerations to make on drools 4.
	
	   []s
	   Edson
	
	
	2009/3/19 Premkumar Stephen <prem18 at gmail.com>
	

		Hello Folks, 

		I have been looking at options of using ruby objects as
fact objects in Drool's working memory.

		One obvious way is using services.

		Another path that I have been researching about is to
use Spring as outlined here
http://www.jroller.com/habuma/entry/spring_meet_ruby 

		Now, in this example, if the Lime ruby object were like
a POJO, (contains fields), will I be able to insert this object into the
workingMemory?  My Lime interface would have getters and setters. Will
the engine look for the fields themselves in an object or can it work
with just getters and setters ( as would be declared in the Lime.java
interface and defined in the Lime.rb ruby class? 

		Are there any drawbacks in doing it this way?

		Any comments/pointers will be appreciated.

		Thanks!!

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	-- 
	 Edson Tirelli
	 JBoss Drools Core Development
	 JBoss, a division of Red Hat @ www.jboss.com
	

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