[rules-users] BRMS: Evaluation: JBoss Rules 3.2?

Anstis, Michael (M.) manstis1 at ford.com
Mon Feb 5 09:35:05 EST 2007


Are there any (port 80) mirrors from where I can download M1?
 
The subversion repository at http://labs.jboss.com
(http://65.244.175.212:8080/portal/jbossrules/subversion.html) is
inaccessible through our company firewalls (well, I get HTTP500 in
reply).
 
Cheers,
 
Mike


________________________________

	From: rules-users-bounces at lists.jboss.org
[mailto:rules-users-bounces at lists.jboss.org] On Behalf Of Mark Proctor
	Sent: 05 February 2007 12:43
	To: Rules Users List
	Subject: Re: [rules-users] BRMS: Evaluation: JBoss Rules 3.2?
	
	
	Sorry you Q was about ruleflow in general, not just general
releases. Yes RuleFlow is in there and Kris has already done some basic
tooling. We are currently trying to decide whether we have the ruleflow
as xml or something like drl. As you do ruleflows with tooling we are
tempted to keep it xml.
	
	Mark
	Anstis, Michael (M.) wrote: 

		Hi,
		 
		Is there any update as to the availability of ruleflow
in 3.2 as it's become pivotal to our use of JBoss Rules?
		 
		Thanks,
		 
		Mike


________________________________

			From: Mark Proctor
[mailto:mproctor at codehaus.org] 
			Sent: 23 January 2007 16:50
			To: Anstis, Michael (M.)
			Subject: Re: [rules-users] BRMS: Evaluation:
JBoss Rules 3.2?
			
			
			as soon as MVEL is ready we'll do an M1, but the
ruleflow part is not exposed to thte drl language yet, that will take a
few more weeks.
			
			Mark
			Anstis, Michael (M.) wrote: 

				I might have a play around just to see
how I get on, but think I'll wait for 3.1 before I get "serious" - can I
get the latest (unstable) code (is it CVS or somewhere)?
				 
				- and I won't be using this private
address ongoing (I didn't want to hit the rules list with news of your
latest code).


________________________________

				From:
rules-users-bounces at lists.jboss.org
[mailto:rules-users-bounces at lists.jboss.org] On Behalf Of Mark Proctor
				Sent: 23 January 2007 16:13
				To: Rules Users List
				Subject: Re: [rules-users] BRMS:
Evaluation: JBoss Rules 3.2?
				
				
				not sure its that simple as the stack
concept is built into the engine. but good luck.
				
				Mark
				Anstis, Michael (M.) wrote: 

				Thanks Mark,
				 
				I think I've got the hang of
AgendaGroups!!
				 
				Presumably if I sub-class DefaultAgenda
and override setFocus(AgendaGroup ag) and getNextfocus() I can implement
my own flow-like mechanism instead of the standard stack. I'd need to
add a way in which to override the DefaultAgenda created in
ReteooWorkingMemory's constructor too but this again should be a simple
sub-class (together with a subclass of ReteooRulebase with override of
newWorkingMemory and a new RuleBaseFactory to allow me to construct
these new objects). Anything major I've missed - my experience with
rules engines now totals a couple of weeks and it's possible I'm missing
the point!!
				 
				With kind regards,
				 
				Mike


________________________________

				From:
rules-users-bounces at lists.jboss.org
[mailto:rules-users-bounces at lists.jboss.org] On Behalf Of Mark Proctor
				Sent: 22 January 2007 16:33
				To: Rules Users List
				Subject: Re: [rules-users] BRMS:
Evaluation: JBoss Rules 3.2?
				
				
				Anstis,
				
				We don't have ruleflow, but we do have
AgendaGroups which can provide a form of rule flow, just that its
actually stack based. I'm working on a more general ruleflow idea at the
moment, it may make it into the end of Q1 release, but its not defnite
yet.
				
				Normally you cache the rulebase in a
singleton and then just creating working memory instances as and when
you need to - creating a working memory is light.
				
				The guided gui builder is for 3.2, it's
web only based on GWT, I believe that it will also do DSLs (Mic will
have to confirm that).
				
				Mark
				Anstis, Michael (M.) wrote: 

				Hi, 

				I'm evaluating BRMS's for a new project
at work. 

				JBoss Rules today swung into pole
position however I am unclear on a number of features. I wonder whether
this user-group can help?

				I list a number of aspects I "think" are
currently missing in JBoss Rules together with my thoughts: If anybody
can clarify the position, provide alternatives or help push JBoss Rules
I'd be pleased to hear!

				*	We require ruleflow (where rules
run sequentially; like "identify all machines X" then "calculate prices"
- not perhaps a good illustration as this could be written as one rule
"calculate all prices using machine XXX"!!!). Ideally "dynamic" ruleflow
is required too - where the next rule in a sequence is determined by the
outcome of a preceding rule (I have seen dynamic achieved with "trigger"
Facts asserted as the RHS of rules however our "Business Users" cannot
be expected to author rules following this design pattern. I have also
seen static implemented with salience). Is ruleflow (static or dynamic)
part of 3.2 - otherwise we'll need to categorise rules having different
types fired throughout a "coded" process in Java. 
				
				*	A J2EE runtime to provide
scalability of the RETE engine. We need to have the engine being shared
across sessions on a web-server. What experiences have others had? Do
you simply provide a working memory instance per session (how does this
scale horizontally?). I also read that an Application Server runtime
would be part of 3.2, is this true? 
				
				*	A rule authoring environment for
end-users. I read on Mark Proctor's blogg that this is in development
but is it set for inclusion in 3.2 and does it handle DSL too; otherwise
we'd have to write out own? 
				

				With kind regards, 

				Michael Anstis
	
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