1:07 a.m.
Hi,
I have raised a feature request for this https://jira.jboss.org/jira/browse/JBRULES-1797
and also submitted a patch (JBRULES-1797.patch.zip) for the same. If there are any changes
in the patch kindly let me know.
Thanks.
Regards,
- Nimesh
From: rules-dev-bounces(a)lists.jboss.org [mailto:rules-dev-bounces@lists.jboss.org] On
Behalf Of Nimesh Muley
Sent: Monday, October 06, 2008 10:08 AM
To: 'rules-dev(a)lists.jboss.org'
Subject: [rules-dev] RE: [rules-users] Compatibility of Rule Flows from 4.0.7 to 5.0.0
Hi,
By going through the code it seems possible to achieve this by modifying
ProcessBuilder.addProcessFromFile. Easiest check would be to see whether the XML contains
element called as "process". Since XML Parsing is internal to the individual
releases (4.0 uses XStream and 5.0 uses XMLReader), I am not sure whether we should form a
XML document from the reader to check if the process belongs to version 4.0 or
compliant.
Brute force check would be indexOf ("<process") >= 0 then it is 5.0 else
4.0 ;-). I am sure there would be better ways than this kind of check.
I do not mind taking this further. Due to lack of in depth knowledge about drools, I am
not able to decide what the approach should be for checking the version.
This would be a really good feature as it would mean that drools 5.0 is backward compliant
for rule flows J. And this adds lot of confidence to enterprises.
p.s. Since this was now moving towards dev, I have moved the thread to the dev mailing
list.
Thanks.
Regards,
- Nimesh
From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On
Behalf Of Mark Proctor
Sent: Saturday, October 04, 2008 9:37 PM
To: Rules Users List
Subject: Re: [rules-users] Compatibility of Rule Flows from 4.0.7 to 5.0.0
You are a star, that saves us a lot of work :) I'm wondering if we can work this into
the package reader and some how have it detect whether something is version 4 or 5 and
convert first if it's 4, fancy having a look and seeing if that's possible?
Mark
Nimesh Muley wrote:
Hi,
I have attached a file for translating rule flows from 4.0 to 5.0. I have tested my flows
with the XSL and it works fine. However, the XSLT may not be quite slick or compact as I
have touched upon XSLT after a long time. I have covered all the nodes available (ruleSet,
start, end, join, split, milestone, action and subProcess).
There is one issue in the XSLT. I have not added the xmlns attribute to the process
element. Reason is that this attribute appears in child nodes too with empty string, even
though it is not mentioned for the child nodes. This attribute is needed in the
'process' node because the Eclipse editor for 5.0 ignores the process node if
there are more than 2 sub processes in that ruleflow. Am not sure why this is happening
but that has been my observation.
In case XSLT is not present as an attachment then let me know the location where it can be
uploaded.
Thanks.
Regards,
- Nimesh
From:
rules-users-bounces@lists.jboss.org<mailto:rules-users-bounces@lists.jboss.org>
[mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Mark Proctor
Sent: Tuesday, September 30, 2008 7:26 PM
To: Rules Users List
Subject: Re: [rules-users] Compatibility of Rule Flows from 4.0.7 to 5.0.0
No they are not compatible, 5.0 has a new ePDL XML language that is human writable. I
suggest that somone in the community starts looking into an XSLT to translate them.
Mark
Vikrant Yagnick wrote:
Hi All,
I wanted to know if RuleFlows made using the Eclipse 4.0.7 RuleFlow Builder will work with
5.0.0. When, I try to upload a 4.0.7 ruleflow into Guvnor, I get a NullPointerException
and before that the following:
Cannot find the declaration of element
'org.drools.ruleflow.core.impl.RuleFlowProcessImpl'.
I checked the 5.0.0M1 jars for drools-core, and this class seems to have been removed from
there. Also, after installing the 5.0.0 plug-in into Eclipse, my rule-flow nodes have all
gone.
Also, this may be a minor bug but it says(both in the docs and the BRMS Guvnor M1
Release):
"Ruleflows allow flow control between rules. The eclipse plugin provides a graphical
editor. Upload ruleflow .rf files for inclusion in this package.":
Should the .rf say .rfm ?
Cheers,
Vikrant
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