Thanks.
Nimesh Muley wrote:
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.
I
believe kris is going to add a feature to eclipse where you can select
a
ruleflow for it to convert, don't think we are going to go for
auto-detection
and conversion on the fly with the packagebuilder.
Mark
Thanks.
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.
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.
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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