5:58 a.m.
Hello everybody,
is there a way to XOR two rules? So if one condition is passed,
that not a specific other rule fires, even if that condition
also passed.
Thanks in advance.
Bojan
6:08 a.m.
Searching for XOR in the "Expert" manual:
ACTIVATION-GROUP
A string identifying an activation (or XOR) group. Only one rule
within an activation group will fire, i.e., the first one to fire
cancels any existing activations of other rules within the same group.
(Basic, basic,...)
On 17/01/2013, Bojan Janisch <bojan.janisch(a)scai.fraunhofer.de> wrote:
Hello everybody,
is there a way to XOR two rules? So if one condition is passed,
that not a specific other rule fires, even if that condition
also passed.
Thanks in advance.
Bojan
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rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
6:12 a.m.
Not explicitly. The usual practise is for each rule to insert a blocking fact and create a
condition in each rule, which ensures that it only fires if the blocking fact doesn't
exist. If you want one to take priority over the other, then you can use salience.
Steve
On 17 Jan 2013, at 11:58, Bojan Janisch <bojan.janisch(a)scai.fraunhofer.de> wrote:
Hello everybody,
is there a way to XOR two rules? So if one condition is passed,
that not a specific other rule fires, even if that condition
also passed.
Thanks in advance.
Bojan
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
3:13 a.m.
Thanks Steve and Wolfgang, that helped me a lot. Not the salience, but using a blocking
fact was very helpful and also using the activation-group. Though I did not found
something about it in the book "Drools JBoss Rules 5.0 Developer's Guide".
Maybe it is just too basic for the book or I'm not skilled enough to find it, probably
the second.
So anyway thanks you two.
----- Ursprüngliche Mail -----
Von: "Stephen Masters" <stephen.masters(a)me.com>
An: "Rules Users List" <rules-users(a)lists.jboss.org>
Gesendet: Donnerstag, 17. Januar 2013 13:12:30
Betreff: Re: [rules-users] XOR Rules
Not explicitly. The usual practise is for each rule to insert a blocking fact and create a
condition in each rule, which ensures that it only fires if the blocking fact doesn't
exist. If you want one to take priority over the other, then you can use salience.
Steve
On 17 Jan 2013, at 11:58, Bojan Janisch <bojan.janisch(a)scai.fraunhofer.de> wrote:
Hello everybody,
is there a way to XOR two rules? So if one condition is passed,
that not a specific other rule fires, even if that condition
also passed.
Thanks in advance.
Bojan
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
7:47 a.m.
The Developer's Guide is a useful tool, and the cookbook is a good
reference as well, but both are supplemental to the documentation as they
each cover portions of functionality, but neither covers it in its
entirety. To do so would be quite the task for a single book, so I would
recommend a good read through the Expert page followed by reading through
the Introduction pages. Seems backwards, but I've found that for me, the
Expert guide builds a good base to understanding the "What's New" stuff
found in the Introduction. In any case, even if it doesn't all make sense
now, you'll likely remember keywords that you can refer back to later when
you need them.
Documentation: http://www.jboss.org/drools/documentation
cookbook link:
http://www.packtpub.com/drools-developers-using-jboss-cookbook/book
Jeremy
On Fri, Jan 18, 2013 at 3:13 AM, Bojan Janisch <
bojan.janisch(a)scai.fraunhofer.de> wrote:
Thanks Steve and Wolfgang, that helped me a lot. Not the salience,
but
using a blocking fact was very helpful and also using the activation-group.
Though I did not found something about it in the book "Drools JBoss Rules
5.0 Developer's Guide". Maybe it is just too basic for the book or I'm not
skilled enough to find it, probably the second.
So anyway thanks you two.
----- Ursprüngliche Mail -----
Von: "Stephen Masters" <stephen.masters(a)me.com>
An: "Rules Users List" <rules-users(a)lists.jboss.org>
Gesendet: Donnerstag, 17. Januar 2013 13:12:30
Betreff: Re: [rules-users] XOR Rules
Not explicitly. The usual practise is for each rule to insert a blocking
fact and create a condition in each rule, which ensures that it only fires
if the blocking fact doesn't exist. If you want one to take priority over
the other, then you can use salience.
Steve
On 17 Jan 2013, at 11:58, Bojan Janisch <bojan.janisch(a)scai.fraunhofer.de>
wrote:
> Hello everybody,
>
> is there a way to XOR two rules? So if one condition is passed,
> that not a specific other rule fires, even if that condition
> also passed.
>
> Thanks in advance.
>
> Bojan
> _______________________________________________
> rules-users mailing list
> rules-users(a)lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
_______________________________________________
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4 comments
4 participants
participants (4)
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Bojan Janisch -
Jeremy Ary -
Stephen Masters -
Wolfgang Laun