This is expected behaviour, let me try to explain.
By adding the ruleflow-group attribute to your rules, you are stating that
these rule should not be executed as normal, but that the order in which these
rules should be executed is specified by a ruleflow. Activations will be
created for rules that are part of a ruleflow-group, but they will only be
executed if the ruleflow-group is activated. To make sure that rules with a
ruleflow-group are executed, you must:
1. Create a ruleflow that specifies when the rules should be activated (using
ruleset nodes)
AND
2. Start the ruleflow whenever appropriate. My guess is that you are not
starting the ruleflow, so the corresponding ruleflow-groups are never
activated. You can either start a ruleflow manually in your code
(workingMemory.startProcess("id_of_your_ruleflow"), for example right before
calling workingMemory.fireAllRules()), or using a rule (probably with a high
salience) with as consequence
drools.getWorkingMemory().startProcess("id_of_your_ruleflow").
It is also normal that all other rules that are not tagged with a
ruleflow-group attribute just execute as before, even in the presence of
ruleflows, both can be used side by side.
Kris
----- Original Message -----
From: Roger Tanuatmadja
To: [email protected]
Sent: Monday, May 19, 2008 9:25 PM
Subject: [rules-users] Re: Ruleflow-group attribute causing rule to not fire
From: "Roger Tanuatmadja" <[EMAIL PROTECTED]>
To: [email protected]
Date: Mon, 19 May 2008 11:55:19 -0700
Subject: Ruleflow-group attribute causing rule to not fire
Hi,
I am new to both rules engine and Drools. I am currently evaluating Drools
4.0.7 for use in our new project.
Basically I have been writing a bunch of individual rules and things have
been fine, the rules that I expected to fire were fired, etc, etc. I then
proceeded to investigate rule flows. I started innocently enough i.e. adding
the ruleflow-group attribute to some of my rules. I also defined a ruleflow
mapping (.rfm).
I then reran my unit-tests (WITHOUT reading the rules in as rule flows) and
some of my rules were no longer firing!!. I added an Agenda Listener to my code
and
1. without the ruleflow-group attribute, activations were created, and
fired.
2. with the ruleflow-group attribute, activations were created but not
fired.
Using the debugger yielded the same logical outcomes i.e. without the
ruleflow-group attribute, my breakpoints were hit, but with the attribute
specified, none of my breakpoints were hit.
My question is: Is this behavior expected? And why? Especially since some
other rules (with the attribute specified) continued to work. I've read the
documentations as much as possible, but I am really new to this field so I
might not even know what questions to ask either.
Any help would be greatly appreciated.
Thanks,
Roger
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