1:49 p.m.
I'm writing rules in different agenda groups and witnessing something curious.
Right now when I put my fireAllRules() in a callback that is triggered every couple of
seconds I have to do this:
Callback executes on receipt of a heartbeat message:
{
session.setFocus("my_agenda");
session.fireAllRules();
}
What I would prefer to do is this is set my agenda group external to the callback so I
have the liberty to simply use the callback to execute rules on whatever agenda I give
focus to elsewhere:
Callback executes on receipt of a heartbeat message:
{
session.fireAllRules();
}
But this doesn't work.
My understanding is that unless you explicitly set the agenda-group each time, then
fireAllRules() resets your agenda group to "MAIN"?
Is there a way to get the session to retain focus on the agenda group I specify until I
see fit to change it?
Allen F. Bagwell
e-mail: afbagwe(a)sandia.gov
phone: 505/284-4517
fax: 505/ 844-7886
There is no monument dedicated to the memory of a committee. -- Lester J. Pourciau
2:13 p.m.
Bagwell, Allen F wrote:
I'm writing rules in different agenda groups and witnessing something
curious.
Right now when I put my fireAllRules() in a callback that is triggered
every couple of seconds I have to do this:
Callback executes on receipt of a heartbeat message:
{
session.setFocus("my_agenda");
session.fireAllRules();
}
What I would prefer to do is this is set my agenda group external to
the callback so I have the liberty to simply use the callback to
execute rules on whatever agenda I give focus to elsewhere:
Callback executes on receipt of a heartbeat message:
{
session.fireAllRules();
}
But this doesn't work.
My understanding is that unless you explicitly set the agenda-group
each time, then fireAllRules() resets your agenda group to "MAIN"?
No not
quite. It's a stack. when you setFocus, you are assigning that
group to the top of the stack. when you call fireAllRules() it iterates
through that stack, firing all the rules in the top one, popping it,
firing all the rules in the next group until it reaches MAIN (which is
always at the bottom of the stack) and returns when that is empty.
Is there a way to get the session to retain focus on the agenda group
I specify until I see fit to change it?
Allen F. Bagwell
e-mail: afbagwe(a)sandia.gov
phone: 505/284-4517
fax: 505/ 844-7886
There is no monument dedicated to the memory of a committee. -- Lester
J. Pourciau
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3:39 p.m.
Ruleflow groups allow you to group rules together and rules inside a ruleflow group only
execute when the ruleflow-group is active. You can use ruleflow groups inside a ruleflow
but they can be used outside ruleflows as well. You could manually activate and
deactivate ruleflow groups using
workingMemory.getAgenda().[de]activateRuleflowGroup(name). You can decide whether a
ruleflow group should auto-deactivate if it contains no more activations or not.
I guess it's not exactly what you are looking for but it might be useful.
Kris
----- Original Message -----
From: Bagwell, Allen F
To: Rules Users List
Sent: Monday, April 28, 2008 8:49 PM
Subject: [rules-users] Agenda group doesn't stay set?
I'm writing rules in different agenda groups and witnessing something curious.
Right now when I put my fireAllRules() in a callback that is triggered every couple of
seconds I have to do this:
Callback executes on receipt of a heartbeat message:
{
session.setFocus("my_agenda");
session.fireAllRules();
}
What I would prefer to do is this is set my agenda group external to the callback so I
have the liberty to simply use the callback to execute rules on whatever agenda I give
focus to elsewhere:
Callback executes on receipt of a heartbeat message:
{
session.fireAllRules();
}
But this doesn't work.
My understanding is that unless you explicitly set the agenda-group each time, then
fireAllRules() resets your agenda group to "MAIN"?
Is there a way to get the session to retain focus on the agenda group I specify until I
see fit to change it?
Allen F. Bagwell
e-mail: afbagwe(a)sandia.gov
phone: 505/284-4517
fax: 505/ 844-7886
There is no monument dedicated to the memory of a committee. -- Lester J. Pourciau
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rules-users(a)lists.jboss.org
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8:26 a.m.
Actually between yours and Mark's responses this is very useful.
Thanks so much!
-A
________________________________
From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On
Behalf Of Kris Verlaenen
Sent: Monday, April 28, 2008 2:39 PM
To: Rules Users List
Subject: Re: [rules-users] Agenda group doesn't stay set?
Ruleflow groups allow you to group rules together and rules inside a ruleflow group only
execute when the ruleflow-group is active. You can use ruleflow groups inside a ruleflow
but they can be used outside ruleflows as well. You could manually activate and
deactivate ruleflow groups using
workingMemory.getAgenda().[de]activateRuleflowGroup(name). You can decide whether a
ruleflow group should auto-deactivate if it contains no more activations or not.
I guess it's not exactly what you are looking for but it might be useful.
Kris
----- Original Message -----
From: Bagwell, Allen F<mailto:afbagwe@sandia.gov>
To: Rules Users List<mailto:rules-users@lists.jboss.org>
Sent: Monday, April 28, 2008 8:49 PM
Subject: [rules-users] Agenda group doesn't stay set?
I'm writing rules in different agenda groups and witnessing something curious.
Right now when I put my fireAllRules() in a callback that is triggered every couple of
seconds I have to do this:
Callback executes on receipt of a heartbeat message:
{
session.setFocus("my_agenda");
session.fireAllRules();
}
What I would prefer to do is this is set my agenda group external to the callback so I
have the liberty to simply use the callback to execute rules on whatever agenda I give
focus to elsewhere:
Callback executes on receipt of a heartbeat message:
{
session.fireAllRules();
}
But this doesn't work.
My understanding is that unless you explicitly set the agenda-group each time, then
fireAllRules() resets your agenda group to "MAIN"?
Is there a way to get the session to retain focus on the agenda group I specify until I
see fit to change it?
Allen F. Bagwell
e-mail: afbagwe(a)sandia.gov
phone: 505/284-4517
fax: 505/ 844-7886
There is no monument dedicated to the memory of a committee. -- Lester J. Pourciau
________________________________
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3 comments
3 participants
participants (3)
-
Bagwell, Allen F -
Kris Verlaenen -
Mark Proctor