10:32 p.m.
Hi everybody.
I have a problem with chained planning variables.
I'm using optaplanner 5.5.0.Final.
I have a planning entity like:
@PlanningEntity()
public class Case implements Chained {
private Chained previous;
@PlanningVariable(chained = true)
@ValueRanges({
@ValueRange(type = ValueRangeType.FROM_SOLUTION_PROPERTY,
solutionProperty = "doctors"),
@ValueRange(type = ValueRangeType.FROM_SOLUTION_PROPERTY,
solutionProperty = "cases", excludeUninitializedPlanningEntity = true) })
public Chained getPrevious() {
return previous;
}
}
A fact class:
public class Doctor implements Chained {
...
}
An a solution class:
public class Plan extends implements Solution<HardAndSoftScore> {
private List<Doctor> doctors;
private List<Case> cases;
private HardAndSoftScore score;
@PlanningEntityCollectionProperty
public List<Case> getCases() {
return cases;
}
public Collection<? extends Object> getProblemFacts() {
return new ArrayList<Doctor>(doctors);
}
}
The equals / hashCode / clone methods are inspired on the
TravelingSalesmanTour example.
I want that Optaplanner generates chains like:
DoctorA <- Case1 <- Case2
DoctorB <- Case3
This model tries to represent a list of Cases assigned to each Doctor.
Suppose I build a solution like:
Plan plan = new Plan();
plan.setDoctors(DoctorA, DoctorB); //pseudo-code
plan.setCases(Case1, Case2); //pseudo-code
Then I build a solver:
Solver solver = getSolverFactory().buildSolver();
solver.setPlanningProblem(plan);
solver.solve();
Plan bestPlan = (Plan) solver.getBestSolution();
The problem is that, Optaplanner is not testing all the posible
combinations of chains. I mean, suppose that we know that the better
solution (based on the scoring rules) is:
DoctorA
DoctorB <- Case1 <- Case2
But Optaplanner seems to test only chains with DoctorA, so the result of
calling getBestSolution() is:
DoctorA <- Case1 <- Case2
I guess that Optaplanner only test chains whit DoctorA, becouse it logs
lines like:
...
DEBUG: org.drools.planner.core.localsearch.DefaultLocalSearchSolverPhase
- Step index (1), time spend (20002), score (1hard/2soft), best
score (1hard/2soft), accepted/selected move count (0/58187) for picked step
(Case [id=2, previous=Doctor [id=1]] => Case [id=1, previous=Case [id=2,
previous=Doctor [id=1]]]).
...
That is, no lines whith "DoctorB" are logged.
If the doctor list is inverted, the same problem happen (the DoctorA is no
processed). That is:
Plan plan = new Plan();
plan.setDoctors(DoctorB, DoctorA); //pseudo-code
plan.setCases(Case1, Case2); //pseudo-code
Solver solver = getSolverFactory().buildSolver();
solver.setPlanningProblem(plan);
solver.solve(); // DoctorA is not part of chains
I guess the problem is on the solver configuration, specifically on the
localSearch configuration:
<localSearch>
<unionMoveSelector>
<changeMoveSelector>
<valueSelector/>
</changeMoveSelector>
<swapMoveSelector />
<subChainChangeMoveSelector>
<selectReversingMoveToo>true</selectReversingMoveToo>
</subChainChangeMoveSelector>
<subChainSwapMoveSelector>
<selectReversingMoveToo>true</selectReversingMoveToo>
</subChainSwapMoveSelector>
</unionMoveSelector>
<acceptor>
<planningEntityTabuSize>9</planningEntityTabuSize>
</acceptor>
<forager>
<minimalAcceptedSelection>2000</minimalAcceptedSelection>
</forager>
</localSearch>
I tried some alternatives to this configuration, but with no success.
Do you know what I am doing wrong?
Thanks a lot.
Regards
12:27 a.m.
Hi again. The problem was a score corruption issue. When I activate de mode
debug:
<environmentMode>DEBUG</environmentMode>
some exceptions appear, like:
java.lang.IllegalStateException: Score corruption: the workingScore
(0hard/-35soft) is not the uncorruptedScore (0hard/-31soft)...
I had to fix some rules, but I cant fix one in particular. When I looking
at the example rules (with chained variables), the most are based only on
the previous item of the chain, e.g.:
rule "distanceToPreviousAppearance"
when
$visit : Visit(previousAppearance != null,
$distanceToPreviousAppearance : distanceToPreviousAppearance)
then
insertLogical(new
IntConstraintOccurrence("distanceToPreviousAppearance",
ConstraintType.NEGATIVE_SOFT,
$distanceToPreviousAppearance,
$visit));
end
When optaplanner do the moves while planning, the IntConstraintOccurrence
works ok, because the drools engine "retracts" the IntConstraintOccurrence
facts properly. But, in my case the score caculation must be based on the
entire chain. That is:
I have some Doctors, and Cases (medical cases). I have to write a score
rule for consider the delay of attention. So, each Case has a request time
(when the patient calls) and a approximate duration of the case (in
minutes). So, if I have the next chain:
Doctor1 -> Case1 (requestTime:8am, duration:60minutes) ->
Case2(requestTime:8:30am,
duration:30minutes) -> Case3(requestTime:8:30am, duration:30minutes)
the delay time for this solution must be: 30min(for Case2) + 60min(for
Case3) = 90 minutes. As yo see, you can't calculate the delay of one Case
only as from its previous on the chain.
I must to implement a rule to calculate a soft constraint, to achive
less-delay plannings. My first attempt looks like:
rule "delaySC"
when
$case : Case( )
eval($case.getDelay() > 0)
then
insertLogical(new IntConstraintOccurrence("delaySC",
ConstraintType.NEGATIVE_SOFT,
$case.getDelay(), $case));
end
I have to do an eval(), because a delay can not be negative. The getDelay()
method process the chain and calculates it. The problem of this attempt, an
other similars, is when the optaplanner engine do the moves while solving,
the IntConstraintOccurrence is not retracted and the score corruption
exception appears.
The question is: ¿have you know similar scenarios, in which you have to
process the entire chain to calculate the score of a solution? ¿is there a
way to solve this?
Thanks
Regards
2013/9/2 Juan Ignacio Barisich <juan.barisich(a)gmail.com>
Hi everybody.
I have a problem with chained planning variables.
I'm using optaplanner 5.5.0.Final.
I have a planning entity like:
@PlanningEntity()
public class Case implements Chained {
private Chained previous;
@PlanningVariable(chained = true)
@ValueRanges({
@ValueRange(type = ValueRangeType.FROM_SOLUTION_PROPERTY,
solutionProperty = "doctors"),
@ValueRange(type = ValueRangeType.FROM_SOLUTION_PROPERTY,
solutionProperty = "cases", excludeUninitializedPlanningEntity = true) })
public Chained getPrevious() {
return previous;
}
}
A fact class:
public class Doctor implements Chained {
...
}
An a solution class:
public class Plan extends implements Solution<HardAndSoftScore> {
private List<Doctor> doctors;
private List<Case> cases;
private HardAndSoftScore score;
@PlanningEntityCollectionProperty
public List<Case> getCases() {
return cases;
}
public Collection<? extends Object> getProblemFacts() {
return new ArrayList<Doctor>(doctors);
}
}
The equals / hashCode / clone methods are inspired on the
TravelingSalesmanTour example.
I want that Optaplanner generates chains like:
DoctorA <- Case1 <- Case2
DoctorB <- Case3
This model tries to represent a list of Cases assigned to each Doctor.
Suppose I build a solution like:
Plan plan = new Plan();
plan.setDoctors(DoctorA, DoctorB); //pseudo-code
plan.setCases(Case1, Case2); //pseudo-code
Then I build a solver:
Solver solver = getSolverFactory().buildSolver();
solver.setPlanningProblem(plan);
solver.solve();
Plan bestPlan = (Plan) solver.getBestSolution();
The problem is that, Optaplanner is not testing all the posible
combinations of chains. I mean, suppose that we know that the better
solution (based on the scoring rules) is:
DoctorA
DoctorB <- Case1 <- Case2
But Optaplanner seems to test only chains with DoctorA, so the result of
calling getBestSolution() is:
DoctorA <- Case1 <- Case2
I guess that Optaplanner only test chains whit DoctorA, becouse it logs
lines like:
...
DEBUG: org.drools.planner.core.localsearch.DefaultLocalSearchSolverPhase
- Step index (1), time spend (20002), score (1hard/2soft), best
score (1hard/2soft), accepted/selected move count (0/58187) for picked step
(Case [id=2, previous=Doctor [id=1]] => Case [id=1, previous=Case [id=2,
previous=Doctor [id=1]]]).
...
That is, no lines whith "DoctorB" are logged.
If the doctor list is inverted, the same problem happen (the DoctorA is no
processed). That is:
Plan plan = new Plan();
plan.setDoctors(DoctorB, DoctorA); //pseudo-code
plan.setCases(Case1, Case2); //pseudo-code
Solver solver = getSolverFactory().buildSolver();
solver.setPlanningProblem(plan);
solver.solve(); // DoctorA is not part of chains
I guess the problem is on the solver configuration, specifically on the
localSearch configuration:
<localSearch>
<unionMoveSelector>
<changeMoveSelector>
<valueSelector/>
</changeMoveSelector>
<swapMoveSelector />
<subChainChangeMoveSelector>
<selectReversingMoveToo>true</selectReversingMoveToo>
</subChainChangeMoveSelector>
<subChainSwapMoveSelector>
<selectReversingMoveToo>true</selectReversingMoveToo>
</subChainSwapMoveSelector>
</unionMoveSelector>
<acceptor>
<planningEntityTabuSize>9</planningEntityTabuSize>
</acceptor>
<forager>
<minimalAcceptedSelection>2000</minimalAcceptedSelection>
</forager>
</localSearch>
I tried some alternatives to this configuration, but with no success.
Do you know what I am doing wrong?
Thanks a lot.
Regards
5:27 p.m.
Thanks Geoffrey. One more question: Is there a planned release date for
optaplanner 6.0.0.Final ?
Thanks again
2013/10/25 Geoffrey De Smet <ge0ffrey.spam(a)gmail.com>
Upgrade to 6.0.0.CR5 (follow the upgrade recipe txt)
and take advantage of the new feature called "shadow variables" (see docs).
Also see the VRP with timewindows example for an implementation that uses
shadow variables :)
On 25-10-13 00:27, Juan Ignacio Barisich wrote:
Hi again. The problem was a score corruption issue. When I activate
de mode debug:
<environmentMode>DEBUG</environmentMode>
some exceptions appear, like:
java.lang.IllegalStateException: Score corruption: the workingScore
(0hard/-35soft) is not the uncorruptedScore (0hard/-31soft)...
I had to fix some rules, but I cant fix one in particular. When I looking
at the example rules (with chained variables), the most are based only on
the previous item of the chain, e.g.:
rule "distanceToPreviousAppearance"
when
$visit : Visit(previousAppearance != null,
$distanceToPreviousAppearance : distanceToPreviousAppearance)
then
insertLogical(new
IntConstraintOccurrence("distanceToPreviousAppearance",
ConstraintType.NEGATIVE_SOFT,
$distanceToPreviousAppearance,
$visit));
end
When optaplanner do the moves while planning, the IntConstraintOccurrence
works ok, because the drools engine "retracts" the IntConstraintOccurrence
facts properly. But, in my case the score caculation must be based on the
entire chain. That is:
I have some Doctors, and Cases (medical cases). I have to write a score
rule for consider the delay of attention. So, each Case has a request time
(when the patient calls) and a approximate duration of the case (in
minutes). So, if I have the next chain:
Doctor1 -> Case1 (requestTime:8am, duration:60minutes) ->
Case2(requestTime:8:30am,
duration:30minutes) -> Case3(requestTime:8:30am, duration:30minutes)
the delay time for this solution must be: 30min(for Case2) + 60min(for
Case3) = 90 minutes. As yo see, you can't calculate the delay of one Case
only as from its previous on the chain.
I must to implement a rule to calculate a soft constraint, to achive
less-delay plannings. My first attempt looks like:
rule "delaySC"
when
$case : Case( )
eval($case.getDelay() > 0)
then
insertLogical(new IntConstraintOccurrence("delaySC",
ConstraintType.NEGATIVE_SOFT,
$case.getDelay(), $case));
end
I have to do an eval(), because a delay can not be negative. The
getDelay() method process the chain and calculates it. The problem of this
attempt, an other similars, is when the optaplanner engine do the moves
while solving, the IntConstraintOccurrence is not retracted and the score
corruption exception appears.
The question is: ¿have you know similar scenarios, in which you have to
process the entire chain to calculate the score of a solution? ¿is there
a way to solve this?
Thanks
Regards
2013/9/2 Juan Ignacio Barisich <juan.barisich(a)gmail.com>
> Hi everybody.
> I have a problem with chained planning variables.
> I'm using optaplanner 5.5.0.Final.
> I have a planning entity like:
>
> @PlanningEntity()
> public class Case implements Chained {
> private Chained previous;
> @PlanningVariable(chained = true)
> @ValueRanges({
> @ValueRange(type = ValueRangeType.FROM_SOLUTION_PROPERTY,
> solutionProperty = "doctors"),
> @ValueRange(type = ValueRangeType.FROM_SOLUTION_PROPERTY,
> solutionProperty = "cases", excludeUninitializedPlanningEntity = true) })
> public Chained getPrevious() {
> return previous;
> }
> }
>
> A fact class:
> public class Doctor implements Chained {
> ...
> }
>
> An a solution class:
> public class Plan extends implements Solution<HardAndSoftScore> {
> private List<Doctor> doctors;
> private List<Case> cases;
> private HardAndSoftScore score;
>
> @PlanningEntityCollectionProperty
> public List<Case> getCases() {
> return cases;
> }
>
> public Collection<? extends Object> getProblemFacts() {
> return new ArrayList<Doctor>(doctors);
> }
> }
>
> The equals / hashCode / clone methods are inspired on the
> TravelingSalesmanTour example.
>
> I want that Optaplanner generates chains like:
> DoctorA <- Case1 <- Case2
> DoctorB <- Case3
>
> This model tries to represent a list of Cases assigned to each Doctor.
> Suppose I build a solution like:
>
> Plan plan = new Plan();
> plan.setDoctors(DoctorA, DoctorB); //pseudo-code
> plan.setCases(Case1, Case2); //pseudo-code
>
> Then I build a solver:
> Solver solver = getSolverFactory().buildSolver();
> solver.setPlanningProblem(plan);
> solver.solve();
> Plan bestPlan = (Plan) solver.getBestSolution();
>
> The problem is that, Optaplanner is not testing all the posible
> combinations of chains. I mean, suppose that we know that the better
> solution (based on the scoring rules) is:
> DoctorA
> DoctorB <- Case1 <- Case2
>
> But Optaplanner seems to test only chains with DoctorA, so the result
> of calling getBestSolution() is:
> DoctorA <- Case1 <- Case2
>
> I guess that Optaplanner only test chains whit DoctorA, becouse it logs
> lines like:
> ...
> DEBUG: org.drools.planner.core.localsearch.DefaultLocalSearchSolverPhase
> - Step index (1), time spend (20002), score (1hard/2soft), best
> score (1hard/2soft), accepted/selected move count (0/58187) for picked step
> (Case [id=2, previous=Doctor [id=1]] => Case [id=1, previous=Case [id=2,
> previous=Doctor [id=1]]]).
> ...
> That is, no lines whith "DoctorB" are logged.
> If the doctor list is inverted, the same problem happen (the DoctorA is
> no processed). That is:
>
> Plan plan = new Plan();
> plan.setDoctors(DoctorB, DoctorA); //pseudo-code
> plan.setCases(Case1, Case2); //pseudo-code
> Solver solver = getSolverFactory().buildSolver();
> solver.setPlanningProblem(plan);
> solver.solve(); // DoctorA is not part of chains
>
>
> I guess the problem is on the solver configuration, specifically on the
> localSearch configuration:
>
> <localSearch>
> <unionMoveSelector>
> <changeMoveSelector>
> <valueSelector/>
> </changeMoveSelector>
> <swapMoveSelector />
> <subChainChangeMoveSelector>
> <selectReversingMoveToo>true</selectReversingMoveToo>
> </subChainChangeMoveSelector>
> <subChainSwapMoveSelector>
> <selectReversingMoveToo>true</selectReversingMoveToo>
> </subChainSwapMoveSelector>
> </unionMoveSelector>
> <acceptor>
> <planningEntityTabuSize>9</planningEntityTabuSize>
> </acceptor>
> <forager>
> <minimalAcceptedSelection>2000</minimalAcceptedSelection>
> </forager>
> </localSearch>
>
> I tried some alternatives to this configuration, but with no success.
>
> Do you know what I am doing wrong?
>
> Thanks a lot.
>
> Regards
>
_______________________________________________
rules-users mailing
listrules-users@lists.jboss.orghttps://lists.jboss.org/mailman/listinfo/rules-users
_______________________________________________
rules-users mailing list
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https://lists.jboss.org/mailman/listinfo/rules-users
6:11 p.m.
On 28-10-13 17:27, Juan Ignacio Barisich wrote:
Thanks Geoffrey. One more question:Is there a planned release date
for
optaplanner 6.0.0.Final ?
When the rest of drools and jbpm and ready to release.
We're on the same
release train :)
But optaplanner 6 is ready for prime time, don't let the "CR5" suffix
make you believe otherwise.
Thanks again
2013/10/25 Geoffrey De Smet <ge0ffrey.spam(a)gmail.com
<mailto:ge0ffrey.spam@gmail.com>>
Upgrade to 6.0.0.CR5 (follow the upgrade recipe txt)
and take advantage of the new feature called "shadow variables"
(see docs).
Also see the VRP with timewindows example for an implementation
that uses shadow variables :)
On 25-10-13 00:27, Juan Ignacio Barisich wrote:
> Hi again. The problem was a score corruption issue. When I
> activate de mode debug:
>
> <environmentMode>DEBUG</environmentMode>
>
> some exceptions appear, like:
>
> java.lang.IllegalStateException: Score corruption: the
> workingScore (0hard/-35soft) is not the uncorruptedScore
> (0hard/-31soft)...
>
> I had to fix some rules, but I cant fix one in particular. When I
> looking at the example rules (with chained variables), the most
> are based only on the previous item of the chain, e.g.:
>
> rule "distanceToPreviousAppearance"
> when
> $visit : Visit(previousAppearance != null,
> $distanceToPreviousAppearance : distanceToPreviousAppearance)
> then
> insertLogical(new
> IntConstraintOccurrence("distanceToPreviousAppearance",
> ConstraintType.NEGATIVE_SOFT,
> $distanceToPreviousAppearance,
> $visit));
> end
>
> When optaplanner do the moves while planning, the
> IntConstraintOccurrence works ok, because the drools engine
> "retracts" the IntConstraintOccurrence facts properly. But, in my
> case the score caculation must be based on the entire chain. That is:
>
> I have some Doctors, and Cases (medical cases). I have to write a
> score rule for consider the delay of attention. So, each Case has
> a request time (when the patient calls) and a approximate
> duration of the case (in minutes). So, if I have the next chain:
>
> Doctor1 -> Case1 (requestTime:8am, duration:60minutes) ->
> Case2(requestTime:8:30am, duration:30minutes) ->
> Case3(requestTime:8:30am, duration:30minutes)
>
> the delay time for this solution must be: 30min(for Case2) +
> 60min(for Case3) = 90 minutes. As yo see, you can't calculate the
> delay of one Case only as from its previous on the chain.
>
> I must to implement a rule to calculate a soft constraint, to
> achive less-delay plannings. My first attempt looks like:
>
> rule "delaySC"
> when
> $case : Case( )
> eval($case.getDelay() > 0)
> then
> insertLogical(new IntConstraintOccurrence("delaySC",
> ConstraintType.NEGATIVE_SOFT,
> $case.getDelay(), $case));
> end
>
> I have to do an eval(), because a delay can not be negative. The
> getDelay() method process the chain and calculates it. The
> problem of this attempt, an other similars, is when the
> optaplanner engine do the moves while solving, the
> IntConstraintOccurrence is not retracted and the score corruption
> exception appears.
>
> The question is: ¿have you know similar scenarios, in which you
> have to process the entire chain to calculate the score of a
> solution?¿is there a way to solve this?
>
> Thanks
>
> Regards
>
>
>
>
>
>
>
> 2013/9/2 Juan Ignacio Barisich <juan.barisich(a)gmail.com
> <mailto:juan.barisich@gmail.com>>
>
> Hi everybody.
> I have a problem with chained planning variables.
> I'm using optaplanner 5.5.0.Final.
> I have a planning entity like:
>
> @PlanningEntity()
> public class Case implements Chained {
> private Chained previous;
> @PlanningVariable(chained = true)
> @ValueRanges({
> @ValueRange(type =
> ValueRangeType.FROM_SOLUTION_PROPERTY, solutionProperty =
> "doctors"),
> @ValueRange(type =
> ValueRangeType.FROM_SOLUTION_PROPERTY, solutionProperty =
> "cases", excludeUninitializedPlanningEntity = true) })
> public Chained getPrevious() {
> return previous;
> }
> }
>
> A fact class:
> public class Doctor implements Chained {
> ...
> }
>
> An a solution class:
> public class Plan extends implements Solution<HardAndSoftScore> {
> private List<Doctor> doctors;
> private List<Case> cases;
> private HardAndSoftScore score;
>
> @PlanningEntityCollectionProperty
> public List<Case> getCases() {
> return cases;
> }
>
> public Collection<? extends Object> getProblemFacts() {
> return new ArrayList<Doctor>(doctors);
> }
> }
>
> The equals / hashCode / clone methods are inspired on the
> TravelingSalesmanTour example.
>
> I want that Optaplanner generates chains like:
> DoctorA <- Case1 <- Case2
> DoctorB <- Case3
>
> This model tries to represent a list of Cases assigned to
> each Doctor.
> Suppose I build a solution like:
>
> Plan plan = new Plan();
> plan.setDoctors(DoctorA, DoctorB); //pseudo-code
> plan.setCases(Case1, Case2); //pseudo-code
>
> Then I build a solver:
> Solver solver = getSolverFactory().buildSolver();
> solver.setPlanningProblem(plan);
> solver.solve();
> Plan bestPlan = (Plan) solver.getBestSolution();
>
> The problem is that, Optaplanner is not testing all the
> posible combinations of chains. I mean, suppose that we know
> that the better solution (based on the scoring rules) is:
> DoctorA
> DoctorB <- Case1 <- Case2
>
> But Optaplanner seems to test only chains with DoctorA, so
> the result of calling getBestSolution() is:
> DoctorA <- Case1 <- Case2
>
> I guess that Optaplanner only test chains whit DoctorA,
> becouse it logs lines like:
> ...
> DEBUG:
> org.drools.planner.core.localsearch.DefaultLocalSearchSolverPhase
> - Step index (1), time spend (20002), score
> (1hard/2soft), best score (1hard/2soft),
> accepted/selected move count (0/58187) for picked step (Case
> [id=2, previous=Doctor [id=1]] => Case [id=1, previous=Case
> [id=2, previous=Doctor [id=1]]]).
> ...
> That is, no lines whith "DoctorB" are logged.
> If the doctor list is inverted, the same problem happen (the
> DoctorA is no processed). That is:
>
> Plan plan = new Plan();
> plan.setDoctors(DoctorB, DoctorA); //pseudo-code
> plan.setCases(Case1, Case2); //pseudo-code
> Solver solver = getSolverFactory().buildSolver();
> solver.setPlanningProblem(plan);
> solver.solve(); // DoctorA is not part of chains
>
>
> I guess the problem is on the solver configuration,
> specifically on the localSearch configuration:
>
> <localSearch>
> <unionMoveSelector>
> <changeMoveSelector>
> <valueSelector/>
> </changeMoveSelector>
> <swapMoveSelector />
> <subChainChangeMoveSelector>
> <selectReversingMoveToo>true</selectReversingMoveToo>
> </subChainChangeMoveSelector>
> <subChainSwapMoveSelector>
> <selectReversingMoveToo>true</selectReversingMoveToo>
> </subChainSwapMoveSelector>
> </unionMoveSelector>
> <acceptor>
> <planningEntityTabuSize>9</planningEntityTabuSize>
> </acceptor>
> <forager>
> <minimalAcceptedSelection>2000</minimalAcceptedSelection>
> </forager>
> </localSearch>
>
> I tried some alternatives to this configuration, but with no
> success.
>
> Do you know what I am doing wrong?
>
> Thanks a lot.
>
> Regards
>
>
>
>
> _______________________________________________
> rules-users mailing list
> rules-users(a)lists.jboss.org <mailto:rules-users@lists.jboss.org>
> https://lists.jboss.org/mailman/listinfo/rules-users
_______________________________________________
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rules-users(a)lists.jboss.org <mailto:rules-users@lists.jboss.org>
https://lists.jboss.org/mailman/listinfo/rules-users
_______________________________________________
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3832
days inactive
3888
days old
4 comments
2 participants
participants (2)
-
Geoffrey De Smet -
Juan Ignacio Barisich