2:36 p.m.
Can I have more than one planning entity, let say 4, is it recommended or
poor design?
If any performance related warnings?
thanks in advance
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1:27 a.m.
If you mean more then 1 planning entity class:
Yes, you can, but the construction heuristics in 5.4.0.Final cannot
handle more than 1 class currently. 5.5.0.Beta1's "unified selectors"
will fix that.
If you mean more then 1 planning entity instance:
Of course, real problems can have 50 000 entities and more.
Op 18-06-12 21:36, domingo schreef:
Can I have more than one planning entity, let say 4, is it
recommended or
poor design?
If any performance related warnings?
thanks in advance
-----
with kind regards,
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Geoffrey De Smet
9:43 a.m.
thanks Geoff,
I mean planning entity class. I am using planner-5.4.0.Final. I have 4
planning entity class, what is your advise? what algorithm is best fit for
this or you want me to change the object design?
warm regards
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9:52 a.m.
Either go for a custom SolutionInitializer (which is a lot of work and
easy to get wrong), like this example
https://github.com/droolsjbpm/drools-planner/blob/41b5e306ec8d1221c7620ee...
Or, change the design (if possible) so you only have 1 planning entity class
(and then just configure the 3 lines for First Fit, First Fit Decreasing
or BF or BFF as you can find in the manual and in all other examples).
What's your use case?
It's first time I hear about a use case with more then 2 entity classes,
it's very rare.
Op 19-06-12 16:43, Ricardo schreef:
thanks Geoff,
I mean planning entity class. I am using planner-5.4.0.Final. I have 4
planning entity class, what is your advise? what algorithm is best fit for
this or you want me to change the object design?
warm regards
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10:13 a.m.
thanks Geoff you are right, this is due to poor object design in our use
case. I will change the design and keep you posted the changes.
thanks lot,
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2:16 p.m.
Hello Geoff,
As advised, I am reading the drools-planner.5.4.0.Final user guide, section
*4.3.5.5. Cached problem fact*, I noticed in the example method explaining
about finding out the topic conflict, in this method multiple for loop and
if condition are there, since we use drools expert can I create a drl file
for this logic to handle instead of using java code here, please advise me.
thanks,
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6:27 a.m.
section *4.3.5.5. Cached problem fact* is about precalculated problem facts,
you probably don't need that in a beginner example.
In that example, a topic confict is not the detection of a constraint,
but the combination of any 2 topics that share students and therefor
could trigger a constraint,
if and only if their exams are scheduling at the same time.
Op 19-06-12 21:16, Ricardo schreef:
Hello Geoff,
As advised, I am reading the drools-planner.5.4.0.Final user guide, section
*4.3.5.5. Cached problem fact*, I noticed in the example method explaining
about finding out the topic conflict, in this method multiple for loop and
if condition are there, since we use drools expert can I create a drl file
for this logic to handle instead of using java code here, please advise me.
thanks,
-----
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8:17 a.m.
New subject: drools sample project help
Hello Ge0ffrey,
I am learning drools-planner to use in my project. I created a sample
project for my practice (copy from example project in the example project),
but it is not working correctly. Please kindly review the attached project
folder, help me to understand and find the problem.
thanks,
http://drools.46999.n3.nabble.com/file/n4018098/PlannerProject.rar
PlannerProject.rar
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8:29 a.m.
New subject: drools sample project help
Op 20-06-12 15:17, Ricardo schreef:
it is not working correctly
You 'll have to be more
specific then that :)
Also, community support doesn't include full project code audits...
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Op 20-06-12 15:17, Ricardo schreef:
Hello Ge0ffrey,
I am learning drools-planner to use in my project. I created a sample
project for my practice (copy from example project in the example project),
but it is not working correctly. Please kindly review the attached project
folder, help me to understand and find the problem.
thanks,
http://drools.46999.n3.nabble.com/file/n4018098/PlannerProject.rar
PlannerProject.rar
-----
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