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<div class="moz-cite-prefix">On 04-11-13 13:10, Juan Ignacio
Barisich wrote:<br>
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<div><span name="Geoffrey De Smet">Geoffrey, thanks for
response.<br>
</span></div>
<span name="Geoffrey De Smet">The </span>the Customer
"toRemove" instance IS the same instance as which is in
the workingSolution's Customer list. In fact, in the
test example I have attached, I get that instance via:<br>
<br>
final Customer toRemove =
workingSolution.getCustomerList().get(0);<br>
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Ok, then that's not the problem indeed.<br>
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I try to reproduce the hack in CloudBalancing's
problemFactChange implementation, but with no success. I
mean, I tried:<br>
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<div> // to clean the next variable of previous in the
chain<br>
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<div> Standstill prev = toRemove.getPreviousStandstill();<br>
scoreDirector.beforeEntityRemoved(prev);<br>
prev.setNextCustomer(null);<br>
scoreDirector.afterEntityRemoved(prev);<br>
<br>
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but this throw an exception like:<br>
java.lang.IllegalStateException: The entity (1(after 66))
has a variable (previousStandstill) with value (66(after
51)) which has a mappedBy variable (nextCustomer) with a
value (null) which is not that entity.<br>
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Ah, that explains it.<br>
<br>
Although you remove the customer instance toRemove,<br>
one of the other customers still has it as previousStandstill<br>
and/or one of the other customers still has it as nextStandstill.
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cite="mid:CAFGE-fU63bWnZEjPn=cCakcmzk2E1J5qWTq-XRskr5MORSp5KA@mail.gmail.com"
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Also, i try to clean the previous variable of the following
item in the chain:<br>
<br>
// to clean the previous variable of the following customer
in the chain<br>
Customer nextCustomer = toRemove.getNextCustomer();<br>
if (nextCustomer != null) {<br>
scoreDirector.beforeEntityRemoved(nextCustomer);<br>
nextCustomer.setPreviousStandstill(null);<br>
scoreDirector.beforeEntityRemoved(nextCustomer);<br>
}<br>
<br>
but this throw an exception like:<br>
java.lang.IllegalStateException: The ScoreDirector (class
org.optaplanner.core.impl.score.director.common.TrailingEntityMapSupport)
is corrupted, because the entity (10(after null)) for chained
planningVariable (previousStandstill) cannot be retracted: it
was never inserted.<br>
<br>
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<div>Can you take a look to the test I have attached and <span
id="result_box" class="" lang="en"><span class="">guide me
to solve this?<br>
<br>
Thanks a lot.<br>
</span></span></div>
<div><span id="result_box" class="" lang="en"><span class="">Regards<br>
</span></span></div>
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<div><br>
<br>
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<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">2013/11/4 Geoffrey De Smet <span
dir="ltr"><<a moz-do-not-send="true"
href="mailto:ge0ffrey.spam@gmail.com" target="_blank">ge0ffrey.spam@gmail.com</a>></span><br>
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<div class="im"> <br>
<div>On 01-11-13 19:38, Juan Ignacio Barisich wrote:<br>
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<div>Hi everybody<br>
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I am using optaplanner in real-time
style. My application domain is similar
to the "Vehicle Routing" example (<a
moz-do-not-send="true"
href="http://docs.jboss.org/drools/release/6.0.0.CR5/optaplanner-docs/html_single/index.html#vehicleRouting"
target="_blank">http://docs.jboss.org/drools/release/6.0.0.CR5/optaplanner-docs/html_single/index.html#vehicleRouting</a>).
I mean, I am using chained variables and
shadow variables. I have a problem while
trying to remove a fact (an entity), via
a ProblemFactChange:<br>
<br>
java.lang.IllegalArgumentException: The
entity instance (...) was never added to
this ScoreDirector. Usually the cause is
that that specific instance was not in
your Solution's entities.<br>
<br>
</div>
The fact removing that I made is like:<br>
<br>
solver.addProblemFactChange(new
ProblemFactChange() {<br>
<br>
@Override<br>
public void
doChange(ScoreDirector scoreDirector) {<br>
...<br>
scoreDirector.beforeEntityRemoved(toRemove);<br>
workingSolution.getCustomerList().remove(toRemove);<br>
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the remove() method will make no difference because the
Customer "toRemove" instance<br>
is not the same instance as which is in the
workingSolution's Customer list.<br>
<br>
See the CloudBalancing's PRoblemFactChange implementation
how to solve this.<br>
And one of the warnings in the Real-time planning section
of the docs to understand it better:)<br>
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scoreDirector.afterEntityRemoved(toRemove);<br>
}<br>
});<br>
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I think the problem is there. Do you know
what I'm doing wrong?<br>
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I have attached a test case based on the
"Vehicle Routing". To run it, just put that
file into the
optaplanner-distribution-6.0.0.CR5/examples/sources/src/test/java/org/optaplanner/examples/vehiclerouting/app/
directory.<br>
<br>
</div>
<a moz-do-not-send="true"
href="http://drools.46999.n3.nabble.com/file/n4017760/serverlog.zip"
rel="nofollow" target="_blank"><span></span></a><span>I'd
appreciate any ideas on how to resolve this.</span></div>
Best regards,<br>
<br>
</div>
Juan Ignacio Barisich<br>
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