when
TaskAssignment($person, $taskType, $period1)
TaskAssignment(same $person, same $taskType, earlier than
$period1, $period2)
not TaskAssingment(same $person, same $taskType, earlier than
$period1, later period than $period2)
Op 04-12-12 17:40, Michiel Vermandel
schreef:
Hi,
In my usecase I need
to plan tasks (PlanningEntity).
I have two kinds of
tasks (for example CleaningTask and InspectionTask (inspect
that cleaning was OK)).
Each task needs to be
assigned to a person and a period.
Person and period both
are PlanningVariables.
I need to ensure that
a person does not execute an InspectionTask
twice in a row.
How can I find out
what the previous task is that is assigned to a person?
It is not guaranteed
that the person had a task in the previous period
(period-1).
Thanks,
Michiel
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