[rules-users] How to ensure that a person does not execute the same task twice in a row?

[Cedric Hurst]

I believe you'll probably to create a schedule object that keeps track of all assignments.  From there , we can create a rule to assign a negative constraint penalty to any schedules with two adjacent assignments for the same person with the same task.  

Sent from my iPhone

On Dec 4, 2012, at 10:40 AM, Michiel Vermandel <mvermand at yahoo.com> wrote:

> 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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