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limj

2023-09-22 03e824401741da378b27e252bf9d47d9738677e3

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Quintiq file version 2.0
#parent: #root
Method InitConstraintsForCapacityUsage (
  CapacityPlanningSuboptimizer_CapacityPlanningAlgorithm program,
  MPConstraint minconst,
  MPConstraint maxconst,
  const RunContextForCapacityPlanning runcontext,
  const LibOpt_Scope scope,
  const CapacityPlanningSuboptimizer subopt
) const
{
  Description: 'The constraint to calculate the production of period tasks'
  TextBody:
  [*
    // minconst and maxconst UoM: Unit
    
    bound := 0.0;  // To prevent infeasible when the unit is closed
    
    // periodtaskqtyvarname := AlgorithmNameVariable::PTQty(); 
    scalefactor_periodtaskqty_maxconst := subopt.ScaleConstraintTerm( typeof( MPPTQtyVariable ), typeofexpression( maxconst ) );
    scalefactor_periodtaskqty_minconst := subopt.ScaleConstraintTerm( typeof( MPPTQtyVariable ), typeofexpression( minconst ) );
    scalefactor_tripnewsupply_maxconst := subopt.ScaleConstraintTerm( typeof( MPTripNewSupplyVariable ), typeofexpression( maxconst ) );
    scalefactor_tripnewsupply_minconst := subopt.ScaleConstraintTerm( typeof( MPTripNewSupplyVariable ), typeofexpression( minconst ) );
    
    scalefactor_rhs_minconst := subopt.ScaleConstraintRHS( typeofexpression( minconst ), 1.0 );
    scalefactor_rhs_maxconst := subopt.ScaleConstraintRHS( typeofexpression( maxconst ), 1.0 );
    
    this.AddTermsForCapacityUsage( program,
                                   minconst,
                                   maxconst,
                                   scope,
                                   subopt,
                                   this,
                                   scalefactor_periodtaskqty_minconst,
                                   scalefactor_periodtaskqty_maxconst,
                                   scalefactor_tripnewsupply_minconst,
                                   scalefactor_tripnewsupply_maxconst,
                                   bound );
    
    varoverload := this.GetCapacityOverloadedVariable( program );
    
    // Term: UnitCapacityOverloaded variable
    // UoM:         [Unit]
    maxconst.NewTerm( -1.0 * subopt.ScaleConstraintTerm( typeof( MPUnitCapacityOverloadedQuantityVariable ), typeofexpression( maxconst ) ), varoverload );
    
    if( this.NrOfOpen() <= 0 )    // If the unit is closed, it should not be allowed to plan anything, and the overloaded capacity is served as the slack to prevent infeasible
    {
      subopt.FreezeVariableUpperBound( varoverload , bound );
    }
    
    this.UpdateRHSForPeriodTasksNotInScope( minconst, maxconst, runcontext, scope, subopt, scalefactor_rhs_minconst, scalefactor_rhs_maxconst );
  *]
  InterfaceProperties { Accessibility: 'Module' }
}