Quintiq file version 2.0
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#parent: #root
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Method InitConstraintsForCapacityUsage (
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CapacityPlanningSuboptimizer_CapacityPlanningAlgorithm program,
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MPConstraint minconst,
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MPConstraint maxconst,
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const RunContextForCapacityPlanning runcontext,
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const LibOpt_Scope scope,
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const CapacityPlanningSuboptimizer subopt
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) const
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{
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Description: 'The constraint to calculate the production of period tasks'
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TextBody:
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[*
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// minconst and maxconst UoM: Unit
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bound := 0.0; // To prevent infeasible when the unit is closed
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// periodtaskqtyvarname := AlgorithmNameVariable::PTQty();
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scalefactor_periodtaskqty_maxconst := subopt.ScaleConstraintTerm( typeof( MPPTQtyVariable ), typeofexpression( maxconst ) );
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scalefactor_periodtaskqty_minconst := subopt.ScaleConstraintTerm( typeof( MPPTQtyVariable ), typeofexpression( minconst ) );
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scalefactor_tripnewsupply_maxconst := subopt.ScaleConstraintTerm( typeof( MPTripNewSupplyVariable ), typeofexpression( maxconst ) );
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scalefactor_tripnewsupply_minconst := subopt.ScaleConstraintTerm( typeof( MPTripNewSupplyVariable ), typeofexpression( minconst ) );
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scalefactor_rhs_minconst := subopt.ScaleConstraintRHS( typeofexpression( minconst ), 1.0 );
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scalefactor_rhs_maxconst := subopt.ScaleConstraintRHS( typeofexpression( maxconst ), 1.0 );
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this.AddTermsForCapacityUsage( program,
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minconst,
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maxconst,
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scope,
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subopt,
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this,
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scalefactor_periodtaskqty_minconst,
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scalefactor_periodtaskqty_maxconst,
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scalefactor_tripnewsupply_minconst,
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scalefactor_tripnewsupply_maxconst,
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bound );
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varoverload := this.GetCapacityOverloadedVariable( program );
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// Term: UnitCapacityOverloaded variable
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// UoM: [Unit]
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maxconst.NewTerm( -1.0 * subopt.ScaleConstraintTerm( typeof( MPUnitCapacityOverloadedQuantityVariable ), typeofexpression( maxconst ) ), varoverload );
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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
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{
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subopt.FreezeVariableUpperBound( varoverload , bound );
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}
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this.UpdateRHSForPeriodTasksNotInScope( minconst, maxconst, runcontext, scope, subopt, scalefactor_rhs_minconst, scalefactor_rhs_maxconst );
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*]
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InterfaceProperties { Accessibility: 'Module' }
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}
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