Quintiq file version 2.0
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#parent: #root
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Method InitConstraintsForShiftPatterns (
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CapacityPlanningSuboptimizer_CapacityPlanningAlgorithm program,
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const RunContextForCapacityPlanning runcontext,
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const LibOpt_Scope scope
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) const
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{
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Description: 'Initialize constraints for shift pattern optimization'
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TextBody:
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[*
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if( runcontext.UseShiftOptimization() )
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{
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constname1 := typeof( MPFirstPeriodStartOfPlanningConstraint );
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constname2 := typeof( MPFirstPeriodShiftOnUnitConstraint );
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constname3 := typeof( MPFirstPeriodShiftNotUsedConstraint );
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constname4 := typeof( MPFirstPeriodShiftAlreadyUsedConstraint );
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scalefactor_spisused_const1 := this.ScaleConstraintTerm( typeof( MPShiftPatternIsUsedVariable ), constname1 );
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scalefactor_spisfirst_const1 := this.ScaleConstraintTerm( typeof( MPShiftPatternIsFirstVariable ), constname1 );
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scalefactor_spisused_const2 := this.ScaleConstraintTerm( typeof( MPShiftPatternIsUsedVariable ), constname2 );
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scalefactor_spisfirst_const2 := this.ScaleConstraintTerm( typeof( MPShiftPatternIsFirstVariable ), constname2 );
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scalefactor_spisused_const3 := this.ScaleConstraintTerm( typeof( MPShiftPatternIsUsedVariable ), constname3 );
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scalefactor_spisfirst_const3 := this.ScaleConstraintTerm( typeof( MPShiftPatternIsFirstVariable ), constname3 );
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scalefactor_spisfirst_const4 := this.ScaleConstraintTerm( typeof( MPShiftPatternIsFirstVariable ), constname4 );
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scalefactor_spisused_const4 := this.ScaleConstraintTerm( typeof( MPShiftPatternIsUsedVariable ), constname4 );
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scalefactor_rhs_const2 := this.ScaleConstraintRHS( constname2, 1.0 );
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scalefactor_rhs_const3 := this.ScaleConstraintRHS( constname3, 1.0 );
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scalefactor_rhs_const4 := this.ScaleConstraintRHS( constname4, 1.0 );
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constnamemin := typeof( MPMinShiftPatternDurationConstraint );
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scalefactor_spisused_constmin := this.ScaleConstraintTerm( typeof( MPShiftPatternIsUsedVariable ), constnamemin );
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scalefactor_spisfirst_constmin := this.ScaleConstraintTerm( typeof( MPShiftPatternIsFirstVariable ), constnamemin );
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scalefactor_mindurationslack_constmin := this.ScaleConstraintTerm( typeof( MPShiftPatternDurationSlackVariable ), constnamemin );
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scalefactor_rhs_minimumdurationconstr := this.ScaleConstraintRHS( constnamemin, 1.0 );
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constnameone := typeof( MPOneShiftPatternPerUnitPeriodConstraint );
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scalefactor_spisused_constone := this.ScaleConstraintTerm( typeof( MPShiftPatternIsUsedVariable ), constnameone );
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scalefactor_rhs_constone := this.ScaleConstraintRHS( constnameone, 1.0 );
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traverse( scope.GetUnitInOptimizerRunConst(), Elements, parentunit, parentunit.GetUseShiftOptimization() )
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{
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this.InitConstraintsForShiftPatternTotalChanges( program, scope, parentunit );
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traverse( parentunit.GetUnitForShiftOptimization(), Elements, unit )
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{
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// Get every shift pattern allowed on a unit.
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traverse( unit, UnitShiftPatternAllowed.ShiftPattern, sp )
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{
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traverse( unit, UnitPeriod.astype(UnitPeriodTime), up, up.IsInScopeForShiftOptimization( scope ) )
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{
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this.InitConstraintsForShiftPatternFirstPeriod( program,
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scope,
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up,
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sp,
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scalefactor_spisused_const1,
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scalefactor_spisfirst_const1,
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scalefactor_spisused_const2,
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scalefactor_spisfirst_const2,
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scalefactor_spisused_const3,
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scalefactor_spisfirst_const3,
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scalefactor_spisfirst_const4,
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scalefactor_spisused_const4,
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scalefactor_rhs_const2,
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scalefactor_rhs_const3,
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scalefactor_rhs_const4 );
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this.InitConstraintsForShiftPatternMinDuration( program,
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scope,
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up,
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sp,
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scalefactor_spisused_constmin,
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scalefactor_spisfirst_constmin,
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scalefactor_mindurationslack_constmin,
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scalefactor_rhs_minimumdurationconstr );
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// Create constraints for unit periods not in scope that directly follow a unit period in scope.
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nextup := up.NextPlanningUnitPeriod();
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if( not isnull( nextup ) and not nextup.IsInScopeForShiftOptimization( scope ) )
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{
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this.InitConstraintsForShiftPatternFirstPeriod( program,
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scope,
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nextup.astype( UnitPeriodTime ),
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sp,
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scalefactor_spisused_const1,
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scalefactor_spisfirst_const1,
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scalefactor_spisused_const2,
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scalefactor_spisfirst_const2,
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scalefactor_spisused_const3,
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scalefactor_spisfirst_const3,
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scalefactor_spisfirst_const4,
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scalefactor_spisused_const4,
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scalefactor_rhs_const2,
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scalefactor_rhs_const3,
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scalefactor_rhs_const4 );
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this.InitConstraintsForShiftPatternMinDuration( program,
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scope,
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nextup.astype( UnitPeriodTime ),
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sp,
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scalefactor_spisused_constmin,
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scalefactor_spisfirst_constmin,
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scalefactor_mindurationslack_constmin,
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scalefactor_rhs_minimumdurationconstr );
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}
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}
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}
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traverse( unit, UnitPeriod.astype(UnitPeriodTime), up, up.IsInScopeForShiftOptimization( scope ) )
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{
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this.InitConstraintsForShiftPatternOnePerPeriod( program,
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up,
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scalefactor_spisused_constone,
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scalefactor_rhs_constone );
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// Create minimum duration constraints for unit periods not in scope that precede a unit period in scope.
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if( guard( not up.PreviousPlanningUnitPeriod().IsInScopeForShiftOptimization( scope ), false ) )
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{
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this.InitConstraintsForShiftPatternMinDurationOutsideScope( program,
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scope,
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up,
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scalefactor_spisused_constmin,
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scalefactor_spisfirst_constmin,
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scalefactor_mindurationslack_constmin,
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scalefactor_rhs_minimumdurationconstr );
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}
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}
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}
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}
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}
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*]
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InterfaceProperties { Accessibility: 'Module' }
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}
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