Quintiq file version 2.0
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#parent: #root
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Method InitConstraintsForShiftPatternMinDurationOutsideScope (
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CapacityPlanningSuboptimizer_CapacityPlanningAlgorithm program,
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const LibOpt_Scope scope,
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const UnitPeriodTime up,
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Real scalefactor_spisused_const,
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Real scalefactor_spisfirst_const,
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Real scalefactor_mindurationslack_const,
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Real scalefactor_rhs_minimumdurationconstr
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) const
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{
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Description: 'Finds the first unit period prior to the optimizer scope (going backwards) where the shift pattern changes, and creates minimum duration constraints for it.'
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TextBody:
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[*
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previous := up.PreviousPlanningUnitPeriod();
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if( not isnull( previous ) )
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{
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startingperiod := previous.astype( UnitPeriodTime );
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previousperiod := guard( startingperiod.PreviousPlanningUnitPeriod().astype( UnitPeriodTime ), null( UnitPeriodTime ) );
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// Search the earliest unit period prior to the optimizer scope (going backwards) where the shift pattern changes.
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while( not isnull( previousperiod )
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and previousperiod.ShiftPattern() = startingperiod.ShiftPattern()
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and previousperiod.Start() > (up.Start() - previousperiod.ShiftPattern().MinimumDuration())
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and not previousperiod.IsInScopeForShiftOptimization( scope ) )
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{
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startingperiod := previousperiod;
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previousperiod := previousperiod.PreviousPlanningUnitPeriod().astype( UnitPeriodTime );
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}
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// If the period found above has a change of shift pattern and is preceded by a unit period not in scope,
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// then create the minimum duration constraints for it.
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if( guard( not previousperiod.IsInScopeForShiftOptimization( scope ), true )
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and guard( startingperiod.ShiftPattern() <> previousperiod.ShiftPattern(), true ) )
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{
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traverse( startingperiod, Unit.UnitShiftPatternAllowed.ShiftPattern, sp )
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{
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this.InitConstraintsForShiftPatternMinDuration( program,
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scope,
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startingperiod,
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sp,
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scalefactor_spisused_const,
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scalefactor_spisfirst_const,
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scalefactor_mindurationslack_const,
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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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InterfaceProperties { Accessibility: 'Module' }
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}
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