Quintiq file version 2.0
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#parent: #root
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StaticMethod GetConversionFactor (
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const UnitOfMeasure_MP sourceuom,
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const UnitOfMeasure_MP targetuom,
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const Product_MP product
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) const declarative remote as Real
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{
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Description: 'Return the conversion factor object from source to target'
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TextBody:
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[*
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//This method returns NAN if conversion factor is not found.
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//Therefore, it should only be used to check whether the conversion factor exists or not.
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//Should not be used for retrieving the factor value. For that we should always use uom.GetConversionFactor()
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factor := log( -1.0 );
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if( not isnull( sourceuom ) )
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{
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// If the product has conversion factor, traverse from product
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conversionfactor := constnull( ConversionFactor );
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if( not isnull( product )
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and product.HasConversionFactor() )
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{
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conversionfactor := select( product, ConversionFactor, cf,
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cf.SourceUnitOfMeasure() = sourceuom,
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cf.TargetUnitOfMeasure() = targetuom );
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}
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// Else go for source -> target without product specified
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// Do not use else because some product may have HasConversionFactor = true but the specific conversion factor is not specified.
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// In that case, we will use the conversion factor without product
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if( isnull( conversionfactor ) )
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{
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conversionfactor := select( sourceuom, AsSourceUnitOfMeasureWithNullProduct, cf, true, cf.TargetUnitOfMeasure() = targetuom );
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}
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factor := guard( conversionfactor.Factor(), log( -1.0 ) )
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// Chain conversion factor because in web, we may only have conversion factors between default uom and each uom
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if( isnull( conversionfactor ) )
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{
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defaultUOM := sourceuom.MacroPlan().DefaultUnitOfMeasure();
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converttodefaultfactor := select( sourceuom, AsSourceUnitOfMeasureWithNullProduct, cf, true, cf.TargetUnitOfMeasure() = defaultUOM );
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defaulttotargetfactor := select( defaultUOM, AsSourceUnitOfMeasureWithNullProduct, cf, true, cf.TargetUnitOfMeasure() = targetuom );
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factor := guard( converttodefaultfactor.Factor() * defaulttotargetfactor.Factor(), log( -1.0 ) );
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}
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}
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return factor;
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*]
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}
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