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Developer Source 4
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developer source - volume 4.iso
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sdevl
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oct95
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coadf105.gif
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Graphics Interchange Format
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1996-06-19
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59KB
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676x340
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4-bit (16 colors)
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Figure 5. "Sale Calculates Its Total" Scenario View (Round II) Sale SaleLineltem Item Scenario: Sale Calculates its Total calcTotal calcSubtotal howMuchForQty Scenario Constraint: calcSubtotal getPriceForDate 0.1 seconds, 9 out of 10 times, calcTax 0.5 seconds max. calcTotal sale.calcTotal ( ; total) sale.calcSubtotal ( ; subtotal) --- -- > caicsubtotal sale.Lineltem.calcSubtotal ( ; subtotal): howMuchForQty item.howMuchForQty (qty, date ; amt) getPriceForDate :item. getPriceForDate (date ; price) [calcTotal} calc Tax sale.calcTax ( ; totalTax)