Connie's Convenience Store - About Peter Coad

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94 Connie’s Convenience Store Progress at This Point Cash cashTendered startDate startTime endDate endTime Session howManyOverInterval howMuchOverInterval 1 Payment abstract amount * AuthorizedPayment abstract authorizationCode authorize Check amtTendered accountNumber bankRoutingNumber AuthorizationServer 1 getAuthorization * * * Person name address phone 1 1 Cashier number 1 password authorizationLevel currentSession isAuthorized assessPerfOverInterval howManyOverInterval howMuchOverInterval Charge cardNumber cardType expirationDate AuthorizationSystem operationalState address vendorNumber type cost authorizationSystemSI getAuthorization * 1 * number 1.. * SaleLineItem * quantity taxStatus calcSubTotal howMuchInTaxCat howManyOverInterval name Store getItemForUPC getCashierForNumber Register howManyOverInterval howMuchOverInterval ReturnLineItem salePrice returnPrice reasonCode saleDate Item number description getPriceForDate howManyOverInterval howMuchForTaxCat howMuchForQty Figure 1–68: Progress at this point (Unified notation). 1 * Sale date time 1 calcSubTotal calcDiscount calcTax calcTotal commit howManyOverInterval howMuchOverInterval 1 1 1 1 * 1 1 * * 1 * Price * 1 price effectiveDate CashDrawer operationalState position balance 1.. * open updateBalance * * * TaxCategory category rate effectiveDate upc UPC PromoPrice expirationDate
Wrap Up Connie’s Convenience Store 95 WRAP-UP You did it! You built an object model for a point-of-sale application. It’s important! Nearly every business uses a point-of-sale application in one form or another. You can directly relate to (and, for some readers, you can directly apply) this object-modeling experience. Along the way, you learned and applied four major activities (purpose and features, objects, responsibilities, scenarios) and four model components (problem domain, human interaction, data management, system interaction). You also learned and applied some strategies and patterns for developing more effective object models. Excellent!
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GETTING STARTED 1 Connie’s Conven
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Identifying System Purpose and Feat
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Selecting Objects Connie’s Conven
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Selecting Problem-Domain Objects Co
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Applying Patterns: Select and Organ
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Establishing Responsibilities for P
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Page 43 and 44: Establishing Responsibilities for P
Page 55 and 56: Applying Patterns: Establish Proble
Page 61 and 62: Working Out Problem-Domain Dynamics
Page 63 and 64: Working Out Problem-Domain Dynamics
Page 65 and 66: Scenario: sale calculates its total
Page 67 and 68: Selecting Human-Interaction objects
Page 69 and 70: Establishing Human Interaction Resp
Page 71 and 72: Establishing Human Interaction Resp
Page 73 and 74: Working Out Human-Interaction Dynam
Page 75 and 76: Scenario: actual cashier logs on. S
Page 77 and 78: Scenario: sell item. Receipt SaleLi
Page 79 and 80: Scenario: get payment by check Rece
Page 81 and 82: Selecting System-Interaction Object
Page 83 and 84: Establishing System-Interaction Res
Page 85 and 86: Working Out System-Interaction Dyna
Page 87 and 88: Selecting Data-Management Objects a
Page 89 and 90: Working Out Data-Management Dynamic
Page 91 and 92: Progress at This Point Connie’s C
Page 93: Progress at This Point Connie’s C
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Connie's Convenience Store - About Peter Coad

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