《软件工程》Computer Science 下

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1、Object-OrientedDesignCodeGenerationBillBond11/13/02Chapter20-ProducingCodeMappingdesigntocodeClassdefinitions-classdiagram-staticMethoddefinitions-collaborationdiagram-dynamicInthisorderClass/JavaDefinitionC++ClassDefinition#ifndefSALELINEITEM_H#defineSAL

2、ELINEITEM_H#include"ProductSpecification.h"classSaleLineItem{public:SaleLineItem();SaleLineItem(ProductSpecificationspec,intquantity);floatsubtotal();private:intquantity;ProductSpecificationproductSpec;};#endifConstructorC++Definition#ifndefSALELINEITEM_H

3、#defineSALELINEITEM_H#include"ProductSpecification.h"classSaleLineItem{public:SaleLineItem();SaleLineItem(ProductSpecificationspec,intquantity);floatsubtotal();private:intquantity;ProductSpecificationproductSpec;};#endifReferenceAttributeReferstoanotherob

4、jectContainbyvalueThroughreference/pointerC++Definitionprivate:intquantity;ProductSpecificationproductSpec;};RoleNameReferenceAttributeC++Implementation#ifndefPOST_H#definePOST_H#include"ProductCatalog.h"#include"Sale.h"classPOST{public:POST(ProductCatalo

5、g*catalog);voidendSale();voidenterItem(intupc,intquantity);voidmakePayment(floatcashTendered);voidmakeNewSale();private:ProductCatalog*productCatalog;Sale*sale;};#endifMethodImplementationSelectamethodcallinasequencediagramMethodimplementationistheresulti

6、ngcallsRegister/POSTenterItem()voidPOST::enterItem(intupc,intquantity){ProductSpecificationspec=productCatalog->getSpecification(upc);sale->makeLineItem(spec,quantity);}Sale-makeLineItem()voidSale::makeLineItem(ProductSpecificationspec,intquantity){cout<<

7、"Quantity:"<

8、STLmap-keyedaccessProductCatalogclass-ProductSpecification-productSpecificationsSaleprivate:vectorlineItems;ProductCatalogclassProductCatalog{public:ProductCatalog();ProductSpecificationgetSpecificatio