(OOAD) UML Slides

MAPPING DESIGNS TO CODE Atoi Software System Bangalore [email_address]

Objectives: ,[object Object],Introduction: The UML artifacts created during the design phase – collaboration diagrams and design class diagrams – will be used as input to the code generation process. In ROSE – you need only Class Diagram .

Mapping Designs to Code: Public class SalesLineItem { Public SalesLineItem(ProductSpecification spec,int qty); Public float subtotal(); Private int quantity; } Note the addition of the Java Constructor SalesLineItem(…) is derived From the fact that a create(spec,qty) message is sent to a SalesLineItem In the enter item collaboration diagram.

Adding Reference Attributes ,[object Object],[object Object],Public class SalesLineItem { public SalesLineItem(ProductSpecification spec,int qty); public float subtotal(); private int quantity; private ProductSpecification prodSpec; } // simple attribute //Reference attribute

Reference Attributes & Role Name ,[object Object],prodSpec Public class SalesLineItem { public SalesLineItem(ProductSpecification spec,int qty); public float subtotal(); private int quantity; private ProductSpecification prodSpec; } // simple attribute //Reference attribute

Writing Methods with help of collaboration Diagram ,[object Object],Nest Slide>>>

POST – enterItem Method ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Public Void enterItem( int upc, int qty) Message 1 (create sale if new)>> if(isNewSale()){ sale = new Sale();} Message 2 send getspec for catalog to retrieve productspec ProductSpecification spec = productCatalog.specification(upc); Message 3 : send makelineItem to sale Sale.makeLineItem(spec,qty)

The POST – isNewSale Method ,[object Object],private boolean isNewSale() { return ( sale == null) || ( sale.isComplete() ); }

Sale – makeLineItem Method ,[object Object],[object Object],[object Object],[object Object],[object Object]

(OOAD) UML Slides

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(OOAD) UML Slides