UseCaseDesign汤涛tangt@sinosoft.com.cnAgenda„WhatisdoneUse-CaseDesign„InputstoUse-CaseDesign„Resultingartifacts„Use-CaseRealizationwithdesignmechanisms„InteractionDiagrams„ClassDiagram„UnifiedDesignClassesWhatisdoneinUse-CaseDesign?„Incorporateinterfaces(identifiedinArchitecturalDesign)intoUse-Caserealization„Identifynewsubsystems–reuseopportunities„Describetransactions„IncorporationofarchitectureintoUse-CaserealizationInputstoUse-CaseDesign„Use-CaseModel„Use-CaseRealization(Analysis)„DesignGuidelines–DesignMechanismsStepsInvolvedIncorporateInterfacesintoRealizationIdentifynewSubsystems(optional)DescribeTransactionsIncorporateDesignMechanismsintoRealizationExample:SubsystemsAnalysisClassesDesignElements<<boundary>>BillingSystem<<subsystem>>BillingSystem//submitbill()IBillingSystemmakePayment(Movie,Amount,Customer)<<boundary>>MovieCatalogSystem<<subsystem>>MovieCatalogSystem//getcourseofferings()IMovieCatalogSystemgetMovieListing(today):MovieListExample:BeforeIncorporatingSSinterface:BookingMovieForm:BookingController:MovieCatalogSystem:Schedule:Customer:Customer1.//createschedule()1.1.//getmovielisting()CustomerwishestoBookamovie1.1.1.//getmovieofferings(today)1.2.//displaymovielisting()AlistoftheavailablemoviefortodayaredisplayedAmovieschedule1.3.//displaymovieschedule()isdisplayedforthecustomertoselectmovie2.//selectamovie()2.1.//createschedulewithmoviedetail()2.1.1.//createwithmoviedetail()2.1.2.//addschedule(Schedule)Atthispoint,theSubmitSchedulesubflowisexecutedExample:AfterIncorporatingSSinterface:BookingMovie:BookingController:IBookingCatalog:Schedule:Customer:CustomerFormSystem1://createschedule()1.1.//getmovielisting()Studentwishestocreateanew1.1.1.//getmovieofferings(today)schedule1.2://displaymovielisting()AlistoftheavailablemoviefortodayReplacedwithsubsysteminterfacearedisplayedAmovieschedule1.3://displayschedule()isdisplayedforthec