powerdesigner与对象建模

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1、PowerDesigner与对象建模WhyUsingUML?VisuallydefineandcommunicatethestructureandbehaviorofanapplicationRepresentsystemsusingObject-OrientedconceptsLinkOOconceptstoexecutablecodeBriefOverviewofUMLUMLisdefinedbyOMG.UMLconsistsof9diagrams:StaticClassdiagramObjectdiagramDynamicUseCasediagramSequencedi

2、agramStatechartdiagramCollaborationdiagramActivitydiagramImplementationComponentdiagramDeploymentdiagramUMLSupportinPowerDesignerPowerDesignersupportsallnineUMLdiagramsPowerDesignersupportsUML1.4FutureversionofPowerDesignerwillsupportUML2.0UseCaseDiagramAUseCaseDiagramdescribestheActors,the

3、UseCasesandtheinteractionbetweentheActorsandtheUseCases.CollaborationDiagramACollaborationDiagramdescribestheinteractionbetweenobjects(instanceofclasses)byexchangingmessages.CollaborationDiagramcanbeusedtoidentifyclassesandoperationsSequenceDiagramASequenceDiagramdescribestheinteractionbetw

4、eenobjectsandhowthemessagesareexchangedovertime.SequenceDiagramisusedtoidentifyclassesandoperationsActivityDiagramAnActivityDiagramdescribesthelogicandthecontrolflowofaUseCase,anOperationoranotherActivity.StatechartDiagramAStatechartDiagramisusedtomodeltheStatesandTransitionsofaClassObjectD

5、iagramAnObjectDiagramshowstherelationshipsbetweenObjectInstancesClassDiagramAClassDiagramdefinestheClasses,Interfaces,Attributes,Operations,Relationships,Inheritances,…AClassDiagramcanbeusedtodefinepersistentobjects,controlobjectsanduser-interfaceobjects.AClassDiagramcanbeusedtogeneratetheP

6、hysicalDataModelandtheapplicationimplementationcode.ComponentDiagramAComponentDiagramcanbeusedtodefinethecomponentsyouneedtocreateforanapplicationAComponentcanuseClasses,InterfacesPowerDesignerusesComponentstorepresentEJBs,Servlets,JSPs,ASPsandWebServicesDeploymentDiagramADeploymentDiagrami

7、susedtodefinethedeploymentarchitectureDeploymentDiagramshowstheNodes(machines,servers),theComponentInstancesdeployedinaNodeandtheLinksbetweenNodesObject/Relational(O/R)MappingGenerateaClassDiagramfromaPhysicalDataModelwithO/RmappingGenerateaPhysicalDataM