【正文】 多樣的 Programming Languages? C/C++. Java, VB, C,…? 多樣的 Operating Systems? Unix, Windows, NT/XP. Mainframe, Mobile, …? 多樣的 Middlewares? JAVA/CORBA, COM+/.NET, Web Services, ….2023/2/16 6動機動機? 集成的挑戰(zhàn)? 跨中間件的集成? 跨中間件系統(tǒng)設(shè)計2023/2/16 7動機動機H/WOSApp. H/WOSApp. H/WOSApp. H/WOSApp. MiddlewareH/WOSApp. H/WOSApp. H/WOSApp. H/WOSApp. MiddlewareH/WOSApp. H/WOSApp. H/WOSApp. H/WOSApp. MiddlewareCross MiddlewareIntegrationSystem Design? 允許定義的機器可讀的應用和數(shù)據(jù)模型，使長期的適應 : ? 實現(xiàn)? 新基礎(chǔ)設(shè)施可以整合或重用已有設(shè)計實現(xiàn)? 集成? 自動生產(chǎn)數(shù)據(jù)集成的橋梁和連接到新的一體化基礎(chǔ)設(shè)施 ? 維護? 設(shè)計采用機器可讀形式 ? 測試和仿真? 開發(fā)模型能有效滿足要求，針對各種基礎(chǔ)設(shè)施進行測試，并可以直接用于模擬正在設(shè)計系統(tǒng)的行為。? 測試生成 。? MOF: Meta Object Facility? 提供標準的建模和交換結(jié)構(gòu) . ? MDA: Model Driven Architecture? 由 OMG制定的建模標準 。? 指定平臺 。? 元模型轉(zhuǎn)化 。 2023/2/16 15模型轉(zhuǎn)化模型轉(zhuǎn)化CIMPIMPSMTransformation2023/2/16 16MDA 場景場景Platform Independent Model (PIM)Implementation In EJBebXML messageDefinition BridgePlatform Specific Model (PSM)In ebXMLPlatform Specific Model (PSM)In CORBA2023/2/16 17MDA 對開發(fā)過程的影響對開發(fā)過程的影響RequirementAnalysisDesingCodingTestingDeploymentMostly textDiagram textDiagram textcodecodeIterativeProcessProgrammer’sshortcut傳統(tǒng)生命周期過程 MDA生命周期過程RequirementAnalysisDesingCodingTestingDeploymentCIMPIMPSMcodecodeMDAProcess? 保持知識的投資? 獨立的執(zhí)行平臺 。? 維護和文檔? 設(shè)計和分析模型后，不放棄文檔 。 ? ?通常使用基于容器的技術(shù)，如執(zhí)行組件，負荷管理，高可用性和負載平衡的應用服務器2023/2/16 21SOA分層模型分層模型 ? Layer 3: 服務層 . ? 業(yè)務選擇存儲和陳列的服務 。 ? Level 4:業(yè)務流程組成或編排層? 服務捆綁成一個編排的流，作為一個單一的應用程序共同作用。? 混合方法? 自頂向下 : 業(yè)務驅(qū)動? 自底向上 : 遺產(chǎn)系統(tǒng)投資SoftwareSkills Support2023/2/16 25Why OOAD, BPM, EA are not enoughOOAD: ObjectOriented analysis DesignBPM: Business Process ModelingEA: Enterprise ArchitectureServiceOriented Modeling Analysis? OOAD? 類層次，粒度小。2023/2/16 26Why OOAD, BPM, EA are not enough2023/2/16 27Why OOAD, BPM, EA are not enoughObjectOrientedClassLayerComponentLayerService LayerComponentOrientedServiceOriented2023/2/16 28Why OOAD, BPM, EA are not enoughVacancyComponentApplicationComponentEmp. RecordComponentCareerComponentRecruitmentServiceEmployee ServiceRecruitment EmployeeManageEmployeesHuman ResourcesFunctionalDomainSoftwareComponentBusinessProcessBusinessServicesSoftwareServicesBusinessLayerServiceLayerComponentLayer2023/2/16 29面向服務的分析和建模面向服務的分析和建模 : 角色和活動角色和活動ServiceIdentificationServiceCategorizationServiceExposureDecisionsChoreographyOrCompositionQuality of serviceCustomerViewComponentIdentificationServiceAllocation toComponentsComponentSpecificationLayering theComponentServicerealizationTechnical PrototypingServiceManagementProduct selectionStandardsimplementationArchitecturalDecisions(state, flow,Dependencies)ProviderView? Service categorization and aggregation? Policies and aspects? Process: meetinthemiddle ? Broking 2023/2/16 30SOA Design Principles2023/2/16 31面向服務的分析和建模面向服務的分析和建模 : 方法和過程方法和過程Domain DepositionGoalService ModelingExisting System AnalysisComponent FlowspecificationInformationspecificationSubsystemAnalysisComponent specificationService FlowspecificationMessage eventspecificationService realization decisionsService allocationto ponents Component layerIdentificationSpecificationRealizationServicespecification? Identifies services through? 領(lǐng)域分解 (Top down