面向服務(wù)-3-wenkub
2023-02-08 19:58:16 本頁(yè)面
【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(dòng)機(jī)動(dòng)機(jī)? 集成的挑戰(zhàn)? 跨中間件的集成? 跨中間件系統(tǒng)設(shè)計(jì)2023/2/16 7動(dòng)機(jī)動(dòng)機(jī)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(jī)器可讀的應(yīng)用和數(shù)據(jù)模型，使長(zhǎng)期的適應(yīng) : ? 實(shí)現(xiàn)? 新基礎(chǔ)設(shè)施可以整合或重用已有設(shè)計(jì)實(shí)現(xiàn)? 集成? 自動(dòng)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(hù)? 設(shè)計(jì)采用機(jī)器可讀形式 ? 測(cè)試和仿真? 開(kāi)發(fā)模型能有效滿足要求，針對(duì)各種基礎(chǔ)設(shè)施進(jìn)行測(cè)試，并可以直接用于模擬正在設(shè)計(jì)系統(tǒng)的行為。? 測(cè)試生成 。? MOF: Meta Object Facility? 提供標(biāo)準(zhǔn)的建模和交換結(jié)構(gòu) . ? MDA: Model Driven Architecture? 由 OMG制定的建模標(biāo)準(zhǔn) 。? 指定平臺(tái) 。? 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(chǎng)景場(chǎng)景Platform Independent Model (PIM)Implementation In EJBebXML messageDefinition BridgePlatform Specific Model (PSM)In ebXMLPlatform Specific Model (PSM)In CORBA2023/2/16 17MDA 對(duì)開(kāi)發(fā)過(guò)程的影響對(duì)開(kāi)發(fā)過(guò)程的影響RequirementAnalysisDesingCodingTestingDeploymentMostly textDiagram textDiagram textcodecodeIterativeProcessProgrammer’sshortcut傳統(tǒng)生命周期過(guò)程 MDA生命周期過(guò)程RequirementAnalysisDesingCodingTestingDeploymentCIMPIMPSMcodecodeMDAProcess? 保持知識(shí)的投資? 獨(dú)立的執(zhí)行平臺(tái) 。? 維護(hù)和文檔? 設(shè)計(jì)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(fù)荷管理，高可用性和負(fù)載平衡的應(yīng)用服務(wù)器2023/2/16 21SOA分層模型分層模型 ? Layer 3: 服務(wù)層 . ? 業(yè)務(wù)選擇存儲(chǔ)和陳列的服務(wù) 。 ? Level 4:業(yè)務(wù)流程組成或編排層? 服務(wù)捆綁成一個(gè)編排的流，作為一個(gè)單一的應(yīng)用程序共同作用。? 混合方法? 自頂向下 : 業(yè)務(wù)驅(qū)動(dòng)? 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(lèi)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(wù)的分析和建模面向服務(wù)的分析和建模 : 角色和活動(dòng)角色和活動(dòng)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(wù)的分析和建模面向服務(wù)的分析和建模 : 方法和過(guò)程方法和過(guò)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
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