基于sca的輕量級bpel引擎的設(shè)計與實現(xiàn)_第1頁
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1、北京工業(yè)大學碩士學位論文基于SCA的輕量級BPEL引擎的設(shè)計與實現(xiàn)姓名:佟偉申請學位級別:碩士專業(yè):計算機軟件與理論指導(dǎo)教師:王燕興20080401AbstractAbstractSOAisbecomingamoreandmoreimportantconceptofsoftwareengineeringarea,whichwillbecomethedirectionandreferenceforsoftwareengineeringpr

2、ocedureHoweverhowtousetheconceptofSOAinsoftwareengineeringinanormativewayhasbeenafocusedquestionforalongtimeTherearesomefunctionscomingoutduringtheseyearstOuseSOA,includingBPELandSCA,whicharetwoimportantfunctionsinthisar

3、eaBusinessProcessExecutionLanguage(BPEL)isanXML—basedlanguageforcreatingaworkflowprocess,whichbecameanimportantwaytoimplementtheconceptofSOAsincebeingbroughtforwardBPELgivesoutanewideateuseandreorganizetheexistingsystems

4、whichwereproducedbasedondifferentarchitecturesanddifferentlanguagesBPELwascreatedspeciallytoarrangeWebServicesforanewworkflowwhichcouldeffectivelyimprovethereusabilityoftheexistingsystemsServiceComponentArchitecture(SCA)

5、isaproposedstandardforcomposinganddeployingSOAWhenSCAcompliantproductsareinplaceatdevelopmentandruntime,onecouldwritecodeintheimplementationlanguageofanychoice,butwithanimportantdifferencethanthefocusisonbusinesslogicbut

6、notlanguageanymoreSCAallowstoavoidingwritingmanyofthetechnology—specificdetails,especiallythetransferprotoc01BasedontheintroductionsandadvantagesofBPELandSCA,thisarticlegivesoutanewdesignofaSCA—basedlightweightBPELengine

7、ThisarticlefirstlyintroducestherelationshipbetweenBPELandBPELengine,andthedesigndirectionofthelightweightengineAndthenspeciallydesignsandanalysesthearchitectureofthelightweightengine,alsointroducestheessentialoftheconcep

8、toflightweightBasedonthedesignofarchitecture,thisarticleintroducesthefunctiondesignforeverymoduleoftheengineindetailwithsomediagramsandcorecodesAtlast,thisarticleintroducesoneexampletousetheSCAbasedlightweightBPELenginei

9、nahospitalsystemThisarticlegivesoutanideatobindBPELenginetogetherwithSCAinanewwaywhichmeansadoptingthewaythatSCAcomposinganddeployingSOAasreferenceinthedesignofthelightweightBPELengineBesidesthat,thisarticlealsogivesouta

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