BCSEP中流程执行状态跟踪机制的研究与实现

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1、●‘TheResearchandImplementationofProcessExecutionStatesTracingMechanisminBCSEPAbstractRecently,、析t11theprosperityofwebservicesontheweb，theindividualandsiIllplywebservlcescall’tmeettheactualapplicationneed．ThetechniqueofWebServicesCompositioncallcomposetheavailab

2、leservicesbasedoncertainbusinesslogicwhichmakes也ecomposedoneachievemorepowerfulandmorecompletebusiness矗mctionS．TheexecutionmonitorofmostcurrentlyexistingservicecompositionexecutionplatformsisthecnlcialDa]rtoftheservicecompositionexecutionplatform．Theexecutionmo

3、deling，modelmodificationandoptimizationaswellasexecutiondeploymentmanagementdependonmonitoreddat乱Inlightofcurrentsituation，ourresearchingteamproposesabusinesssenricemodelandcompositeserviceexecutionplatformbasedonbusinessservice，whichprovidesaquickconstmctionen

4、terpriseapplicationplatformbasedontheencapsulationofW

5、ebserviceinthebusinessdomainlevel．ThethesiscoverstheresearchonthetracingmechanismofDrocessexecutionstatesandtheimplementationofmonitoringmanagementoftheexecutionprocessm龇servicecompositionexecutionplatformba

6、sedonbusinessservice．Thethesisproposestheapplicationofthemonitoringmechanisminwork．flowtoservicecompositionexecutionplatformbyusingthemappingfromservicecompositionmodeltoBPEL．AccordingtotheconflictsbetweenservicecompositionmodelandBPEL，Thethesisdecomposesthepro

7、cedureintothreephases：servicecompositiontOBS—BPEL，BS．BPELexecutionstatesconfigurationandBS-BPELtoBPEL，usingBS·BPELasamediummodel．Processexecutionmonitorcompletethetracingof’theexecutionstatesbythisthreephases．Byanalyzingexperimentalresultsandbusinessserviceinst

8、ancesexecutiontime，thethesisalsoproposestheanticipantofexceptionbasedonexecutiontime，toalleviate吐1eef．fectonmeexecutionresultcausedbyexceptions，andimprovethemonitor’Sability．．Withthefoundationofprocessexecutiontracingmechanism，thethesisDrovides也edesignandimplem

9、entationoftheprocessexecutionmonitor．Themonitorcoversmefeal眦esofbusinessprocessofcompositeservicebasedonbusinessservice，takes也e、№rkflowstructuralmodelandprovidestheprocessex