Service Design Patterns

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1、WebServiceAPIStylesRPCAPI(18)HowcanclientsexecuteremoteproceduresoverHTTP?MessageAPI(27)Howcanclientssendcommands,notifications,orotherinformationtoremotesystemsoverHTTPwhileavoidingdirectcouplingtoremoteprocedures?ResourceAPI(38)Howcanaclientmanipulatedata

2、managedbyaremotesystem,avoiddirectcouplingtoremoteprocedures,andminimizetheneedfordomain-specificAPIs?Client-ServiceInteractionStylesRequest/Response(54)What’sthesimplestwayforawebservicetoprocessarequestandprovidearesult?Request/AcknowledgeHowcanawebservic

3、esafeguardsystemsfromspikesin(59)requestloadandensurethatrequestsareprocessedevenwhentheunderlyingsystemsareunavailable?MediaTypeHowcanawebserviceprovidemultiplerepresentationsofNegotiation(70)thesamelogicalresourcewhileminimizingthenumberofdistinctURIsfor

4、thatresource?LinkedService(77)Onceaservicehasprocessedarequest,howcanaclientdiscovertherelatedservicesthatmaybecalled,andalsobeinsulatedfromchangingservicelocationsandURIpatterns?RequestandResponseManagementServiceController(85)Howcanthecorrectwebservicebe

5、executedwithouthav-ingtowritecomplexparsingandroutinglogic?DataTransferHowcanonesimplifymanipulationofrequestandObject(94)responsedata,enabledomainlayerentities,requests,andresponsestovaryindependently,andinsulateservicesfromwire-levelmessageformats?Reques

6、tMapper(109)Howcanaserviceprocessdatafromrequeststhatarestruc-turallydifferentyetsemanticallyequivalent?ResponseMapper(122)Howcanthelogicrequiredtoconstructaresponsebereusedbymultipleservices?WebServiceImplementationStylesTransactionScript(134)Howcandevelo

7、persquicklyimplementwebservicelogic?DatasourceAdapter(137)Howcanawebserviceprovideaccesstointernalresourceslikedatabasetables,storedprocedures,domainobjects,orfileswithaminimumamountofcustomcode?OperationScript(144)Howcanwebservicesreusecommondomainlogicwit

8、houtduplicatingcode?CommandInvoker(149)HowcanwebserviceswithdifferentAPIsreusecommondomainlogicwhileenablingbothsynchronousandasyn-chronousrequestprocessing?WorkflowConnector(156)Howcanwebservicesbeusedtosuppo