Enterprise Integration Patterns with Apache Camel.pdf

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1、Broughttoyouby...#47ContEntsinCLuDE:nAboutEnterpriseIntegrationPatternsnAboutApacheCamelEnterpriseIntegrationPatternsnEssentialPatternsnConclusionsandmore...withApacheCamelVisitrefcardz.comByClausIbsenProblemAsingleeventoftentriggersasequenceofprocessingstepsAboutEntEr

2、prisEintEgrAtionpAttErnsSolutionUsePipesandFilterstodividealargerprocessingsteps(filters)thatareconnectedbychannels(pipes)Integrationisahardproblem.TohelpdealwiththecomplexityCamelCamelsupportsPipesandFiltersusingthepipelinenode.ofintegrationproblemstheEnterpriseIntegr

3、ationPatternsJavaDSLfrom(“jms:queue:order:in”).pipeline(“direct:transformOrd(EIP)havebecomethestandardwaytodescribe,documenter”,“direct:validateOrder”,“jms:queue:order:process”);andimplementcomplexintegrationproblems.Hohpe&WherejmsrepresentstheJMScomponentusedforconsum

4、ingJMSmessagesWoolf’sbooktheEnterpriseIntegrationPatternshasbecomeontheJMSbroker.Directisusedforcombiningendpointsinasynchronousfashion,allowyoutodivideroutesintosubroutesand/orreusecommonroutes.thebibleintheintegrationspace–essentialreadingforanyTip:Pipelineisthedefau

5、ltmodeofoperationwhenyouspecifymultipleintegrationprofessional.outputs,soitcanbeomittedandreplacedwiththemorecommonnode:from(“jms:queue:order:in”).to(“direct:transformOrder”,“direct:validateOrder”,“jms:queue:order:process”);ApacheCamelisanopensourceprojectforimplementi

6、ngTIP:Youcanalsoseparateeachstepasindividualtonodes:theEIPeasilyinafewlinesofJavacodeorSpringXMLfrom(“jms:queue:order:in”)configuration.Thisreferencecard,thefirstinatwocardseries,.to(“direct:transformOrder”).to(“direct:validateOrder”)guidesyouthroughthemostcommonEnterp

7、riseIntegration.to(“jms:queue:order:process”);PatternsandgivesyouexamplesofhowtoimplementthemSpringDSLeitherinJavacodeorusingSpringXML.ThisRefcardistargetedforsoftwaredevelopersandenterpris

8、earchitects,butanyoneintheintegrationspacecanbenefit