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Camunda Service Task vs External Task – Guide Complet pour les DĂ©veloppeurs BPMN

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  Introduction Lors de la conception de workflows avec Camunda , les dĂ©veloppeurs rencontrent souvent deux approches pour automatiser les Ă©tapes d’un processus : Service Task External Task Les deux permettent d’exĂ©cuter une logique automatisĂ©e dans un workflow BPMN, mais ils utilisent des architectures et des modes d’exĂ©cution diffĂ©rents . Comprendre la diffĂ©rence est essentiel pour concevoir des systèmes d’automatisation robustes et Ă©volutifs . Qu'est-ce qu'une Service Task dans Camunda? Une Service Task est une activitĂ© BPMN utilisĂ©e pour exĂ©cuter automatiquement une logique mĂ©tier dans le moteur de workflow . Les implĂ©mentations courantes incluent : classes JavaDelegate scripts appels API REST beans Spring Exemple JavaDelegate : public class PaymentDelegate implements JavaDelegate { public void execute ( DelegateExecution execution ) { System . out . println ( "Paiement en cours de traitement" ); } } Dans ce cas : Moteur Camunda → exĂ©cute le c...

Camunda Service Task vs External Task – Complete Guide for BPMN Developers

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  Introduction When designing workflows in Camunda , developers often encounter two ways to automate process steps: Service Task External Task Both are used to execute automated logic in a BPMN workflow, but they follow different execution patterns and architecture styles . Understanding the difference helps you design scalable and maintainable workflow systems . What is a Camunda Service Task? 4 A Service Task is a BPMN activity used to execute automated work inside the workflow engine . Typical implementations include: JavaDelegate classes Script execution REST API calls Spring beans Example JavaDelegate: public class PaymentDelegate implements JavaDelegate { public void execute ( DelegateExecution execution ) { System . out . println ( "Processing payment" ); } } In this case: Process Engine → Calls Java Code → Continues Process The logic runs inside the same JVM as the Camunda engine . A service task represents a work item in a process and triggers l...