Using and Eclipse plugin called PlantUML. we can draw UML sequence diagrams. With a sequence diagram it’s very easy to represent interactions and processes between the actors.
Bellow is an example of PlantUML source text:
@startuml title Sequence diagram example actor User participant SystemA box "Bank Statement App" #LightBlue participant Middleware participant SystemB end box == Flow 1 - Sync call== User -> SystemA: view details note right Order details, Payment history end note SystemA -> Middleware: getCustomerInfo Middleware -> SystemA: return customer details SystemA -> Middleware: getOrderDetails Middleware -> SystemA: return order details SystemA -> User: present info == Place order - async == User -> SystemA: placeOrder SystemA -> Middleware: placeOrder Middleware -> Middleware: insert in queue Middleware -> SystemA: ack SystemA -> User: thank you page group Async place order Middleware ->SystemB: placeOrder SystemB -> SystemB: verifyeligibility SystemB -> SystemB: fulfill order SystemB -> Middleware: status Middleware -> SystemA: status end @enduml
Result:
You can find more examples and information on the PlantUML official page: http://plantuml.sourceforge.net/
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