Mail

src/main/jbake/content/documentation/arc42/src/06_runtime_view.adoc

@@ -37,10 +37,12 @@ kikeriki -> smtp: send the email
 autonumber
 
 participant "Some System" as ss
+box kikeriki #LightBlue
 participant "Kafka-Adapter" as ka
 participant "Application Event" as ae
 participant "Outbox"
 participant "Outbox Job" as oj
+end box
 participant "SMTP-Server" as smtp
 
 ss -> ka: send mail command
@@ -51,11 +53,17 @@ loop for each stored mail
   oj -> Outbox : get Mail
   Outbox -> smtp : send Mail
 end
+
 @enduml
 ....
 
-
-
+1. send mail command reaches kikeriki
+1. command is being mapped +
+ Kikeriki uses https://docs.spring.io/spring-framework/reference/testing/testcontext-framework/application-events.html[Spring Application Events] to couple it's distince modules. The incoming Mail-Command from Kafka is being mapped into a an Application Event, that is being thrown.
+1. The Mail Command is stored into an outbox +
+   The Mail Command ist handled by storing it into on outbox table. (when this fails, also the Kafka-Adapter will try to reconsume the event until this is successfull)
+1. A Job polls the outbox +
+  Every two seconds the Job looks for more Mails to be send.
 
 
 === Info-Mail Sending