84 lines
2.7 KiB
Plaintext
84 lines
2.7 KiB
Plaintext
@startuml
|
|
'https://plantuml.com/use-case-diagram
|
|
|
|
package Legend {
|
|
usecase (Queries) #7693C4
|
|
usecase (Projections) #AB64C9
|
|
usecase (Events) #5FAD56
|
|
}
|
|
|
|
actor User
|
|
entity Query #7693C4
|
|
|
|
entity Command #5FAD56
|
|
entity Event #5FAD56
|
|
entity Projection #AB64C9
|
|
|
|
database Postgresql
|
|
database Redis
|
|
queue RabbitMQ
|
|
|
|
usecase (Web socket adapter) #5FAD56
|
|
usecase (Command handler) #5FAD56
|
|
usecase/ (Action) #5FAD56
|
|
usecase (Event handler) #5FAD56
|
|
usecase (Version builder) #5FAD56
|
|
usecase (Event store) #5FAD56
|
|
usecase (Event stream) #5FAD56
|
|
usecase (Event bus) #5FAD56
|
|
usecase/ (Reaction listener) #5FAD56
|
|
|
|
usecase/ (Projection builder) #AB64C9
|
|
usecase (Projection repository) #AB64C9
|
|
usecase (Projection bus) #AB64C9
|
|
|
|
usecase (Controller) #7693C4
|
|
|
|
User -> Query : <<create>>
|
|
Command <- User : <<create>>
|
|
User ---> (Controller) : Get \nprojection
|
|
User <-- (Controller) : Returns \nprojection
|
|
|
|
(Controller) --------> (Projection repository) : Get \nprojection
|
|
|
|
User -> (Web socket adapter) : Send \ncommand
|
|
(Web socket adapter) --> (Command handler) : Send \ncommand
|
|
(Web socket adapter) ...> User : Send notification \n(error or success)
|
|
|
|
(Command handler) ..> (Web socket adapter) : Send \nnotification
|
|
(Command handler) -> (Action) : Execute action
|
|
(Command handler) <- (Action) : Returns \nevent builder
|
|
(Command handler) ---> (Event handler) : Dispatch \nevent \n(send an event builder)
|
|
(Command handler) --> Event : <<Create>>
|
|
|
|
(Event handler) --> (Event store) : Publish \nevent
|
|
(Event handler) <-- (Reaction listener) : Dispatch \n new event
|
|
(Version builder) <- (Event handler) : build next version
|
|
note "Acquire a lock, \nget the next event version, \nand then, build the event " as EventHandlerNote
|
|
EventHandlerNote <-- (Event handler)
|
|
|
|
(Event store) -left-> (Event stream)
|
|
(Event store) ---> (Event bus) : Publish \nevent
|
|
|
|
(Event stream) --> Postgresql : Persist \nevent
|
|
(Event bus) -> RabbitMQ : Publish \nevent
|
|
(Event bus) -> RabbitMQ : Subscribe \nto event
|
|
(Event bus) <. RabbitMQ : Emit event
|
|
|
|
(Reaction listener) ---> (Projection bus) : Subscribe
|
|
(Reaction listener) <.. (Projection bus) : Emit projection
|
|
|
|
(Projection bus) <- (Projection repository) : Publish \nprojection
|
|
RabbitMQ <- (Projection bus) : Publish \nprojection
|
|
RabbitMQ <- (Projection bus) : Subscribe \nto projection
|
|
RabbitMQ .> (Projection bus) : Emit projection
|
|
|
|
(Event bus) <---- (Projection repository) : Subscribe
|
|
(Event bus) ..> (Projection repository) : Emit event
|
|
|
|
(Projection repository) --> Redis : Persist \nprojection
|
|
(Projection repository) <- Redis : Get \nprojection
|
|
(Projection repository) -> (Projection builder) : Build \nprojection
|
|
|
|
(Projection builder) --> Projection : <<create projection>>
|
|
@enduml |