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What is the purpose of `id` in a command?

See original GitHub issue

On this line: https://github.com/adrai/cqrs-sample/blob/master/domain/server.js#L17 we are defining some Id. But we also define the aggregateId. What is the purpose of id:? Is it supposed to change? Be static?

Issue Analytics

State:
Created 5 years ago
Comments:5 (3 by maintainers)

Top GitHub Comments

1reaction

nanovcommented, Jun 11, 2018

You could think of it as a request/transaction ID, it identifies this exact command “request”, as a result a correlationId with the exact same ID is attached to the resulted event(s) and even further notification(s) ( ie. readmodel events ) for tracking/coupling ( extremely important when working with a message bus ).

1reaction

adraicommented, Jun 11, 2018

the name of the command identifies the behaviour in your aggregate… it’s not the identifier of that message… i.e. how do you distinguish 2 commands (‘editAccount’) that looks the same?

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