command_bus | Command Pattern | Command Line Interface library
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kandi X-RAY | command_bus Summary
Command Pattern - decoupling what is done from who does it.
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QUESTION
I'm scaffolding my backend application and I want to use CQRS and rabbitmq with it (I'm pretty new to rabbitmq). For that, I have specified different vhosts for my prod and dev environments, but I'm not sure how to use exchanges and queues for command, events and query buses.
Should I use just one exchange, named for example CQRS and three different queues for commands, queries and events?
Or maybe should I use three different exchanges (named query_bus, command_bus and event_bus) and inside each one map one queue to every possible command query and event using routing keys?
Thanks!
...ANSWER
Answered 2021-May-11 at 09:11You should have separate queues for different content (commands, queries...).
Because then its easier to see if the command or query side is lagging/slow by examining the length of each queue. The queue length gives you nice charts for your dashboard.
QUESTION
I am doing an API in a framework called Sylius that uses the symfony framework as a base. I am currently not recognized by the API controller class that solves the API logic
I have a controller with its respective declaration:
...ANSWER
Answered 2020-Jul-25 at 20:57As there were two different namespaces in the main project I had to clear cache:
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