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re: Micronaut: A five-minute introduction. VIEW POST

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re: I have to admit, I'm a little confused by the idea of having dependencies injected at compile time. It's like... inverted IoC! I definitely see h...
 

Dependency injection at compile time is definitely a different concept if you are used to the way Spring Framework (and others) handle it at run-time. I don't know that I would say it is "inverted IoC". The framework is still in control, but the framework now extends to compile time and does the hard work of weaving your code together up front. That way it doesn't have to be done at startup.

Thanks for the comments!

 

When Spring (and other frameworks) started, they touted Dependency Injection and Inversion of Control as this new amazing thing (which it was, at the time). If you now resolve dependencies at compile time, it feels like it's the opposite of that, and what IoC was trying to get around at the time.

It looks like it uses a different approach to hook up dependencies at compile time, so that it's not a massive mess to change one implementation of a service for another, but it's still a bit amusing to see how paradigms shift over the years.

I'm keeping an eye out for integration between Mironaut and Grails, which I hear may happen with a Micronaut profile for Grails. crossing fingers

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