spring-data-relational VS Micronaut

What do you think of Spring Data JDBC (https://spring.io/projects/spring-data-jdbc)?

What do you think of Spring Data JDBC?

Link to GitHub: https://github.com/spring-projects/spring-data-relational/blob/main/spring-data-relational/src/main/java/org/springframework/data/relational/repository/Lock.java

I would ignore the hipster jOOQ and similar and start with Spring Data JDBC https://spring.io/projects/spring-data-jdbc

This makes Spring Data JDBC a simple, limited, opinionated ORM.

Though JPA is fine, and yes hibernate can be used under the hood. When it comes to spring it is mostly what level of abstraction you want. Or you could go with JDBC. And you have a spring data JDBC for having a similar abstraction as to the JPA one.

This is not correct. You're thinking Spring Data JPA [1]. Spring Data JDBC [2] does _not_ use any Hibernate nonsense.

[1] https://spring.io/projects/spring-data-jdbc

The data moved from the awesome-but-confusing DynamoDB... into PostgreSQL✨, using Spring Data JDBC.

I didn't have much experience with Hibernate and Spring (was using JavaEE prior), it could very possibly be the case, that the team simply misused Hibernate. We might have used n+1 queries, eager loading (although I mildly remember we fixed this), oh and we had the old id generation via sequence in Hibernate, that was really pain to optimize properly. Oracle 11 does not have identity generation. I remembered this only becuase I created an issue at the time. Still not implemented, but can't blame them, who the hell uses sequences as ID generation nowadays.

Micronaut has a share of the space too.

https://micronaut.io/

However, you’re right that Spring Boot has the lions share of the Java ecosystem.

I've used vert.x in a big project once. I don't ever want to do that again. Performance is pretty good, but the developer experience is beyond clunky.

My current favourite Java server framework is Micronaut.

Great performance and easy to develop for!

https://micronaut.io/

I wonder how much you'd save with Micronaut: https://micronaut.io/

> Micronaut is a software framework for the Java virtual machine platform. It is designed to avoid reflection, thus reducing memory consumption and improving start times. Features which would typically be implemented at run-time are instead pre-computed at compile time.

https://en.wikipedia.org/wiki/Micronaut_(framework)

I don't think you'd go down to 9, but something like 20-30 could be doable.

I'd like to introduce my project. It is called mlfx. It can compile FXML ahead of time. It is basically an annotation processor, which internally uses Micronaut framework's AST abstraction and compiles fxml files directly to JVM bytecode. This decreases UI load time and also helps with native-image reflection configs. It also has some compliance tests that load compiled code and check resulting object graph against one loaded by javafx-xml. It also has some drawbacks now, but, please, read README. Now I'm successfully using it in two production projects.

https://micronaut.io/ https://quarkus.io/

when it comes to full stack frameworks, Micronaut(https://micronaut.io/) is actually good and pleasant to work with.

For the server Quarkus and Micronaut might be interesting besides Spring Boot. Quarkus is more popular and backed by RedHat (so probably here to stay).

🥇 Spring Boot 🥈 Quarkus 🥉 Micronaut 🏅 Ktor 🏅 http4k

Spring boot is still The King. Although I've not done more than hello world with Micronaut, it might have easier learning curve than Spring (and concepts are similar to Spring so you can carry over later to learn Spring). It could also be a useful skill in world of microservices these days.