Passing headers with Spring Cloud Feign
Feign is a great way to communicate between services. Spring Cloud has it’s own way of defining Feign clients, it’s done with Spring MVC annotations. Usually it’s a common requirement Continue reading
Tag: spring
How much projections can help?
For one of my presentations, I wanted to have some numbers regarding the efficiency of projections. If you don’t know what projections are, read this previously written article. I basically Continue reading
Configuring a datasource-proxy in Spring Boot
Have you ever heard about datasource proxies? No worries, it’s not complicated at all. Let’s say you want to access the database from an application. First you have to configure Continue reading
The detaching pitfall of declarative transaction management with Spring and JPA/Hibernate
Anyone who is familiar with Spring and JPA knows about the magical @Transactional annotation which helps us to focus on the business logic rather than programming transactions around. This approach is so Continue reading
Using projections in your data-access layer
If you care about your data-access layer to make it as fast as possible, you should consider using projections for reading data. Check a simple example together. We have cities Continue reading
Google OAuth with Spring Security as separated Resource Server
There are a lot of great articles out there about OAuth 2.0, Spring Security, REST especially when you are about to have both the Resource and the Authorization server in Continue reading
Session level Hibernate JDBC batching
Quite some time ago, I had a chance to try out one of the coolest features of Hibernate when I had to insert and update multiple entities. By multiple, I mean Continue reading
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