A Java geek

My case for Event Bus

Informal talks with colleagues around the coffee machine are a great way to improve your developer skills. Most of the time, people don’t agree and that’s a good way to learn about thinking in context. One of the latest subject was about the Event Bus. Though no Android developer, I’m part of a Mobile team that uses an Event Bus to dispatch events among the different components of the application. Amazingly enough, one team member 'doesn’t like Event Bus'.

Java

Going the microservices way - part 3

This is the 3rd post in the Going the microservices way focus series. In the first post of this serie, I created a simple microservice based on a Spring Boot + Data JPA stack to display a list of available products in JSON format. In the second part, I demoed how this app could be uploaded on Pivotal Cloud Foundry. In this post, I’ll demo the required changes to deploy on Heroku.

Java

Going the microservices way - part 2

This is the 2nd post in the Going the microservices way focus series. In my previous post, I developed a simple microservices REST application based on Spring Boot in a few lines of code. Now is the time to put this application in the cloud. In the rest of the article, I suppose you already have an account configured for the provider. Pivotal Cloud Foundry is the Cloud offering from Pivotal, based on Cloud Foundry.

Java

Going the microservices way - part 1

This is the 1st post in the Going the microservices way focus series. <div class='paragraph'> <p><a href='https://en.wikipedia.org/wiki/Microservices' target='_blank' rel='noopener'>Microservices</a>, are trending right now, whether you like it or not. There are good reasons for that as it resolves many issues organizations are faced with.

Event

SpringOne2GX 2015

This week, I had the privilege to talk at SpringOne2GX in Washington D.C. in not only one but 2 talks: Get the Most out of Testing with Spring 4.2 with super Spring Test committer Sam Brannen and Spring Boot for DevOps. Apart from preparing and rehearsing, I also used the occasion to attend some talks. Here follows a resume of the best.

Java

True singletons with Dagger 2

I’ve written some time ago about Dagger 2. However, I still don’t understand every nook and cranny. In particular, the @Singleton annotation can be quite misleading as user Zhuiden was kind enough to point out: If you create a new ApplicationComponent each time you inject, you will get a new instance in every place where you inject; and you will not actually have singletons where you expect singletons.

Technical

Running your domain on HTTPS for free

This blog runs on HTTP for a long time as there is no transaction taking place so no security is needed (I use SFTP for file transfer). However, since Google’s latest search algorithm change, I’ve noticed a sharp decrease in the number of monthly visits, from more than 20k to around 13k. While my goal has never been to have the highest number of visits, it’s still good feedback to me (as well as a nice warm feeling).

Java

Creative Rx usage in testing setup

I don’t know if events became part of software engineering since Graphical-User Interface interactions, but for sure they are a very convenient way of modeling them. With more and more interconnected systems, asynchronous event management has become an important issue to tackle. With Functional-Programming also on the raise, this gave birth to libraries such as RxJava. However, modeling a problem as the handling of a stream of events shouldn’t be restricted to system events handling.

Java

Compile-time dependency injection tradeoffs in Android

As a backend software developer, I’m used to Spring as my favorite Dependency Injection engine. Alternatives include Java EE’s CDI which achieves the same result - in a different way. However, both inject at runtime: that means that there’s a definite performance cost to pay at the start of the application, the time it takes for all dependencies to be fulfilled.

Nicolas Fränkel's blog