Home » Tag Archives: RxJava

Tag Archives: RxJava

Server-sent events with RxJava and SseEmitter


Spring framework 4.2 GA is almost released, let’s look at some new features it provides. The one that got my attention is a simple new class SseEmitter – an abstraction over sever-sent events easily used in Spring MVC controllers. SSE is a technology that allows you to stream data from server to the browser within one HTTP connection in one ...

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Use reactive streams API to combine akka-streams with rxJava


Just a quick article this time, since I’m still experimenting with this stuff. There is a lot of talk around reactive programming. In Java 8 we’ve got the Stream API, we got rxJava we got ratpack and Akka has got akka-streams. The main issue with these implementations is that they aren’t compatible. You can’t connect the subscriber of one implementation ...

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RxJava + Java8 + Java EE 7 + Arquillian = Bliss


Microservices are an architectural style where each service is implemented as an independent system. They can use their own persistence system (although it is not mandatory), deployment, language, … Because a system is composed by more than one service, each service will communicate with other services, typically using a lightweight protocol like HTTP and following a Restful Web approach. You ...

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Turning Twitter4J into RxJava’s Observable


aTwitter4J is a Java wrapper around Twitter API. While Twitter supports simple request-response interactions in this article we will explore streaming APIs. In contrary to request-response model which is always initiated by the client, streaming API pushes data from Twitter server to the clients as soon as they are available. Of course in case of Twitter we are talking about ...

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RxJava: From Future to Observable


I first came across Reactive Extensions about 4 years ago on Matthew Podwysocki’s blog but then haven’t heard much about it until I saw Matthew give a talk at Code Mesh a few weeks ago. It seems to have grown in popularity recently and I noticed that’s there’s now a Java version called RxJava written by Netflix. I thought I’d ...

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