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An Introduction to the Vert.x Context Object

Under the hood, the vert.x Context class plays a critical part in maintaining the thread-safety guarantees of verticles. Most of the time, vert.x coders don’t need to make use of Context objects directly. However, sometimes you may need to. This article provides a brief introduction to the vert.x Context class, which covers why it’s important, and why and when you might wish to make use of the Context directly, based on the author’s experience of building a generic async library which can be used with vert.x.

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Building services and APIs with AMQP 1.0

Microservices and APIs are everywhere. Everyone talks about them, presentation slides are full of them … some people are actually even building them. Microservices and APIs are of course not completely new concepts and they are a bit over-hyped. But in general the ideas behind them are not bad. Unfortunately, many people seem to believe that the only way how to implement an API in microservice is to use HTTP and REST. That is of course not true. Microservices and APIs can be based on many different protocols and technologies. My favorite one is of course AMQP. Don’t take me wrong, HTTP and REST is not necessarily bad. But in some cases AMQP is simply better and creating AMQP based APIs does not need to be complicated.

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OAuth2 got easy

Oauth2 support exists in Eclipse Vert.x since version 3.2.0. The implementation follows the principles that rule the whole vert.x ecosystem: unopinionated, it does what you want it to do, simple but not too simple.

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