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Quarkus AMQP 1.0 Quickstart

This project illustrates how you can interact with AMQP 1.0 (Apache Artemis in this quickstart) using MicroProfile Reactive Messaging.

AMQP Broker

First you need an AMQP broker. You can follow the instructions from the Apache Artemis web site or run docker-compose up if you have docker installed on your machine.

Start the application

The application can be started using:

mvn quarkus:dev

Then, open your browser to http://localhost:8080/prices.html, and you should see a fluctuating price.

Anatomy

In addition to the prices.html page, the application is composed by 3 components:

  • PriceGenerator - a bean generating random price. They are sent to a AMQP queue.
  • PriceConverter - on the consuming side, the PriceConverter receives the AMQP message and convert the price. The result is sent to an in-memory stream of data
  • PriceResource - the PriceResource retrieves the in-memory stream of data in which the converted prices are sent and send these prices to the browser using Server-Sent Events.

The interaction with AMQP is managed by MicroProfile Reactive Messaging. The configuration is located in the application configuration.

NOTE: Hey, it's the same code as the Kafka quickstart! Yes, it is, the only difference is the connector configured in the application.properties.

Running in native

You can compile the application into a native binary using:

mvn clean package -Pnative

and run with:

./target/amqp-quickstart-1.0-SNAPSHOT-runner