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A small, feature complete Clojure client for RabbitMQ that embraces AMQP 0.9.1 model

README.md

Langohr, a feature-rich Clojure RabbitMQ client

Langohr is a Clojure RabbitMQ client that embraces AMQP 0.9.1 Model.

Project Goals

  • Embrace AMQP 0.9.1 Model. Follow Java client's API conventions instead of inventing new overly opinionated ones
  • Be well documented. Use Ruby amqp gem guides as a foundation.
  • Be well tested.
  • Error handling and recovery should be well covered
  • Support all of the RabbitMQ features, include extensions to AMQP 0.9.1.
  • Make error handling and recovery easier

We've learned a lot from ~ 5 years history of the Ruby amqp gem and Bunny development and try to apply this experience to Langohr design.

Project Anti-Goals

Here is what Langohr does not try to be:

  • A replacement for the RabbitMQ Java client
  • Sugar-coated API for task queues that hides all the AMQP machinery from the developer
  • A port of Ruby amqp gem to Clojure

Artifacts

Langohr artifacts are released to Clojars. If you are using Maven, add the following repository definition to your pom.xml:

<repository>
  <id>clojars.org</id>
  <url>http://clojars.org/repo</url>
</repository>

The Most Recent Release

With Leiningen:

[com.novemberain/langohr "2.9.0"]

With Maven:

<dependency>
  <groupId>com.novemberain</groupId>
  <artifactId>langohr</artifactId>
  <version>2.9.0</version>
</dependency>

Documentation & Examples

If you are only starting out, please see our Getting Started guide.

Documentation guides:

API Reference

For existing users, there is API reference.

Code Examples

Several code examples used in the guides are kept in a separate Git repository.

Our test suite also can be used for code examples.

Supported Clojure Versions

Langohr requires Clojure 1.4+. The most recent stable release is highly recommended.

Supported RabbitMQ Versions

Langohr depends on RabbitMQ Java client 3.2.x and requires RabbitMQ versions 2.0 and later.

Project Maturity

Langohr has been around since 2011. The API is stable.

Community

Langohr has a mailing list. Feel free to join it and ask any questions you may have.

To subscribe for announcements of releases, important changes and so on, please follow @ClojureWerkz on Twitter.

Langohr Is a ClojureWerkz Project

Langohr is part of the group of libraries known as ClojureWerkz, together with

Continuous Integration

Continuous Integration status

CI is hosted by travis-ci.org

Development

Langohr uses Leiningen 2. Make sure you have it installed and then run tests against all supported Clojure versions using

lein2 all test

Then create a branch and make your changes on it. Once you are done with your changes and all tests pass, submit a pull request on Github.

License

Copyright (C) 2011-2014 Michael S. Klishin

Double licensed under the Eclipse Public License (the same as Clojure) or the Apache Public License 2.0.

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