Tutorial 1 in Clojure

clojure/.gitignore

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+/target
+/lib
+/classes
+/checkouts
+pom.xml
+pom.xml.asc
+*.jar
+*.class
+.lein-*
+bin/*

clojure/README.md

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+# Clojure code for RabbitMQ tutorials
+
+Here you can find Ruby code examples from
+[RabbitMQ tutorials](http://www.rabbitmq.com/getstarted.html).
+
+## Requirements
+
+To run this code you need [Langohr](http://clojurerabbitmq.info).
+
+Dependencies are managed by [Leiningen](http://leiningen.org).
+
+These tutorials only require JDK 6 or 7 (Oracle or OpenJDK).
+
+## Code
+
+Code examples are executed via `lein run`:
+
+[Tutorial one: "Hello World!"](http://www.rabbitmq.com/tutorial-one-java.html):
+
+    lein run -m "rabbitmq.tutorials.send"
+    lein run -m "rabbitmq.tutorials.receive"
+
+[Tutorial two: Work Queues](http://www.rabbitmq.com/tutorial-two-java.html):
+
+    lein run -m "rabbitmq.tutorials.new-task"
+    lein run -m "rabbitmq.tutorials.worker"
+
+[Tutorial three: Publish/Subscribe](http://www.rabbitmq.com/tutorial-three-java.html)
+
+    ruby receive_logs.rb
+    ruby emit_log.rb
+
+[Tutorial four: Routing](http://www.rabbitmq.com/tutorial-four-java.html)
+
+    ruby receive_logs_direct.rb
+    ruby emit_log_direct.rb
+
+[Tutorial five: Topics](http://www.rabbitmq.com/tutorial-five-java.html)
+
+    ruby receive_logs_topic.rb
+    ruby emit_log_topic.rb
+
+[Tutorial six: RPC](http://www.rabbitmq.com/tutorial-six-java.html)
+
+    ruby rpc_server.rb
+    ruby rpc_client.rb
+
+To learn more, visit [Langohr documentation](http://clojurerabbitmq.info) site.

clojure/project.clj

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+(defproject com.rabbitmq/tutorials "1.0.0-SNAPSHOT"
+  :description "RabbitMQ tutorials using Langohr"
+  :url "http://github.com/rabbitmq/rabbitmq-tutorial"
+  :license {:name "Eclipse Public License"
+            :url "http://www.eclipse.org/legal/epl-v10.html"}
+  :dependencies [[org.clojure/clojure     "1.5.1"]
+                 [com.novemberain/langohr "1.3.0"]])

clojure/src/rabbitmq/tutorials/receive.clj

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+(ns rabbitmq.tutorials.receive
+  (:require [langohr.core :as lc]
+            [langohr.channel :as lch]
+            [langohr.queue :as lq]
+            [langohr.consumers :as lcons]))
+
+(defn handle-delivery
+  "Handles message delivery"
+  [ch metadata payload]
+  (println (format " [x] Received %s" (String. payload "UTF-8"))))
+
+(defn -main
+  [& args]
+  (with-open [conn (lc/connect)]
+    (let [ch   (lch/open conn)]
+      (lq/declare ch "hello" :durable false :auto-delete false)
+      (println " [*] Waiting for messages. To exit press CTRL+C")
+      (lcons/blocking-subscribe ch "hello" handle-delivery :auto-ack true))))

clojure/src/rabbitmq/tutorials/send.clj

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+(ns rabbitmq.tutorials.send
+  (:require [langohr.core :as lc]
+            [langohr.channel :as lch]
+            [langohr.queue :as lq]
+            [langohr.basic :as lb]))
+
+
+(defn -main
+  [& args]
+  (with-open [conn (lc/connect)]
+    (let [ch   (lch/open conn)]
+      (lq/declare ch "hello" :durable false :auto-delete false)
+      (lb/publish ch "" "hello" (.getBytes "Hello World!" "UTF-8"))
+      (println " [x] Sent 'Hello World!'"))))