+/*
+ * Copyright 2011 GRNET S.A. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and
+ * documentation are those of the authors and should not be
+ * interpreted as representing official policies, either expressed
+ * or implied, of GRNET S.A.
+ */
+
+package gr.grnet.aquarium.messaging
+
+import com.rabbitmq.client.Address
+import akka.actor._
+import akka.amqp.{Topic, AMQP}
+import akka.amqp.AMQP._
+
+/**
+ * Functionality for working with queues.
+ *
+ * @author Georgios Gousios <gousiosg@gmail.com>
+ */
+
+trait AkkaAMQP {
+
+ private lazy val connection = AMQP.newConnection(
+ ConnectionParameters(
+ Array(new Address("1.2.3.4",5672)),
+ "foob",
+ "bar",
+ "/",
+ 5000,
+ None))
+
+ //Queues and exchnages are by default durable and persistent
+ val decl = ActiveDeclaration(durable = true, autoDelete = false)
+
+ //TODO: Methods to load configuration from {file, other resource}
+
+ def consumer(routekey: String, queue: String, receiver: ActorRef) =
+ AMQP.newConsumer(
+ connection = connection,
+ consumerParameters = ConsumerParameters(
+ routingKey = routekey,
+ deliveryHandler = receiver,
+ queueName = Some(queue),
+ queueDeclaration = decl
+ ))
+
+ def producer(exchange: String) = AMQP.newProducer(
+ connection = connection,
+ producerParameters = ProducerParameters(
+ exchangeParameters = Some(ExchangeParameters(exchange, Topic, decl)),
+ channelParameters = Some(ChannelParameters(prefetchSize = 1))))
+}
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