5. 01. EXCHANGES
Exchanges are where producers publish their messages.
02. QUEUES
Queues are where the messages end up and are received by consumers.
03. BINDINDS
Bindings are how the messages get routed from the exchange to
particular queues
AMQP ELEMENTS
6. CONSUMERS AND PRODUCERS
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Producers create messages and publish (send)
them to a broker server. Then the broker will
determine who(consumers) should get a copy of
messages.
Message = Payload + Label
16. Demo
ConnectionFactory factory = new ConnectionFactory();
factory.setHost(RABBITMQ_HOST);
Connection connection = factory.newConnection();
Channel channel = connection.createChannel();
boolean durable = true;
channel.exchangeDeclare(EXCHANGE_NAME, "topic");
Producer:
o channel.basicPublish( EXCHANGE_NAME, routingKey, null,
message.getBytes());
Consumer:
o String queueName = channel.queueDeclare().getQueue();
o channel.queueBind(queueName, EXCHANGE_NAME, bindingKey);
o QueueingConsumer consumer = new QueueingConsumer(channel);
o channel.basicConsume(queue, isAck, consumer);
o QueueingConsumer.Delivery delivery = consumer.nextDelivery();
o String message = new String(delivery.getBody());
17. Rabbitmqctl
o rabbitmqctl start
o rabbitmqctl stop
o rabbitmqctl list_queues
o rabbitmqctl list_exchanges
o rabbitmqctl list_bindings
o rabbitmqctl list_users
o rabbitmqctl add_user [username] [password]
o rabbitmqctl delete_user [username]
o rabbitmqctl changepassword [username] [new password]
