rabbitmq 3.6 延时消息

rabbitmq-plugins enable rabbitmq_delayed_message_exchange

#安装插件 https://github.com/rabbitmq/rabbitmq-delayed-message-exchange

生产端

rabbitTemplate.convertAndSend("direct.exchange", "notify", msg, new MessagePostProcessor() {

            @Override
            public Message postProcessMessage(Message message) throws AmqpException {
                message.getMessageProperties().setDelay(20000);
                System.out.println(sdf.format(new Date()) + " Delay sent.");
                return message;
            }
        });

消费端

@Component("delayedReceiver")
@EnableRabbit
@Configuration
public class DelayedReceiver {

    private SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

    @RabbitListener(queues = "notify.queue")
    public void handleMessageNotify(Object object, Channel channel) throws Exception {
        Message msg = (Message) object;
        System.out.println(sdf.format(new Date()) + " notify :" + new String(msg.getBody()));

        channel.basicAck(msg.getMessageProperties().getDeliveryTag(), false);
    }

    @Bean
    public Exchange direct() {
        return ExchangeBuilder.directExchange("direct.exchange").delayed().withArgument("x-delayed-type", "direct")
                .build();
    }

    @Bean
    public Queue notifyQueue() {
        return new Queue("notify.queue");
    }

    @Bean
    public Binding bindingNotify(DirectExchange direct, Queue notifyQueue) {
        return BindingBuilder.bind(notifyQueue).to(direct).with("notify");
    }

}