Java AMQP类代码示例

import com.rabbitmq.client.AMQP; //导入依赖的package包/类
static Scope buildChildSpan(AMQP.BasicProperties props, Tracer tracer) {
  SpanContext context = TracingUtils.extract(props, tracer);
  if (context != null) {
    Tracer.SpanBuilder spanBuilder = tracer.buildSpan("receive")
        .ignoreActiveSpan()
        .withTag(Tags.SPAN_KIND.getKey(), Tags.SPAN_KIND_CONSUMER);

    spanBuilder.addReference(References.FOLLOWS_FROM, context);

    Scope scope = spanBuilder.startActive(true);
    SpanDecorator.onResponse(scope.span());
    return scope;
  }

  return null;
}
 

import com.rabbitmq.client.AMQP; //导入依赖的package包/类
private AMQP.BasicProperties inject(AMQP.BasicProperties properties, Span span) {

    // Headers of AMQP.BasicProperties is unmodifiableMap therefore we build new AMQP.BasicProperties
    // with injected span context into headers
    Map<String, Object> headers = new HashMap<>();

    tracer.inject(span.context(), Format.Builtin.TEXT_MAP, new HeadersMapInjectAdapter(headers));

    if (properties == null) {
      return new AMQP.BasicProperties().builder().headers(headers).build();
    }

    if (properties.getHeaders() != null) {
      headers.putAll(properties.getHeaders());
    }

    return properties.builder()
        .headers(headers)
        .build();
  }
 

import com.rabbitmq.client.AMQP; //导入依赖的package包/类
public ListenableFuture<?> publishAsync(final Exchange exchange, final Message message, final @Nullable BasicProperties properties, final @Nullable Publish publish) {
    // NOTE: Serialization must happen synchronously, because getter methods may not be thread-safe
    final String payload = gson.toJson(message);
    final AMQP.BasicProperties finalProperties = getProperties(message, properties);
    final Publish finalPublish = Publish.forMessage(message, publish);

    if(this.executorService == null) throw new IllegalStateException("Not connected");
    return this.executorService.submit(new Runnable() {
        @Override
        public void run() {
            try {
                publish(exchange, payload, finalProperties, finalPublish);
            } catch(Throwable e) {
                logger.log(Level.SEVERE, "Unhandled exception publishing message type " + finalProperties.getType(), e);
            }
        }
    });
}
 

import com.rabbitmq.client.AMQP; //导入依赖的package包/类
SourceRecord sourceRecord(String consumerTag, Envelope envelope, AMQP.BasicProperties basicProperties, byte[] bytes) {
  Struct key = MessageConverter.key(basicProperties);
  Struct value = MessageConverter.value(consumerTag, envelope, basicProperties, bytes);
  final String topic = this.config.kafkaTopic.execute(RabbitMQSourceConnectorConfig.KAFKA_TOPIC_TEMPLATE, value);

  return new SourceRecord(
      ImmutableMap.of("routingKey", envelope.getRoutingKey()),
      ImmutableMap.of("deliveryTag", envelope.getDeliveryTag()),
      topic,
      null,
      key.schema(),
      key,
      value.schema(),
      value,
      null == basicProperties.getTimestamp() ? this.time.milliseconds() : basicProperties.getTimestamp().getTime()
  );
}
 

import com.rabbitmq.client.AMQP; //导入依赖的package包/类
GabrielGateway(int shardId, Channel channel) throws IOException {
    super(shardId, channel);
    channel.queueDeclare("shard-" + shardId + "-getping", false, false, false, null);
    channel.queueDeclare("shard-" + shardId + "-getping-response", false, false, false, null);
    channel.basicConsume("shard-" + shardId + "-getping", true, new DefaultConsumer(channel) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
            channel.basicPublish("", "shard-" + shardId + "-getping-response", null, body);
        }
    });
}
 

import com.rabbitmq.client.AMQP; //导入依赖的package包/类
@Override
@SuppressWarnings("unchecked")
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
    // decode internal message
    InternalMessage msg = JSONs.decodeInternalMessage(body);

    // notify listener
    if (msg != null) {
        logger.debug("Communicator received: Received {} message for client {} user {}", msg.getMessageType(), msg.getClientId(), msg.getUserName());
        switch (msg.getMessageType()) {
            case PUBLISH:
                listener.onPublish((InternalMessage<Publish>) msg);
                break;
            case DISCONNECT:
                listener.onDisconnect((InternalMessage<Disconnect>) msg);
                break;
            default:
                logger.warn("Communicator error: Communicator received unexpected message type {}", msg.getMessageType());
        }
    }
}
 

import com.rabbitmq.client.AMQP; //导入依赖的package包/类
/**
 * @param args
 * @throws TimeoutException
 * @throws IOException
 * @throws InterruptedException
 * @throws ConsumerCancelledException
 * @throws ShutdownSignalException
 */
public static void main(String[] args) throws IOException, TimeoutException, ShutdownSignalException,
		ConsumerCancelledException, InterruptedException {
	ConnectionFactory factory = new ConnectionFactory();
	factory.setHost(host);
	factory.setUsername(username);
	factory.setPassword(password);
	factory.setPort(port);
	factory.setVirtualHost(virtualHost);
	Connection connection = factory.newConnection();
	Channel channel = connection.createChannel();
	channel.queueDeclare(RPC_QUEUE_NAME, false, false, false, null);
	channel.basicQos(1);
	QueueingConsumer consumer = new QueueingConsumer(channel);
	channel.basicConsume(RPC_QUEUE_NAME, false, consumer);

	System.out.println("RPCServer Awating RPC request");
	while (true) {
		QueueingConsumer.Delivery delivery = consumer.nextDelivery();
		BasicProperties props = delivery.getProperties();
		BasicProperties replyProps = new AMQP.BasicProperties.Builder().correlationId(props.getCorrelationId())
				.build();

		String message = new String(delivery.getBody(), "UTF-8");
		int n = Integer.parseInt(message);

		System.out.println("RPCServer fib(" + message + ")");
		String response = "" + fib(n);
		channel.basicPublish("", props.getReplyTo(), replyProps, response.getBytes());
		channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
	}
}
 

import com.rabbitmq.client.AMQP; //导入依赖的package包/类
/**
 * @param args
 * @throws IOException
 * @throws TimeoutException
 * @date 2017年7月13日 下午2:57:32
 * @writer junehappylove
 */
public static void main(String[] args) throws IOException, TimeoutException {
	ConnectionFactory factory = new ConnectionFactory();
	factory.setHost(host);
	factory.setUsername(username);
	factory.setPassword(password);
	factory.setPort(port);
	factory.setVirtualHost(virtualHost);
	Connection connection = factory.newConnection();
	Channel channel = connection.createChannel();
	// 声明交换器
	channel.exchangeDeclare(EXCHANGE_NAME_ROUTING, "direct");
	// 获取匿名队列名称
	String queueName = channel.queueDeclare().getQueue();
	// 根据路由关键字进行多重绑定
	for (String severity : routingKeys2) {
		channel.queueBind(queueName, EXCHANGE_NAME_ROUTING, severity);
		System.out.println("ReceiveLogsDirect2 exchange:" + EXCHANGE_NAME_ROUTING + ", queue:" + queueName
				+ ", BindRoutingKey:" + severity);
	}
	System.out.println("ReceiveLogsDirect2 Waiting for messages");

	Consumer consumer = new DefaultConsumer(channel) {
		@Override
		public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
				byte[] body) throws UnsupportedEncodingException {
			String message = new String(body, "UTF-8");
			System.out.println("ReceiveLogsDirect2 Received '" + envelope.getRoutingKey() + "':'" + message + "'");
		}
	};
	channel.basicConsume(queueName, true, consumer);

}
 

import com.rabbitmq.client.AMQP; //导入依赖的package包/类
/**
 * @param args
 * @throws TimeoutException
 * @throws IOException
 * @date 2017年7月13日 下午2:53:18
 * @writer junehappylove
 */
public static void main(String[] args) throws IOException, TimeoutException {
	ConnectionFactory factory = new ConnectionFactory();
	factory.setHost(host);
	factory.setUsername(username);
	factory.setPassword(password);
	factory.setPort(port);
	factory.setVirtualHost(virtualHost);
	Connection connection = factory.newConnection();
	Channel channel = connection.createChannel();
	// 声明交换器
	channel.exchangeDeclare(EXCHANGE_NAME_ROUTING, "direct");
	// 获取匿名队列名称
	String queueName = channel.queueDeclare().getQueue();

	// 根据路由关键字进行绑定
	for (String routingKey : routingKeys1) {
		channel.queueBind(queueName, EXCHANGE_NAME_ROUTING, routingKey);
		System.out.println("ReceiveLogsDirect1 exchange:" + EXCHANGE_NAME_ROUTING + "," + " queue:" + queueName
				+ ", BindRoutingKey:" + routingKey);
	}
	System.out.println("ReceiveLogsDirect1  Waiting for messages");
	Consumer consumer = new DefaultConsumer(channel) {
		@Override
		public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
				byte[] body) throws IOException {
			String message = new String(body, "UTF-8");
			System.out.println("ReceiveLogsDirect1 Received '" + envelope.getRoutingKey() + "':'" + message + "'");
		}
	};
	channel.basicConsume(queueName, true, consumer);

}
 

import com.rabbitmq.client.AMQP; //导入依赖的package包/类
public static synchronized void init(Channel channel) throws IOException, TimeoutException {
    if(current != null) {
        throw new IllegalStateException("Already started");
    }
    current = new GatewayInfo("unknown", "unknown", -1, -1, -1, -1, -1, -1, -1);
    channel.queueDeclare("gateway-info", false, false, false, null);
    channel.basicConsume("gateway-info", true, new DefaultConsumer(channel) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
            JSONObject object = new JSONObject(new String(body, StandardCharsets.UTF_8));
            JSONObject ram = object.getJSONObject("ram");
            try {
                current = new GatewayInfo(
                        object.getString("version"),
                        object.getString("jda-version"),
                        object.getDouble("cpu-usage"),
                        object.getInt("thread-count"),
                        object.getLong("uptime"),
                        ram.getLong("used"),
                        ram.getLong("free"),
                        ram.getLong("total"),
                        ram.getLong("max")
                );
            } catch(JSONException e) {
                GabrielBot.LOGGER.error("Error creating GatewayInfo: " + e.getMessage());
            }
        }
    });
}
 

import com.rabbitmq.client.AMQP; //导入依赖的package包/类
/**
 * @param args
 * @throws TimeoutException
 * @throws IOException
 * @date 2017年7月13日 下午2:40:52
 * @writer junehappylove
 */
public static void main(String[] args) throws IOException, TimeoutException {
	ConnectionFactory factory = new ConnectionFactory();
	factory.setHost(host);
	factory.setUsername(username);
	factory.setPassword(password);
	factory.setPort(port);
	factory.setVirtualHost(virtualHost);
	Connection connection = factory.newConnection();
	Channel channel = connection.createChannel();

	channel.exchangeDeclare(EXCHANGE_NAME, "fanout");

	// 产生一个随机的队列名称
	String queueName = channel.queueDeclare().getQueue();
	channel.queueBind(queueName, EXCHANGE_NAME, "");// 对队列进行绑定

	System.out.println("ReceiveLogs1 Waiting for messages");
	Consumer consumer = new DefaultConsumer(channel) {
		@Override
		public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
				byte[] body) throws IOException {
			String message = new String(body, "UTF-8");
			System.out.println("ReceiveLogs1 Received '" + message + "'");
		}
	};
	channel.basicConsume(queueName, true, consumer);// 队列会自动删除
}
 

import com.rabbitmq.client.AMQP; //导入依赖的package包/类
/**
	 * @param args
	 * @throws TimeoutException 
	 * @throws IOException 
	 * @date 2017年7月13日 下午3:08:40
	 * @writer junehappylove
	 */
	public static void main(String[] args) throws IOException, TimeoutException {
		ConnectionFactory factory = new ConnectionFactory();
		factory.setHost(host);
		factory.setUsername(username);
		factory.setPassword(password);
		factory.setPort(port);
		factory.setVirtualHost(virtualHost);
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
//      声明一个匹配模式的交换器
        channel.exchangeDeclare(EXCHANGE_NAME_TOPIC, "topic");
        String queueName = channel.queueDeclare().getQueue();
        // 路由关键字
        String[] routingKeys = new String[]{"*.*.rabbit", "lazy.#"};
//      绑定路由关键字
        for (String bindingKey : routingKeys) {
            channel.queueBind(queueName, EXCHANGE_NAME_TOPIC, bindingKey);
            System.out.println("ReceiveLogsTopic2 exchange:"+EXCHANGE_NAME_TOPIC+", queue:"+queueName+", BindRoutingKey:" + bindingKey);
        }

        System.out.println("ReceiveLogsTopic2 Waiting for messages");

        Consumer consumer = new DefaultConsumer(channel) {
            @Override
			public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
					byte[] body) throws UnsupportedEncodingException  {
                String message = new String(body, "UTF-8");
                System.out.println("ReceiveLogsTopic2 Received '" + envelope.getRoutingKey() + "':'" + message + "'");
            }
        };
        channel.basicConsume(queueName, true, consumer);
	}
 

import com.rabbitmq.client.AMQP; //导入依赖的package包/类
/**
 * @param args
 * @throws IOException
 * @throws TimeoutException
 * @date 2017年7月13日 下午3:06:20
 * @writer junehappylove
 */
public static void main(String[] args) throws IOException, TimeoutException {
	ConnectionFactory factory = new ConnectionFactory();
	factory.setHost(host);
	factory.setUsername(username);
	factory.setPassword(password);
	factory.setPort(port);
	factory.setVirtualHost(virtualHost);
	Connection connection = factory.newConnection();
	Channel channel = connection.createChannel();

	// 声明一个匹配模式的交换机
	channel.exchangeDeclare(EXCHANGE_NAME_TOPIC, "topic");
	String queueName = channel.queueDeclare().getQueue();
	// 路由关键字
	String[] routingKeys = new String[] { "*.orange.*" };
	// 绑定路由
	for (String routingKey : routingKeys) {
		channel.queueBind(queueName, EXCHANGE_NAME_TOPIC, routingKey);
		System.out.println("ReceiveLogsTopic1 exchange:" + EXCHANGE_NAME_TOPIC + ", queue:" + queueName
				+ ", BindRoutingKey:" + routingKey);
	}
	System.out.println("ReceiveLogsTopic1 Waiting for messages");

	Consumer consumer = new DefaultConsumer(channel) {
		@Override
		public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
				byte[] body) throws IOException {
			String message = new String(body, "UTF-8");
			System.out.println("ReceiveLogsTopic1 Received '" + envelope.getRoutingKey() + "':'" + message + "'");
		}
	};
	channel.basicConsume(queueName, true, consumer);

}
 

import com.rabbitmq.client.AMQP; //导入依赖的package包/类
/**
 * Configures the rabbitmq queues and the {@code shard-<id>-receive} consumer.
 *
 * Subclasses that want to change how messages are sent/received can override this method to disable the default implementation.
 *
 * @throws IOException if there's an error on {@link Channel#queueDeclare(String, boolean, boolean, boolean, Map)} or {@link Channel#basicConsume(String, boolean, Consumer)}.
 */
protected void configure() throws IOException {
    channel.queueDeclare("shard-" + shardId + "-send", true, false, false, null);
    channel.queueDeclare("shard-" + shardId + "-receive", true, false, false, null);
    channel.queueDeclare("shard-" + shardId + "-available", true, false, false, null);
    channel.queueDeclare("shard-" + shardId + "-unavailable", true, false, false, null);
    channel.basicConsume("shard-" + shardId + "-receive", true, new DefaultConsumer(channel) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
            ClientWebSocketClient c = client.get();
            if(c == null) return;
            JSONObject obj = new JSONObject(new String(body, StandardCharsets.UTF_8));
            if(obj.has("t") && obj.getString("t").equals("gateway-ping-update")) {
                c.getJDA().setPing(obj.getJSONObject("d").getLong("ping"));
                return;
            }
            if(enableRawGatewayEvent)
                c.getJDA().getEventManager().handle(new RawGatewayEvent(c.getJDA(), new JSONObject(obj.toString())));
            c.handleEvent(obj);
        }
    });
}
 

import com.rabbitmq.client.AMQP; //导入依赖的package包/类
/**
 * 接受消息
 */
public void receiveQuickstartMessage() throws IOException, TimeoutException {
    RabbitMQChannel channel = new RabbitMQChannel().channel();
    AMQP.Queue.DeclareOk declareOk = channel.getChannel().queueDeclare(QUICKSTART_QUEUE_NAME, false, false, false, null);
    System.out.println("等待接受队列【" + QUICKSTART_QUEUE_NAME + "】消息");
    //建立一个消费者 监听消息的接受
    Consumer consumer = new DefaultConsumer(channel.getChannel()) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope,
                                   AMQP.BasicProperties properties, byte[] body)
                throws IOException {
            String message = new String(body, "UTF-8");
            System.out.println("接受消息:" + message);
        }
    };
    channel.getChannel().basicConsume(QUICKSTART_QUEUE_NAME, true, consumer);
    //channel.close();
}