Java Channel.close方法代码示例

import com.rabbitmq.client.Channel; //导入方法依赖的package包/类
public static void main(String[] args) throws IOException {
	ConnectionFactory factory = new ConnectionFactory();
	factory.setUsername("guest");
	factory.setPassword("guest");
	factory.setVirtualHost("/");
	factory.setHost("localhost");
	factory.setPort(5672);
	Connection newConnection = factory.newConnection();

	Channel channel = newConnection.createChannel();

	Scanner scanner = new Scanner(System.in);
	String message = "";
	while(!message.equals("exit")){
		System.out.println("Enter your message");
		message = scanner.next();
		channel.queueDeclare("flink-test", true, false, false, null);
		channel.basicPublish("", "flink-test", new BasicProperties.Builder()
				.correlationId(java.util.UUID.randomUUID().toString()).build(), message.getBytes());
	}
	
	scanner.close();
	channel.close();
	newConnection.close();
}
 

import com.rabbitmq.client.Channel; //导入方法依赖的package包/类
private void close(Connection connection, Channel channel) {
    try {
        if (channel != null && channel.isOpen()) {
            if (this.consumerTag != null) {
                channel.basicCancel(this.consumerTag);
                this.consumerTag = null;
            }
            log.info("Closing RabbitMQ Channel - " + this.serverIP);
            channel.close();
            this.channel = null;
        }
        if (connection != null && connection.isOpen()) {
            log.info("Closing RabbitMQ Connection - " + this.serverIP);
            connection.close(CLOSE_CONNECTION_TIMEOUT);
            this.connection = null;
        }
    } catch (Exception e) {
        log.error("Failed to close RabbitMQ connections " + this.serverIP, e);
    }
}
 

import com.rabbitmq.client.Channel; //导入方法依赖的package包/类
public static void main(String[] argv) throws Exception {
  ConnectionFactory factory = new ConnectionFactory();
  factory.setHost("localhost");
  Connection connection = factory.newConnection();
  Channel channel = connection.createChannel();

  channel.exchangeDeclare(EXCHANGE_NAME, BuiltinExchangeType.FANOUT);

  String message = getMessage(argv);

  channel.basicPublish(EXCHANGE_NAME, "", null, message.getBytes("UTF-8"));
  System.out.println(" [x] Sent '" + message + "'");

  channel.close();
  connection.close();
}
 

import com.rabbitmq.client.Channel; //导入方法依赖的package包/类
public static void main(String[] argv) throws Exception {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    Connection conn = factory.newConnection();
    Channel channel = conn.createChannel();

    channel.exchangeDeclare(EXCHANGE_NAME, BuiltinExchangeType.FANOUT);

    String msg = getMessage(argv);

    Date date = new Date();
    SimpleDateFormat sdf = new SimpleDateFormat("dd MMM yyyy @ HH:mm:ss");
    String sDate = sdf.format(date);

    String finalMsg = sDate + ": " + msg;

    channel.basicPublish(EXCHANGE_NAME, "", null, finalMsg.getBytes("UTF-8"));
    System.out.println("Emmited message: " + finalMsg);

    channel.close();
    conn.close();
}
 

import com.rabbitmq.client.Channel; //导入方法依赖的package包/类
/**
 * @param args
 * @throws IOException
 * @throws TimeoutException
 * @date 2017年7月11日 下午5:53:02
 * @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.queueDeclare(TASK_QUEUE_NAME, true, false, false, null);
	// 分发信息
	for (int i = 0; i < 20; i++) {
		String message = "Hello RabbitMQ" + i;
		channel.basicPublish("", TASK_QUEUE_NAME, MessageProperties.PERSISTENT_TEXT_PLAIN, message.getBytes());
		System.out.println("NewTask send '" + message + "'");
	}
	channel.close();
	connection.close();
}
 

import com.rabbitmq.client.Channel; //导入方法依赖的package包/类
/**
 * @param args
 * @throws TimeoutException
 * @throws IOException
 * @date 2017年7月13日 下午2:49:49
 * @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();
	// 声明交换机
	channel.exchangeDeclare(EXCHANGE_NAME_ROUTING, "direct");// 注意是direct
	// 发送信息
	for (String routingKey : routingKeys) {
		String message = "RoutingSendDirect Send the message level:" + routingKey;
		channel.basicPublish(EXCHANGE_NAME_ROUTING, routingKey, null, message.getBytes());
		System.out.println("RoutingSendDirect Send" + routingKey + "':'" + message);
	}
	channel.close();
	connection.close();
}
 

import com.rabbitmq.client.Channel; //导入方法依赖的package包/类
public static void main(String[] argv) throws Exception {
		ConnectionFactory factory = new ConnectionFactory();
//		factory.setHost("");
		factory.setUri("amqp://alpha.netkiller.cn");
		factory.setUsername("admin");
//		factory.setPassword("admin123");
		Connection connection = factory.newConnection();
		Channel channel = connection.createChannel();

		channel.queueDeclare(QUEUE_NAME, false, false, false, null);
		String message = "Hello World!";
		channel.basicPublish("", QUEUE_NAME, null, message.getBytes());
		System.out.println(" [x] Sent '" + message + "'");

		channel.close();
		connection.close();
	}
 

import com.rabbitmq.client.Channel; //导入方法依赖的package包/类
public static void main(String[] argv) throws Exception {

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.exchangeDeclare(EXCHANGE_NAME, BuiltinExchangeType.DIRECT);

    String severity = getSeverity(argv);
    String message = getMessage(argv);

    channel.basicPublish(EXCHANGE_NAME, severity, null, message.getBytes("UTF-8"));
    System.out.println(" [x] Sent '" + severity + "':'" + message + "'");

    channel.close();
    connection.close();
  }
 

import com.rabbitmq.client.Channel; //导入方法依赖的package包/类
public static void main(String[] argv) throws Exception {
  ConnectionFactory factory = new ConnectionFactory();
  factory.setHost("localhost");
  Connection connection = factory.newConnection();
  Channel channel = connection.createChannel();

  channel.queueDeclare(TASK_QUEUE_NAME, true, false, false, null);

  String message = getMessage(argv);

  channel.basicPublish("", TASK_QUEUE_NAME,
      MessageProperties.PERSISTENT_TEXT_PLAIN,
      message.getBytes("UTF-8"));
  System.out.println(" [x] Sent '" + message + "'");

  channel.close();
  connection.close();
}
 

import com.rabbitmq.client.Channel; //导入方法依赖的package包/类
private byte[] readMessage() throws Exception {
  final CountDownLatch countDown = new CountDownLatch(1);
  final AtomicReference<byte[]> result = new AtomicReference<>();

  Channel channel = sender.get().createChannel();
  try {
    channel.basicConsume(sender.queue(), true, new DefaultConsumer(channel) {
      @Override public void handleDelivery(String consumerTag, Envelope envelope,
          AMQP.BasicProperties properties, byte[] body) throws IOException {
        result.set(body);
        countDown.countDown();
      }
    });
    countDown.await(5, TimeUnit.SECONDS);
  } finally {
    channel.close();
  }
  return result.get();
}
 

import com.rabbitmq.client.Channel; //导入方法依赖的package包/类
/**
 * @param args
 * @throws TimeoutException
 * @throws IOException
 * @date 2017年7月13日 下午2:37:37
 * @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");// fanout表示分发，所有的消费者得到同样的队列信息
	// 分发信息
	for (int i = 0; i < 5; i++) {
		String message = "Hello World" + i;
		channel.basicPublish(EXCHANGE_NAME, "", null, message.getBytes());
		System.out.println("EmitLog Sent '" + message + "'");
	}
	channel.close();
	connection.close();

}
 

import com.rabbitmq.client.Channel; //导入方法依赖的package包/类
private void updateTaskStatus(TaskStatus status) {
    logger.info("[Study = " + taskStudy + "] [Unit = "+ unitId + "] Sending task update to server. Task id = [" + task.getId() + "] status = ["+status.toString()+"]");
    final String QUEUE_NAME =  SystemConstants.UBONGO_SERVER_TASKS_STATUS_QUEUE;
    try {
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(serverAddress);
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
        channel.queueDeclare(QUEUE_NAME, false, false, false, null);
        task.setStatus(status);
        RabbitData message = new RabbitData(task, MachineConstants.UPDATE_TASK_REQUEST);
        channel.basicPublish("", QUEUE_NAME, null, message.getBytes());
        if (logger.isDebugEnabled()) {
            logger.debug(" [!] Sent '" + message.getMessage() + "'");
        }
        channel.close();
        connection.close();
    } catch (Exception e){
        logger.error("[Study = " + taskStudy + "] [Unit = "+ unitId + "] Failed sending task status to server. Task id = [" + task.getId() + "] Status = [" +
                status.toString() + "] error: " + e.getMessage(), e);
    }
}
 

import com.rabbitmq.client.Channel; //导入方法依赖的package包/类
public void start(Connection connection) {
	try {
		active = true;
		Channel channel = connection.createChannel();
		QueueingConsumer consumer = new QueueingConsumer(channel);
		channel.basicQos(1);
		channel.basicConsume("trade.eq.q", false, consumer);
		while (active) {
			QueueingConsumer.Delivery msg = consumer.nextDelivery();
			System.out.println("message received: " + new String(msg.getBody()));
			Thread.sleep(1000);
			channel.basicAck(msg.getEnvelope().getDeliveryTag(), false);
		}
		channel.close();
	} catch (Exception e) {
		e.printStackTrace();
	}	
}
 

import com.rabbitmq.client.Channel; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {

        //建立连接工厂
        ConnectionFactory factory = new ConnectionFactory();
        //设置连接地址
        factory.setHost("seaof-153-125-234-173.jp-tokyo-10.arukascloud.io");
        factory.setPort(31084);
        //获取连接
        Connection connection = factory.newConnection();
        //获取渠道
        Channel channel = connection.createChannel();

        //声明交换机类型
        channel.exchangeDeclare(EXCHANGE_NAME, "fanout");

        //产生随机数字
        String message = RandomStringUtils.randomNumeric(8);

        channel.basicPublish(EXCHANGE_NAME, "", null, message.getBytes());

        channel.close();
        connection.close();

    }
 

import com.rabbitmq.client.Channel; //导入方法依赖的package包/类
/**
 * Helper method to retrieve queue message from rabbitMQ
 *
 * @return result
 * @throws Exception
 */
private static String consumeWithoutCertificate() throws Exception {
    String result = "";
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    factory.setPort(5671);
    factory.useSslProtocol();

    Connection conn = factory.newConnection();
    Channel channel = conn.createChannel();

    GetResponse chResponse = channel.basicGet("WithoutClientCertQueue", true);
    if(chResponse != null) {
        byte[] body = chResponse.getBody();
        result = new String(body);
    }
    channel.close();
    conn.close();
    return result;
}