All Downloads are FREE. Search and download functionalities are using the official Maven repository.

com.emily.infrastructure.rabbitmq.example.cluster.Send Maven / Gradle / Ivy

There is a newer version: 5.0.1
Show newest version
package com.emily.infrastructure.rabbitmq.example.cluster;

import com.rabbitmq.client.*;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentNavigableMap;
import java.util.concurrent.ConcurrentSkipListMap;
import java.util.concurrent.TimeUnit;

/**
 * Direct类型交换器发送消息客户端
 *
 * @since 1.0
 */
@SuppressWarnings("all")
public class Send {
    /**
     * 队列名称
     */
    private static final String QUEUE_NAME = "test_queue";
    /**
     * 交换器
     */
    public static final String EXCHANGE_NAME = "test_exchange";
    /**
     * 路由
     */
    public static final String ROUTING_KEY = "test.routing.key";
    /**
     * BindingKey
     */
    public static final String BINDING_KEY = "*.routing.key";

    public static void main(String[] args) throws Exception {
        /**
         * {@link Connection}的工厂类
         */
        ConnectionFactory factory = new ConnectionFactory();
        /**
         * 设置vhost
         */
        factory.setVirtualHost(ConnectionFactory.DEFAULT_VHOST);
        /**
         * 设置连接的主机
         */
        factory.setHost("127.0.0.1");
        /**
         * 设置端口号
         */
        factory.setPort(5672);
        /**
         * 用户名
         */
        factory.setUsername("admin");
        /**
         * 密码
         */
        factory.setPassword("admin");

        List
addresses = new ArrayList<>(); addresses.add(new Address("127.0.0.1", 5672)); addresses.add(new Address("127.0.0.1", 5673)); addresses.add(new Address("127.0.0.1", 5674)); /** * 创建新的代理连接 */ try (Connection connection = factory.newConnection(addresses)) { /* char[] keyPassphrase = "MySecretPassword".toCharArray(); KeyStore ks = KeyStore.getInstance("PKCS12"); ks.load(new FileInputStream("/path/to/client/keycert.p12"), keyPassphrase); KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509"); kmf.init(ks, "passphrase".toCharArray()); char[] trustPassphrase = "rabbitstore".toCharArray(); KeyStore tks = KeyStore.getInstance("JKS"); tks.load(new FileInputStream("/path/to/trustStore"), trustPassphrase); TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509"); tmf.init(tks); SSLContext c = SSLContext.getInstance("TLSv1.2"); c.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null); factory.useSslProtocol(c);*/ /** * 使用内部分配的通道号创建一个新的频道 */ Channel channel = connection.createChannel(); connection.addBlockedListener(new BlockedListener() { @Override public void handleBlocked(String reason) throws IOException { System.out.println("Blocked:" + reason); } @Override public void handleUnblocked() throws IOException { System.out.println("Unblocked"); } }); /** * 声明一个交换器(Exchange),通过完整的参数集; * exchange: 交换器的名称 * type: 交换器类型 * durable: true 如果声明一个持久化的交换器(服务端重启交换器仍然存在) * autoDelete: true 如果服务器不在使用交换器时删除它 * internal: true 如果交换器是内置的,则表示客户端无法直接发送消息到这个交换器中,只能通过交换器路由到交换器的方式 * arguments: 交换器的其它属性(构造参数) */ channel.exchangeDeclare(EXCHANGE_NAME, BuiltinExchangeType.TOPIC, true, false, false, null); Map arguments = new HashMap<>(); /** * 设置队列支持的最大优先级为10,如果不设置此参数,队列将不会支持消息优先级 */ arguments.put("x-max-priority", 10); /** * 声明队列 * durable: true 如果我们声明一个持久化队列(队列将会在服务重启后任然存在) * exclusive: true 如果我们声明一个独占队列(仅限于此链接) * autoDelete: true 声明一个自动删除队列(服务器将在不使用它时删除,即队列的连接数为0) * arguments: 队列的其它属性(构造参数) */ channel.queueDeclare(QUEUE_NAME, true, false, false, arguments); /** * mandatory:如果为true,则消息回退,通过basic.return方法退回给发送者 */ channel.addReturnListener((returnMessage) -> { try { System.out.println("退回的消息是:" + returnMessage.getExchange() + "," + returnMessage.getRoutingKey() + "," + returnMessage.getReplyCode() + "," + returnMessage.getReplyText() + "," + new String(returnMessage.getBody(), "UTF-8")); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } }); /** * queue:队列名称 * exchange:交换器名称 * routingKey:用于绑定的路由key */ channel.queueBind(QUEUE_NAME, EXCHANGE_NAME, BINDING_KEY); String message = "Hello World,我们现在做的是测试RabbitMQ消息中间件,这中间我们可能会遇到很多的问题,不怕,一个一个的解决!"; /** * 在此信道上开启发布者确认(publisher confirms) */ channel.confirmSelect(); ConcurrentNavigableMap outstandingConfirms = new ConcurrentSkipListMap<>(); channel.addConfirmListener(new ConfirmListener() { @Override public void handleAck(long deliveryTag, boolean multiple) throws IOException { String body = outstandingConfirms.get(deliveryTag); System.out.println("发布的消息已经被ack,序列号是:" + deliveryTag + ",multiple:" + multiple + ",message:" + message); if (multiple) { ConcurrentNavigableMap confirmed = outstandingConfirms.headMap(deliveryTag, true); confirmed.clear(); } else { outstandingConfirms.remove(deliveryTag); } } @Override public void handleNack(long deliveryTag, boolean multiple) throws IOException { String body = outstandingConfirms.get(deliveryTag); System.out.println("发布的消息已经被nack-ed,序列号是:" + deliveryTag + ",multiple:" + multiple + ",message:" + message); if (multiple) { ConcurrentNavigableMap confirmed = outstandingConfirms.headMap(deliveryTag, true); confirmed.clear(); } else { outstandingConfirms.remove(deliveryTag); } } }); while (true) { AMQP.BasicProperties.Builder properties = MessageProperties.PERSISTENT_TEXT_PLAIN.builder(); //int priority = RandomUtils.nextInt(0, 15); int priority = 10; /** * 设置消息的优先级 */ properties.priority(priority); /** * 发布确认序号和消息映射关系 */ outstandingConfirms.put(channel.getNextPublishSeqNo(), priority + ":" + message); /** * 发布消息 * 发布到不存在的交换器将导致信道级协议异常,该协议关闭信道, * exchange: 要将消息发送到的交换器 * routingKey: 路由KEY * props: 消息的其它属性,如:路由头等 * body: 消息体 */ channel.basicPublish(EXCHANGE_NAME, ROUTING_KEY, true, properties.build(), (priority + ":" + message).getBytes()); System.out.println(" [x] Sent '" + priority + ":" + message + "'"); TimeUnit.MILLISECONDS.sleep(100); } } } }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy