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RabbitMQ五种模式(WORK模式)


Send.java

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public class Send {
public static String QUEUE_NAME = "test_queue";

public static void main(String[] args) throws IOException, TimeoutException {
ConnectionFactory factory = new ConnectionFactory();
factory.setHost("localhost");
factory.setVirtualHost("/zhang");
factory.setUsername("zhang");
factory.setPassword("zhang");
Connection connection = factory.newConnection();
Channel channel = connection.createChannel();
channel.queueDeclare(
QUEUE_NAME, false, false,
false, null
);
for (int i = 0; i < 50; i++) {
String message = "message:\t" + i;
channel.basicPublish("", QUEUE_NAME, null, message.getBytes());
System.out.println(message);
try {
Thread.sleep(i * 10);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
channel.close();
connection.close();
}
}

Recv.java

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public class Recv {
public static String QUEUE_NAME = "test_queue";

public static void main(String[] args) throws IOException, TimeoutException {
ConnectionFactory factory = new ConnectionFactory();
factory.setHost("localhost");
factory.setVirtualHost("/zhang");
factory.setUsername("zhang");
factory.setPassword("zhang");
Connection connection = factory.newConnection();
Channel channel = connection.createChannel();
channel.basicQos(1);
channel.queueDeclare(
QUEUE_NAME, false, false,
false, null
);
DefaultConsumer 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(" [x] Received '" + message + "'");
try {
Thread.sleep(2 * 1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
channel.basicAck(envelope.getDeliveryTag(), false);
}
};
channel.basicConsume(QUEUE_NAME, false, consumer);
}
}

Recv2.java

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public class Recv2 {
public static String QUEUE_NAME = "test_queue";

public static void main(String[] args) throws IOException, TimeoutException {
ConnectionFactory factory = new ConnectionFactory();
factory.setHost("localhost");
factory.setVirtualHost("/zhang");
factory.setUsername("zhang");
factory.setPassword("zhang");
Connection connection = factory.newConnection();

Channel channel = connection.createChannel();
channel.basicQos(1);
channel.queueDeclare(
QUEUE_NAME, false, false,
false, null
);

DefaultConsumer 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(" [x] Received '" + message + "'");
try {
Thread.sleep(10);
} catch (InterruptedException e) {
e.printStackTrace();
}
channel.basicAck(envelope.getDeliveryTag(), false);
}
};
channel.basicConsume(QUEUE_NAME, false, consumer);
}
}

build.gradle

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plugins {
id 'java'
}

version = '0.0.1-SNAPSHOT'
sourceCompatibility = 1.8

repositories {
mavenCentral()
}

dependencies {
compile group: 'com.rabbitmq', name: 'amqp-client', version: '5.3.0'
testCompile group: 'junit', name: 'junit', version: '4.12'
}

rabbit-mq源码地址​github.com