RabbitMQ 手动应答

src/main/java/io/jiulinxiri/rabbitmq/three/Task02.java

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+package io.jiulinxiri.rabbitmq.three;
+
+import com.rabbitmq.client.Channel;
+import io.jiulinxiri.rabbitmq.utils.RabbitMqUtils;
+
+import java.io.IOException;
+import java.util.Scanner;
+import java.util.concurrent.TimeoutException;
+
+public class Task02 {
+    public static final String ACK_QUEUE_NAME = "ack_queue";
+
+    public static void main(String[] args) throws IOException, TimeoutException {
+        Channel channel = RabbitMqUtils.getChannel();
+        channel.queueDeclare(ACK_QUEUE_NAME,false, false,false,null);
+        Scanner scanner = new Scanner(System.in);
+        while (scanner.hasNext()) {
+            String message = scanner.next();
+            channel.basicPublish("", ACK_QUEUE_NAME, null, message.getBytes());
+            System.out.println(message + " 消息发送完成！");
+        }
+    }
+}

src/main/java/io/jiulinxiri/rabbitmq/three/Worker03.java

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+package io.jiulinxiri.rabbitmq.three;
+
+import com.rabbitmq.client.CancelCallback;
+import com.rabbitmq.client.Channel;
+import com.rabbitmq.client.DeliverCallback;
+import io.jiulinxiri.rabbitmq.utils.RabbitMqUtils;
+import io.jiulinxiri.rabbitmq.utils.SleepUtils;
+
+import java.io.IOException;
+import java.util.concurrent.TimeoutException;
+
+public class Worker03 {
+    public static final String ACK_QUEUE_NAME = "ack_queue";
+
+
+    public static void main(String[] args) throws IOException, TimeoutException {
+        Channel channel = RabbitMqUtils.getChannel();
+        DeliverCallback deliverCallback = (coustomerTag, message) -> {
+            SleepUtils.sleep(1);
+            System.out.println("Worker03 接收到的消息: " + new String(message.getBody()));
+            //手动应答
+            channel.basicAck(message.getEnvelope().getDeliveryTag(), false);
+        };
+
+        CancelCallback cancelCallback = (coustomerTag) -> {
+            System.out.println("Worker03 消费中断");
+        };
+
+        System.out.println("Worker03  等待接收消息...");
+        boolean autoAck = false;
+        channel.basicConsume(ACK_QUEUE_NAME, autoAck, deliverCallback, cancelCallback);
+    }
+}

src/main/java/io/jiulinxiri/rabbitmq/three/Worker04.java

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+package io.jiulinxiri.rabbitmq.three;
+
+import com.rabbitmq.client.CancelCallback;
+import com.rabbitmq.client.Channel;
+import com.rabbitmq.client.DeliverCallback;
+import io.jiulinxiri.rabbitmq.utils.RabbitMqUtils;
+import io.jiulinxiri.rabbitmq.utils.SleepUtils;
+
+import java.io.IOException;
+import java.util.concurrent.TimeoutException;
+
+public class Worker04 {
+    public static final String ACK_QUEUE_NAME = "ack_queue";
+
+
+    public static void main(String[] args) throws IOException, TimeoutException {
+        Channel channel = RabbitMqUtils.getChannel();
+        DeliverCallback deliverCallback = (coustomerTag, message) -> {
+            SleepUtils.sleep(30);
+            System.out.println("Worker04 接收到的消息: " + new String(message.getBody()));
+            //手动应答
+            channel.basicAck(message.getEnvelope().getDeliveryTag(), false);
+        };
+
+        CancelCallback cancelCallback = (coustomerTag) -> {
+            System.out.println("Worker04 消费中断");
+        };
+
+        System.out.println("Worker04  等待接收消息...");
+        boolean autoAck = false;
+        channel.basicConsume(ACK_QUEUE_NAME, autoAck, deliverCallback, cancelCallback);
+    }
+}

src/main/java/io/jiulinxiri/rabbitmq/utils/SleepUtils.java

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+package io.jiulinxiri.rabbitmq.utils;
+
+public class SleepUtils {
+    public static void sleep(int second) {
+        try {
+            Thread.sleep(1000*second);
+        } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
+        }
+    }
+}