//存储未确认的消息标识tag
final SortedSet<Long> confirmSet = Collections.synchronizedNavigableSet(new TreeSet<Long>());
增加监听器
channel.addConfirmListener(new ConfirmListener() {
/*
* 消息确认返回成功
* l:如果是多条,这个就是最后一条消息的tag
* b:是否多条
* */
@Override
public void handleAck(long l, boolean b) throws IOException {
System.out.println("消息发送成功"+l+"是否多条"+b);
if(b){
confirmSet.headSet(l+1).clear();
}else{
confirmSet.remove(l);
}
}
/*消息确认返回失败*/
@Override
public void handleNack(long l, boolean b) throws IOException {
System.out.println("消息发送失败"+l+"是否多条"+b);
if(b){
confirmSet.headSet(l+1).clear();
}else{
confirmSet.remove(l);
}
}
});
String routingKey ="goods.delete";
for (int i = 0; i <10; i++) {
String message = "hello ps"+i;
long tag = channel.getNextPublishSeqNo();
channel.basicPublish(Exchange_NAME,routingKey,null,message.getBytes("utf-8"));
System.out.println(tag);
confirmSet.add(tag);
}
发送者
package com.aynu.bootamqp.service; import com.aynu.bootamqp.commons.utils.Amqp; import com.rabbitmq.client.Channel; import com.rabbitmq.client.ConfirmListener; import com.rabbitmq.client.Connection; import java.io.IOException; import java.util.Collections; import java.util.SortedSet; import java.util.TreeSet; import java.util.concurrent.TimeoutException; public class Send { private final static String Exchange_NAME ="hello"; public static void main(String[] args) throws IOException, TimeoutException, InterruptedException { Connection connection = Amqp.getConnection(); Channel channel = connection.createChannel(); //声明交换机 channel.exchangeDeclare(Exchange_NAME,"topic"); //在手动确认机制之前 //一次只发送一条消息,给不同的消费者 channel.basicQos(1); //将通道设置为comfirm模式 channel.confirmSelect(); //存储未确认的消息标识tag final SortedSet<Long> confirmSet = Collections.synchronizedNavigableSet(new TreeSet<Long>()); channel.addConfirmListener(new ConfirmListener() { /* * 消息确认返回成功 * l:如果是多条,这个就是最后一条消息的tag * b:是否多条 * */ @Override public void handleAck(long l, boolean b) throws IOException { System.out.println("消息发送成功"+l+"是否多条"+b); if(b){ confirmSet.headSet(l+1).clear(); }else{ confirmSet.remove(l); } } /*消息确认返回失败*/ @Override public void handleNack(long l, boolean b) throws IOException { System.out.println("消息发送失败"+l+"是否多条"+b); if(b){ confirmSet.headSet(l+1).clear(); }else{ confirmSet.remove(l); } } }); String routingKey ="goods.delete"; for (int i = 0; i <10; i++) { String message = "hello ps"+i; long tag = channel.getNextPublishSeqNo(); channel.basicPublish(Exchange_NAME,routingKey,null,message.getBytes("utf-8")); System.out.println(tag); confirmSet.add(tag); } channel.close(); connection.close(); } }
接受者
package com.aynu.bootamqp.service; import com.aynu.bootamqp.commons.utils.Amqp; import com.rabbitmq.client.*; import java.io.IOException; import java.util.concurrent.TimeoutException; @SuppressWarnings("all") public class Receive2 { private final static String QUEUE_NAME ="hello1"; private final static String Exchange_NAME ="hello"; public static void main(String[] args) throws IOException, TimeoutException { Connection connection = Amqp.getConnection(); Channel channel = connection.createChannel(); channel.queueDeclare(QUEUE_NAME,false,false,false,null); channel.queueBind(QUEUE_NAME,Exchange_NAME,"goods.#"); channel.basicQos(1); DefaultConsumer consumer = new DefaultConsumer(channel) { @Override public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException { super.handleDelivery(consumerTag, envelope, properties, body); String msg = new String(body,"utf-8"); System.out.println(msg); try { Thread.sleep(1000); } catch (InterruptedException e) { e.printStackTrace(); }finally { // 手动发送消息确认机制 channel.basicAck(envelope.getDeliveryTag(),false); } } }; boolean autoAck = false; channel.basicConsume(QUEUE_NAME,autoAck,consumer); } }