怎么进行springbootrabbitMQRPC实现
今天就跟大家聊聊有关怎么进行spring boot rabbitMQ RPC实现,可能很多人都不太了解,为了让大家更加了解,小编给大家总结了以下内容,希望大家根据这篇文章可以有所收获。
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环境配置
package com.example.demo; import org.springframework.amqp.core.Binding; import org.springframework.amqp.core.BindingBuilder; import org.springframework.amqp.core.DirectExchange; import org.springframework.amqp.core.Queue; import org.springframework.amqp.rabbit.annotation.EnableRabbit; import org.springframework.amqp.rabbit.connection.ConnectionFactory; import org.springframework.amqp.rabbit.core.RabbitTemplate; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.beans.factory.config.ConfigurableBeanFactory; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Scope; @Configuration @EnableRabbit public class RabbitMQConfigurer { @Autowired private ConnectionFactory connectionFactory; @Bean @Scope(ConfigurableBeanFactory.SCOPE_PROTOTYPE) public RabbitTemplate rabbitTemplate() { //必须是prototype类型 //Reply received after timeout RabbitTemplate rabbitTemplate = new RabbitTemplate(this.connectionFactory); rabbitTemplate.setReceiveTimeout(9000); return rabbitTemplate; } @Bean @Qualifier("rpcTestExchange") public DirectExchange rpcTestExchange() { return new DirectExchange("rpcTest"); } @Bean public Queue rpcTestQueue() { return new Queue("rpcTestQueue"); } @Bean public Binding rpcTestBind() { return BindingBuilder.bind(rpcTestQueue()).to(rpcTestExchange()).with("addUser"); } }
server 端
package com.example.demo; import com.rabbitmq.client.Channel; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.amqp.rabbit.annotation.RabbitHandler; import org.springframework.amqp.rabbit.annotation.RabbitListener; import org.springframework.amqp.rabbit.core.RabbitTemplate; import org.springframework.amqp.support.AmqpHeaders; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.messaging.handler.annotation.Header; import org.springframework.messaging.handler.annotation.Payload; import org.springframework.stereotype.Component; @Component @RabbitListener(queues = "rpcTestQueue") public class UserServer { private static final Logger LOGGER = LoggerFactory.getLogger(UserServer.class); private final RabbitTemplate rabbitTemplate; @Autowired public UserServer(RabbitTemplate rabbitTemplate) { this.rabbitTemplate = rabbitTemplate; } @RabbitHandler public void process(@Payload String payload, Channel channel, @Header(AmqpHeaders.REPLY_TO) String replyTo, @Header(AmqpHeaders.CORRELATION_ID) String correlationId) throws Exception { LOGGER.info("====== server receive data 【{}】 ====== ", payload); this.rabbitTemplate.convertAndSend(replyTo, "then " + payload + " is create", message -> { message.getMessageProperties().setCorrelationId(correlationId); return message; }); LOGGER.info("====== server response queue 【{}】 ======", replyTo); } }
client 端
package com.example.demo; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.amqp.rabbit.core.RabbitTemplate; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component; import java.util.Arrays; @Component public class Client { private static final Logger LOGGER = LoggerFactory.getLogger(Client.class); private final RabbitTemplate rabbitTemplate; @Autowired public Client(RabbitTemplate rabbitTemplate) { this.rabbitTemplate = rabbitTemplate; } public void doRequest() { for (String name : Arrays.asList("张三", "李四", "王五")) { LOGGER.info("---- client send user name is 【{}】", name); Object response = this.rabbitTemplate.convertSendAndReceive("rpcTest", "addUser", name); LOGGER.info("---- and response is : {} -------", response); } } }
客户端:
在请求发送消息之前,创建一个【匿名队列】绑定至默认的交换机(即 /)。将队【匿名队列】名称放在 reply_to 中与消息一起发送。
服务端:
处理理消息后,将应答消息发送至默认交换机即(/)。
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