sviolet.slate.common.helper.rocketmq.consumer

注释类型 RocketMqCustomConsumer

@Target(value=METHOD)
 @Retention(value=RUNTIME)
 @Documented
public @interface RocketMqCustomConsumer

RocketMQ 将自定义消费者绑定到指定方法

注意!!! 消费者必须保证幂等性! 任何一条消息都有可能被重复消费!

https://github.com/shepherdviolet/slate/blob/master/docs/rocketmq/guide.md

     @Bean(name = "consumerBeanName", destroyMethod = "shutdown")
     public DefaultMQPushConsumer customConsumer() throws MQClientException {
         DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("consumer-custom");
         consumer.setNamesrvAddr(nameServer);
         consumer.subscribe("custom-topic", "*");
         //注意!!! consumer不要启动, 也不要绑定listener, 因为这些操作会在绑定方法时自动进行
         return consumer;
     }
 

     @RocketMqCustomConsumer(
             consumerBeanName = "consumerBeanName",
             isOrdered = false
     )
     public boolean slateCustomConsumerTest(MessageExt message) {
         logger.info("Received String: {}", message);
         return true;
     }
 

必需元素概要

所需元素

限定符和类型	必需的元素和说明
java.lang.String	consumerBeanName DefaultMQPushConsumer Bean Name
boolean	isOrdered true 顺序消费 false 并发消费

可选元素概要

可选元素

限定符和类型	可选元素和说明
java.lang.String	charset 字符集, 默认UTF-8
boolean	reconsumeWhenException true 抛出异常时重新消费消息(RECONSUME_LATER), 默认false

元素详细资料

consumerBeanName

public abstract java.lang.String consumerBeanName

DefaultMQPushConsumer Bean Name

isOrdered

public abstract boolean isOrdered

true 顺序消费 false 并发消费

reconsumeWhenException

public abstract boolean reconsumeWhenException

true 抛出异常时重新消费消息(RECONSUME_LATER), 默认false

默认值:

false

charset

public abstract java.lang.String charset

字符集, 默认UTF-8

默认值:

""