PropCtxType] = string(primitive.FailedReturn) } return e }) return container.ConsumeResult, err } } consumeInner方法会触发f.(*PushConsumerCallback) 小结 pushConsumer是对pull模式的封装,拉到消息之后若consumeOrderly则执行consumeMessageOrderly,否则执行的是consumeMessageCurrently,他们内部调用了consumeInner,...
之后执行pc.client.PullMessage获取result;对于result.Status为primitive.PullFound执行pc.processPullResult、pq.putMessage提交到processQueue;pc.submitToConsume(request.pq, request.mq)对于p.consumeOrderly执行的是p.consumeMessageOrderly,否则执行的是p.consumeMessageCurrently,他们都会执行pc.consumeInner...
之后执行pc.client.PullMessage获取result;对于result.Status为primitive.PullFound执行pc.processPullResult、pq.putMessage提交到processQueue;pc.submitToConsume(request.pq, request.mq)对于p.consumeOrderly执行的是p.consumeMessageOrderly,否则执行的是p.consumeMessageCurrently,他们都会执行pc.consumeInner...
PROP_CONSUME_ORDERLY, String.valueOf(this.consumeOrderly)); prop.put(ConsumerRunningInfo.PROP_THREADPOOL_CORE_SIZE, String.valueOf(this.consumeMessageService.getCorePoolSize())); prop.put(ConsumerRunningInfo.PROP_CONSUMER_START_TIMESTAMP, String.valueOf(this.consumerStartTimestamp)); info.set...
推模式:Broker收到消息后,主动推送到消费者上。实现形式是:消费端注册一个监听器MessageListenerConcurrently,监听着broker上的消息,如果broker上有新消息,则触发监听器MessageListenerConcurrently。broker会自动往监听器中的ConsumeMessage()方法中推送消息 consumer.registerMessageListener(new MessageListenerConcurrently() {...
}returnConsumeOrderlyStatus.SUCCESS; } }); consumer.start(); System.out.println("开始处理消息"); } } 模式五:延时消息 消息发送到 Rocketmq 服务器后, 延迟一定时间再向消费者进行投递。 延时消息的使用场景: 比如电商里,提交了一个订单就可以发送一个延时消息,1h后去检查这个订单的状态,如果还是未付款就...
consumeMessageOrderly( 3, // 一次最多消费3条(最多可设置为16条)。 3 // 长轮询时间3秒(最多可设置为30秒)。 ); if (res.code == 200) { // 消息消费处理逻辑。 console.log("Consume Messages, requestId:%s", res.requestId); const handles = res.body.m...
@Override public ConsumerRunningInfo consumerRunningInfo() { ConsumerRunningInfo info = new ConsumerRunningInfo(); Properties prop = MixAll.object2Properties(this.defaultMQPushConsumer); prop.put(ConsumerRunningInfo.PROP_CONSUME_ORDERLY, String.valueOf(this.consumeOrderly)); prop.put(ConsumerRunningInfo...
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pushConsumer定义了queueFlowControlTimes、queueMaxSpanFlowControlTimes、consumeFunc、submitToConsume、subscribedTopic、interceptor、queueLock、done...