[GitHub] [rocketmq-spring] wz2cool edited a comment on issue #88: Consumer batch messages API.

[GitBox <gi...@apache.org>]

wz2cool edited a comment on issue #88:
URL: https://github.com/apache/rocketmq-spring/issues/88#issuecomment-740458757


   Currently, I found a workaround to get batch messages. But we still perfer batch listener
    
   ```@RocketMQMessageListener(topic = "demo_product", consumerGroup = "demo_batch_product_consumerGroup", consumeMode = ConsumeMode.ORDERLY)
   public class ProductBatchConsumer implements RocketMQListener<String>, RocketMQPushConsumerLifecycleListener {
   
       private final Logger logger = LoggerFactory.getLogger(this.getClass());
   
       @Override
       public void onMessage(String message) {
           // do noting, have to implement RocketMQListener or throw error
       }
   
       private AtomicInteger atomicInteger = new AtomicInteger();
   
       @Override
       public void prepareStart(DefaultMQPushConsumer consumer) {
           consumer.setPullInterval(1000);
           consumer.setConsumeThreadMin(1);
           consumer.setConsumeThreadMax(1);
           consumer.setConsumeMessageBatchMaxSize(1000);
           consumer.setPullBatchSize(100);
           consumer.registerMessageListener((MessageListenerConcurrently) (msgs, context) -> {
               System.out.println("batchSize: " + msgs.size());
               int result = atomicInteger.addAndGet(msgs.size());
               System.out.println("totalSize: " + result);
               return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
           });
       }
   }```


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