[GitHub] [rocketmq] lizhanhui commented on issue #3417: [RIP-25]Simplifying Producer and Consumer APIs

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

lizhanhui commented on issue #3417:
URL: https://github.com/apache/rocketmq/issues/3417#issuecomment-1178450974

   > This is a topic worth discussing.
   > 
   > > * Clients like `DefaultMQProuder`, `DefaultMQPushConsumer`, `DefaultLitePullConsumer` provide several constructors and setters, user may feel difficult to use them correctly.
   > 
   > For this, I think we can create all kinds of producers, consumers and admins through a single 'Client' instance.
   > 
   > > * `MQProducer` and `MQConsumer` extends `MQAdmin` which makes them provide too many methods that are not related to message sending and consuming.
   > 
   > > * There are about 20 methods for sending messages in `MQProducer,` some of which requires `timeout` parameter, and it is so rare to set timeout for every sending operation.
   > 
   > For these two, We could polish the interfaces in like 'MQProducer', or create a new one to provide all kinds of necessary operations. An instance of MQProducer can be returned by the `Client.newProducer()`,and user should not consider the implementation underlying, like it's an object of 'DefaultMQProuder' .
   
   To allow further configuration, how about `Client.newProducerBuilder().withXXX().withYYY().build()`


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