Thanks,I'm not sure I understand this, what I need is to have single a process 
subscribing multiple kafka topics, and have a switch clause for different 
topics in my SinkFunction, did you I need to change the way how the kafka 
producer to produce the message? Any pointer to code samples will be 
appreciated. Thanks AgainRichard


On Wednesday, July 5, 2017, 10:25:59 PM PDT, Tzu-Li (Gordon) Tai 
<tzuli...@apache.org> wrote:

#yiv1027114272 body{font-family:Helvetica, Arial;font-size:13px;}Hi Richard,
Producing to multiple topics is treated a bit differently in the Flink Kafka 
producer.You need to set a single default target topic, and in 
`KeyedSerializationSchema#getTargetTopic()` you can override the default topic 
with whatever is returned. The `getTargetTopic` method is invoked for each 
record.
Cheers,Gordon 
  

On 6 July 2017 at 9:09:29 AM, Richard Xin (richardxin...@yahoo.com) wrote:
 

when usingFlinkKafkaConsumer010 to subscribing multiple topics as 
List<String> topics =Arrays.asList("test1","test2");
DataStream<String> stream = env.addSource(new FlinkKafkaConsumer010<>(topics, 
new SimpleStringSchema(), properties));
How do I get topic names in mySinkFunction? i.e. stream.addSink()
Thanks,Richard

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