OuYang Liang created STORM-2880:
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             Summary: Minor optimisation about kafka spout
                 Key: STORM-2880
                 URL: https://issues.apache.org/jira/browse/STORM-2880
             Project: Apache Storm
          Issue Type: Improvement
          Components: storm-kafka-client
    Affects Versions: 2.0.0
            Reporter: OuYang Liang
            Assignee: OuYang Liang
            Priority: Minor
             Fix For: 2.0.0
         Attachments: wx20180103-165...@2x.png

Based on the single responsibility principle, method isAtLeastOnceProcessing() 
should reside in KafkaSpoutConfig rather than KafkaSpout. This patch removes 
the dependency of KafkaSpoutConfig.ProcessingGuarantee from KafkaSpout.



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