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https://issues.apache.org/jira/browse/KAFKA-2077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benoy Antony updated KAFKA-2077:
--------------------------------
    Attachment: kafka-2077-001.patch

Attached patch adds a new new Parameter _topicClass_ . This will accept an 
implementation of _TopicPicker_ interface.

The _TopicPicker.getTopic_ will return a topic based on the current message. 

> Add ability to specify a TopicPicker class for KafkaLog4jApender
> ----------------------------------------------------------------
>
>                 Key: KAFKA-2077
>                 URL: https://issues.apache.org/jira/browse/KAFKA-2077
>             Project: Kafka
>          Issue Type: Improvement
>          Components: producer 
>            Reporter: Benoy Antony
>            Assignee: Jun Rao
>         Attachments: kafka-2077-001.patch
>
>
> KafkaLog4jAppender is the Log4j Appender to publish messages to Kafka. 

> Currently , a topic name has to be passed as a parameter. In some use cases, 
> it may be required to use a different topics for the same appender instance. 

> So it may be beneficial to enable KafkaLog4jAppender to accept TopicClass 
> which will provide a topic for a given message.



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