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https://issues.apache.org/jira/browse/APEXCORE-291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15069036#comment-15069036
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ASF GitHub Bot commented on APEXCORE-291:
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Github user tweise commented on the pull request:
https://github.com/apache/incubator-apex-core/pull/190#issuecomment-166786401
The operator developer should not have to implement Serializable for this.
It's not needed for Partitioner and StatsListener. Have a look at
StatsListenerProxy how this can be handled.
> Provide a way for an operator to specify its metric aggregator instance
> -----------------------------------------------------------------------
>
> Key: APEXCORE-291
> URL: https://issues.apache.org/jira/browse/APEXCORE-291
> Project: Apache Apex Core
> Issue Type: Improvement
> Reporter: Chandni Singh
> Assignee: Chandni Singh
>
> Need a way to let an operator to provide its default metrics aggregator
> instance.
> If an operator class implements AutoMetric.Aggregator then use that logical
> instance of the operator class as the default metrics aggregator.
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