[jira] [Commented] (APEXMALHAR-2530) Refactor AbstractAppDataSnapshotServer so that subclasses don't need schemas

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/APEXMALHAR-2530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16110349#comment-16110349 ] 

ASF GitHub Bot commented on APEXMALHAR-2530:
--------------------------------------------

davidyan74 opened a new pull request #658: APEXMALHAR-2530 Refactored AbstractAppDataSnapshotServer so that subc…
URL: https://github.com/apache/apex-malhar/pull/658
 
 
   …lasses don't need schemas
   
   @tweise Please take a look.
 
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> Refactor AbstractAppDataSnapshotServer so that subclasses don't need schemas
> ----------------------------------------------------------------------------
>
>                 Key: APEXMALHAR-2530
>                 URL: https://issues.apache.org/jira/browse/APEXMALHAR-2530
>             Project: Apache Apex Malhar
>          Issue Type: Improvement
>          Components: AppData
>            Reporter: David Yan
>            Assignee: David Yan
>
> Currently AbstractAppDataSnapshotServer requires the users of the operator to set up the schemas, query deserializer, result serializer, query processor, etc. A simple query processing operator should not need all that. Let's have a more abstract app data server that only requires an embeddable query input operator, which is necessary if the query needs to be processed immediately without delay, which can be significant if the DAG has significant latency.



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