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https://issues.apache.org/jira/browse/SQOOP-1901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14257464#comment-14257464
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Veena Basavaraj commented on SQOOP-1901:
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Here are the details of the current patch
> Supporting DRY code in new IDF impementations
> ---------------------------------------------
>
> Key: SQOOP-1901
> URL: https://issues.apache.org/jira/browse/SQOOP-1901
> Project: Sqoop
> Issue Type: Sub-task
> Components: sqoop2-framework
> Reporter: Veena Basavaraj
> Assignee: Veena Basavaraj
> Fix For: 1.99.5
>
>
> As the title suggests, we want to encourage DRY code in the new IDF
> implementations.
> As the IDF api mandates CSV and object format for all its sub implementation,
> I propose we move the common functionality to the base IDF class so that JSON
> IDF or AvroIDF does not have to repeat this code.
> The only parts of the code that needs to be in subclasses is how then handle
> the conversion between the "T" ( generic parameter) and the csv/ object
> representations.
> I saw that http://ingest.tips/2014/12/11/sqoop-1-99-4-release/ mentions
> extensind from CSVIDF and this cannot technically work since we have the
> generic T that will be different for AvroIDF or JSON IDF
> Update:
> Also extending from CSVIDF seems a bit ilogical, since the IDF API says that
> it needs CSV and object Array, these functionality of converting between the
> two i.e text to object and object to text should be in base class.
>
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