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From "Alexandre Normand (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AVRO-1268) Add java-class, java-key-class and java-element-class support for stringable types to SpecificData
Date Fri, 22 Mar 2013 18:23:16 GMT

    [ https://issues.apache.org/jira/browse/AVRO-1268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13611031#comment-13611031

Alexandre Normand commented on AVRO-1268:

Doug, would you like me to try and complete a fully working version of the parallel-tree solution?
I was going to drop it because of the complications with unions and the recursive schemas
issue but I might be able to fix it. Although I still think that combined with the slightly
worse performance compared to the Map-based solution makes this somewhat less appealing. 
> Add java-class, java-key-class and java-element-class support for stringable types to
> --------------------------------------------------------------------------------------------------
>                 Key: AVRO-1268
>                 URL: https://issues.apache.org/jira/browse/AVRO-1268
>             Project: Avro
>          Issue Type: Improvement
>          Components: java
>    Affects Versions: 1.7.4
>            Reporter: Alexandre Normand
>            Assignee: Alexandre Normand
>            Priority: Minor
>             Fix For: 1.7.5
>         Attachments: AVRO-1268-MapSolution.patch, AVRO-1268-needs-work.patch, AVRO-1268.patch,
AVRO-1268.patch, AVRO-1268-performance.patch, AVRO-1268.sh, GenericStringsPerf.patch, pseudo.patch,
> Stringable types are java classes that can be serialized through strings (which require
a single string constructor and a valid toString() implementation). ReflectData currently
has support from stringable types but it would be desirable to get this feature with SpecificData.

> The work involves changes to the SpecificCompiler (depends on {{@java-class}} support
in AVRO-1267) to generate the specific sources with the proper java type as well as moving
the ReflectDatumReader and ReflectDatumWriter to read the java-class/java-key-class and java-element-class

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