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From "Micah Whitacre (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CRUNCH-243) Support easily extensibility for custom reading of Avro Datum
Date Tue, 23 Jul 2013 18:28:49 GMT

     [ https://issues.apache.org/jira/browse/CRUNCH-243?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Micah Whitacre updated CRUNCH-243:
----------------------------------

    Attachment: CRUNCH-243_v2.patch

Change with the constructors expanded.
                
> Support easily extensibility for custom reading of Avro Datum
> -------------------------------------------------------------
>
>                 Key: CRUNCH-243
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-243
>             Project: Crunch
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Micah Whitacre
>            Assignee: Micah Whitacre
>            Priority: Minor
>         Attachments: CRUNCH-243.patch, CRUNCH-243_v2.patch
>
>
> Through some discussions on the Avro mailing lists[1], there are use cases that need
the ability to inject a custom SpecificDatumReader.  Crunch does not make it easy to inject
the custom reader as it is currently implemented causing consumers to copy three classes (e.g.
AvroFileSource, AvroFileSourceTarget, AvroFileReaderFactory) to gain this functionality. 
With a few minor changes to AvroFileSource and AvroFileReaderFactory, consumers can inject
their custom reader fairly easily.
> [1] - http://search-hadoop.com/m/98HA2DitiF/avro+enum+passivity&subj=Avro+enum+and+passivity+

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