Jim Kellerman (JIRA) wrote:
>>> New class MapWritable replaces KeyedData and
>>> KeyedDataArrayWritable
>> There is already a class with this name in Nutch
>> (org.apache.nutch.crawl.MapWritable), which serves basically the
>> same purpose, only it's able to hold instances of different classes
>> (both keys and values), and (de)serialize them efficiently. Is
>> there any chance to merge these two implementations?
>
> Absolutely. When we developed the version for HBase we were unaware
> of the Nutch class. When I asked Doug Cutting if he thought our
> MapWritable would be useful in Hadoop, he pointed me to the Nutch
> class and also suggested using RefllectionUtils, so that, indeed, is
> the plan.
Great! I'm pretty familiar with the implementation of this class, if you
encounter any issues during the integration, feel free to ask me.
--
Best regards,
Andrzej Bialecki <><
___. ___ ___ ___ _ _ __________________________________
[__ || __|__/|__||\/| Information Retrieval, Semantic Web
___|||__|| \| || | Embedded Unix, System Integration
http://www.sigram.com Contact: info at sigram dot com
|