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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] Commented: (NUTCH-811) Develop an ORM framework
Date Tue, 13 Apr 2010 18:44:55 GMT

    [ https://issues.apache.org/jira/browse/NUTCH-811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12856546#action_12856546
] 

Enis Soztutar commented on NUTCH-811:
-------------------------------------

Actually, we plan to develop the code for this layer in another project because, 
 - ORM layer is orthogonal to Nutch code, so it does not belong there
 - Extracting the code will be much harder later
 - If developed well, this code will be useful to other projects (interesting is that there
is no API to support both HBase and Cassandra)
 - Code will be much more clean 
 - Nutch can use the artifacts from this project

Nevertheless, we plan to piggyback on the Nutch community to support the initial development,
review and exposure. I will update this issue as the code develops, and will kindly ask for
reviews. In the long term, we can move the project to Apache Sandbox, or as a Hadoop/Nutch
sub project (once Nutch becomes TLP). 

A design document and initial code will be available shortly. 

> Develop an ORM framework 
> -------------------------
>
>                 Key: NUTCH-811
>                 URL: https://issues.apache.org/jira/browse/NUTCH-811
>             Project: Nutch
>          Issue Type: New Feature
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>             Fix For: 2.0
>
>
> By Nutch-808, it is clear that we need an ORM layer on top of the datastore, so that
different backends can be used to store data. 
> This issue will track the development of the ORM layer. Initially full support for HBase
is planned, with RDBM, Hadoop MapFile and Cassandra support scheduled for later. 

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