[ http://issues.apache.org/jira/browse/HADOOP-670?page=all ]
Konstantin Shvachko updated HADOOP-670:
---------------------------------------
Attachment: Generics.patch
> Generic types for FSNamesystem
> ------------------------------
>
> Key: HADOOP-670
> URL: http://issues.apache.org/jira/browse/HADOOP-670
> Project: Hadoop
> Issue Type: Improvement
> Affects Versions: 0.7.2
> Reporter: Konstantin Shvachko
> Assigned To: Konstantin Shvachko
> Fix For: 0.8.0
>
> Attachments: Generics.patch
>
>
> I introduced generic types for FSNamesystem class.
> I tried to keep interfaces in declarations of the member as general as
> possible
> in order to have flexibility to change types of instances in the future.
> I tried to contain changes within one java file.
> I also replaced Vector types by ArrayList. Vectors are synchronized,
> which we don't need since we already have top level synchronization in
> FSNamesystem.
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