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https://issues.apache.org/jira/browse/HBASE-7806?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell resolved HBASE-7806.
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Resolution: Implemented
Mostly implemented in subtasks; some subtasks abandoned. Marking as Implemented.
> Isolate the FileSystem calls
> ----------------------------
>
> Key: HBASE-7806
> URL: https://issues.apache.org/jira/browse/HBASE-7806
> Project: HBase
> Issue Type: Task
> Components: Filesystem Integration, regionserver
> Affects Versions: 0.95.2
> Reporter: Matteo Bertozzi
> Priority: Minor
> Attachments: HBASE-7806.pdf
>
>
> Motivations:
> * No way to change the fs layout without touching all the code (and breaking
> stuff)
> * Each test create is own mocked fs layout: mkdir(region), mkdir(new
> Path(region, family))
> * new Path(table, region, family, hfile) is everywhere
> * DIR_NAME constants are not in a single place
> * lots of code does a the same for (region.listStatus()) for
> (family.listStatus()) ...
> Goals:
> * Central point for all the fs operations
> ** Make easier the file creation
> ** Make easier the store files retrival (with proper reference, link
> handling)
> * Removing all the new Path() from the code
> * Removing all the fs.listStatus() from the code
> * Cleanup the tests to use the new classes of creating mocks object
> * Reduce the code (in theory there should be less line than before once this
> refactor is complete)
> Since the fs operations are all over the code, the refactor must be gradual,
> and step by step limiting the internal fs layout visibility.
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