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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6223) New improved FileSystem interface for those implementing new files systems.
Date Tue, 13 Oct 2009 22:33:31 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12765285#action_12765285

Suresh Srinivas commented on HADOOP-6223:

# For all the new classes added, need to add Interface classification, audience and stability.
# AbstractFileSystem.getMyUri() - remove this and use getUri()
# AbstractFileSystem should be InterfaceAudience.Public right instead of Private?

This goes only into trunk right?

# AbstractFileSystem.java - class comment "interface to for implementors" to "interface for
# AbstractFileSystem.java - spell check words, move member variables to the top of the class
# AbstractFileSystem.java - format method comments no to include extra indentation.
# DelegateToFileSystem - add comments to describe the class

> New improved FileSystem interface for those implementing new files systems.
> ---------------------------------------------------------------------------
>                 Key: HADOOP-6223
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6223
>             Project: Hadoop Common
>          Issue Type: Sub-task
>            Reporter: Sanjay Radia
>            Assignee: Sanjay Radia
>         Attachments: AbstractFileSystem.java, afs1.patch, AFS10.patch, AFS11.patch, AFS4.patch,
Hdfs.java, Hdfs.java
> The FileContext API (HADOOP-4952) provides an improved interface for the application
> This lets us simplify the FileSystem API since it will no longer need to deal with notions
of default filesystem [ / ],  wd, and config
> defaults for blocksize, replication factor etc. Further it will not need the many overloaded
methods for create() and open() since
> the FileContext API provides that convenience.
> The FileSystem API can be simplified and can now be restricted to those implementing
new file systems.
> This jira proposes that we create new file system API,  and deprecate FileSystem API
after a few releases.

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