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Posted to common-issues@hadoop.apache.org by "Arun C Murthy (JIRA)" <ji...@apache.org> on 2012/10/11 19:45:52 UTC
[jira] [Closed] (HADOOP-8135) Add ByteBufferReadable interface to
FSDataInputStream
[ https://issues.apache.org/jira/browse/HADOOP-8135?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Arun C Murthy closed HADOOP-8135.
---------------------------------
> Add ByteBufferReadable interface to FSDataInputStream
> -----------------------------------------------------
>
> Key: HADOOP-8135
> URL: https://issues.apache.org/jira/browse/HADOOP-8135
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs
> Reporter: Henry Robinson
> Assignee: Henry Robinson
> Fix For: 2.0.2-alpha
>
> Attachments: HADOOP-8135.2.patch, HADOOP-8135.patch
>
>
> To prepare for HDFS-2834, it's useful to add an interface to FSDataInputStream (and others inside hdfs) that adds a read(ByteBuffer...) method as follows:
> {code}
> /**
> * Reads up to buf.remaining() bytes into buf. Callers should use
> * buf.limit(..) to control the size of the desired read.
> *
> * After the call, buf.position() should be unchanged, and therefore any data
> * can be immediately read from buf.
> *
> * @param buf
> * @return - the number of bytes available to read from buf
> * @throws IOException
> */
> public int read(ByteBuffer buf) throws IOException;
> {code}
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