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Posted to common-issues@hadoop.apache.org by "Brock Noland (JIRA)" <ji...@apache.org> on 2011/06/19 18:37:47 UTC
[jira] [Updated] (HADOOP-310) Additional constructor requested in
BytesWritable
[ https://issues.apache.org/jira/browse/HADOOP-310?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Brock Noland updated HADOOP-310:
--------------------------------
Attachment: bytes-writable-zero-copy-interface-0.patch
I think the offset would be ideal, but the extra constructor and a set() method which does the same is a good incremental change. That patch is attached.
> Additional constructor requested in BytesWritable
> -------------------------------------------------
>
> Key: HADOOP-310
> URL: https://issues.apache.org/jira/browse/HADOOP-310
> Project: Hadoop Common
> Issue Type: Improvement
> Components: io
> Reporter: p sutter
> Assignee: Owen O'Malley
> Priority: Minor
> Attachments: bytes-writable-zero-copy-interface-0.patch
>
>
> It would be grand if BytesWritable.java had an additional constructor as below. This allows me to use the BytesWritable class without doing a buffer copy, since we have a less-than-fully-utilized byte array holding our key.
> Thanks!
>
> /**
> * Create a BytesWritable using the byte array as the initial value.
> * @param bytes This array becomes the backing storage for the object.
> */
> public BytesWritable(byte[] bytes, int size) {
> this.bytes = bytes;
> this.size = size;
> }
>
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