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http://issues.apache.org/jira/browse/HADOOP-310?page=comments#action_12417172 ]
Andrzej Bialecki commented on HADOOP-310:
------------------------------------------
Perhaps a more general constructor, similar to the ones used in many other
places, would be better:
/**
* Create a BytesWritable using a part of the byte array as the initial value.
*/
public BytesWritable(byte[] bytes, int offset, int length) {
....
}
This way it would satisfy your requirement, and perhaps help to avoid many
other cases of copying ...
> Additional constructor requested in BytesWritable
> -------------------------------------------------
>
> Key: HADOOP-310
> URL: http://issues.apache.org/jira/browse/HADOOP-310
> Project: Hadoop
> Type: Improvement
> Components: io
> Reporter: paul sutter
> Priority: Minor
>
> 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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