[jira] [Updated] (ACCUMULO-2817) Add offset and limit arguments to byte array Encoder.decode method

["Matt Dailey (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ACCUMULO-2817?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Dailey updated ACCUMULO-2817:
----------------------------------
    Affects Version/s: 1.7.0
               Status: Patch Available  (was: Open)

Rebased against origin/master at commit 990dafb.  {{mvn clean test}} passed including new unit tests that are part of the patch.

Any feedback welcome!

> Add offset and limit arguments to byte array Encoder.decode method
> ------------------------------------------------------------------
>
>                 Key: ACCUMULO-2817
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2817
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: client
>    Affects Versions: 1.7.0
>            Reporter: Josh Elser
>              Labels: newbie
>             Fix For: 1.7.0
>
>         Attachments: ACCUMULO-2817.patch
>
>
> Similar to ACCUMULO-2445, but presently the encoder only works on complete byte arrays. This forces an extra copy of the data when it is located in an array that contains other information (e.g. a composite key).
> It would be nice to be able to provide offset and length arguments to {{Encoder.decode}} so that users can avoid the additional arraycopy.
> Changing to a ByteBuffer instead of byte array argument would also be acceptable, but more churn on the API that, unless it's happening globally, I would rather avoid. It would also incur the penalty for that extra Object, which while minimal alone, could be significant if decoding every value in a table, for example.



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