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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15233) Bytes.toBytes() methods should allow arrays to be re-used
Date Tue, 09 Feb 2016 12:52:19 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15138901#comment-15138901
] 

Anoop Sam John commented on HBASE-15233:
----------------------------------------

ok. Pls go for it JMS.  If there are some areas in HBase code base itself to make use of this
API, it will be great to do that

> Bytes.toBytes() methods should allow arrays to be re-used 
> ----------------------------------------------------------
>
>                 Key: HBASE-15233
>                 URL: https://issues.apache.org/jira/browse/HBASE-15233
>             Project: HBase
>          Issue Type: Improvement
>          Components: API
>    Affects Versions: 1.1.3
>            Reporter: Jean-Marc Spaggiari
>            Assignee: Rachel Asher Silver
>            Priority: Minor
>              Labels: beginner
>
> Today we have this:
> {code}
>   public static byte[] toBytes(long val) {
>     byte [] b = new byte[8];
>     for (int i = 7; i > 0; i--) {
>       b[i] = (byte) val;
>       val >>>= 8;
>     }
>     b[0] = (byte) val;
>     return b;
>   }
> {code}
> might be nice to also have this:
> {code}
>   public static byte[] toBytes(long val, byte[] reuse) {
>     for (int i = 7; i > 0; i--) {
>       reuse[i] = (byte) val;
>       val >>>= 8;
>     }
>     reuse[0] = (byte) val;
>     return reuse;
>   }
> {code}
> Same for all the other Bytes.toBytes() methods.



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