[jira] Commented: (DIRMINA-165) Easy and performant copy of the ByteBuffer

["Trustin Lee (JIRA)" <ji...@apache.org>]

    [ http://issues.apache.org/jira/browse/DIRMINA-165?page=comments#action_12370048 ] 

Trustin Lee commented on DIRMINA-165:
-------------------------------------

Another solution:

Wrap underlying NIO buffer with UnexpandableByteBuffer (MINA buffer).  The eventual MINA buffer we use wraps UnexpandableByteBuffer.  In other words, we can solve this problem by maintaining reference count in two-level.


> Easy and performant copy of the ByteBuffer
> ------------------------------------------
>
>          Key: DIRMINA-165
>          URL: http://issues.apache.org/jira/browse/DIRMINA-165
>      Project: Directory MINA
>         Type: Improvement
>     Versions: 0.9, 0.8.2, 0.8.1, 0.8
>     Reporter: Federico Bonelli
>     Priority: Minor
>      Fix For: 0.9.3
>  Attachments: ByteBuffer.java, HubServer_broadCastTCPmessages.zip
>
> Until now if you wish to broadcast a message you must create by your own the bytebuffer copies, it would be better to provide a ByteBuffer.asReadOnly() method that create a copy that share the data with the original ByteBuffer

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