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https://issues.apache.org/jira/browse/HBASE-15879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15334718#comment-15334718
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Enis Soztutar commented on HBASE-15879:
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Can we follow the ByteBuffer-like mechanism for optional interfaces? For
example {{ByteBuffer.hasArray()}} and {{ByteBuffer.array()}}. Seeing an
interface called {{Key}}, it is not clear to me what is the contract. Having a
concept for "cell having backed by byte-array" should not have a name "Key"
IMO.
> Introduce Key interface
> -----------------------
>
> Key: HBASE-15879
> URL: https://issues.apache.org/jira/browse/HBASE-15879
> Project: HBase
> Issue Type: Improvement
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Attachments: HBASE-15879.patch, HBASE-15879_1.patch
>
>
> Introduce an interface called Key and allow Cell implementations to implement
> this Key interface for cases like KeyValue, OffheapKeyValue and DBE cells
> (Except prefix tree) so that we can avoid copies when we deal with only Cells
> in case of block index creations (like ROOT, Bloom etc). Helps in reduction
> of garbage also.
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