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Knut Anders Hatlen commented on DERBY-3935:
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By the way, would it make sense at some point to merge the PositionedStream interface with
Resetable? Or perhaps make PositionedStream extend Resetable? Resetable.resetStream() is just
a special case of PositionedStream.reposition(), and it seems like both PositionStoreStream
and LOBInputStream have methods that match the functionality defined by Resetable (PSS actually
implements Resetable).
> Introduce interface for a position aware stream
> -----------------------------------------------
>
> Key: DERBY-3935
> URL: https://issues.apache.org/jira/browse/DERBY-3935
> Project: Derby
> Issue Type: Sub-task
> Components: JDBC
> Affects Versions: 10.5.0.0
> Reporter: Kristian Waagan
> Assignee: Kristian Waagan
> Priority: Minor
> Attachments: derby-3935-1a-PositionedStream.diff
>
>
> Add an interface for streams that are aware of their position and that can reposition
itself on request.
> Initially there will be two such stream objects; PositionedStoreStream and LOBInputStream.
> The interface will be used to allow the Clob implementation (including UTF8Reader) to
handle the various internal Clob representations in a consistent manner when it comes to positioning
the underlying byte stream.
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