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https://issues.apache.org/jira/browse/MINIFICPP-1955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17613500#comment-17613500
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Marton Szasz commented on MINIFICPP-1955:
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Not all streams are able to seek. Some can only seek forward, some only
backward. Some are even random access, like BufferStream.
I believe we should drop the class hierarchy in favor of a concept hierarchy,
where we specify requirements for each use case, and streams may implement one
or more of them. ForwardSeekable and Stream can be new concepts. We can write
type erasure wrapper types for the use cases where dynamic polymorphism is
required, or it's not desirable to move the code to the headers.
> Revisit Stream::seek
> --------------------
>
> Key: MINIFICPP-1955
> URL: https://issues.apache.org/jira/browse/MINIFICPP-1955
> Project: Apache NiFi MiNiFi C++
> Issue Type: Bug
> Reporter: Adam Debreceni
> Priority: Major
>
> Currently Stream::seek aims to set both the read and write offsets into the
> stream, we should talk this through, possibly mimic seekg/seekp (also
> BufferStream::seek is noop when writing)
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