What if you wrote a CompressionOutputStream class that wraps around the
existing ones and outputs a hash per <n> bytes and a CompressionInputStream
that checks them? ...and a Codec that wraps your compressors around arbitrary
existing codecs.
Sounds like a bunch of work, and I'm not sure where you would store the hashes,
but it would get the data into your clutches the instant it's available.
- Tim.
On Jul 29, 2012, at 7:41 AM, "Yaron Gonen"
<yaron.go...@gmail.com<mailto:yaron.go...@gmail.com>> wrote:
Hi,
I've created a SequeceFile.Writer with block-level compression.
I'd like to create a SHA1 hash for each block written. How do I do that? I
didn't see any way to take the compression under my control in order to know
when a block is over.
Thanks,
Yaron
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