move intblock/sep codecs into test
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Key: LUCENE-2586
URL: https://issues.apache.org/jira/browse/LUCENE-2586
Project: Lucene - Java
Issue Type: Improvement
Affects Versions: 4.0
Reporter: Michael McCandless
Assignee: Michael McCandless
Fix For: 4.0
The intblock and sep codecs in core exist to make it easy for people to try
different low-level algos for encoding ints.
Sep breaks docs, freqs, pos, skip data, payloads into 5 separate files (vs 2
files that standard codec uses).
Intblock further enables the docs, freqs, pos files to encode fixed-sized
blocks of ints at a time.
So an app can easily "subclass" these codecs, using their own int encoder.
But these codecs are now concrete, and they use dummy low-level block int
encoder (eg encoding 128 ints as separate vints).
I'd like to change these to be abstract, and move these dummy codecs into test.
The tests would still test these dummy codecs, by rotating them in randomly for
all tests.
I'd also like to rename IntBlock -> FixedIntBlock, because I'm trying to get a
VariableIntBlock working well (for int encoders like Simple9, Simple16, whose
block size varies depending on the particular values).
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