Update BGZF block decode logic and refactor BGZFSplitGuesser on BaseSplitGuesser #179
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…plitGuesser Stems out of work done in HadoopGenomics#142 and HadoopGenomics#149. Refactors BGZFSplitGuesser to use the logic in the BaseSplitGuesser class. To do this, we need to make BaseSplitGuesser public. Additionally, we replace the logic that is used in BaseSplitGuesser to identify the start of a BGZF block with logic that doesn't require copying bytes from the input stream to a buffer. This improves the performance of identifying the start of a BGZF block; for whatever reason, that copy to the buffer/methods on the buffer are expensive.
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Stems out of work done in #142 and #149. Refactors BGZFSplitGuesser to use the logic in the BaseSplitGuesser class. To do this, we need to make BaseSplitGuesser public. Additionally, we replace the logic that is used in BaseSplitGuesser to identify the start of a BGZF block with logic that doesn't require copying bytes from the input stream to a buffer. This improves the performance of identifying the start of a BGZF block; for whatever reason, that copy to the buffer/methods on the buffer are expensive.
This needs some code style TLC and I'll be back with performance benchmarks.