org.apache.paimon.compression

Interface BlockDecompressor

All Known Implementing Classes:

AirBlockDecompressor, Lz4BlockDecompressor, ZstdBlockDecompressor

public interface BlockDecompressor

A decompressor which decompresses a block each time.

Method Summary

Modifier and Type	Method and Description
int	decompress(byte[] src, int srcOff, int srcLen, byte[] dst, int dstOff) Decompress source data read from src and write the decompressed data to dst.

Method Detail

decompress

int decompress(byte[] src,
               int srcOff,
               int srcLen,
               byte[] dst,
               int dstOff)
        throws BufferDecompressionException

Decompress source data read from src and write the decompressed data to dst.

Parameters:

src - Compressed data to read from

srcOff - The start offset of compressed data

srcLen - The length of data which want to be decompressed

dst - The target to write decompressed data

dstOff - The start offset to write the decompressed data

Returns:

Length of decompressed data

Throws:

BufferDecompressionException - if exception thrown when decompressing