| org.h2.compress.Compressor
All known Subclasses: org.h2.compress.CompressDeflate, org.h2.compress.CompressLZF, org.h2.compress.CompressNo,
| Compressor | | public interface Compressor (Code) | | Each data compression algorithm must implement this interface.
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| Field Summary | |
| int | DEFLATE
The DEFLATE compression algorithm is used. | | int | LZF
| | int | NO
No compression is used. |
| Method Summary | |
| int | compress(byte[] in, int inLen, byte[] out, int outPos)
Compress a number of bytes. | | void | expand(byte[] in, int inPos, int inLen, byte[] out, int outPos, int outLen)
Expand a number of compressed bytes. | | int | getAlgorithm()
Get the compression algorithm type. | | void | setOptions(String options)
Set the compression options. |
| DEFLATE | | int DEFLATE(Code) | | The DEFLATE compression algorithm is used.
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| LZF | | int LZF(Code) | | The LZF compression algorithm is used
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| NO | | int NO(Code) | | No compression is used.
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| compress | | int compress(byte[] in, int inLen, byte[] out, int outPos)(Code) | | Compress a number of bytes.
Parameters:
in - the input data
Parameters:
inLen - the number of bytes to compress
Parameters:
out - the output area
Parameters:
outPos - the offset at the output array the size of the compressed data |
| expand | | void expand(byte[] in, int inPos, int inLen, byte[] out, int outPos, int outLen) throws SQLException(Code) | | Expand a number of compressed bytes.
Parameters:
in - the compressed data
Parameters:
inPos - the offset at the input array
Parameters:
inLen - the number of bytes to read
Parameters:
out - the output area
Parameters:
outPos - the offset at the output array
Parameters:
outLen - the size of the uncompressed data |
| getAlgorithm | | int getAlgorithm()(Code) | | Get the compression algorithm type.
the type |
| setOptions | | void setOptions(String options) throws SQLException(Code) | | Set the compression options. This may include settings for
higher performance but less compression.
Parameters:
options - the options |
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