Top Description Constructors Methods
org.h2.compress

public Class CompressNo

extends Object
implements Compressor
Class Inheritance
All Implemented Interfaces
org.h2.compress.Compressor
This class implements a data compression algorithm that does in fact not compress. This is useful if the data can not be compressed because it is encrypted, already compressed, or random.

Constructor Summary

AccessConstructor and Description
public
CompressNo()

Method Summary

Modifier and TypeMethod and Description
public int
compress(byte[]
the input data
in, int
the offset at the input array
inPos, int
the number of bytes to compress
inLen, byte[]
the output area
out, int
the offset at the output array
outPos)

Implements org.h2.compress.Compressor.compress.

Compress a number of bytes.

public void
expand(byte[]
the compressed data
in, int
the offset at the input array
inPos, int
the number of bytes to read
inLen, byte[]
the output area
out, int
the offset at the output array
outPos, int
the size of the uncompressed data
outLen)

Implements org.h2.compress.Compressor.expand.

Expand a number of compressed bytes.

public int
getAlgorithm()

Implements org.h2.compress.Compressor.getAlgorithm.

Get the compression algorithm type.

public void
setOptions(String
the options
options)

Implements org.h2.compress.Compressor.setOptions.

Set the compression options.

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Constructor Detail

CompressNoback to summary
public CompressNo()

Method Detail

compressback to summary
public int compress(byte[] in, int inPos, int inLen, byte[] out, int outPos)

Implements org.h2.compress.Compressor.compress.

Doc from org.h2.compress.Compressor.compress.

Compress a number of bytes.

Parameters
in:byte[]

the input data

inPos:int

the offset at the input array

inLen:int

the number of bytes to compress

out:byte[]

the output area

outPos:int

the offset at the output array

Returns:int

the end position

Annotations
@Override
expandback to summary
public void expand(byte[] in, int inPos, int inLen, byte[] out, int outPos, int outLen)

Implements org.h2.compress.Compressor.expand.

Doc from org.h2.compress.Compressor.expand.

Expand a number of compressed bytes.

Parameters
in:byte[]

the compressed data

inPos:int

the offset at the input array

inLen:int

the number of bytes to read

out:byte[]

the output area

outPos:int

the offset at the output array

outLen:int

the size of the uncompressed data

Annotations
@Override
getAlgorithmback to summary
public int getAlgorithm()

Implements org.h2.compress.Compressor.getAlgorithm.

Doc from org.h2.compress.Compressor.getAlgorithm.

Get the compression algorithm type.

Returns:int

the type

Annotations
@Override
setOptionsback to summary
public void setOptions(String options)

Implements org.h2.compress.Compressor.setOptions.

Doc from org.h2.compress.Compressor.setOptions.

Set the compression options. This may include settings for higher performance but less compression.

Parameters
options:String

the options

Annotations
@Override