org.apache.hadoop.hbase.io.compress

Class Compression

java.lang.Object

org.apache.hadoop.hbase.io.compress.Compression

@InterfaceAudience.Private
public final class Compression
extends Object

Compression related stuff. Copied from hadoop-3315 tfile.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Compression.Algorithm Compression algorithms.

Field Summary

Fields

Modifier and Type	Field and Description
static String	BROTLI_CODEC_CLASS_DEFAULT
static String	BROTLI_CODEC_CLASS_KEY
static String	BZIP2_CODEC_CLASS_DEFAULT
static String	BZIP2_CODEC_CLASS_KEY
static String	GZ_CODEC_CLASS_DEFAULT
static String	GZ_CODEC_CLASS_KEY
static String	LZ4_CODEC_CLASS_DEFAULT
static String	LZ4_CODEC_CLASS_KEY
static String	LZMA_CODEC_CLASS_DEFAULT
static String	LZMA_CODEC_CLASS_KEY
static String	LZO_CODEC_CLASS_DEFAULT
static String	LZO_CODEC_CLASS_KEY
static String	SNAPPY_CODEC_CLASS_DEFAULT
static String	SNAPPY_CODEC_CLASS_KEY
static String	ZSTD_CODEC_CLASS_DEFAULT
static String	ZSTD_CODEC_CLASS_KEY

Method Summary

Modifier and Type	Method and Description
static Compression.Algorithm	getCompressionAlgorithmByName(String compressName)
static String[]	getSupportedAlgorithms() Get names of supported compression algorithms.
static void	main(String[] args)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LZO_CODEC_CLASS_KEY

public static final String LZO_CODEC_CLASS_KEY

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Constant Field Values

LZO_CODEC_CLASS_DEFAULT

public static final String LZO_CODEC_CLASS_DEFAULT

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Constant Field Values

GZ_CODEC_CLASS_KEY

public static final String GZ_CODEC_CLASS_KEY

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Constant Field Values

GZ_CODEC_CLASS_DEFAULT

public static final String GZ_CODEC_CLASS_DEFAULT

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Constant Field Values

SNAPPY_CODEC_CLASS_KEY

public static final String SNAPPY_CODEC_CLASS_KEY

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Constant Field Values

SNAPPY_CODEC_CLASS_DEFAULT

public static final String SNAPPY_CODEC_CLASS_DEFAULT

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Constant Field Values

LZ4_CODEC_CLASS_KEY

public static final String LZ4_CODEC_CLASS_KEY

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Constant Field Values

LZ4_CODEC_CLASS_DEFAULT

public static final String LZ4_CODEC_CLASS_DEFAULT

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Constant Field Values

ZSTD_CODEC_CLASS_KEY

public static final String ZSTD_CODEC_CLASS_KEY

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Constant Field Values

ZSTD_CODEC_CLASS_DEFAULT

public static final String ZSTD_CODEC_CLASS_DEFAULT

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Constant Field Values

BZIP2_CODEC_CLASS_KEY

public static final String BZIP2_CODEC_CLASS_KEY

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Constant Field Values

BZIP2_CODEC_CLASS_DEFAULT

public static final String BZIP2_CODEC_CLASS_DEFAULT

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Constant Field Values

LZMA_CODEC_CLASS_KEY

public static final String LZMA_CODEC_CLASS_KEY

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Constant Field Values

LZMA_CODEC_CLASS_DEFAULT

public static final String LZMA_CODEC_CLASS_DEFAULT

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Constant Field Values

BROTLI_CODEC_CLASS_KEY

public static final String BROTLI_CODEC_CLASS_KEY

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Constant Field Values

BROTLI_CODEC_CLASS_DEFAULT

public static final String BROTLI_CODEC_CLASS_DEFAULT

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Constant Field Values

Method Detail

getCompressionAlgorithmByName

public static Compression.Algorithm getCompressionAlgorithmByName(String compressName)

getSupportedAlgorithms

public static String[] getSupportedAlgorithms()

Get names of supported compression algorithms.

Returns:

Array of strings, each represents a supported compression algorithm. Currently, the following compression algorithms are supported.

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception