org.apache.flink.runtime.io.compression

Class Lz4BlockCompressionFactory

java.lang.Object

org.apache.flink.runtime.io.compression.Lz4BlockCompressionFactory

All Implemented Interfaces:

BlockCompressionFactory

public class Lz4BlockCompressionFactory
extends Object
implements BlockCompressionFactory

Implementation of BlockCompressionFactory for Lz4 codec.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.runtime.io.compression.BlockCompressionFactory

BlockCompressionFactory.CompressionFactoryName

Field Summary

Fields

Modifier and Type	Field and Description
static int	HEADER_LENGTH We put two integers before each compressed block, the first integer represents the compressed length of the block, and the second one represents the original length of the block.

Constructor Summary

Constructors

Constructor and Description
Lz4BlockCompressionFactory()

Method Summary

Modifier and Type	Method and Description
BlockCompressor	getCompressor()
BlockDecompressor	getDecompressor()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.runtime.io.compression.BlockCompressionFactory

createBlockCompressionFactory

Field Detail

HEADER_LENGTH

public static final int HEADER_LENGTH

We put two integers before each compressed block, the first integer represents the compressed length of the block, and the second one represents the original length of the block.

See Also:

Constant Field Values

Constructor Detail

Lz4BlockCompressionFactory

public Lz4BlockCompressionFactory()

Method Detail

getCompressor

public BlockCompressor getCompressor()

Specified by:

getCompressor in interface BlockCompressionFactory

getDecompressor

public BlockDecompressor getDecompressor()

Specified by:

getDecompressor in interface BlockCompressionFactory