Package org.apache.commons.compress.compressors.lz4

Class BlockLZ4CompressorOutputStream.Pair

java.lang.Object

org.apache.commons.compress.compressors.lz4.BlockLZ4CompressorOutputStream.Pair

Enclosing class:

BlockLZ4CompressorOutputStream

static final class BlockLZ4CompressorOutputStream.Pair
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
private int	brLength
private int	brOffset
private java.util.Deque<byte[]>	literals
private boolean	written

Constructor Summary

Constructors

Constructor	Description
Pair()

Method Summary

Modifier and Type	Method	Description
(package private) byte[]	addLiteral(LZ77Compressor.LiteralBlock block)
private int	backReferenceLength()
(package private) boolean	canBeWritten(int lengthOfBlocksAfterThisPair)
(package private) boolean	hasBackReference()
private boolean	hasBeenWritten()
(package private) int	length()
private static int	lengths(int litLength, int brLength)
private int	literalLength()
private void	prependLiteral(byte[] data)
private void	prependTo(BlockLZ4CompressorOutputStream.Pair other)
(package private) void	setBackReference(LZ77Compressor.BackReference block)
private BlockLZ4CompressorOutputStream.Pair	splitWithNewBackReferenceLengthOf(int newBackReferenceLength)
private static void	writeLength(int length, java.io.OutputStream out)
(package private) void	writeTo(java.io.OutputStream out)

Methods inherited from class java.lang.Object

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

Field Detail

literals

private final java.util.Deque<byte[]> literals

brOffset

private int brOffset

brLength

private int brLength

written

private boolean written

Constructor Detail

Pair

Pair()

Method Detail

prependLiteral

private void prependLiteral(byte[] data)

addLiteral

byte[] addLiteral(LZ77Compressor.LiteralBlock block)

setBackReference

void setBackReference(LZ77Compressor.BackReference block)

hasBackReference

boolean hasBackReference()

canBeWritten

boolean canBeWritten(int lengthOfBlocksAfterThisPair)

length

int length()

hasBeenWritten

private boolean hasBeenWritten()

writeTo

void writeTo(java.io.OutputStream out)
      throws java.io.IOException

Throws:

java.io.IOException

literalLength

private int literalLength()

lengths

private static int lengths(int litLength,
                           int brLength)

writeLength

private static void writeLength(int length,
                                java.io.OutputStream out)
                         throws java.io.IOException

Throws:

java.io.IOException

backReferenceLength

private int backReferenceLength()

prependTo

private void prependTo(BlockLZ4CompressorOutputStream.Pair other)

splitWithNewBackReferenceLengthOf

private BlockLZ4CompressorOutputStream.Pair splitWithNewBackReferenceLengthOf(int newBackReferenceLength)