Package org.apache.orc.impl

Class RunLengthByteWriter

java.lang.Object

org.apache.orc.impl.RunLengthByteWriter

public class RunLengthByteWriter
extends Object

A streamFactory that writes a sequence of bytes. A control byte is written before each run with positive values 0 to 127 meaning 2 to 129 repetitions. If the bytes is -1 to -128, 1 to 128 literal byte values follow.

Constructor Summary

Constructors

Constructor	Description
RunLengthByteWriter(PositionedOutputStream output)

Method Summary

Modifier and Type	Method	Description
void	changeIv(Consumer<byte[]> modifier)
long	estimateMemory()
void	flush()
void	getPosition(PositionRecorder recorder)
void	write(byte value)

Methods inherited from class java.lang.Object

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

Constructor Details

RunLengthByteWriter

public RunLengthByteWriter(PositionedOutputStream output)

Method Details

flush

public void flush()
           throws IOException

Throws:

IOException

write

public void write(byte value)
           throws IOException

Throws:

IOException

getPosition

public void getPosition(PositionRecorder recorder)
                 throws IOException

Throws:

IOException

estimateMemory

public long estimateMemory()

changeIv

public void changeIv(Consumer<byte[]> modifier)