org.apache.cassandra.streaming.compress

Class CompressedStreamWriter

java.lang.Object

org.apache.cassandra.streaming.StreamWriter

org.apache.cassandra.streaming.compress.CompressedStreamWriter

public class CompressedStreamWriter
extends StreamWriter

StreamWriter for compressed SSTable.

Field Summary

Fields

Modifier and Type	Field and Description
static int	CHUNK_SIZE

Fields inherited from class org.apache.cassandra.streaming.StreamWriter

limiter, sections, session, sstable

Constructor Summary

Constructors

Constructor and Description
CompressedStreamWriter(SSTableReader sstable, java.util.Collection<Pair<java.lang.Long,java.lang.Long>> sections, CompressionInfo compressionInfo, StreamSession session)

Method Summary

Methods

Modifier and Type	Method and Description
protected long	totalSize()
void	write(java.nio.channels.WritableByteChannel channel) Stream file of specified sections to given channel.

Methods inherited from class org.apache.cassandra.streaming.StreamWriter

write

Methods inherited from class java.lang.Object

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

Field Detail

CHUNK_SIZE

public static final int CHUNK_SIZE

See Also:

Constant Field Values

Constructor Detail

CompressedStreamWriter

public CompressedStreamWriter(SSTableReader sstable,
                      java.util.Collection<Pair<java.lang.Long,java.lang.Long>> sections,
                      CompressionInfo compressionInfo,
                      StreamSession session)

Method Detail

write

public void write(java.nio.channels.WritableByteChannel channel)
           throws java.io.IOException

Description copied from class: StreamWriter

Stream file of specified sections to given channel. StreamWriter uses LZF compression on wire to decrease size to transfer.

Overrides:

write in class StreamWriter

Parameters:

channel - where this writes data to

Throws:

java.io.IOException - on any I/O error

totalSize

protected long totalSize()

Overrides:

totalSize in class StreamWriter