org.apache.cassandra.streaming
Class FileStreamTask

java.lang.Object
  org.apache.cassandra.utils.WrappedRunnable
      org.apache.cassandra.streaming.FileStreamTask

All Implemented Interfaces:

java.lang.Runnable

Direct Known Subclasses:

CompressedFileStreamTask

public class FileStreamTask
extends WrappedRunnable

Field Summary

static int	CHUNK_SIZE
protected StreamHeader	header
static int	MAX_CONNECT_ATTEMPTS
protected StreamingMetrics	metrics
protected java.net.Socket	socket
protected Throttle	throttle
protected java.net.InetAddress	to

Constructor Summary

FileStreamTask(StreamHeader header, java.net.InetAddress to)

Method Summary

protected void	close()
protected void	receiveReply()
void	runMayThrow()
protected void	stream() Stream file by it's sections specified by this.header
java.lang.String	toString()
protected long	write(RandomAccessReader reader, long length, long bytesTransferred) Sequentially read bytes from the file and write them to the output stream

Methods inherited from class org.apache.cassandra.utils.WrappedRunnable

run

Methods inherited from class java.lang.Object

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

Field Detail

CHUNK_SIZE

public static final int CHUNK_SIZE

See Also:

Constant Field Values

MAX_CONNECT_ATTEMPTS

public static final int MAX_CONNECT_ATTEMPTS

See Also:

Constant Field Values

header

protected final StreamHeader header

to

protected final java.net.InetAddress to

socket

protected java.net.Socket socket

throttle

protected final Throttle throttle

metrics

protected final StreamingMetrics metrics

Constructor Detail

FileStreamTask

public FileStreamTask(StreamHeader header,
                      java.net.InetAddress to)

Method Detail

runMayThrow

public void runMayThrow()
                 throws java.io.IOException

Specified by:

runMayThrow in class WrappedRunnable

Throws:

java.io.IOException

stream

protected void stream()
               throws java.io.IOException

Stream file by it's sections specified by this.header

Throws:

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

receiveReply

protected void receiveReply()
                     throws java.io.IOException

Throws:

java.io.IOException

write

protected long write(RandomAccessReader reader,
                     long length,
                     long bytesTransferred)
              throws java.io.IOException

Sequentially read bytes from the file and write them to the output stream

Parameters:

reader - The file reader to read from

length - The full length that should be transferred

bytesTransferred - Number of bytes remaining to transfer

Returns:

Number of bytes transferred

Throws:

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

close

protected void close()
              throws java.io.IOException

Throws:

java.io.IOException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object