Package org.jppf.io

Class ChannelOutputDestination

java.lang.Object

org.jppf.io.ChannelOutputDestination

All Implemented Interfaces:

Closeable, AutoCloseable, IO, OutputDestination

Direct Known Subclasses:

FileOutputDestination

public class ChannelOutputDestination
extends Object
implements OutputDestination

Output destination backed by a WritableByteChannel.

Author:

Laurent Cohen

Field Summary

Fields

Modifier and Type	Field	Description
protected WritableByteChannel	channel	The backing WritableByteChannel.

Fields inherited from interface org.jppf.io.IO

CHECK_LOW_MEMORY, EMPTY_BYTES, FREE_MEM_TO_SIZE_RATIO, GC_ON_DISK_OVERFLOW, LENGTH_BUFFER_POOL, LENGTH_BUFFER_POOL_SIZE, LOW_MEMORY_THRESHOLD, SOCKET_BUFFER_SIZE, SOCKET_KEEPALIVE, SOCKET_TCP_NODELAY, TEMP_BUFFER_POOL, TEMP_BUFFER_POOL_SIZE, TEMP_BUFFER_SIZE

Constructor Summary

Constructors

Constructor	Description
ChannelOutputDestination(WritableByteChannel channel)	Initialize this output destination with the specified SocketWrapper.

Method Summary

Modifier and Type	Method	Description
void	close()	This method does nothing.
String	toString()
int	write(byte[] data, int offset, int len)	Write data to this output destination from an array of bytes.
int	write(ByteBuffer data)	Write data to this output destination from a byte buffer.
void	writeInt(int value)	Write an int value to this output destination.

Methods inherited from class java.lang.Object

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

Field Details

channel

protected WritableByteChannel channel

The backing WritableByteChannel.

Constructor Details

ChannelOutputDestination

public ChannelOutputDestination(WritableByteChannel channel)

Initialize this output destination with the specified SocketWrapper.

Parameters:

channel - the backing SocketWrapper.

Method Details

write

public int write(byte[] data,
 int offset,
 int len)
          throws Exception

Write data to this output destination from an array of bytes.

Specified by:

write in interface OutputDestination

Parameters:

data - the buffer containing the data to write.

offset - the position in the buffer where to start reading the data.

len - the size in bytes of the data to write.

Returns:

the number of bytes actually written, or -1 if end of stream was reached.

Throws:

Exception - if an IO error occurs.

write

public int write(ByteBuffer data)
          throws Exception

Write data to this output destination from a byte buffer.

Specified by:

write in interface OutputDestination

Parameters:

data - the buffer containing the data to write.

Returns:

the number of bytes actually written, or -1 if end of stream was reached.

Throws:

Exception - if an IO error occurs.

writeInt

public void writeInt(int value)
              throws Exception

Write an int value to this output destination.

Specified by:

writeInt in interface OutputDestination

Parameters:

value - the value to write.

Throws:

Exception - if an IO error occurs.

close

public void close()
           throws IOException

This method does nothing.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException - if an IO error occurs.

toString

public String toString()

Overrides:

toString in class Object