Class DowngradedSeekableByteChannel

java.lang.Object

com.google.common.jimfs.DowngradedSeekableByteChannel

All Implemented Interfaces:

Closeable, AutoCloseable, ByteChannel, Channel, ReadableByteChannel, SeekableByteChannel, WritableByteChannel

final class DowngradedSeekableByteChannel
extends Object
implements SeekableByteChannel

A thin wrapper around a FileChannel that exists only to implement SeekableByteChannel but NOT extend FileChannel.

Field Summary

Fields

Modifier and Type	Field	Description
private final FileChannel	channel

Constructor Summary

Constructors

Constructor	Description
DowngradedSeekableByteChannel(FileChannel channel)

Method Summary

Modifier and Type	Method	Description
void	close()
boolean	isOpen()
long	position()
SeekableByteChannel	position(long newPosition)
int	read(ByteBuffer dst)
long	size()
SeekableByteChannel	truncate(long size)
int	write(ByteBuffer src)

Methods inherited from class Object

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

Field Details

channel

private final FileChannel channel

Constructor Details

DowngradedSeekableByteChannel

DowngradedSeekableByteChannel(FileChannel channel)

Method Details

read

public int read(ByteBuffer dst)
         throws IOException

Specified by:

read in interface ReadableByteChannel

Specified by:

read in interface SeekableByteChannel

Throws:

IOException

write

public int write(ByteBuffer src)
          throws IOException

Specified by:

write in interface SeekableByteChannel

Specified by:

write in interface WritableByteChannel

Throws:

IOException

position

public long position()
              throws IOException

Specified by:

position in interface SeekableByteChannel

Throws:

IOException

position

@CanIgnoreReturnValue
public SeekableByteChannel position(long newPosition)
                             throws IOException

Specified by:

position in interface SeekableByteChannel

Throws:

IOException

size

public long size()
          throws IOException

Specified by:

size in interface SeekableByteChannel

Throws:

IOException

truncate

@CanIgnoreReturnValue
public SeekableByteChannel truncate(long size)
                             throws IOException

Specified by:

truncate in interface SeekableByteChannel

Throws:

IOException

isOpen

public boolean isOpen()

Specified by:

isOpen in interface Channel

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Channel

Specified by:

close in interface Closeable

Throws:

IOException