org.h2.store.fs

Class FileBaseDefault

java.lang.Object

java.nio.channels.spi.AbstractInterruptibleChannel

java.nio.channels.FileChannel

org.h2.store.fs.FileBase

org.h2.store.fs.FileBaseDefault

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.nio.channels.ByteChannel, java.nio.channels.Channel, java.nio.channels.GatheringByteChannel, java.nio.channels.InterruptibleChannel, java.nio.channels.ReadableByteChannel, java.nio.channels.ScatteringByteChannel, java.nio.channels.SeekableByteChannel, java.nio.channels.WritableByteChannel

Direct Known Subclasses:

FileEncrypt

public abstract class FileBaseDefault
extends FileBase

Default implementation of the slow operations that need synchronization because they involve the file position.

Nested Class Summary

Nested classes/interfaces inherited from class java.nio.channels.FileChannel

java.nio.channels.FileChannel.MapMode

Constructor Summary

Constructors

Constructor and Description
FileBaseDefault()

Method Summary

Modifier and Type	Method and Description
protected abstract void	implTruncate(long size) The truncate implementation.
long	position()
java.nio.channels.FileChannel	position(long newPosition)
int	read(java.nio.ByteBuffer dst)
java.nio.channels.FileChannel	truncate(long newLength)
int	write(java.nio.ByteBuffer src)

Methods inherited from class org.h2.store.fs.FileBase

force, implCloseChannel, lock, map, read, read, transferFrom, transferTo, tryLock, write, write

Methods inherited from class java.nio.channels.FileChannel

lock, open, open, read, size, tryLock, write

Methods inherited from class java.nio.channels.spi.AbstractInterruptibleChannel

begin, close, end, isOpen

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.nio.channels.Channel

close, isOpen

Constructor Detail

FileBaseDefault

public FileBaseDefault()

Method Detail

position

public final long position()
                    throws java.io.IOException

Specified by:

position in interface java.nio.channels.SeekableByteChannel

Specified by:

position in class java.nio.channels.FileChannel

Throws:

java.io.IOException

position

public final java.nio.channels.FileChannel position(long newPosition)
                                             throws java.io.IOException

Specified by:

position in interface java.nio.channels.SeekableByteChannel

Overrides:

position in class java.nio.channels.FileChannel

Throws:

java.io.IOException

read

public final int read(java.nio.ByteBuffer dst)
               throws java.io.IOException

Specified by:

read in interface java.nio.channels.ReadableByteChannel

Specified by:

read in interface java.nio.channels.SeekableByteChannel

Specified by:

read in class java.nio.channels.FileChannel

Throws:

java.io.IOException

write

public final int write(java.nio.ByteBuffer src)
                throws java.io.IOException

Specified by:

write in interface java.nio.channels.SeekableByteChannel

Specified by:

write in interface java.nio.channels.WritableByteChannel

Specified by:

write in class java.nio.channels.FileChannel

Throws:

java.io.IOException

truncate

public final java.nio.channels.FileChannel truncate(long newLength)
                                             throws java.io.IOException

Specified by:

truncate in interface java.nio.channels.SeekableByteChannel

Overrides:

truncate in class java.nio.channels.FileChannel

Throws:

java.io.IOException

implTruncate

protected abstract void implTruncate(long size)
                              throws java.io.IOException

The truncate implementation.

Parameters:

size - the new size

Throws:

java.io.IOException - on failure