Package org.h2.store.fs.split

Class FileSplit

java.lang.Object

java.nio.channels.spi.AbstractInterruptibleChannel

java.nio.channels.FileChannel

org.h2.store.fs.FileBase

org.h2.store.fs.FileBaseDefault

org.h2.store.fs.split.FileSplit

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

class FileSplit
extends FileBaseDefault

A file that may be split into multiple smaller files.

Nested Class Summary

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

java.nio.channels.FileChannel.MapMode

Field Summary

Fields

Modifier and Type	Field	Description
private FilePathSplit	filePath
private long	length
private java.nio.channels.FileChannel[]	list
private long	maxLength
private java.lang.String	mode

Constructor Summary

Constructors

Constructor	Description
FileSplit(FilePathSplit file, java.lang.String mode, java.nio.channels.FileChannel[] list, long length, long maxLength)

Method Summary

Modifier and Type	Method	Description
void	force(boolean metaData)
private java.nio.channels.FileChannel	getFileChannel(long position)
void	implCloseChannel()
protected void	implTruncate(long newLength)	The truncate implementation.
int	read(java.nio.ByteBuffer dst, long position)
long	size()
java.lang.String	toString()
java.nio.channels.FileLock	tryLock(long position, long size, boolean shared)
int	write(java.nio.ByteBuffer src, long position)

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

position, position, read, truncate, write

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

lock, map, read, transferFrom, transferTo, write

Methods inherited from class java.nio.channels.FileChannel

lock, open, open, read, 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, wait, wait, wait

Methods inherited from interface java.nio.channels.Channel

isOpen

Field Detail

filePath

private final FilePathSplit filePath

mode

private final java.lang.String mode

maxLength

private final long maxLength

list

private java.nio.channels.FileChannel[] list

length

private volatile long length

Constructor Detail

FileSplit

FileSplit(FilePathSplit file,
          java.lang.String mode,
          java.nio.channels.FileChannel[] list,
          long length,
          long maxLength)

Method Detail

implCloseChannel

public void implCloseChannel()
                      throws java.io.IOException

Overrides:

implCloseChannel in class FileBase

Throws:

java.io.IOException

size

public long size()

Specified by:

size in interface java.nio.channels.SeekableByteChannel

Specified by:

size in class java.nio.channels.FileChannel

read

public int read(java.nio.ByteBuffer dst,
                long position)
         throws java.io.IOException

Overrides:

read in class FileBase

Throws:

java.io.IOException

getFileChannel

private java.nio.channels.FileChannel getFileChannel(long position)
                                              throws java.io.IOException

Throws:

java.io.IOException

implTruncate

protected void implTruncate(long newLength)
                     throws java.io.IOException

Description copied from class: FileBaseDefault

The truncate implementation.

Specified by:

implTruncate in class FileBaseDefault

Parameters:

newLength - the new size

Throws:

java.io.IOException - on failure

force

public void force(boolean metaData)
           throws java.io.IOException

Overrides:

force in class FileBase

Throws:

java.io.IOException

write

public int write(java.nio.ByteBuffer src,
                 long position)
          throws java.io.IOException

Overrides:

write in class FileBase

Throws:

java.io.IOException

tryLock

public java.nio.channels.FileLock tryLock(long position,
                                          long size,
                                          boolean shared)
                                   throws java.io.IOException

Overrides:

tryLock in class FileBase

Throws:

java.io.IOException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object