Package org.h2.store.fs

Class FileBase

java.lang.Object

java.nio.channels.spi.AbstractInterruptibleChannel

java.nio.channels.FileChannel

org.h2.store.fs.FileBase

All Implemented Interfaces:

Closeable, AutoCloseable, ByteChannel, Channel, GatheringByteChannel, InterruptibleChannel, ReadableByteChannel, ScatteringByteChannel, SeekableByteChannel, WritableByteChannel

Direct Known Subclasses:

FileBaseDefault, FilePathCache.FileCache

public abstract class FileBase
extends FileChannel

The base class for file implementations.

Nested Class Summary

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

FileChannel.MapMode

Constructor Summary

Constructors

Constructor	Description
FileBase()

Method Summary

Modifier and Type	Method	Description
void	force(boolean metaData)
protected void	implCloseChannel()
FileLock	lock(long position, long size, boolean shared)
MappedByteBuffer	map(FileChannel.MapMode mode, long position, long size)
long	read(ByteBuffer[] dsts, int offset, int length)
int	read(ByteBuffer dst, long position)
long	transferFrom(ReadableByteChannel src, long position, long count)
long	transferTo(long position, long count, WritableByteChannel target)
FileLock	tryLock(long position, long size, boolean shared)
long	write(ByteBuffer[] srcs, int offset, int length)
int	write(ByteBuffer src, long position)

Methods inherited from class java.nio.channels.FileChannel

lock, map, open, open, position, position, read, read, size, truncate, tryLock, write, 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

isOpen

Constructor Details

FileBase

public FileBase()

Method Details

read

public int read(ByteBuffer dst,
 long position)
         throws IOException

Specified by:

read in class FileChannel

Throws:

IOException

write

public int write(ByteBuffer src,
 long position)
          throws IOException

Specified by:

write in class FileChannel

Throws:

IOException

force

public void force(boolean metaData)
           throws IOException

Specified by:

force in class FileChannel

Throws:

IOException

implCloseChannel

protected void implCloseChannel()
                         throws IOException

Specified by:

implCloseChannel in class AbstractInterruptibleChannel

Throws:

IOException

lock

public FileLock lock(long position,
 long size,
 boolean shared)
              throws IOException

Specified by:

lock in class FileChannel

Throws:

IOException

map

public MappedByteBuffer map(FileChannel.MapMode mode,
 long position,
 long size)
                     throws IOException

Specified by:

map in class FileChannel

Throws:

IOException

read

public long read(ByteBuffer[] dsts,
 int offset,
 int length)
          throws IOException

Specified by:

read in interface ScatteringByteChannel

Specified by:

read in class FileChannel

Throws:

IOException

transferFrom

public long transferFrom(ReadableByteChannel src,
 long position,
 long count)

Specified by:

transferFrom in class FileChannel

transferTo

public long transferTo(long position,
 long count,
 WritableByteChannel target)

Specified by:

transferTo in class FileChannel

tryLock

public FileLock tryLock(long position,
 long size,
 boolean shared)
                 throws IOException

Specified by:

tryLock in class FileChannel

Throws:

IOException

write

public long write(ByteBuffer[] srcs,
 int offset,
 int length)
           throws IOException

Specified by:

write in interface GatheringByteChannel

Specified by:

write in class FileChannel

Throws:

IOException