org.h2.store.fs

类 FileBase

java.lang.Object

java.nio.channels.spi.AbstractInterruptibleChannel

java.nio.channels.FileChannel

org.h2.store.fs.FileBase

所有已实现的接口:

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

直接已知子类:

FilePathCache.FileCache, FilePathEncrypt.FileEncrypt

public abstract class FileBase
extends FileChannel

The base class for file implementations.

嵌套类概要

从类继承的嵌套类/接口 java.nio.channels.FileChannel

FileChannel.MapMode

构造器概要

构造器

构造器和说明
FileBase()

方法概要

限定符和类型	方法和说明
void	force(boolean metaData)
protected void	implCloseChannel()
FileLock	lock(long position, long size, boolean shared)
MappedByteBuffer	map(FileChannel.MapMode mode, long position, long size)
abstract long	position()
abstract FileChannel	position(long newPosition)
abstract int	read(ByteBuffer dst)
long	read(ByteBuffer[] dsts, int offset, int length)
int	read(ByteBuffer dst, long position)
abstract long	size()
long	transferFrom(ReadableByteChannel src, long position, long count)
long	transferTo(long position, long count, WritableByteChannel target)
abstract FileChannel	truncate(long size)
FileLock	tryLock(long position, long size, boolean shared)
abstract int	write(ByteBuffer src)
long	write(ByteBuffer[] srcs, int offset, int length)
int	write(ByteBuffer src, long position)

从类继承的方法 java.nio.channels.FileChannel

lock, open, open, read, tryLock, write

从类继承的方法 java.nio.channels.spi.AbstractInterruptibleChannel

begin, close, end, isOpen

从类继承的方法 java.lang.Object

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

从接口继承的方法 java.nio.channels.Channel

close, isOpen

构造器详细资料

FileBase

public FileBase()

方法详细资料

size

public abstract long size()
                   throws IOException

指定者:

size 在接口中 SeekableByteChannel

指定者:

size 在类中 FileChannel

抛出:

IOException

position

public abstract long position()
                       throws IOException

指定者:

position 在接口中 SeekableByteChannel

指定者:

position 在类中 FileChannel

抛出:

IOException

position

public abstract FileChannel position(long newPosition)
                              throws IOException

指定者:

position 在接口中 SeekableByteChannel

覆盖:

position 在类中 FileChannel

抛出:

IOException

read

public abstract int read(ByteBuffer dst)
                  throws IOException

指定者:

read 在接口中 ReadableByteChannel

指定者:

read 在接口中 SeekableByteChannel

指定者:

read 在类中 FileChannel

抛出:

IOException

write

public abstract int write(ByteBuffer src)
                   throws IOException

指定者:

write 在接口中 SeekableByteChannel

指定者:

write 在接口中 WritableByteChannel

指定者:

write 在类中 FileChannel

抛出:

IOException

read

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

指定者:

read 在类中 FileChannel

抛出:

IOException

write

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

指定者:

write 在类中 FileChannel

抛出:

IOException

truncate

public abstract FileChannel truncate(long size)
                              throws IOException

指定者:

truncate 在接口中 SeekableByteChannel

覆盖:

truncate 在类中 FileChannel

抛出:

IOException

force

public void force(boolean metaData)
           throws IOException

指定者:

force 在类中 FileChannel

抛出:

IOException

implCloseChannel

protected void implCloseChannel()
                         throws IOException

指定者:

implCloseChannel 在类中 AbstractInterruptibleChannel

抛出:

IOException

lock

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

指定者:

lock 在类中 FileChannel

抛出:

IOException

map

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

指定者:

map 在类中 FileChannel

抛出:

IOException

read

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

指定者:

read 在接口中 ScatteringByteChannel

指定者:

read 在类中 FileChannel

抛出:

IOException

transferFrom

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

指定者:

transferFrom 在类中 FileChannel

抛出:

IOException

transferTo

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

指定者:

transferTo 在类中 FileChannel

抛出:

IOException

tryLock

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

指定者:

tryLock 在类中 FileChannel

抛出:

IOException

write

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

指定者:

write 在接口中 GatheringByteChannel

指定者:

write 在类中 FileChannel

抛出:

IOException