org.h2.store.fs

类 FakeFileChannel

java.lang.Object

java.nio.channels.spi.AbstractInterruptibleChannel

java.nio.channels.FileChannel

org.h2.store.fs.FakeFileChannel

所有已实现的接口:

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

public class FakeFileChannel
extends FileChannel

Fake file channel to use by in-memory and ZIP file systems.

嵌套类概要

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

FileChannel.MapMode

字段概要

字段

限定符和类型	字段和说明
static FakeFileChannel	INSTANCE No need to allocate these, they have no state

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)
long	position()
FileChannel	position(long newPosition)
int	read(ByteBuffer dst)
long	read(ByteBuffer[] dsts, int offset, int length)
int	read(ByteBuffer dst, long position)
long	size()
long	transferFrom(ReadableByteChannel src, long position, long count)
long	transferTo(long position, long count, WritableByteChannel target)
FileChannel	truncate(long size)
FileLock	tryLock(long position, long size, boolean shared)
int	write(ByteBuffer src)
long	write(ByteBuffer[] srcs, int offset, int len)
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

字段详细资料

INSTANCE

public static final FakeFileChannel INSTANCE

No need to allocate these, they have no state

方法详细资料

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

position

public 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 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 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

read

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

指定者:

read 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

size

public long size()
          throws IOException

指定者:

size 在接口中 SeekableByteChannel

指定者:

size 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

truncate

public 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

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 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

write

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

指定者:

write 在类中 FileChannel

抛出:

IOException

write

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

指定者:

write 在接口中 GatheringByteChannel

指定者:

write 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