Package org.h2.store.fs
Class FileBase
- java.lang.Object
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- java.nio.channels.spi.AbstractInterruptibleChannel
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- java.nio.channels.FileChannel
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- org.h2.store.fs.FileBase
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- 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:
FileBaseDefault
,FilePathCache.FileCache
,FileRec
,FileRetryOnInterrupt
,FileZip
public abstract class FileBase extends java.nio.channels.FileChannel
The base class for file implementations.
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Constructor Summary
Constructors Constructor Description FileBase()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
force(boolean metaData)
protected void
implCloseChannel()
java.nio.channels.FileLock
lock(long position, long size, boolean shared)
java.nio.MappedByteBuffer
map(java.nio.channels.FileChannel.MapMode mode, long position, long size)
long
read(java.nio.ByteBuffer[] dsts, int offset, int length)
int
read(java.nio.ByteBuffer dst, long position)
long
transferFrom(java.nio.channels.ReadableByteChannel src, long position, long count)
long
transferTo(long position, long count, java.nio.channels.WritableByteChannel target)
java.nio.channels.FileLock
tryLock(long position, long size, boolean shared)
long
write(java.nio.ByteBuffer[] srcs, int offset, int length)
int
write(java.nio.ByteBuffer src, long position)
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Methods inherited from class java.nio.channels.FileChannel
lock, open, open, position, position, read, read, size, truncate, tryLock, write, write
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Methods inherited from class java.nio.channels.spi.AbstractInterruptibleChannel
begin, close, end, isOpen
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Method Detail
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read
public int read(java.nio.ByteBuffer dst, long position) throws java.io.IOException
- Specified by:
read
in classjava.nio.channels.FileChannel
- Throws:
java.io.IOException
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write
public int write(java.nio.ByteBuffer src, long position) throws java.io.IOException
- Specified by:
write
in classjava.nio.channels.FileChannel
- Throws:
java.io.IOException
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force
public void force(boolean metaData) throws java.io.IOException
- Specified by:
force
in classjava.nio.channels.FileChannel
- Throws:
java.io.IOException
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implCloseChannel
protected void implCloseChannel() throws java.io.IOException
- Specified by:
implCloseChannel
in classjava.nio.channels.spi.AbstractInterruptibleChannel
- Throws:
java.io.IOException
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lock
public java.nio.channels.FileLock lock(long position, long size, boolean shared) throws java.io.IOException
- Specified by:
lock
in classjava.nio.channels.FileChannel
- Throws:
java.io.IOException
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map
public java.nio.MappedByteBuffer map(java.nio.channels.FileChannel.MapMode mode, long position, long size) throws java.io.IOException
- Specified by:
map
in classjava.nio.channels.FileChannel
- Throws:
java.io.IOException
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read
public long read(java.nio.ByteBuffer[] dsts, int offset, int length) throws java.io.IOException
- Specified by:
read
in interfacejava.nio.channels.ScatteringByteChannel
- Specified by:
read
in classjava.nio.channels.FileChannel
- Throws:
java.io.IOException
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transferFrom
public long transferFrom(java.nio.channels.ReadableByteChannel src, long position, long count) throws java.io.IOException
- Specified by:
transferFrom
in classjava.nio.channels.FileChannel
- Throws:
java.io.IOException
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transferTo
public long transferTo(long position, long count, java.nio.channels.WritableByteChannel target) throws java.io.IOException
- Specified by:
transferTo
in classjava.nio.channels.FileChannel
- Throws:
java.io.IOException
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tryLock
public java.nio.channels.FileLock tryLock(long position, long size, boolean shared) throws java.io.IOException
- Specified by:
tryLock
in classjava.nio.channels.FileChannel
- Throws:
java.io.IOException
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write
public long write(java.nio.ByteBuffer[] srcs, int offset, int length) throws java.io.IOException
- Specified by:
write
in interfacejava.nio.channels.GatheringByteChannel
- Specified by:
write
in classjava.nio.channels.FileChannel
- Throws:
java.io.IOException
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