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java.lang.Objectorg.h2.store.fs.FileObjectDiskMapped
public class FileObjectDiskMapped
FileObject which is using NIO MappedByteBuffer mapped to memory from file.
Method Summary | |
---|---|
void |
close()
Close the file. |
long |
getFilePointer()
Get the file pointer. |
java.lang.String |
getName()
Get the full qualified name of this file. |
long |
length()
Get the length of the file. |
void |
readFully(byte[] b,
int off,
int len)
Read from the file. |
void |
seek(long pos)
Go to the specified position in the file. |
void |
setFileLength(long newLength)
Change the length of the file. |
void |
sync()
Force changes to the physical location. |
void |
write(byte[] b,
int off,
int len)
Write to the file. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public void close() throws java.io.IOException
FileObject
close
in interface FileObject
java.io.IOException
public long getFilePointer()
FileObject
getFilePointer
in interface FileObject
public java.lang.String getName()
FileObject
getName
in interface FileObject
public long length() throws java.io.IOException
FileObject
length
in interface FileObject
java.io.IOException
public void readFully(byte[] b, int off, int len)
FileObject
readFully
in interface FileObject
b
- the byte arrayoff
- the offsetlen
- the number of bytespublic void seek(long pos)
FileObject
seek
in interface FileObject
pos
- the new positionpublic void setFileLength(long newLength) throws java.io.IOException
FileObject
setFileLength
in interface FileObject
newLength
- the new length
java.io.IOException
public void sync() throws java.io.IOException
FileObject
sync
in interface FileObject
java.io.IOException
public void write(byte[] b, int off, int len) throws java.io.IOException
FileObject
write
in interface FileObject
b
- the byte arrayoff
- the offsetlen
- the number of bytes
java.io.IOException
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