com.sleepycat.je.log
Class FileHandleSource

java.lang.Object
  com.sleepycat.je.log.FileSource
      com.sleepycat.je.log.FileHandleSource

All Implemented Interfaces:

LogSource

class FileHandleSource

extends FileSource

FileHandleSource is a file source built on top of a cached file handle.

Constructor Summary

(package private)

FileHandleSource(FileHandle fileHandle, int readBufferSize, FileManager fileManager)

Method Summary

ByteBuffer	getBytes(long fileOffset) Fill the destination byte array with bytes.
ByteBuffer	getBytes(long fileOffset, int numBytes) Fill the destination byte array with the requested number of bytes.
void	release() We're done with this log source.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileHandleSource

FileHandleSource(FileHandle fileHandle,
                 int readBufferSize,
                 FileManager fileManager)

Method Detail

release

public void release()
             throws DatabaseException

Description copied from interface: LogSource

We're done with this log source.

Specified by:

release in interface LogSource

Overrides:

release in class FileSource

Throws:

DatabaseException

See Also:

LogSource.release()

getBytes

public ByteBuffer getBytes(long fileOffset)
                    throws IOException

Description copied from interface: LogSource

Fill the destination byte array with bytes. The offset indicates the absolute log file position.

Specified by:

getBytes in interface LogSource

Throws:

IOException

See Also:

LogSource.getBytes(long)

getBytes

public ByteBuffer getBytes(long fileOffset,
                           int numBytes)
                    throws IOException

Description copied from interface: LogSource

Fill the destination byte array with the requested number of bytes. The offset indicates the absolute position in the log file.

Specified by:

getBytes in interface LogSource

Throws:

IOException

See Also:

LogSource.getBytes(long)