org.neodatis.odb.core.layers.layer3

Interface IBufferedIO

All Known Implementing Classes:

MultiBufferedFileIO, MultiBufferedIO

public interface IBufferedIO

The interface for buffered IO

Method Summary

Modifier and Type	Method and Description
boolean	automaticDeleteIsEnabled()
void	clear()
void	close()
boolean	delete()
void	enableAutomaticDelete(boolean yesOrNo)
void	flushAllBuffers()
void	flushBuffer(int bufferIndex)
void	flushIO()
long	getCurrentPosition()
long	getIoDeviceLength()
long	getLength()
void	goToPosition(long position)
boolean	isForTransaction()
boolean	isUsingbuffer()
int	manageBufferForNewPosition(long newPosition, int readOrWrite, int size) Checks if the new position is in the buffer, if not, flushes the buffer and rebuilds it to the correct position
byte	readByte()
byte[]	readBytes(int size)
byte[]	readBytesOld(int size)
void	setCurrentReadPosition(long currentPosition)
void	setCurrentWritePosition(long currentPosition)
void	setIoDeviceLength(long ioDeviceLength)
void	setUseBuffer(boolean useBuffer)
void	writeByte(byte b)
void	writeBytes(byte[] bytes)

Method Detail

goToPosition

void goToPosition(long position)

getLength

long getLength()

manageBufferForNewPosition

int manageBufferForNewPosition(long newPosition,
                               int readOrWrite,
                               int size)

Checks if the new position is in the buffer, if not, flushes the buffer and rebuilds it to the correct position

Parameters:

newPosition -

readOrWrite -

size - Size if the data that must be stored

Returns:

The index of the buffer where that contains the position

isUsingbuffer

boolean isUsingbuffer()

setUseBuffer

void setUseBuffer(boolean useBuffer)

getCurrentPosition

long getCurrentPosition()

setCurrentWritePosition

void setCurrentWritePosition(long currentPosition)

setCurrentReadPosition

void setCurrentReadPosition(long currentPosition)

writeByte

void writeByte(byte b)

readBytesOld

byte[] readBytesOld(int size)

readBytes

byte[] readBytes(int size)

readByte

byte readByte()

writeBytes

void writeBytes(byte[] bytes)

flushBuffer

void flushBuffer(int bufferIndex)

flushAllBuffers

void flushAllBuffers()

flushIO

void flushIO()
      throws java.io.IOException

Throws:

java.io.IOException

getIoDeviceLength

long getIoDeviceLength()

setIoDeviceLength

void setIoDeviceLength(long ioDeviceLength)

close

void close()

clear

void clear()

delete

boolean delete()

isForTransaction

boolean isForTransaction()

enableAutomaticDelete

void enableAutomaticDelete(boolean yesOrNo)

automaticDeleteIsEnabled

boolean automaticDeleteIsEnabled()