org.encog.ml.data.buffer

Class EncogEGBFile

java.lang.Object

org.encog.ml.data.buffer.EncogEGBFile

public class EncogEGBFile
extends java.lang.Object

Used to access an Encog Binary Training file (*.EGB).

Field Summary

Fields

Modifier and Type	Field and Description
static int	DOUBLE_SIZE The size of a double.
static int	HEADER_SIZE The size of the file header.

Constructor Summary

Constructors

Constructor and Description
EncogEGBFile(java.io.File theFile) Construct an EGB file.

Method Summary

Modifier and Type	Method and Description
void	addColumn(int col, boolean isInput) Add a column.
void	addRow(int row) Add a row.
void	close() Close the file.
void	create(int theInputCount, int theIdealCount) Create a new RGB file.
void	deleteCol(int col) Delete a column.
void	deleteRow(int row) Delete a row.
java.nio.channels.FileChannel	getFc()
java.io.File	getFile()
java.nio.ByteBuffer	getHeaderBuffer()
int	getIdealCount()
int	getInputCount()
int	getNumberOfRecords()
java.io.RandomAccessFile	getRaf()
java.nio.ByteBuffer	getRecordBuffer()
int	getRecordCount()
int	getRecordSize()
void	open() OPen an existing EGB file.
double	read() Read a single double.
void	read(double[] d) Read an array of doubles.
void	read(int row, double[] d) Read a double array at the specified record.
double	read(int row, int col) Read a row and column.
void	setLocation(int row) Set the current location to the specified row.
void	write(byte b) Write a byte.
void	write(double d)
void	write(double[] v) Write an array.
void	write(int row, double[] v) Write an array at the specified record.
void	write(int row, int col, double v) Write the specified row and column.

Methods inherited from class java.lang.Object

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

Field Detail

DOUBLE_SIZE

public static final int DOUBLE_SIZE

The size of a double.

See Also:

Constant Field Values

HEADER_SIZE

public static final int HEADER_SIZE

The size of the file header.

See Also:

Constant Field Values

Constructor Detail

EncogEGBFile

public EncogEGBFile(java.io.File theFile)

Construct an EGB file.

Parameters:

theFile - The file.

Method Detail

addColumn

public void addColumn(int col,
                      boolean isInput)

Add a column.

Parameters:

col - THe column to add.

isInput - Is this an input column?

addRow

public void addRow(int row)

Add a row.

Parameters:

row - Where to add the row.

close

public void close()

Close the file.

create

public void create(int theInputCount,
                   int theIdealCount)

Create a new RGB file.

Parameters:

theInputCount - The input count.

theIdealCount - The ideal count.

deleteCol

public void deleteCol(int col)

Delete a column.

Parameters:

col - The column to delete.

deleteRow

public void deleteRow(int row)

Delete a row.

Parameters:

row - The row to delete.

getFc

public java.nio.channels.FileChannel getFc()

Returns:

the fc

getFile

public java.io.File getFile()

Returns:

the file

getHeaderBuffer

public java.nio.ByteBuffer getHeaderBuffer()

Returns:

the headerBuffer

getIdealCount

public int getIdealCount()

Returns:

the idealCount

getInputCount

public int getInputCount()

Returns:

the inputCount

getNumberOfRecords

public int getNumberOfRecords()

Returns:

the numberOfRecords

getRaf

public java.io.RandomAccessFile getRaf()

Returns:

the raf

getRecordBuffer

public java.nio.ByteBuffer getRecordBuffer()

Returns:

the recordBuffer

getRecordCount

public int getRecordCount()

Returns:

the recordCount

getRecordSize

public int getRecordSize()

Returns:

the recordSize

open

public void open()

OPen an existing EGB file.

read

public double read()

Read a single double.

Returns:

The double read.

read

public void read(double[] d)

Read an array of doubles.

Parameters:

d - The array to read into.

read

public void read(int row,
                 double[] d)

Read a double array at the specified record.

Parameters:

row - The record to read.

d - The array to read into.

read

public double read(int row,
                   int col)

Read a row and column.

Parameters:

row - The row to read.

col - The column to read.

Returns:

The value read.

setLocation

public void setLocation(int row)

Set the current location to the specified row.

Parameters:

row - The row.

write

public void write(byte b)

Write a byte.

Parameters:

b - The byte to write.

write

public void write(double[] v)

Write an array.

Parameters:

v - The array to write.

write

public void write(int row,
                  double[] v)

Write an array at the specified record.

Parameters:

row - The record to write.

v - The array to write.

write

public void write(int row,
                  int col,
                  double v)

Write the specified row and column.

Parameters:

row - The row.

col - The column.

v - The value.

write

public void write(double d)