Package org.gvsig.utils.bigfile

Class BigByteBuffer

java.lang.Object

org.gvsig.utils.bigfile.BigByteBuffer

public class BigByteBuffer
extends Object

Author:

Fjp Clase para trabajar con ficheros grandes. Mapea solo un trozo de fichero en memoria, y cuando intentas acceder fuera de esa zona, se ocupa de leer automáticamente el trozo que le falta.

Constructor Summary

Constructors

Constructor	Description
BigByteBuffer(FileChannel fc, FileChannel.MapMode mode)
BigByteBuffer(FileChannel fc, FileChannel.MapMode mode, long amountMem)

Method Summary

Modifier and Type	Method	Description
CharBuffer	asCharBuffer()
DoubleBuffer	asDoubleBuffer()
FloatBuffer	asFloatBuffer()
IntBuffer	asIntBuffer()
LongBuffer	asLongBuffer()
ByteBuffer	asReadOnlyBuffer()
ShortBuffer	asShortBuffer()
ByteBuffer	compact()
ByteBuffer	duplicate()
byte	get()
ByteBuffer	get(byte[] dst)
byte	get(int index)
char	getChar()
char	getChar(int index)
double	getDouble()
double	getDouble(int index)
float	getFloat()
float	getFloat(int index)
int	getInt()
int	getInt(int index)
long	getLong()
long	getLong(int index)
short	getShort()
short	getShort(int index)
boolean	isDirect()
boolean	isReadOnly()
final ByteOrder	order()
final ByteBuffer	order(ByteOrder bo)
final long	position()
final Buffer	position(long newPosition)
ByteBuffer	put(byte b)
ByteBuffer	put(int index, byte b)
ByteBuffer	putChar(char value)
ByteBuffer	putChar(int index, char value)
ByteBuffer	putDouble(double value)
ByteBuffer	putDouble(int index, double value)
ByteBuffer	putFloat(float value)
ByteBuffer	putFloat(int index, float value)
ByteBuffer	putInt(int value)
ByteBuffer	putInt(int index, int value)
ByteBuffer	putLong(int index, long value)
ByteBuffer	putLong(long value)
ByteBuffer	putShort(int index, short value)
ByteBuffer	putShort(short value)
ByteBuffer	slice()

Methods inherited from class java.lang.Object

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

Constructor Details

BigByteBuffer

public BigByteBuffer(FileChannel fc,
 FileChannel.MapMode mode,
 long amountMem)
              throws IOException

Throws:

IOException

BigByteBuffer

public BigByteBuffer(FileChannel fc,
 FileChannel.MapMode mode)
              throws IOException

Throws:

IOException

Method Details

get

public byte get()

get

public ByteBuffer get(byte[] dst)

getChar

public char getChar()

getDouble

public double getDouble()

getFloat

public float getFloat()

getInt

public int getInt()

getLong

public long getLong()

getShort

public short getShort()

isDirect

public boolean isDirect()

get

public byte get(int index)

getChar

public char getChar(int index)

getDouble

public double getDouble(int index)

getFloat

public float getFloat(int index)

getInt

public int getInt(int index)

getLong

public long getLong(int index)

getShort

public short getShort(int index)

asReadOnlyBuffer

public ByteBuffer asReadOnlyBuffer()

compact

public ByteBuffer compact()

duplicate

public ByteBuffer duplicate()

slice

public ByteBuffer slice()

put

public ByteBuffer put(byte b)

putChar

public ByteBuffer putChar(char value)

putDouble

public ByteBuffer putDouble(double value)

putFloat

public ByteBuffer putFloat(float value)

putInt

public ByteBuffer putInt(int value)

put

public ByteBuffer put(int index,
 byte b)

putChar

public ByteBuffer putChar(int index,
 char value)

putDouble

public ByteBuffer putDouble(int index,
 double value)

putFloat

public ByteBuffer putFloat(int index,
 float value)

putInt

public ByteBuffer putInt(int index,
 int value)

putLong

public ByteBuffer putLong(int index,
 long value)

putShort

public ByteBuffer putShort(int index,
 short value)

putLong

public ByteBuffer putLong(long value)

putShort

public ByteBuffer putShort(short value)

asCharBuffer

public CharBuffer asCharBuffer()

asDoubleBuffer

public DoubleBuffer asDoubleBuffer()

asFloatBuffer

public FloatBuffer asFloatBuffer()

asIntBuffer

public IntBuffer asIntBuffer()

asLongBuffer

public LongBuffer asLongBuffer()

asShortBuffer

public ShortBuffer asShortBuffer()

isReadOnly

public boolean isReadOnly()

order

public final ByteOrder order()

order

public final ByteBuffer order(ByteOrder bo)

position

public final long position()

position

public final Buffer position(long newPosition)