edu.iu.dsc.tws.api.comms.packing

Class DataBuffer

java.lang.Object

edu.iu.dsc.tws.api.comms.packing.DataBuffer

public class DataBuffer
extends java.lang.Object

Keep track of a byte buffer with capacity and size

Constructor Summary

Constructors

Constructor and Description
DataBuffer(java.nio.ByteBuffer buffer) Create a buffer

Method Summary

Modifier and Type	Method and Description
int	copyPartToByteArray(int bufferLocation, byte[] value, int startIndex, int byteLength) Copies a part of the ByteBuffer to the given byte array
java.nio.ByteBuffer	getByteBuffer()
int	getCapacity()
int	getSize()
void	setSize(int size)

Methods inherited from class java.lang.Object

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

Constructor Detail

DataBuffer

public DataBuffer(java.nio.ByteBuffer buffer)

Create a buffer

Parameters:

buffer - the underlying byte buffer

Method Detail

setSize

public void setSize(int size)

getCapacity

public int getCapacity()

getSize

public int getSize()

getByteBuffer

public java.nio.ByteBuffer getByteBuffer()

copyPartToByteArray

public int copyPartToByteArray(int bufferLocation,
                               byte[] value,
                               int startIndex,
                               int byteLength)

Copies a part of the ByteBuffer to the given byte array

Parameters:

bufferLocation - starting position of byteBuffer

value - byte array to copy data

startIndex - initial index of the byte array

byteLength - no of bytes top copy

Returns:

amount of bytes read