ds.funnel.traffic.component.sizedistribution

Class RegularSizeDistribution

java.lang.Object

ds.funnel.traffic.component.sizedistribution.RegularSizeDistribution

All Implemented Interfaces:

PacketSizeDistribution

public class RegularSizeDistribution
extends java.lang.Object
implements PacketSizeDistribution

RegularSizeDistribution defines a PacketSizeDistribution in which all packets sent have some constant size. This size can be specified on instantiation or later; or a default value may be used.

Author:

Kira Lindburg

Constructor Summary

Constructors

Constructor and Description
RegularSizeDistribution() Creates a new RegularSizeDistribution with a default size value of 100 bytes.
RegularSizeDistribution(int size) Creates a new RegularSizeDistribution with the given size (in bytes).s

Method Summary

Modifier and Type	Method and Description
int	getSize()
int	getType()
int	nextSize() Since packets following a regular size distribution have constant size, this method simply returns the current size value for this RegularSizeDistribution.
void	setSize(int newSize) Sets the packet size for this regular size distribution to the given value, if it is valid (a positive value).

Methods inherited from class java.lang.Object

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

Constructor Detail

RegularSizeDistribution

public RegularSizeDistribution()

Creates a new RegularSizeDistribution with a default size value of 100 bytes.

RegularSizeDistribution

public RegularSizeDistribution(int size)

Creates a new RegularSizeDistribution with the given size (in bytes).s

Method Detail

getSize

public int getSize()

Returns:

the current packet size for this regular size distribution

setSize

public void setSize(int newSize)

Sets the packet size for this regular size distribution to the given value, if it is valid (a positive value).

Parameters:

newSize - the desired new size, in bytes

Throws:

java.lang.IllegalArgumentException - if newSize is <= 0

getType

public int getType()

Specified by:

getType in interface PacketSizeDistribution

Returns:

an integer id number specifying the type of distribution. This should be a unique identifier for the type of size distribution generated by a given PacketSizeDistribution.

nextSize

public int nextSize()

Since packets following a regular size distribution have constant size, this method simply returns the current size value for this RegularSizeDistribution.

Specified by:

nextSize in interface PacketSizeDistribution

Returns:

a size, in bytes, for the next packet to be sent following some specified distribution pattern