com.sun.faban.driver.engine
Class NegativeExponential

java.lang.Object
  com.sun.faban.driver.engine.Cycle
      com.sun.faban.driver.engine.NegativeExponential

All Implemented Interfaces:

Serializable, Cloneable

public class NegativeExponential
extends Cycle

Implements the negative exponential distribution/selection.

Author:

Akara Sucharitakul

See Also:

Serialized Form

Constructor Summary

NegativeExponential()

Method Summary

long	getDelay(Random random) Randoms/calculates the delay time for a thread based on its supplied random number generator and the actual conditions in the distribution.
double	getHistogramMax() Provides the maximum value to be represented inside a histogram.
void	init(Annotation a) Initializes this cycle according to the annotation.

Methods inherited from class com.sun.faban.driver.engine.Cycle

clone

Methods inherited from class java.lang.Object

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

Constructor Detail

NegativeExponential

public NegativeExponential()

Method Detail

init

public void init(Annotation a)
          throws DefinitionException

Initializes this cycle according to the annotation.

Specified by:

init in class Cycle

Parameters:

a - The annotation

Throws:

DefinitionException - If there is an error in the annotation

getDelay

public long getDelay(Random random)

Randoms/calculates the delay time for a thread based on its supplied random number generator and the actual conditions in the distribution.

Specified by:

getDelay in class Cycle

Parameters:

random - The random number generator used

Returns:

The delay time

getHistogramMax

public double getHistogramMax()

Provides the maximum value to be represented inside a histogram.

Specified by:

getHistogramMax in class Cycle

Returns:

The max reasonable delay to be presented in the output histogram.