org.evosuite.ga.stoppingconditions

Class ZeroFitnessStoppingCondition

java.lang.Object

org.evosuite.ga.stoppingconditions.StoppingConditionImpl

org.evosuite.ga.stoppingconditions.ZeroFitnessStoppingCondition

All Implemented Interfaces:

Serializable, SearchListener, StoppingCondition

public class ZeroFitnessStoppingCondition
extends StoppingConditionImpl

Stop the search when the fitness has reached 0 (assuming minimization)

Author:

Gordon Fraser

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ZeroFitnessStoppingCondition()

Method Summary

Modifier and Type	Method and Description
void	forceCurrentValue(long value) Force a specific amount of used up budget.
long	getCurrentValue() How much of the budget have we used up
long	getLimit() Get upper limit of resources Mainly used for toString()
boolean	isFinished() isFinished
void	iteration(GeneticAlgorithm<?> algorithm) Called after each iteration of the search
void	reset() Reset everything
void	setFinished() setFinished
void	setLimit(long limit) Set new upper limit of resources

Methods inherited from class org.evosuite.ga.stoppingconditions.StoppingConditionImpl

fitnessEvaluation, getType, getValueString, modification, searchFinished, searchStarted, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ZeroFitnessStoppingCondition

public ZeroFitnessStoppingCondition()

Method Detail

iteration

public void iteration(GeneticAlgorithm<?> algorithm)

Called after each iteration of the search Update information on currently lowest fitness

Specified by:

iteration in interface SearchListener

Overrides:

iteration in class StoppingConditionImpl

Parameters:

algorithm - a GeneticAlgorithm object.

isFinished

public boolean isFinished()

isFinished

Returns true if best individual has fitness <= 0.0

Returns:

a boolean.

reset

public void reset()

Reset everything Reset currently observed best fitness

setLimit

public void setLimit(long limit)

Set new upper limit of resources

Parameters:

limit - a long.

getLimit

public long getLimit()

Get upper limit of resources Mainly used for toString()

Returns:

limit

getCurrentValue

public long getCurrentValue()

How much of the budget have we used up

Returns:

a long.

setFinished

public void setFinished()

setFinished

forceCurrentValue

public void forceCurrentValue(long value)

Force a specific amount of used up budget. Handle with care!

Parameters:

value - The new amount of used up budget for this StoppingCondition