org.evosuite.ga.stoppingconditions

Class TimeDeltaStoppingCondition

java.lang.Object

org.evosuite.ga.stoppingconditions.StoppingConditionImpl

org.evosuite.ga.stoppingconditions.TimeDeltaStoppingCondition

All Implemented Interfaces:

Serializable, SearchListener, StoppingCondition

public class TimeDeltaStoppingCondition
extends StoppingConditionImpl

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected double	lastFitness Best fitness value observed so far
protected long	lastGeneration Time at which the fitness value was last checked
protected long	lastImprovement Time at which the best fitness value was last improved
protected long	startTime Assume the search has not started until start_time != 0

Constructor Summary

Constructors

Constructor and Description
TimeDeltaStoppingCondition()

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	searchStarted(GeneticAlgorithm<?> algorithm) Called when a new search is started
void	setLimit(long limit) Set new upper limit of resources

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

fitnessEvaluation, getType, getValueString, modification, searchFinished, toString

Methods inherited from class java.lang.Object

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

Field Detail

startTime

protected long startTime

Assume the search has not started until start_time != 0

lastImprovement

protected long lastImprovement

Time at which the best fitness value was last improved

lastGeneration

protected long lastGeneration

Time at which the fitness value was last checked

lastFitness

protected double lastFitness

Best fitness value observed so far

Constructor Detail

TimeDeltaStoppingCondition

public TimeDeltaStoppingCondition()

Method Detail

searchStarted

public void searchStarted(GeneticAlgorithm<?> algorithm)

Called when a new search is started

Specified by:

searchStarted in interface SearchListener

Overrides:

searchStarted in class StoppingConditionImpl

Parameters:

algorithm - a GeneticAlgorithm object.

iteration

public void iteration(GeneticAlgorithm<?> algorithm)

Description copied from class: StoppingConditionImpl

Called after each iteration of the search

Specified by:

iteration in interface SearchListener

Overrides:

iteration in class StoppingConditionImpl

Parameters:

algorithm - a GeneticAlgorithm object.

getCurrentValue

public long getCurrentValue()

How much of the budget have we used up

Returns:

a long.

isFinished

public boolean isFinished()

isFinished

Returns:

a boolean.

reset

public void reset()

Reset everything

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

forceCurrentValue

public void forceCurrentValue(long value)

Description copied from interface: StoppingCondition

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

Parameters:

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