protected override MutationMemory Remember(ParameterSet initialExample, ParameterSet mutatedExample)
{
string focusPath = mutatedExample.GetDifference(initialExample).FieldPath;
MutationMemory memory = new MutationMemory();
memory.Lifetime = memory.ResetLifetime = 10;
memory.Mutate = delegate(ParameterSet initial)
{
ParameterSet mutated = initial.Clone();
ParameterValue parameter = mutated.Get(focusPath);
Mutate(parameter);
return mutated;
};
memory.IsRelevant = (initial, mutated) => mutated.GetDifference(initial).FieldPath == focusPath;
return memory;
}
protected override IEnumerable <MutationMemory> InitializeMemory()
{
foreach (string parameterPath in ParameterPaths)
{
string parameterPathCopy = parameterPath;
MutationMemory memory = new MutationMemory();
memory.Lifetime = memory.ResetLifetime = 20;
memory.Mutate = delegate(ParameterSet initial)
{
ParameterSet mutated = initial.Clone();
ParameterValue parameter = mutated.Get(parameterPathCopy);
Mutate(parameter);
return(mutated);
};
memory.IsRelevant = (initial, mutated) => mutated.GetDifference(initial).FieldPath == parameterPathCopy;
yield return(memory);
}
}
public ParameterSet Mutate(ParameterSet initial)
{
var advices = (from advisor in Advisors
from repeat in Enumerable.Range(0, MultipleAdvices)
from advice in advisor.Advise(initial)
select advice).ToList();
AdjustExtractorWeight(advices);
ParameterSet mutated = PickAdvice(advices).Mutated;
string mutatedPath = mutated.GetDifference(initial).FieldPath;
if (OnMutation != null)
{
OnMutation(initial.Get(mutatedPath), mutated.Get(mutatedPath));
}
return(mutated);
}