MaxAggregator.hh

// Copyright QED Software 2023.
 
#ifndef GRAIL_MAX_AGGREGATOR_H
#define GRAIL_MAX_AGGREGATOR_H
 
#include <cmath>
#include "Aggregator.hh"
 
namespace grail
{
namespace evaluator
{
 template <typename ContextType>
 class MaxAggregator : public Aggregator<ContextType>
 {
 public:
 MaxAggregator(const std::vector<std::shared_ptr<Evaluator<ContextType>>>& childEvaluators)
 : Aggregator<ContextType>{childEvaluators}
 {
 }
 
 virtual data::EvaluatorType GetEvaluatorType() const override final { return data::EvaluatorType::AGGREGATOR_MAX; }
 
 protected:
 virtual float
 Evaluate(const ContextType& context, data::UtilityEvaluatorSnapshot* const snapshot) const override final
 {
 float weight = std::numeric_limits<float>::min();
 for(const auto& evaluator : this->childEvaluators)
 {
 float current = evaluator->EvaluateContext(context, snapshot);
 weight = std::max(weight, current);
 }
 return weight;
 }
 };
}
}
 
#endif