merge_scoring_function.h

#ifndef MERGE_AND_SHRINK_MERGE_SCORING_FUNCTION_H
#define MERGE_AND_SHRINK_MERGE_SCORING_FUNCTION_H
 
#include <string>
#include <vector>
 
class TaskProxy;
 
namespace utils {
class LogProxy;
}
 
namespace merge_and_shrink {
class FactoredTransitionSystem;
class MergeScoringFunction {
    virtual std::string name() const = 0;
    virtual void dump_function_specific_options(utils::LogProxy &) const {}
 
protected:
    bool initialized;
 
public:
    MergeScoringFunction();
    virtual ~MergeScoringFunction() = default;
    virtual std::vector<double> compute_scores(
        const FactoredTransitionSystem &fts,
        const std::vector<std::pair<int, int>> &merge_candidates) = 0;
    virtual bool requires_init_distances() const = 0;
    virtual bool requires_goal_distances() const = 0;
 
    // Overriding methods must set initialized to true.
    virtual void initialize(const TaskProxy &) {
        initialized = true;
    }
 
    void dump_options(utils::LogProxy &log) const;
};
}
 
#endif