successor_generator.h

#ifndef TASK_UTILS_SUCCESSOR_GENERATOR_H
#define TASK_UTILS_SUCCESSOR_GENERATOR_H
 
#include "downward/per_task_information.h"
 
#include <memory>
#include <vector>
 
class OperatorID;
class State;
class PlanningTaskProxy;
 
namespace successor_generator {
class GeneratorBase;
 
class SuccessorGenerator {
    std::unique_ptr<GeneratorBase> root;
 
public:
    explicit SuccessorGenerator(const PlanningTaskProxy& task_proxy);
    /*
      We cannot use the default destructor (implicitly or explicitly)
      here because GeneratorBase is a forward declaration and the
      incomplete type cannot be destroyed.
    */
    ~SuccessorGenerator();
 
    void generate_applicable_ops(
        const State& state,
        std::vector<OperatorID>& applicable_ops) const;
};
 
extern PerTaskInformation<SuccessorGenerator> g_successor_generators;
} // namespace successor_generator
 
#endif