random_successor_sampler_impl.h

#include "probfd/successor_samplers/random_successor_sampler.h"
 
#include "downward/utils/rng.h"
 
namespace probfd::successor_samplers {
 
template <typename Action>
RandomSuccessorSampler<Action>::RandomSuccessorSampler(int random_seed)
    : rng_(std::make_shared<utils::RandomNumberGenerator>(random_seed))
{
}
 
template <typename Action>
RandomSuccessorSampler<Action>::RandomSuccessorSampler(
    std::shared_ptr<utils::RandomNumberGenerator> rng)
    : rng_(std::move(rng))
{
}
 
template <typename Action>
StateID RandomSuccessorSampler<Action>::sample(
    StateID,
    Action,
    const Distribution<StateID>& successors,
    algorithms::StateProperties&)
{
    return successors.sample(*rng_)->item;
}
 
} // namespace probfd::successor_samplers