Class ReloadDepotSegment

pyvrp/cpp/search/RelocateWithDepot.cpp:15–51

* Simple wrapper class that implements the required evaluation interface for * a single reload depot. */

 * a single reload depot.
 */
class ReloadDepotSegment
{
    pyvrp::ProblemData const &data_;
    size_t depot_;

public:
    ReloadDepotSegment(pyvrp::ProblemData const &data, size_t depot)
        : data_(data), depot_(depot)
    {
        assert(depot < data.numDepots());  // must be an actual depot
    }

    pyvrp::search::Route const *route() const { return nullptr; }

    size_t first() const { return depot_; }
    size_t last() const { return depot_; }
    size_t size() const { return 1; }

    bool startsAtReloadDepot() const { return true; }
    bool endsAtReloadDepot() const { return true; }

    pyvrp::Distance distance([[maybe_unused]] size_t profile) const
    {
        return 0;
    }

    pyvrp::DurationSegment duration([[maybe_unused]] size_t profile) const
    {
        pyvrp::ProblemData::Depot const &depot = data_.location(depot_);
        return {depot, 0};  // service is handled while evaluating proposal
    }

    pyvrp::LoadSegment load([[maybe_unused]] size_t dimension) const
    {
        return {};
    }
};
}  // namespace

void RelocateWithDepot::evalDepotBefore(Cost fixedCost,