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Add datafacade factory to select avoid flags
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,88 @@ | ||
| #ifndef OSRM_ENGINE_DATAFACADE_FACTORY_HPP | ||
| #define OSRM_ENGINE_DATAFACADE_FACTORY_HPP | ||
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| #include "extractor/class_data.hpp" | ||
| #include "extractor/profile_properties.hpp" | ||
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| #include "engine/api/base_parameters.hpp" | ||
| #include "engine/api/tile_parameters.hpp" | ||
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| #include "util/integer_range.hpp" | ||
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| #include "storage/shared_datatype.hpp" | ||
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| #include <array> | ||
| #include <memory> | ||
| #include <unordered_map> | ||
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| namespace osrm | ||
| { | ||
| namespace engine | ||
| { | ||
| // This class selects the right facade for | ||
| template <typename FacadeT> class DataFacadeFactory | ||
| { | ||
| public: | ||
| DataFacadeFactory() = default; | ||
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| template <typename AllocatorT> DataFacadeFactory(std::shared_ptr<AllocatorT> allocator) | ||
| { | ||
| for (const auto index : util::irange<std::size_t>(0, facades.size())) | ||
| { | ||
| facades[index] = std::make_shared<FacadeT>(allocator, index); | ||
| } | ||
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| properties = allocator->GetLayout().template GetBlockPtr<extractor::ProfileProperties>( | ||
| allocator->GetMemory(), storage::DataLayout::PROPERTIES); | ||
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| for (const auto index : util::irange<std::size_t>(0, properties->class_names.size())) | ||
| { | ||
| const std::string name = properties->GetClassName(index); | ||
| if (!name.empty()) | ||
| { | ||
| name_to_class[name] = extractor::getClassData(index); | ||
| } | ||
| } | ||
| } | ||
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| std::shared_ptr<FacadeT> Get(const api::TileParameters &) const | ||
| { | ||
| return facades[0]; | ||
| } | ||
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| std::shared_ptr<FacadeT> Get(const api::BaseParameters ¶ms) const | ||
| { | ||
| if (params.avoid.empty()) | ||
| return facades[0]; | ||
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| extractor::ClassData mask = 0; | ||
| for (const auto &name : params.avoid) | ||
| { | ||
| auto class_mask_iter = name_to_class.find(name); | ||
| if (class_mask_iter != name_to_class.end()) | ||
| { | ||
| mask |= class_mask_iter->second; | ||
| } | ||
| } | ||
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| auto avoid_iter = std::find( | ||
| properties->avoidable_classes.begin(), properties->avoidable_classes.end(), mask); | ||
| if (avoid_iter != properties->avoidable_classes.end()) | ||
| { | ||
| auto avoid_index = std::distance(properties->avoidable_classes.begin(), avoid_iter); | ||
| return facades[avoid_index]; | ||
| } | ||
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| // FIXME We need proper error handling here | ||
| return {}; | ||
| } | ||
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| private: | ||
| std::array<std::shared_ptr<FacadeT>, extractor::MAX_AVOIDABLE_CLASSES> facades; | ||
| std::unordered_map<std::string, extractor::ClassData> name_to_class; | ||
| const extractor::ProfileProperties *properties = nullptr; | ||
| }; | ||
| } | ||
| } | ||
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| #endif |
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