109 lines
3.3 KiB
C++
109 lines
3.3 KiB
C++
#ifndef OSRM_ENGINE_DATAFACADE_PROVIDER_HPP
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#define OSRM_ENGINE_DATAFACADE_PROVIDER_HPP
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#include "engine/data_watchdog.hpp"
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#include "engine/datafacade.hpp"
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#include "engine/datafacade/contiguous_internalmem_datafacade.hpp"
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#include "engine/datafacade/mmap_memory_allocator.hpp"
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#include "engine/datafacade/process_memory_allocator.hpp"
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#include "engine/datafacade_factory.hpp"
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namespace osrm
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{
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namespace engine
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{
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namespace detail
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{
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template <typename AlgorithmT, template <typename A> class FacadeT> class DataFacadeProvider
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{
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public:
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using Facade = FacadeT<AlgorithmT>;
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virtual ~DataFacadeProvider() = default;
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virtual std::shared_ptr<const Facade> Get(const api::BaseParameters &) const = 0;
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virtual std::shared_ptr<const Facade> Get(const api::TileParameters &) const = 0;
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};
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template <typename AlgorithmT, template <typename A> class FacadeT>
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class ExternalProvider final : public DataFacadeProvider<AlgorithmT, FacadeT>
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{
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public:
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using Facade = typename DataFacadeProvider<AlgorithmT, FacadeT>::Facade;
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ExternalProvider(const storage::StorageConfig &config,
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const boost::filesystem::path &memory_file)
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: facade_factory(std::make_shared<datafacade::MMapMemoryAllocator>(config, memory_file))
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{
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}
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std::shared_ptr<const Facade> Get(const api::TileParameters ¶ms) const override final
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{
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return facade_factory.Get(params);
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}
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std::shared_ptr<const Facade> Get(const api::BaseParameters ¶ms) const override final
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{
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return facade_factory.Get(params);
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}
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private:
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DataFacadeFactory<FacadeT, AlgorithmT> facade_factory;
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};
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template <typename AlgorithmT, template <typename A> class FacadeT>
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class ImmutableProvider final : public DataFacadeProvider<AlgorithmT, FacadeT>
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{
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public:
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using Facade = typename DataFacadeProvider<AlgorithmT, FacadeT>::Facade;
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ImmutableProvider(const storage::StorageConfig &config)
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: facade_factory(std::make_shared<datafacade::ProcessMemoryAllocator>(config))
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{
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}
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std::shared_ptr<const Facade> Get(const api::TileParameters ¶ms) const override final
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{
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return facade_factory.Get(params);
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}
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std::shared_ptr<const Facade> Get(const api::BaseParameters ¶ms) const override final
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{
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return facade_factory.Get(params);
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}
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private:
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DataFacadeFactory<FacadeT, AlgorithmT> facade_factory;
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};
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template <typename AlgorithmT, template <typename A> class FacadeT>
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class WatchingProvider : public DataFacadeProvider<AlgorithmT, FacadeT>
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{
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DataWatchdog<AlgorithmT, FacadeT> watchdog;
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public:
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using Facade = typename DataFacadeProvider<AlgorithmT, FacadeT>::Facade;
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std::shared_ptr<const Facade> Get(const api::TileParameters ¶ms) const override final
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{
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return watchdog.Get(params);
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}
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std::shared_ptr<const Facade> Get(const api::BaseParameters ¶ms) const override final
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{
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return watchdog.Get(params);
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}
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};
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}
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template <typename AlgorithmT>
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using DataFacadeProvider = detail::DataFacadeProvider<AlgorithmT, DataFacade>;
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template <typename AlgorithmT>
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using WatchingProvider = detail::WatchingProvider<AlgorithmT, DataFacade>;
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template <typename AlgorithmT>
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using ImmutableProvider = detail::ImmutableProvider<AlgorithmT, DataFacade>;
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template <typename AlgorithmT>
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using ExternalProvider = detail::ExternalProvider<AlgorithmT, DataFacade>;
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}
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}
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#endif
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