66 lines
1.9 KiB
C++
66 lines
1.9 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/process_memory_allocator.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 = 0;
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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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: immutable_data_facade(std::make_shared<Facade>(
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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 override final { return immutable_data_facade; }
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private:
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std::shared_ptr<const Facade> immutable_data_facade;
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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> 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 override final { return watchdog.Get(); }
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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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}
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}
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#endif
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