ParameterRuntimeContext.h

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#ifndef PARAMETER_RUNTIME_CONTEXT_H
#define PARAMETER_RUNTIME_CONTEXT_H
 
#include <map>
#include <memory>
#include <unordered_set>
#include <vector>
 
#include "BlockAccessor.h"
#include "config.hpp"
 
class Parameters;
 
class ParameterRuntimeContext {
public:
    ParameterRuntimeContext();
 
    std::shared_ptr<Parameters> get_parameters(ParameterType id);
    std::shared_ptr<BlockAccessor> extract_blocks(const std::unordered_set<BlockName>& block_names) const;
    std::unordered_set<BlockName> available_input_blocks() const;
    const std::vector<ParameterType>& parameter_types() const;
 
    static ParameterRuntimeContext* current();
 
private:
    std::shared_ptr<BlockAccessor> local_input_cache_;
    std::map<ParameterType, std::shared_ptr<Parameters>> local_instances_;
    std::vector<ParameterType> parameter_types_;
 
    static thread_local ParameterRuntimeContext* current_;
 
    friend class ScopedParameterRuntimeContext;
};
 
class ScopedParameterRuntimeContext {
public:
    explicit ScopedParameterRuntimeContext(ParameterRuntimeContext& ctx);
    ~ScopedParameterRuntimeContext();
 
    ScopedParameterRuntimeContext(const ScopedParameterRuntimeContext&) = delete;
    ScopedParameterRuntimeContext& operator=(const ScopedParameterRuntimeContext&) = delete;
 
private:
    ParameterRuntimeContext* previous_ = nullptr;
};
 
#endif // PARAMETER_RUNTIME_CONTEXT_H