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#pragma once
#include "indexer/data_source.hpp"
#include "indexer/scales.hpp"
#include "base/assert.hpp"
#include "base/macros.hpp"
#include "base/thread_checker.hpp"
#include <memory>
#include <utility>
class FeatureType;
struct FeatureID;
namespace search
{
class FeatureLoader
{
public:
explicit FeatureLoader(DataSource const & dataSource);
std::unique_ptr<FeatureType> Load(FeatureID const & id);
void Reset();
void ForEachInRect(m2::RectD const & rect, std::function<void(FeatureType &)> const & fn)
{
ASSERT(m_checker.CalledOnOriginalThread(), ());
m_dataSource.ForEachInRect(fn, rect, scales::GetUpperScale());
}
private:
DataSource const & m_dataSource;
std::unique_ptr<FeaturesLoaderGuard> m_guard;
ThreadChecker m_checker;
};
} // namespace search
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