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#pragma once
#include "../indexer/index.hpp"
#include "../geometry/rect2d.hpp"
#include "../base/base.hpp"
#include "../base/mutex.hpp"
#include "../base/runner.hpp"
#include "../std/function.hpp"
#include "../std/scoped_ptr.hpp"
#include "../std/string.hpp"
class Reader;
class ModelReaderPtr;
class FeatureType;
namespace search
{
namespace impl { class Query; }
class CategoriesHolder;
class Result;
class Engine
{
public:
typedef Index<ModelReaderPtr>::Type IndexType;
/// Doesn't take ownership of @pIndex. Modifies @categories.
Engine(IndexType const * pIndex, CategoriesHolder & categories);
~Engine();
void Search(string const & query,
m2::RectD const & rect,
function<void (Result const &)> const & f);
void StopEverything();
void OnQueryDelete(impl::Query *);
private:
IndexType const * m_pIndex;
scoped_ptr<CategoriesHolder> m_pCategories;
scoped_ptr<threads::IRunner> m_pRunner;
threads::Mutex m_mutex;
impl::Query * volatile m_pLastQuery;
int volatile m_queriesActive;
};
} // namespace search
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