MRRGProcedureCache.h

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/*******************************************************************************
 * The software programs comprising "CGRA-ME" and the documentation provided
 * with them are copyright by its authors and the University of Toronto. Only
 * non-commercial, not-for-profit use of this software is permitted without ex-
 * plicit permission. This software is provided "as is" with no warranties or
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 * <http://cgra-me.ece.utoronto.ca/license/>.
 ******************************************************************************/
 
#ifndef MRRG_PROCEDURE_CACHE__H_
#define MRRG_PROCEDURE_CACHE__H_
 
#include <memory>
 
class MRRGProcedureCache;
class MRRGProcedureCacheHandle {
public:
    MRRGProcedureCacheHandle();
    MRRGProcedureCacheHandle(const MRRGProcedureCacheHandle&);
    MRRGProcedureCacheHandle(MRRGProcedureCacheHandle&&);
    ~MRRGProcedureCacheHandle();
 
    MRRGProcedureCacheHandle& operator=(const MRRGProcedureCacheHandle&);
    MRRGProcedureCacheHandle& operator=(MRRGProcedureCacheHandle&&);
 
    explicit operator bool() const { return (bool)impl_ptr; }
    MRRGProcedureCache& operator*() const { return *impl_ptr; }
    MRRGProcedureCache* operator->() const { return get(); }
 
    MRRGProcedureCache* get() const { return impl_ptr.get(); }
    MRRGProcedureCache& getOrCreate();
    void reset() { impl_ptr.reset(); }
private:
    std::shared_ptr<MRRGProcedureCache> impl_ptr;
};
 
#endif /* MRRG_PROCEDURE_CACHE__H_ */