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#ifndef GeneratorInterface_Herwig7Interface_Proxy_h
#define GeneratorInterface_Herwig7Interface_Proxy_h
#include <memory>
namespace ThePEG {
// forward declarations
class LHEEvent;
class LHERunInfo;
template <class T>
class Proxy;
class ProxyBase {
public:
typedef unsigned long ProxyID;
// not allowed and not implemented
ProxyBase(const ProxyBase &orig) = delete;
ProxyBase &operator=(const ProxyBase &orig) = delete;
virtual ~ProxyBase();
ProxyID getID() const { return id; }
private:
typedef ProxyBase *(*ctor_t)(ProxyID id);
template <class T>
friend class Proxy;
ProxyBase(ProxyID id);
static std::shared_ptr<ProxyBase> create(ctor_t ctor);
static std::shared_ptr<ProxyBase> find(ProxyID id);
const ProxyID id;
};
template <class T>
class Proxy : public ProxyBase {
public:
typedef Proxy Base;
static inline std::shared_ptr<T> create() { return std::static_pointer_cast<T>(ProxyBase::create(&Proxy::ctor)); }
static inline std::shared_ptr<T> find(ProxyID id) { return std::dynamic_pointer_cast<T>(ProxyBase::find(id)); }
protected:
inline Proxy(ProxyID id) : ProxyBase(id) {}
private:
static ProxyBase *ctor(ProxyID id) { return new T(id); }
};
} // namespace ThePEG
#endif // GeneratorProxy_Herwig7Interface_Proxy_h
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