/data/refman/pasoursint/CMSSW_4_2_9_HLT1_bphpatch4/src/GeneratorInterface/LHEInterface/interface/LHEProxy.h

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#ifndef GeneratorInterface_LHEInterface_LHEProxy_h
#define GeneratorInterface_LHEInterface_LHEProxy_h

#include <boost/shared_ptr.hpp>

namespace lhef {

// forward declarations
class LHEEvent;
class LHERunInfo;

class LHEProxy {
    public:
        typedef unsigned long ProxyID;

        ~LHEProxy();

        const boost::shared_ptr<LHERunInfo> &getRunInfo() const
        { return runInfo; }
        const boost::shared_ptr<LHEEvent> &getEvent() const
        { return event; }

        boost::shared_ptr<LHERunInfo> releaseRunInfo()
        {
                boost::shared_ptr<LHERunInfo> result(runInfo);
                runInfo.reset();
                return result;
        }
        boost::shared_ptr<LHEEvent> releaseEvent()
        {
                boost::shared_ptr<LHEEvent> result(event);
                event.reset();
                return result;
        }

        void clearRunInfo() { runInfo.reset(); }
        void clearEvent() { event.reset(); }

        void loadRunInfo(const boost::shared_ptr<LHERunInfo> &runInfo)
        { this->runInfo = runInfo; }
        void loadEvent(const boost::shared_ptr<LHEEvent> &event)
        { this->event = event; }

        ProxyID getID() const { return id; }

        static boost::shared_ptr<LHEProxy> create();
        static boost::shared_ptr<LHEProxy> find(ProxyID id);

    private:
        LHEProxy(ProxyID id);

        // not allowed and not implemented
        LHEProxy(const LHEProxy &orig);
        LHEProxy &operator = (const LHEProxy &orig);

        const ProxyID                   id;

        boost::shared_ptr<LHERunInfo>   runInfo;
        boost::shared_ptr<LHEEvent>     event;
};

} // namespace lhef

#endif // GeneratorProxy_LHEInterface_LHEProxy_h