Processor.hpp

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#ifndef PROCESSOR_HPP__
#define PROCESSOR_HPP__

#include <string>
#include <iosfwd>

#include "TObject.h"

class TFile;
class TDirectory;
class TPluginManager;

namespace cafe {

    class Event;
    class Controller;

    class Processor {
    public:
        Processor(const char *name);
        virtual ~Processor();
        
    public:
        // @name Event Processing
        

        virtual void begin();

        virtual void finish();

        virtual void inputFileOpened(TFile *file);

        virtual void inputFileClosing(TFile *file);

        virtual bool processEvent(cafe::Event& event);

        void         incEventCount();

        int          eventCount() const;


        // @name Utility functions


        std::string  name() const;

        std::string  fullName() const;

        std::ostream& out();

        std::ostream& info();

        std::ostream& warn();

        std::ostream& err();

        unsigned int debug() const;

        virtual void setDebug(unsigned int level);

        TDirectory *getDirectory() const;

        Processor  *getParent() const;


        std::string resolve(const std::string& name, bool recurse = true) const;

        std::string replace(const std::string& input, bool recurse = true) const;


        // @name Creation


        static Processor* Create(const std::string& className, const std::string& instance = "");


    protected:

        Processor();

        friend class Controller;

        void        setDirectory(TDirectory *dir);
        void        setParent(Processor *parent);

    private:
        unsigned int _eventCount;
        unsigned int _debug;
        std::string  _name;
        mutable TDirectory   *_directory;
        Processor            *_parent;
    public:
        ClassDef(Processor, 0);
    };

}

#endif // PROCESSOR_HPP__

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