source: source/ariba/utility/system/SystemEventType.h @ 5926

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//
// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)
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// 1. Redistributions of source code must retain the above copyright
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// [License]

#ifndef SYSTEMEVENTTYPE_H_
#define SYSTEMEVENTTYPE_H_

#include <iostream>
#include <vector>
#include <string>
#include <boost/cstdint.hpp>
#include <boost/foreach.hpp>

using std::string;
using std::vector;
using std::ostream;

namespace ariba {
namespace utility {

class SystemEventType {
public:
        typedef uint16_t eventid_t;
        static const SystemEventType DEFAULT;

private:
        eventid_t id;

private:
        class Descriptor {
        public:
                string description;
                eventid_t parent;

                Descriptor(string _d, eventid_t _p = 0) :
                        description(_d), parent(_p) {
                }
                
                Descriptor(const Descriptor& rh) 
                        : description( rh.description ), parent( rh.parent ) {
                }

                ~Descriptor() {
                }
        };
        static vector<Descriptor> ids;

        inline SystemEventType(eventid_t mtype) :
                id(mtype) {
        }

public:
        inline SystemEventType(string description,
                        const SystemEventType parent = DEFAULT) {
                if (ids.size() == 0) ids.push_back(Descriptor(
                                "<Default SystemEvent>", DEFAULT.id));
                id = (eventid_t) ids.size();
                ids.push_back(Descriptor(description, parent.id));
        }

        inline SystemEventType() {
                id = 0;
                if (ids.size() == 0) ids.push_back(Descriptor(
                                "<Default SystemEvent>", DEFAULT.id));
        }

        inline SystemEventType(const SystemEventType& evtType) {
                this->id = evtType.id;
        }

        inline ~SystemEventType() {
        }

        inline string getDescription() const {
                return ids[id].description;
        }

        inline const SystemEventType getParent() const {
                return SystemEventType(ids[id].parent);
        }

        inline const int getDepth() const {
                int i = 0;
                SystemEventType type = *this;
                while (type != SystemEventType::DEFAULT) {
                        type = type.getParent();
                        i++;
                }
                return i;
        }

        inline const eventid_t getId() const {
                return id;
        }

        inline SystemEventType& operator=(const SystemEventType& evtType) {
                this->id = evtType.id;
                return *this;
        }

        inline bool operator==(const SystemEventType& evtType) const {
                return id == evtType.id;
        }

        inline bool operator!=(const SystemEventType& evtType) const {
                return id != evtType.id;
        }

        inline bool operator>(const SystemEventType& evtType) const {
                SystemEventType t = *this;
                while (t.getParent() != evtType && t.getParent() != DEFAULT)
                        t = t.getParent();
                return (t.getParent() == evtType && t != evtType);
        }

        inline bool operator<(const SystemEventType& evtType) const {
                SystemEventType t = evtType;
                while (t.getParent() != *this && t.getParent() != DEFAULT)
                        t = t.getParent();
                return (t.getParent() == *this && t != *this);
        }

        inline bool isDefault() {
                return ( id == 0 );
        }

};

ostream& operator<<(ostream& stream, SystemEventType type);

}} // spovnet, common

#endif /* SYSTEMEVENTTYPE_H_ */