DataKey.h

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#ifndef __BUSBOY_DATA_KEY_H__
#define __BUSBOY_DATA_KEY_H__

#include <set>
#include <string>
#include <ostream>

#include "DataKeyDimension.h"
#include "DataKeyElement.h"

namespace BUSBOY {

class DataKeyImpl;

class DataKey {

        public:

                DataKey();

                DataKey(const DataKeyElement& element);

                DataKey(
                        const DataKeyElement& element1,
                        const DataKeyElement& element2
                );

                DataKey(
                        const DataKeyElement& element1,
                        const DataKeyElement& element2,
                        const DataKeyElement& element3
                );

                DataKey(const std::set<DataKeyElement>& elements);

                DataKey(const DataKey& key);

                std::set<DataKeyDimension> getDimensions() const;

                size_t getElementCount() const;

                bool hasDimension(const DataKeyDimension& dim) const;

                bool hasElement(const DataKeyElement& element) const;

                std::set<DataKeyElement> getElements() const;

                DataKeyElement getElement(const DataKeyDimension& dim) const;

                std::string str() const;

                std::string toName(const std::string& delim) const;

                ~DataKey();

                DataKey& operator=(const DataKey& key);

                bool operator==(const DataKey& key) const;
                bool operator!=(const DataKey& key) const;
                bool operator<(const DataKey& key) const;

        private:

                DataKeyImpl* m_impl;


};

std::ostream& operator<<(std::ostream& os, const DataKey& key);

}

#endif