MetadataKey.h

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#ifndef __BUSBOY_METADATA_KEY_H__
#define __BUSBOY_METADATA_KEY_H__

#include "MetadataElement.h"
#include "keys/keys_api.h"

namespace BUSBOY {

class MetadataKeyImpl;

class MetadataKey : public CloneableMetadataElement {


        public:

                MetadataKey();

                MetadataKey(const DataKey& key);

                MetadataKey(const MetadataKey& key);

                DataKey getKey() const;

                MetadataElement::Type getMetadataElementType() const;

                virtual CloneableMetadataElement* clone() const;
                
                MetadataKey& operator=(const MetadataKey& key);

                bool operator==(const MetadataKey& key) const;

                bool operator==(const MetadataElement& element) const;

                bool operator!=(const MetadataKey& key) const;

                bool operator!=(const MetadataElement& element) const;

                ~MetadataKey();

                static const MetadataKey* castToKey(const MetadataElement* element);

                static MetadataKey* castToKey(MetadataElement* element);

                static const MetadataKey& castToKey(const MetadataElement& element);

                static MetadataKey& castToKey(MetadataElement& element);

        private:

                MetadataKeyImpl* m_impl;

};

}
#endif