Dataset.h

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#ifndef __BUSBOY_DATASET_H__
#define __BUSBOY_DATASET_H__

#include <map>
#include <memory>

#include "DataFile.h"
#include "DatasetContext.h"
#include "keys/keys_api.h"
#include "metadata/metadata_api.h"

namespace BUSBOY {


class DatasetImpl;

class Dataset {

        public:

                Dataset();

                DataFile* getDataFile(const DataKey& key) const;

                
                RandomAccessFile* getDataFileForRandomAccess(const DataKey& key) const;

                void addDataFile(const DataKey& key, DataFile* file);

                WritableRandomAccessFile* addDataFileForRandomAccess(const DataKey& key, DataFile* file);

                bool hasDataFile(const DataKey& key) const;

                std::set<DataKey> getAllFileKeys() const;

                MetadataMap* getMetadata(const DataKey& key) const;

                void addMetadata(const DataKey& key, MetadataMap* meta);

                bool hasMetadata(const DataKey& key) const;

                std::set<DataKey> getAllMetadataKeys() const;

                void release();

                void setContext(DatasetContext* context);

                void setGlobalKeyspace(const Keyspace& keyspace);

                std::string getDataFileName(const DataKey& key) const;


                const Keyspace& getKeyspace() const;

                const Keyspace& getFilesKeyspace() const;

                const Keyspace& getMetadataKeyspace() const;
        
                void generateKeyspaces();

                bool isQueryOnly();

                bool operator==(const Dataset& dataset) const;

                bool operator!=(const Dataset& dataset) const;

                ~Dataset();

                static void copySourceToSink(std::shared_ptr<DataFileSource> src, DataFileSink* sink);

        private:

                DatasetImpl* m_impl;

                // prevent calling these
                Dataset(const Dataset& dataset);
                Dataset& operator=(const Dataset& dataset);

};

}
#endif