ResultsCache.h

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#ifndef CARMA_DBMS_RESULTSCACHE_H
#define CARMA_DBMS_RESULTSCACHE_H

#include <string>
#include <map>
#include "carma/dbms/Column.h"
#include "carma/dbms/Typedefs.h"
#include "carma/util/Logger.h"
#include "carma/util/PthreadMutex.h"

namespace carma {
    namespace dbms {

        class DBConnection;
        class DBConfigurator;
        class Table;
class ResultsCache {
public:


    static ResultsCache& getCache(const DBConnection * const dbc=NULL);

    static void closeCache();

    static bool cacheExists();

    //const carma::dbms::ID2MDMap& getMonitorConfigurations();
    
    const carma::dbms::Table& getFullMonitorConfigurationTable();

    const carma::dbms::Table& getCurrentMonitorConfigurationTable();

    const std::map<int,std::string>& getTagIDToNameMap() const;

    //const carma::dbms::Column<int>& getAllTagIDs();

    //const carma::dbms::Table& getMonitorDataTableIndexTable();

    void cache(const std::string& identifier, const carma::dbms::Table& table);

    const carma::dbms::Table& getTable(const std::string& identifier) const;
    
    bool tableIDExists(const std::string identifier) const;

protected:
    ResultsCache();
    ResultsCache(const carma::dbms::DBConnection* const dbc);

    
private:
    //static carma::dbms::ID2MDMap *tagID2MD_;
    const static carma::dbms::Table *fullMCTable_;
    const static carma::dbms::Table *currentMCTable_;
    //const static carma::dbms::Column<int> *allTagIDs_;
    const carma::dbms::DBConnection *dbc_;
    log4cpp::Category& logger_;
    // number of clients currently using the singleton
    static ResultsCache *resultsCache_;
    static std::map<std::string,carma::dbms::Table> * tableCache_;
    static std::map<int,std::string> * tagIDToNameMap_;

    static carma::util::PthreadMutex resultsCacheMutex_;
    
};

}}


#endif // CARMA_DBMS_RESULTSCACHE_H