RelationalDBConnection.hh

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/*
    Copyright (c) 2002-2014 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
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/**
 * @file RelationalDBConnection.hh
 *
 * Class definition of RelationalDBConnection interface.
 *
 * @author Pekka Jääskeläinen 2004 (pekka.jaaskelainen-no.spam-tut.fi)
 *
 * @note rating: red
 */
 
#ifndef TTA_RELATIONAL_DB_CONNECTION_HH
#define TTA_RELATIONAL_DB_CONNECTION_HH
 
#include <string>
 
#include "Exception.hh"
#include "DBTypes.hh"
 
class RelationalDBQueryResult;
 
/**
 * Classes that implement this interface can be used as relational database
 * connection handles.
 */
class RelationalDBConnection {
public:
    virtual ~RelationalDBConnection();
 
    virtual int updateQuery(const std::string& queryString) = 0;
    virtual void DDLQuery(const std::string& queryString) = 0;
    virtual RelationalDBQueryResult* query(
        const std::string& queryString, bool init = true) = 0;
 
    virtual void beginTransaction() = 0;
    virtual void rollback() = 0;
    virtual void commit() = 0;
 
    virtual RowID lastInsertRowID() = 0;
 
    virtual int version() = 0;
    virtual void updateVersion(int version) = 0;
 
    virtual bool tableExistsInDB(const std::string& tableName) = 0;
    virtual int rowCountInTable(const std::string& tableName) = 0;
};
 
#endif