AbstractStatePersistence.h

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/*
* FinTP - Financial Transactions Processing Application
* Copyright (C) 2013 Business Information Systems (Allevo) S.R.L.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
* or contact Allevo at : 031281 Bucuresti, 23C Calea Vitan, Romania,
* phone +40212554577, office@allevo.ro <mailto:office@allevo.ro>, www.allevo.ro.
*/

#ifndef ABSTRACTSTATEPERSISTENCE_H
#define ABSTRACTSTATEPERSISTENCE_H

#include <string>
#include <set>

#include "Collections.h"
#include "DllMain.h"

using namespace std;

namespace FinTP
{
        //EXPIMP_TEMPLATE template class ExportedObject std::set< string >;

        class ExportedObject AbstractStatePersistence
        {
                protected :
                        set< string > m_Storages;
                
                        // methods to be overriden by derived classes to implement the actual data storage/retrieval
                        virtual void internalSet( const string& storageKey, DictionaryEntry storageData ) = 0;
                        virtual DictionaryEntry internalGet( const string& storageKey, const string& key ) = 0;

                        virtual int internalGetItemCount( const string& storageKey ) const = 0;
                        
                        virtual void internalInitStorage( const string& storageKey ) = 0;
                        virtual void internalReleaseStorage( const string& storageKey ) = 0;
                        
                        AbstractStatePersistence();
                        
                public :
                
                        virtual ~AbstractStatePersistence();

                        AbstractStatePersistence( const AbstractStatePersistence& source )
                        {
                                m_Storages.clear();
                                m_Storages = source.m_Storages;
                        }

                        AbstractStatePersistence& operator=( const AbstractStatePersistence& source )
                        {
                                if ( this == &source )
                                        return *this;
                                m_Storages.clear();
                                m_Storages = source.m_Storages;
                                return *this;
                        }
                        
                        // storage init/release
                        void InitStorage( const string& storageKey );
                        void ReleaseStorage( const string& storageKey );
                
                        // accessors for string data
                        void Set( const string& storageKey, const string& key, const string& value );
                        string GetString( const string& storageKey, const string& key );
                        
                        // accessors for int data
                        void Set( const string& storageKey, const string& key, const int value );
                        int GetInt( const string& storageKey, const string& key );
                        
                        int getItemCount( const string& storageKey );
        };
}

#endif // ABSTRACTSTATEPERSISTENCE_H