BatchFlatfileStorage.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 BATCHFLATFILESTORAGE_H
#define BATCHFLATFILESTORAGE_H

#include "../BatchStorageBase.h"
#include <fstream>

#include "../../Template/TemplateParser.h"

//TODO: 
// 1. La eroare de formatare, pune in Mq pana la linia respectiva
//              dupa care muta fisierul in ErrorPath si trimite mesaje de eroare
// 2. Daca este eroare pe prima linie dupa schimbarea Chunk-ului 
//              ultimul mesaj bun nu il pune
//

namespace FinTP
{
        class ExportedObject BatchFlatfileStorage : public BatchStorageBase
        {
                public:
                
                        BatchFlatfileStorage();
                        ~BatchFlatfileStorage();
                        
                        void enqueue( BatchResolution& resolution );
                        BatchItem dequeue();
                        
                        // open/close storage
                        void open( const string& storageId, ios_base::openmode openMode );      
                        void close( const string& storageId );
                        
                        void commit() {}
                        void rollback() {};

                        long size() const { return 0; }
                                
                        // particular flags/sets
                        void setTemplate( const string& templateFilename );
                        void setBufferSize( const unsigned long buffsize ){ m_ChunkSize = buffsize; }
                        
                private :
                
                        TemplateParser m_Parser;
                        // m_CrtStorage is the batch file under construction or under parse
                        fstream m_CrtStorage;
                        // m_CrtIndex = index in the current chunk, at the end of the current match
                        unsigned long m_CrtIndex, m_CrtSequence, m_ChunkSize, m_BufferLength;
                        unsigned char* m_Buffer;
                        
                        //m_NextItem is the next message 
                        BatchItem m_NextItem;
                        string m_CrtStorageId;
        };
}

#endif // BATCHFLATFILESTORAGE_H