bsstorage.h

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// OSB library ********************************************* -*- C++ -*-
/*
  AUTHOR(S): Tang Boon Leong (tbl)
             Stephan Broennimann (vb)

  RCS information
   $Name: OSB_060808 $
   $Revision: 1.35 $

  License
   OSB rating and billing library for communication networks
   Copyright (C) 2004, 2005, 2006  OSB systems

   This file may be distributed and/or modify under the terms of the
   GNU General Public License (GPL) as published by the Free Software
   Foundation which is provided in the file LICENSE.GPL included in the
   packaging of this file.

   The file 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.

   Holders of a OSB Commercial License may use this file under the terms
   and conditions of this commercial license.
 */
#ifndef _BSSTORAGE_H_
#define _BSSTORAGE_H_

// *********************************************************************
// included header files
// + standard includes
#include <iosfwd>
#include <map>
#include <vector>

// + local headers
#include "cdrlist.h"
#include "contract.h"
#include "balancesheet.h"

// *********************************************************************
// class declarations
namespace OSB_DB {
    class Session;
}

namespace OSB_LIB {
    class BsPage;
    template<typename T> class Id;
}

// *********************************************************************
// namespace extensions
namespace OSB_LIB {

// *********************************************************************
// type definitions

// *********************************************************************
// class definitions
    class BsStorage {
    public:
        // Defined and documented after this class.
        class ContainerIter;
        friend class ContainerIter;

    private:
        struct BsCdrs {
            BsCdrs() {};

            BsCdrs(const Contract::Oid& coId) : bs_(BalanceSheet(coId)) {};

            BalanceSheet bs_;

            CdrList cdrs_;
        };
        typedef std::map<Contract::Oid, BsCdrs> BsMap;

    public:
        BsStorage() : numCdrs_(0) {}
        void reset();

        void insertBs(const Contract::Oid& coId);

        BalanceSheet& getBs(const Contract::Oid& coId);

        void eraseBs(const Contract::Oid& coId);

        void addCdr(const Cdr& cdr);

        void lockBs(
            const OSB_DB::Session& session
        );

        void assignCdrs(
            const OSB_DB::Session& session
        );

        void writeCdrs(
            long             recoveryId,
            OSB_DB::Session& session,
            Asn1Writer&      writer
        );

        void updateBs(
            const OSB_DB::Session& session
        );

        bool restoreCdrs(OSB_DB::Session& session);

        void setUnlocked();

        void clearRecoveryId(const OSB_DB::Session& session);

        void commitCdrs();

        long numBs() const;

        long numCdrs() const { return numCdrs_; }

        ContainerIter containerBegin();

        ContainerIter containerEnd();
    private:
        BsMap bsMap_;
        long numCdrs_;
    };                                  // class BsStorage

    // *****************************************************************
    // class BsStorage::ContainerIter
    class BsStorage::ContainerIter {
    public:
        explicit ContainerIter(BsMap::const_iterator mIter);

        ContainerIter(BsMap::const_iterator mIter,
                      BsMap::const_iterator mIter2);

        const CdrList& operator*() const;

        bool operator==(const ContainerIter& rhs) const;

        bool operator!=(const ContainerIter& rhs) const;

        ContainerIter& operator++();
    private:
        BsMap::const_iterator mIter_;

        BsMap::const_iterator mIterEnd_;
    };                                  // class BsStorage::ContainerIter
}                                       // namespace OSB_LIB
#endif                                  // #ifndef _BSSTORAGE_H_

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