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/*************************************************************************

 * @file

 *  For LWP filter architecture prototype

 ************************************************************************/

#ifndef INCLUDED_LOTUSWORDPRO_INC_LWPOBJFACTORY_HXX

#define INCLUDED_LOTUSWORDPRO_INC_LWPOBJFACTORY_HXX

#include <sal/config.h>

#include <config_lgpl.h>

#include <rtl/ref.hxx>

#include "lwpobjid.hxx"

#include "lwpobj.hxx"

#include "lwpobjhdr.hxx"

#include "lwpidxmgr.hxx"

#include <unordered_map>

#include <vector>

/**

 * @brief   object factory used for lwp object creation and maintenance

*/

class LwpObjectFactory final

{

public:

    explicit LwpObjectFactory(LwpSvStream* pSvStream);

    ~LwpObjectFactory();

//For object Factory and object manager

private:

    LwpSvStream* m_pSvStream;

    std::vector<LwpObjectID> m_aObjsIDInCreation;

    struct hashFunc

    {

            size_t operator()( const LwpObjectID& rName ) const

            {

                return rName.HashCode();

            }

    };

    struct eqFunc

    {

            bool operator()( const LwpObjectID& rKey1, const LwpObjectID& rKey2 ) const

            {

                return(rKey1==rKey2);

            }

    };

    typedef std::unordered_map<LwpObjectID, rtl::Reference<LwpObject>, hashFunc, eqFunc> LwpIdToObjMap;

    LwpIdToObjMap m_IdToObjList;

    LwpIndexManager m_IndexMgr;

    rtl::Reference<LwpObject> FindObject(const LwpObjectID &objID);

public:

    rtl::Reference<LwpObject> CreateObject(sal_uInt32 type, LwpObjectHeader &objHdr);

    rtl::Reference<LwpObject> QueryObject(const LwpObjectID &objID);

    void ReleaseObject(const LwpObjectID &objID);

    void ReadIndex(LwpSvStream* pStrm);

    LwpIndexManager& GetIndexManager(){return m_IndexMgr;}

};

#endif

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