c85f9b568f
git-svn-id: svn://svn.code.sf.net/p/loki-lib/code/trunk@189 7ec92016-0320-0410-acc4-a06ded1c099a
747 lines
30 KiB
C++
747 lines
30 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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// The Loki Library
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// Copyright (c) 2001 by Andrei Alexandrescu
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// Copyright (c) 2005 by Peter Kuemmel
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// This code DOES NOT accompany the book:
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// Alexandrescu, Andrei. "Modern C++ Design: Generic Programming and Design
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// Patterns Applied". Copyright (c) 2001. Addison-Wesley.
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//
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// Code covered by the MIT License
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// The authors make no representations about the suitability of this software
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// for any purpose. It is provided "as is" without express or implied warranty.
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////////////////////////////////////////////////////////////////////////////////
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// $Header:
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#ifndef FACTORYPARM_INC_
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#define FACTORYPARM_INC_
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#include "LokiTypeInfo.h"
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#include "Functor.h"
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#include "AssocVector.h"
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#include "SmallObj.h"
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namespace Loki
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{
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////////////////////////////////////////////////////////////////////////////////
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// class template DefaultFactoryError
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// Manages the "Unknown Type" error in an object factory
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////////////////////////////////////////////////////////////////////////////////
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template <typename IdentifierType, class AbstractProduct>
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struct DefaultFactoryError
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{
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struct Exception : public std::exception
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{
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const char* what() const throw() { return "Unknown Type"; }
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};
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static AbstractProduct* OnUnknownType(IdentifierType)
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{
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throw Exception();
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}
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};
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//#define ENABLE_FACTORY_BOOK_VERSION_ONLY
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#ifndef ENABLE_FACTORY_BOOK_VERSION_ONLY
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////////////////////////////////////////////////////////////////////////////////
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/*
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class template Factory
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Implements a generic object factory
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cretae functions with up to 15 parameters
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template
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<
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class AbstractProduct,
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typename IdentifierType,
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typename CreatorParmTList = NullType,
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template<typename, class> class FactoryErrorPolicy = ExceptionFactoryError
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>
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class Factory : public FactoryErrorPolicy<IdentifierType, AbstractProduct>
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{
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public:
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typedef Functor<AbstractProduct*, CreatorParmTList> ProductCreator;
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typedef FactoryImpl< AbstractProduct, IdentifierType, CreatorParmTList > Impl;
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typedef typename Impl::Parm1Parm1;
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// ... up to 15 Parameters
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typedef typename IdToProductMap::iterator iterator;
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iterator begin();
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iterator end();
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bool Register(const IdentifierType& id, ProductCreator creator);
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bool Unregister(const IdentifierType& id);
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template <class PtrObj, typename CreaFn>
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bool Register(const IdentifierType& id, const PtrObj& p, CreaFn fn);
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AbstractProduct* CreateObject(const IdentifierType& id);
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AbstractProduct* CreateObject(const IdentifierType& id, Parm1 p1);
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// ... up to 15 Parameters
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};
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*/
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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// class template FunctorImpl
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////////////////////////////////////////////////////////////////////////////////
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struct FactoryImplBase
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{
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typedef EmptyType Parm1;
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typedef EmptyType Parm2;
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typedef EmptyType Parm3;
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typedef EmptyType Parm4;
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typedef EmptyType Parm5;
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typedef EmptyType Parm6;
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typedef EmptyType Parm7;
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typedef EmptyType Parm8;
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typedef EmptyType Parm9;
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typedef EmptyType Parm10;
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typedef EmptyType Parm11;
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typedef EmptyType Parm12;
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typedef EmptyType Parm13;
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typedef EmptyType Parm14;
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typedef EmptyType Parm15;
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};
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template <typename AP, typename Id, typename TList >
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struct FactoryImpl;
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template<typename AP, typename Id>
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struct FactoryImpl<AP, Id, NullType>
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: public FactoryImplBase
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{
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virtual AP* CreateObject(const Id & id ) = 0;
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};
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template <typename AP, typename Id, typename P1 >
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struct FactoryImpl<AP,Id, TYPELIST_1( P1 )>
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: public FactoryImplBase
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{
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typedef typename TypeTraits<P1>::ParameterType Parm1;
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virtual AP* CreateObject(const Id& id,Parm1 ) = 0;
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};
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template<typename AP, typename Id, typename P1,typename P2 >
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struct FactoryImpl<AP, Id, TYPELIST_2( P1, P2 )>
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: public FactoryImplBase
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{
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typedef typename TypeTraits<P1>::ParameterType Parm1;
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typedef typename TypeTraits<P2>::ParameterType Parm2;
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virtual AP* CreateObject(const Id& id,Parm1, Parm2 ) = 0;
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};
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template<typename AP, typename Id, typename P1,typename P2,typename P3 >
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struct FactoryImpl<AP, Id, TYPELIST_3( P1, P2, P3 )>
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: public FactoryImplBase
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{
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typedef typename TypeTraits<P1>::ParameterType Parm1;
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typedef typename TypeTraits<P2>::ParameterType Parm2;
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typedef typename TypeTraits<P3>::ParameterType Parm3;
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virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3 ) = 0;
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};
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template<typename AP, typename Id, typename P1,typename P2,typename P3,typename P4 >
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struct FactoryImpl<AP, Id, TYPELIST_4( P1, P2, P3, P4 )>
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: public FactoryImplBase
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{
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typedef typename TypeTraits<P1>::ParameterType Parm1;
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typedef typename TypeTraits<P2>::ParameterType Parm2;
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typedef typename TypeTraits<P3>::ParameterType Parm3;
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typedef typename TypeTraits<P4>::ParameterType Parm4;
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virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4 ) = 0;
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};
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template<typename AP, typename Id,
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typename P1,typename P2,typename P3,typename P4,typename P5 >
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struct FactoryImpl<AP, Id, TYPELIST_5( P1, P2, P3, P4, P5 )>
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: public FactoryImplBase
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{
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typedef typename TypeTraits<P1>::ParameterType Parm1;
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typedef typename TypeTraits<P2>::ParameterType Parm2;
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typedef typename TypeTraits<P3>::ParameterType Parm3;
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typedef typename TypeTraits<P4>::ParameterType Parm4;
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typedef typename TypeTraits<P5>::ParameterType Parm5;
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virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5 ) = 0;
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};
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template<typename AP, typename Id,
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typename P1,typename P2,typename P3,typename P4,typename P5,
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typename P6>
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struct FactoryImpl<AP, Id, TYPELIST_6( P1, P2, P3, P4, P5, P6 )>
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: public FactoryImplBase
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{
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typedef typename TypeTraits<P1>::ParameterType Parm1;
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typedef typename TypeTraits<P2>::ParameterType Parm2;
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typedef typename TypeTraits<P3>::ParameterType Parm3;
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typedef typename TypeTraits<P4>::ParameterType Parm4;
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typedef typename TypeTraits<P5>::ParameterType Parm5;
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typedef typename TypeTraits<P6>::ParameterType Parm6;
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virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
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Parm6 )
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= 0;
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};
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template<typename AP, typename Id,
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typename P1,typename P2,typename P3,typename P4,typename P5,
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typename P6,typename P7>
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struct FactoryImpl<AP, Id, TYPELIST_7( P1, P2, P3, P4, P5, P6, P7 )>
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: public FactoryImplBase
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{
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typedef typename TypeTraits<P1>::ParameterType Parm1;
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typedef typename TypeTraits<P2>::ParameterType Parm2;
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typedef typename TypeTraits<P3>::ParameterType Parm3;
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typedef typename TypeTraits<P4>::ParameterType Parm4;
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typedef typename TypeTraits<P5>::ParameterType Parm5;
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typedef typename TypeTraits<P6>::ParameterType Parm6;
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typedef typename TypeTraits<P7>::ParameterType Parm7;
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virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
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Parm6, Parm7 )
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= 0;
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};
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template<typename AP, typename Id,
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typename P1,typename P2,typename P3,typename P4,typename P5,
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typename P6,typename P7,typename P8>
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struct FactoryImpl<AP, Id, TYPELIST_8( P1, P2, P3, P4, P5, P6, P7, P8 )>
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: public FactoryImplBase
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{
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typedef typename TypeTraits<P1>::ParameterType Parm1;
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typedef typename TypeTraits<P2>::ParameterType Parm2;
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typedef typename TypeTraits<P3>::ParameterType Parm3;
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typedef typename TypeTraits<P4>::ParameterType Parm4;
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typedef typename TypeTraits<P5>::ParameterType Parm5;
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typedef typename TypeTraits<P6>::ParameterType Parm6;
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typedef typename TypeTraits<P7>::ParameterType Parm7;
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typedef typename TypeTraits<P8>::ParameterType Parm8;
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virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
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Parm6, Parm7, Parm8)
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= 0;
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};
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template<typename AP, typename Id,
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typename P1,typename P2,typename P3,typename P4,typename P5,
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typename P6,typename P7,typename P8,typename P9>
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struct FactoryImpl<AP, Id, TYPELIST_9( P1, P2, P3, P4, P5, P6, P7, P8, P9 )>
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: public FactoryImplBase
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{
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typedef typename TypeTraits<P1>::ParameterType Parm1;
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typedef typename TypeTraits<P2>::ParameterType Parm2;
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typedef typename TypeTraits<P3>::ParameterType Parm3;
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typedef typename TypeTraits<P4>::ParameterType Parm4;
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typedef typename TypeTraits<P5>::ParameterType Parm5;
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typedef typename TypeTraits<P6>::ParameterType Parm6;
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typedef typename TypeTraits<P7>::ParameterType Parm7;
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typedef typename TypeTraits<P8>::ParameterType Parm8;
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typedef typename TypeTraits<P9>::ParameterType Parm9;
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virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
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Parm6, Parm7, Parm8, Parm9)
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= 0;
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};
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template<typename AP, typename Id,
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typename P1,typename P2,typename P3,typename P4,typename P5,
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typename P6,typename P7,typename P8,typename P9,typename P10>
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struct FactoryImpl<AP, Id, TYPELIST_10( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10 )>
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: public FactoryImplBase
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{
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typedef typename TypeTraits<P1>::ParameterType Parm1;
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typedef typename TypeTraits<P2>::ParameterType Parm2;
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typedef typename TypeTraits<P3>::ParameterType Parm3;
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typedef typename TypeTraits<P4>::ParameterType Parm4;
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typedef typename TypeTraits<P5>::ParameterType Parm5;
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typedef typename TypeTraits<P6>::ParameterType Parm6;
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typedef typename TypeTraits<P7>::ParameterType Parm7;
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typedef typename TypeTraits<P8>::ParameterType Parm8;
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typedef typename TypeTraits<P9>::ParameterType Parm9;
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typedef typename TypeTraits<P10>::ParameterType Parm10;
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virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
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Parm6, Parm7, Parm8, Parm9,Parm10)
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= 0;
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};
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template<typename AP, typename Id,
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typename P1,typename P2,typename P3,typename P4,typename P5,
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typename P6,typename P7,typename P8,typename P9,typename P10,
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typename P11>
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struct FactoryImpl<AP, Id, TYPELIST_11( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11 )>
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: public FactoryImplBase
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{
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typedef typename TypeTraits<P1>::ParameterType Parm1;
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typedef typename TypeTraits<P2>::ParameterType Parm2;
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typedef typename TypeTraits<P3>::ParameterType Parm3;
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typedef typename TypeTraits<P4>::ParameterType Parm4;
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typedef typename TypeTraits<P5>::ParameterType Parm5;
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typedef typename TypeTraits<P6>::ParameterType Parm6;
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typedef typename TypeTraits<P7>::ParameterType Parm7;
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typedef typename TypeTraits<P8>::ParameterType Parm8;
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typedef typename TypeTraits<P9>::ParameterType Parm9;
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typedef typename TypeTraits<P10>::ParameterType Parm10;
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typedef typename TypeTraits<P11>::ParameterType Parm11;
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virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
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Parm6, Parm7, Parm8, Parm9,Parm10,
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Parm11)
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= 0;
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};
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template<typename AP, typename Id,
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typename P1,typename P2,typename P3,typename P4,typename P5,
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typename P6,typename P7,typename P8,typename P9,typename P10,
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typename P11,typename P12>
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struct FactoryImpl<AP, Id, TYPELIST_12( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12 )>
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: public FactoryImplBase
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{
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typedef typename TypeTraits<P1>::ParameterType Parm1;
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typedef typename TypeTraits<P2>::ParameterType Parm2;
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typedef typename TypeTraits<P3>::ParameterType Parm3;
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typedef typename TypeTraits<P4>::ParameterType Parm4;
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typedef typename TypeTraits<P5>::ParameterType Parm5;
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typedef typename TypeTraits<P6>::ParameterType Parm6;
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typedef typename TypeTraits<P7>::ParameterType Parm7;
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typedef typename TypeTraits<P8>::ParameterType Parm8;
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typedef typename TypeTraits<P9>::ParameterType Parm9;
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typedef typename TypeTraits<P10>::ParameterType Parm10;
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typedef typename TypeTraits<P11>::ParameterType Parm11;
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typedef typename TypeTraits<P12>::ParameterType Parm12;
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virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
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Parm6, Parm7, Parm8, Parm9,Parm10,
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Parm11,Parm12)
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= 0;
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};
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template<typename AP, typename Id,
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typename P1,typename P2,typename P3,typename P4,typename P5,
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typename P6,typename P7,typename P8,typename P9,typename P10,
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typename P11,typename P12,typename P13>
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struct FactoryImpl<AP, Id, TYPELIST_13( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13 )>
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: public FactoryImplBase
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{
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typedef typename TypeTraits<P1>::ParameterType Parm1;
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typedef typename TypeTraits<P2>::ParameterType Parm2;
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typedef typename TypeTraits<P3>::ParameterType Parm3;
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typedef typename TypeTraits<P4>::ParameterType Parm4;
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typedef typename TypeTraits<P5>::ParameterType Parm5;
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typedef typename TypeTraits<P6>::ParameterType Parm6;
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typedef typename TypeTraits<P7>::ParameterType Parm7;
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typedef typename TypeTraits<P8>::ParameterType Parm8;
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typedef typename TypeTraits<P9>::ParameterType Parm9;
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typedef typename TypeTraits<P10>::ParameterType Parm10;
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typedef typename TypeTraits<P11>::ParameterType Parm11;
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typedef typename TypeTraits<P12>::ParameterType Parm12;
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typedef typename TypeTraits<P13>::ParameterType Parm13;
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virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
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Parm6, Parm7, Parm8, Parm9,Parm10,
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Parm11,Parm12,Parm13)
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= 0;
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};
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template<typename AP, typename Id,
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typename P1,typename P2,typename P3,typename P4,typename P5,
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typename P6,typename P7,typename P8,typename P9,typename P10,
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typename P11,typename P12,typename P13,typename P14>
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struct FactoryImpl<AP, Id, TYPELIST_14( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14 )>
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: public FactoryImplBase
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{
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typedef typename TypeTraits<P1>::ParameterType Parm1;
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typedef typename TypeTraits<P2>::ParameterType Parm2;
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typedef typename TypeTraits<P3>::ParameterType Parm3;
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typedef typename TypeTraits<P4>::ParameterType Parm4;
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typedef typename TypeTraits<P5>::ParameterType Parm5;
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typedef typename TypeTraits<P6>::ParameterType Parm6;
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typedef typename TypeTraits<P7>::ParameterType Parm7;
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typedef typename TypeTraits<P8>::ParameterType Parm8;
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typedef typename TypeTraits<P9>::ParameterType Parm9;
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typedef typename TypeTraits<P10>::ParameterType Parm10;
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typedef typename TypeTraits<P11>::ParameterType Parm11;
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typedef typename TypeTraits<P12>::ParameterType Parm12;
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typedef typename TypeTraits<P13>::ParameterType Parm13;
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typedef typename TypeTraits<P14>::ParameterType Parm14;
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virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
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Parm6, Parm7, Parm8, Parm8,Parm10,
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Parm11,Parm12,Parm13,Parm14)
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= 0;
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};
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|
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template<typename AP, typename Id,
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typename P1,typename P2,typename P3,typename P4,typename P5,
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typename P6,typename P7,typename P8,typename P9,typename P10,
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typename P11,typename P12,typename P13,typename P14,typename P15 >
|
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struct FactoryImpl<AP, Id, TYPELIST_15( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15 )>
|
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: public FactoryImplBase
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{
|
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typedef typename TypeTraits<P1>::ParameterType Parm1;
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typedef typename TypeTraits<P2>::ParameterType Parm2;
|
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typedef typename TypeTraits<P3>::ParameterType Parm3;
|
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typedef typename TypeTraits<P4>::ParameterType Parm4;
|
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typedef typename TypeTraits<P5>::ParameterType Parm5;
|
||
typedef typename TypeTraits<P6>::ParameterType Parm6;
|
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typedef typename TypeTraits<P7>::ParameterType Parm7;
|
||
typedef typename TypeTraits<P8>::ParameterType Parm8;
|
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typedef typename TypeTraits<P9>::ParameterType Parm9;
|
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typedef typename TypeTraits<P10>::ParameterType Parm10;
|
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typedef typename TypeTraits<P11>::ParameterType Parm11;
|
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typedef typename TypeTraits<P12>::ParameterType Parm12;
|
||
typedef typename TypeTraits<P13>::ParameterType Parm13;
|
||
typedef typename TypeTraits<P14>::ParameterType Parm14;
|
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typedef typename TypeTraits<P15>::ParameterType Parm15;
|
||
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
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Parm6, Parm7, Parm8, Parm9,Parm10,
|
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Parm11,Parm12,Parm13,Parm14,Parm15 )
|
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= 0;
|
||
};
|
||
|
||
|
||
|
||
////////////////////////////////////////////////////////////////////////////////
|
||
// class template Factory
|
||
////////////////////////////////////////////////////////////////////////////////
|
||
|
||
template
|
||
<
|
||
class AbstractProduct,
|
||
typename IdentifierType,
|
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typename CreatorParmTList = NullType,
|
||
template<typename, class> class FactoryErrorPolicy = DefaultFactoryError
|
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>
|
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class Factory : public FactoryErrorPolicy<IdentifierType, AbstractProduct>
|
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{
|
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|
||
|
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public:
|
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typedef Functor<AbstractProduct*, CreatorParmTList> ProductCreator;
|
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typedef FactoryImpl< AbstractProduct, IdentifierType, CreatorParmTList > Impl;
|
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|
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private:
|
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typedef AssocVector<IdentifierType, Functor<AbstractProduct*, CreatorParmTList> > IdToProductMap;
|
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|
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public:
|
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typedef typename Impl::Parm1 Parm1;
|
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typedef typename Impl::Parm2 Parm2;
|
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typedef typename Impl::Parm3 Parm3;
|
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typedef typename Impl::Parm4 Parm4;
|
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typedef typename Impl::Parm5 Parm5;
|
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typedef typename Impl::Parm6 Parm6;
|
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typedef typename Impl::Parm7 Parm7;
|
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typedef typename Impl::Parm8 Parm8;
|
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typedef typename Impl::Parm9 Parm9;
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typedef typename Impl::Parm10 Parm10;
|
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typedef typename Impl::Parm11 Parm11;
|
||
typedef typename Impl::Parm12 Parm12;
|
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typedef typename Impl::Parm13 Parm13;
|
||
typedef typename Impl::Parm14 Parm14;
|
||
typedef typename Impl::Parm15 Parm15;
|
||
|
||
Factory()
|
||
{
|
||
}
|
||
|
||
~Factory()
|
||
{
|
||
associations_.erase(associations_.begin(), associations_.end());
|
||
}
|
||
|
||
typedef typename IdToProductMap::iterator iterator;
|
||
|
||
iterator begin()
|
||
{
|
||
return associations_.begin();
|
||
}
|
||
iterator end()
|
||
{
|
||
return associations_.end();
|
||
}
|
||
|
||
bool Register(const IdentifierType& id, ProductCreator creator)
|
||
{
|
||
return associations_.insert(
|
||
typename IdToProductMap::value_type(id, creator)).second != 0;
|
||
}
|
||
|
||
template <class PtrObj, typename CreaFn>
|
||
bool Register(const IdentifierType& id, const PtrObj& p, CreaFn fn)
|
||
{
|
||
ProductCreator creator( p, fn );
|
||
return associations_.insert(
|
||
typename IdToProductMap::value_type(id, creator)).second != 0;
|
||
|
||
}
|
||
|
||
bool Unregister(const IdentifierType& id)
|
||
{
|
||
return associations_.erase(id) != 0;
|
||
}
|
||
|
||
AbstractProduct* CreateObject(const IdentifierType& id)
|
||
{
|
||
typename IdToProductMap::iterator i = associations_.find(id);
|
||
if (i != associations_.end())
|
||
return (i->second)( );
|
||
return this->OnUnknownType(id);
|
||
}
|
||
|
||
AbstractProduct* CreateObject(const IdentifierType& id,
|
||
Parm1 p1)
|
||
{
|
||
typename IdToProductMap::iterator i = associations_.find(id);
|
||
if (i != associations_.end())
|
||
return (i->second)( p1 );
|
||
return this->OnUnknownType(id);
|
||
}
|
||
|
||
AbstractProduct* CreateObject(const IdentifierType& id,
|
||
Parm1 p1, Parm2 p2)
|
||
{
|
||
typename IdToProductMap::iterator i = associations_.find(id);
|
||
if (i != associations_.end())
|
||
return (i->second)( p1,p2 );
|
||
return this->OnUnknownType(id);
|
||
}
|
||
|
||
AbstractProduct* CreateObject(const IdentifierType& id,
|
||
Parm1 p1, Parm2 p2, Parm3 p3)
|
||
{
|
||
typename IdToProductMap::iterator i = associations_.find(id);
|
||
if (i != associations_.end())
|
||
return (i->second)( p1,p2,p3 );
|
||
return this->OnUnknownType(id);
|
||
}
|
||
|
||
AbstractProduct* CreateObject(const IdentifierType& id,
|
||
Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4)
|
||
{
|
||
typename IdToProductMap::iterator i = associations_.find(id);
|
||
if (i != associations_.end())
|
||
return (i->second)( p1,p2,p3,p4 );
|
||
return this->OnUnknownType(id);
|
||
}
|
||
|
||
AbstractProduct* CreateObject(const IdentifierType& id,
|
||
Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5)
|
||
{
|
||
typename IdToProductMap::iterator i = associations_.find(id);
|
||
if (i != associations_.end())
|
||
return (i->second)( p1,p2,p3,p4,p5 );
|
||
return this->OnUnknownType(id);
|
||
}
|
||
|
||
AbstractProduct* CreateObject(const IdentifierType& id,
|
||
Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
|
||
Parm6 p6)
|
||
{
|
||
typename IdToProductMap::iterator i = associations_.find(id);
|
||
if (i != associations_.end())
|
||
return (i->second)( p1,p2,p3,p4,p5,p6 );
|
||
return this->OnUnknownType(id);
|
||
}
|
||
|
||
AbstractProduct* CreateObject(const IdentifierType& id,
|
||
Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
|
||
Parm6 p6, Parm7 p7 )
|
||
{
|
||
typename IdToProductMap::iterator i = associations_.find(id);
|
||
if (i != associations_.end())
|
||
return (i->second)( p1,p2,p3,p4,p5,p6,p7 );
|
||
return this->OnUnknownType(id);
|
||
}
|
||
|
||
AbstractProduct* CreateObject(const IdentifierType& id,
|
||
Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
|
||
Parm6 p6, Parm7 p7, Parm8 p8)
|
||
{
|
||
typename IdToProductMap::iterator i = associations_.find(id);
|
||
if (i != associations_.end())
|
||
return (i->second)( p1,p2,p3,p4,p5,p6,p7,p8 );
|
||
return this->OnUnknownType(id);
|
||
}
|
||
|
||
AbstractProduct* CreateObject(const IdentifierType& id,
|
||
Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
|
||
Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9)
|
||
{
|
||
typename IdToProductMap::iterator i = associations_.find(id);
|
||
if (i != associations_.end())
|
||
return (i->second)( p1,p2,p3,p4,p5,p6,p7,p8,p9 );
|
||
return this->OnUnknownType(id);
|
||
}
|
||
AbstractProduct* CreateObject(const IdentifierType& id,
|
||
Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
|
||
Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9,Parm10 p10)
|
||
{
|
||
typename IdToProductMap::iterator i = associations_.find(id);
|
||
if (i != associations_.end())
|
||
return (i->second)( p1,p2,p3,p4,p5,p6,p7,p8,p9,p10 );
|
||
return this->OnUnknownType(id);
|
||
}
|
||
|
||
AbstractProduct* CreateObject(const IdentifierType& id,
|
||
Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
|
||
Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10,
|
||
Parm11 p11)
|
||
{
|
||
typename IdToProductMap::iterator i = associations_.find(id);
|
||
if (i != associations_.end())
|
||
return (i->second)( p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11 );
|
||
return this->OnUnknownType(id);
|
||
}
|
||
|
||
AbstractProduct* CreateObject(const IdentifierType& id,
|
||
Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
|
||
Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10,
|
||
Parm11 p11, Parm12 p12)
|
||
{
|
||
typename IdToProductMap::iterator i = associations_.find(id);
|
||
if (i != associations_.end())
|
||
return (i->second)( p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11,p12 );
|
||
return this->OnUnknownType(id);
|
||
}
|
||
|
||
AbstractProduct* CreateObject(const IdentifierType& id,
|
||
Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
|
||
Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10,
|
||
Parm11 p11, Parm12 p12, Parm13 p13)
|
||
{
|
||
typename IdToProductMap::iterator i = associations_.find(id);
|
||
if (i != associations_.end())
|
||
return (i->second)( p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11,p12,p13 );
|
||
return this->OnUnknownType(id);
|
||
}
|
||
|
||
AbstractProduct* CreateObject(const IdentifierType& id,
|
||
Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
|
||
Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10,
|
||
Parm11 p11, Parm12 p12, Parm13 p13, Parm14 p14)
|
||
{
|
||
typename IdToProductMap::iterator i = associations_.find(id);
|
||
if (i != associations_.end())
|
||
return (i->second)( p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11,p12,p13,p14 );
|
||
return this->OnUnknownType(id);
|
||
}
|
||
|
||
AbstractProduct* CreateObject(const IdentifierType& id,
|
||
Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
|
||
Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10,
|
||
Parm11 p11, Parm12 p12, Parm13 p13, Parm14 p14, Parm15 p15)
|
||
{
|
||
typename IdToProductMap::iterator i = associations_.find(id);
|
||
if (i != associations_.end())
|
||
return (i->second)( p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11,p12,p13,p14,p15 );
|
||
return this->OnUnknownType(id);
|
||
}
|
||
|
||
private:
|
||
IdToProductMap associations_;
|
||
};
|
||
|
||
|
||
#else
|
||
|
||
template
|
||
<
|
||
class AbstractProduct,
|
||
typename IdentifierType,
|
||
typename ProductCreator = AbstractProduct* (*)(),
|
||
template<typename, class>
|
||
class FactoryErrorPolicy = DefaultFactoryError
|
||
>
|
||
class Factory
|
||
: public FactoryErrorPolicy<IdentifierType, AbstractProduct>
|
||
{
|
||
public:
|
||
bool Register(const IdentifierType& id, ProductCreator creator)
|
||
{
|
||
return associations_.insert(
|
||
typename IdToProductMap::value_type(id, creator)).second;
|
||
}
|
||
|
||
bool Unregister(const IdentifierType& id)
|
||
{
|
||
return associations_.erase(id) == 1;
|
||
}
|
||
|
||
AbstractProduct* CreateObject(const IdentifierType& id)
|
||
{
|
||
typename IdToProductMap::iterator i = associations_.find(id);
|
||
if (i != associations_.end())
|
||
{
|
||
return (i->second)();
|
||
}
|
||
return this->OnUnknownType(id);
|
||
}
|
||
|
||
private:
|
||
typedef AssocVector<IdentifierType, ProductCreator> IdToProductMap;
|
||
IdToProductMap associations_;
|
||
};
|
||
|
||
|
||
#endif //#define ENABLE_FACTORY_BOOK_VERSION_ONLY
|
||
|
||
////////////////////////////////////////////////////////////////////////////////
|
||
// class template CloneFactory
|
||
// Implements a generic cloning factory
|
||
////////////////////////////////////////////////////////////////////////////////
|
||
|
||
template
|
||
<
|
||
class AbstractProduct,
|
||
class ProductCreator =
|
||
AbstractProduct* (*)(const AbstractProduct*),
|
||
template<typename, class>
|
||
class FactoryErrorPolicy = DefaultFactoryError
|
||
>
|
||
class CloneFactory
|
||
: public FactoryErrorPolicy<TypeInfo, AbstractProduct>
|
||
{
|
||
public:
|
||
bool Register(const TypeInfo& ti, ProductCreator creator)
|
||
{
|
||
return associations_.insert(
|
||
typename IdToProductMap::value_type(ti, creator)).second;
|
||
}
|
||
|
||
bool Unregister(const TypeInfo& id)
|
||
{
|
||
return associations_.erase(id) == 1;
|
||
}
|
||
|
||
AbstractProduct* CreateObject(const AbstractProduct* model)
|
||
{
|
||
if (model == 0) return 0;
|
||
|
||
typename IdToProductMap::iterator i =
|
||
associations_.find(typeid(*model));
|
||
if (i != associations_.end())
|
||
{
|
||
return (i->second)(model);
|
||
}
|
||
return this->OnUnknownType(typeid(*model));
|
||
}
|
||
|
||
private:
|
||
typedef AssocVector<TypeInfo, ProductCreator> IdToProductMap;
|
||
IdToProductMap associations_;
|
||
};
|
||
} // namespace Loki
|
||
|
||
////////////////////////////////////////////////////////////////////////////////
|
||
// Change log:
|
||
// June 20, 2001: ported by Nick Thurn to gcc 2.95.3. Kudos, Nick!!!
|
||
// May 08, 2002: replaced const_iterator with iterator so that self-modifying
|
||
// ProductCreators are supported. Also, added a throw()
|
||
// spec to what(). Credit due to Jason Fischl.
|
||
// February 2, 2003: fixed dependent names - credit due to Rani Sharoni
|
||
// March 4, 2003: fixed dependent names - credit due to Ruslan Zasukhin and CW 8.3
|
||
// July 26, 2005: parameter support by Peter K<>mmel
|
||
////////////////////////////////////////////////////////////////////////////////
|
||
|
||
#endif // FACTORY_INC_
|