Loki/include/loki/Factory.h
syntheticpp ead67fddf4 make inheriting from Factory possible, thanks to Roland Pabel
git-svn-id: svn://svn.code.sf.net/p/loki-lib/code/trunk@1066 7ec92016-0320-0410-acc4-a06ded1c099a
2009-12-22 11:35:46 +00:00

1091 lines
46 KiB
C++

////////////////////////////////////////////////////////////////////////////////
// The Loki Library
// Copyright (c) 2001 by Andrei Alexandrescu
// Copyright (c) 2005 by Peter Kuemmel
// This code DOES NOT accompany the book:
// Alexandrescu, Andrei. "Modern C++ Design: Generic Programming and Design
// Patterns Applied". Copyright (c) 2001. Addison-Wesley.
//
// Code covered by the MIT License
// The authors make no representations about the suitability of this software
// for any purpose. It is provided "as is" without express or implied warranty.
////////////////////////////////////////////////////////////////////////////////
#ifndef LOKI_FACTORYPARM_INC_
#define LOKI_FACTORYPARM_INC_
// $Id$
#include "LokiTypeInfo.h"
#include "Functor.h"
#include "AssocVector.h"
#include "SmallObj.h"
#include "Sequence.h"
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4702)
//unreachable code if OnUnknownType throws an exception
#endif
/**
* \defgroup FactoriesGroup Factories
* \defgroup FactoryGroup Factory
* \ingroup FactoriesGroup
* \brief Implements a generic object factory.
*
* <i>The Factory Method pattern is an object-oriented design pattern.
* Like other creational patterns, it deals with the problem of creating objects
* (products) without specifying the exact class of object that will be created.
* Factory Method, one of the patterns from the Design Patterns book, handles
* this problem by defining a separate method for creating the objects, which
* subclasses can then override to specify the derived type of product that will
* be created.
* <br>
* More generally, the term Factory Method is often used to refer to any method
* whose main purpose is creation of objects.</i>
* <div ALIGN="RIGHT"><a href="http://en.wikipedia.org/wiki/Factory_method_pattern">
* Wikipedia</a></div>
*
* Loki proposes a generic version of the Factory. Here is a typical use.<br>
* <code><br>
* 1. Factory< AbstractProduct, int > aFactory;<br>
* 2. aFactory.Register( 1, createProductNull );<br>
* 3. aFactory.CreateObject( 1 ); <br>
* </code><br>
* <br>
* - 1. The declaration<br>
* You want a Factory that produces AbstractProduct.<br>
* The client will refer to a creation method through an int.<br>
* - 2.The registration<br>
* The code that will contribute to the Factory will now need to declare its
* ProductCreator by registering them into the Factory.<br>
* A ProductCreator is a just a function that will return the right object. ie <br>
* <code>
* Product* createProductNull()<br>
* {<br>
* return new Product<br>
* }<br>
* </code><br>
* - 3. The use<br>
* Now the client can create object by calling the Factory's CreateObject method
* with the right identifier. If the ProductCreator were to have arguments
* (<i>ie :Product* createProductParm( int a, int b )</i>)
*/
namespace Loki
{
/**
* \defgroup FactoryErrorPoliciesGroup Factory Error Policies
* \ingroup FactoryGroup
* \brief Manages the "Unknown Type" error in an object factory
*
* \class DefaultFactoryError
* \ingroup FactoryErrorPoliciesGroup
* \brief Default policy that throws an exception
*
*/
template <typename IdentifierType, class AbstractProduct>
struct DefaultFactoryError
{
struct Exception : public std::exception
{
const char* what() const throw() { return "Unknown Type"; }
};
static AbstractProduct* OnUnknownType(IdentifierType)
{
throw Exception();
}
};
#define LOKI_ENABLE_NEW_FACTORY_CODE
#ifdef LOKI_ENABLE_NEW_FACTORY_CODE
////////////////////////////////////////////////////////////////////////////////
// class template FunctorImpl
////////////////////////////////////////////////////////////////////////////////
struct FactoryImplBase
{
typedef EmptyType Parm1;
typedef EmptyType Parm2;
typedef EmptyType Parm3;
typedef EmptyType Parm4;
typedef EmptyType Parm5;
typedef EmptyType Parm6;
typedef EmptyType Parm7;
typedef EmptyType Parm8;
typedef EmptyType Parm9;
typedef EmptyType Parm10;
typedef EmptyType Parm11;
typedef EmptyType Parm12;
typedef EmptyType Parm13;
typedef EmptyType Parm14;
typedef EmptyType Parm15;
};
template <typename AP, typename Id, typename TList >
struct FactoryImpl;
template<typename AP, typename Id>
struct FactoryImpl<AP, Id, NullType>
: public FactoryImplBase
{
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id & id ) = 0;
};
template <typename AP, typename Id, typename P1 >
struct FactoryImpl<AP,Id, Seq<P1> >
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1 ) = 0;
};
template<typename AP, typename Id, typename P1,typename P2 >
struct FactoryImpl<AP, Id, Seq<P1, P2> >
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2 ) = 0;
};
template<typename AP, typename Id, typename P1,typename P2,typename P3 >
struct FactoryImpl<AP, Id, Seq<P1, P2, P3> >
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3 ) = 0;
};
template<typename AP, typename Id, typename P1,typename P2,typename P3,typename P4 >
struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4> >
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4 ) = 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5 >
struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5> >
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5 ) = 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6>
struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6> >
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6 )
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7>
struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7> >
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7 )
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7,typename P8>
struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7, P8> >
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
typedef typename TypeTraits<P8>::ParameterType Parm8;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7, Parm8)
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7,typename P8,typename P9>
struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7, P8, P9> >
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
typedef typename TypeTraits<P8>::ParameterType Parm8;
typedef typename TypeTraits<P9>::ParameterType Parm9;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7, Parm8, Parm9)
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7,typename P8,typename P9,typename P10>
struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10> >
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
typedef typename TypeTraits<P8>::ParameterType Parm8;
typedef typename TypeTraits<P9>::ParameterType Parm9;
typedef typename TypeTraits<P10>::ParameterType Parm10;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7, Parm8, Parm9,Parm10)
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7,typename P8,typename P9,typename P10,
typename P11>
struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11> >
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
typedef typename TypeTraits<P8>::ParameterType Parm8;
typedef typename TypeTraits<P9>::ParameterType Parm9;
typedef typename TypeTraits<P10>::ParameterType Parm10;
typedef typename TypeTraits<P11>::ParameterType Parm11;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7, Parm8, Parm9,Parm10,
Parm11)
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7,typename P8,typename P9,typename P10,
typename P11,typename P12>
struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12> >
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
typedef typename TypeTraits<P8>::ParameterType Parm8;
typedef typename TypeTraits<P9>::ParameterType Parm9;
typedef typename TypeTraits<P10>::ParameterType Parm10;
typedef typename TypeTraits<P11>::ParameterType Parm11;
typedef typename TypeTraits<P12>::ParameterType Parm12;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7, Parm8, Parm9,Parm10,
Parm11,Parm12)
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7,typename P8,typename P9,typename P10,
typename P11,typename P12,typename P13>
struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13> >
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
typedef typename TypeTraits<P8>::ParameterType Parm8;
typedef typename TypeTraits<P9>::ParameterType Parm9;
typedef typename TypeTraits<P10>::ParameterType Parm10;
typedef typename TypeTraits<P11>::ParameterType Parm11;
typedef typename TypeTraits<P12>::ParameterType Parm12;
typedef typename TypeTraits<P13>::ParameterType Parm13;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7, Parm8, Parm9,Parm10,
Parm11,Parm12,Parm13)
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7,typename P8,typename P9,typename P10,
typename P11,typename P12,typename P13,typename P14>
struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14> >
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
typedef typename TypeTraits<P8>::ParameterType Parm8;
typedef typename TypeTraits<P9>::ParameterType Parm9;
typedef typename TypeTraits<P10>::ParameterType Parm10;
typedef typename TypeTraits<P11>::ParameterType Parm11;
typedef typename TypeTraits<P12>::ParameterType Parm12;
typedef typename TypeTraits<P13>::ParameterType Parm13;
typedef typename TypeTraits<P14>::ParameterType Parm14;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7, Parm8, Parm8,Parm10,
Parm11,Parm12,Parm13,Parm14)
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7,typename P8,typename P9,typename P10,
typename P11,typename P12,typename P13,typename P14,typename P15 >
struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15> >
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
typedef typename TypeTraits<P8>::ParameterType Parm8;
typedef typename TypeTraits<P9>::ParameterType Parm9;
typedef typename TypeTraits<P10>::ParameterType Parm10;
typedef typename TypeTraits<P11>::ParameterType Parm11;
typedef typename TypeTraits<P12>::ParameterType Parm12;
typedef typename TypeTraits<P13>::ParameterType Parm13;
typedef typename TypeTraits<P14>::ParameterType Parm14;
typedef typename TypeTraits<P15>::ParameterType Parm15;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7, Parm8, Parm9,Parm10,
Parm11,Parm12,Parm13,Parm14,Parm15 )
= 0;
};
#ifndef LOKI_DISABLE_TYPELIST_MACROS
template <typename AP, typename Id, typename P1 >
struct FactoryImpl<AP,Id, LOKI_TYPELIST_1( P1 )>
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1 ) = 0;
};
template<typename AP, typename Id, typename P1,typename P2 >
struct FactoryImpl<AP, Id, LOKI_TYPELIST_2( P1, P2 )>
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2 ) = 0;
};
template<typename AP, typename Id, typename P1,typename P2,typename P3 >
struct FactoryImpl<AP, Id, LOKI_TYPELIST_3( P1, P2, P3 )>
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3 ) = 0;
};
template<typename AP, typename Id, typename P1,typename P2,typename P3,typename P4 >
struct FactoryImpl<AP, Id, LOKI_TYPELIST_4( P1, P2, P3, P4 )>
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4 ) = 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5 >
struct FactoryImpl<AP, Id, LOKI_TYPELIST_5( P1, P2, P3, P4, P5 )>
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5 ) = 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6>
struct FactoryImpl<AP, Id, LOKI_TYPELIST_6( P1, P2, P3, P4, P5, P6 )>
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6 )
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7>
struct FactoryImpl<AP, Id, LOKI_TYPELIST_7( P1, P2, P3, P4, P5, P6, P7 )>
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7 )
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7,typename P8>
struct FactoryImpl<AP, Id, LOKI_TYPELIST_8( P1, P2, P3, P4, P5, P6, P7, P8 )>
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
typedef typename TypeTraits<P8>::ParameterType Parm8;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7, Parm8)
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7,typename P8,typename P9>
struct FactoryImpl<AP, Id, LOKI_TYPELIST_9( P1, P2, P3, P4, P5, P6, P7, P8, P9 )>
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
typedef typename TypeTraits<P8>::ParameterType Parm8;
typedef typename TypeTraits<P9>::ParameterType Parm9;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7, Parm8, Parm9)
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7,typename P8,typename P9,typename P10>
struct FactoryImpl<AP, Id, LOKI_TYPELIST_10( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10 )>
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
typedef typename TypeTraits<P8>::ParameterType Parm8;
typedef typename TypeTraits<P9>::ParameterType Parm9;
typedef typename TypeTraits<P10>::ParameterType Parm10;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7, Parm8, Parm9,Parm10)
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7,typename P8,typename P9,typename P10,
typename P11>
struct FactoryImpl<AP, Id, LOKI_TYPELIST_11( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11 )>
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
typedef typename TypeTraits<P8>::ParameterType Parm8;
typedef typename TypeTraits<P9>::ParameterType Parm9;
typedef typename TypeTraits<P10>::ParameterType Parm10;
typedef typename TypeTraits<P11>::ParameterType Parm11;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7, Parm8, Parm9,Parm10,
Parm11)
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7,typename P8,typename P9,typename P10,
typename P11,typename P12>
struct FactoryImpl<AP, Id, LOKI_TYPELIST_12( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12 )>
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
typedef typename TypeTraits<P8>::ParameterType Parm8;
typedef typename TypeTraits<P9>::ParameterType Parm9;
typedef typename TypeTraits<P10>::ParameterType Parm10;
typedef typename TypeTraits<P11>::ParameterType Parm11;
typedef typename TypeTraits<P12>::ParameterType Parm12;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7, Parm8, Parm9,Parm10,
Parm11,Parm12)
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7,typename P8,typename P9,typename P10,
typename P11,typename P12,typename P13>
struct FactoryImpl<AP, Id, LOKI_TYPELIST_13( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13 )>
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
typedef typename TypeTraits<P8>::ParameterType Parm8;
typedef typename TypeTraits<P9>::ParameterType Parm9;
typedef typename TypeTraits<P10>::ParameterType Parm10;
typedef typename TypeTraits<P11>::ParameterType Parm11;
typedef typename TypeTraits<P12>::ParameterType Parm12;
typedef typename TypeTraits<P13>::ParameterType Parm13;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7, Parm8, Parm9,Parm10,
Parm11,Parm12,Parm13)
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7,typename P8,typename P9,typename P10,
typename P11,typename P12,typename P13,typename P14>
struct FactoryImpl<AP, Id, LOKI_TYPELIST_14( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14 )>
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
typedef typename TypeTraits<P8>::ParameterType Parm8;
typedef typename TypeTraits<P9>::ParameterType Parm9;
typedef typename TypeTraits<P10>::ParameterType Parm10;
typedef typename TypeTraits<P11>::ParameterType Parm11;
typedef typename TypeTraits<P12>::ParameterType Parm12;
typedef typename TypeTraits<P13>::ParameterType Parm13;
typedef typename TypeTraits<P14>::ParameterType Parm14;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7, Parm8, Parm8,Parm10,
Parm11,Parm12,Parm13,Parm14)
= 0;
};
template<typename AP, typename Id,
typename P1,typename P2,typename P3,typename P4,typename P5,
typename P6,typename P7,typename P8,typename P9,typename P10,
typename P11,typename P12,typename P13,typename P14,typename P15 >
struct FactoryImpl<AP, Id, LOKI_TYPELIST_15( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15 )>
: public FactoryImplBase
{
typedef typename TypeTraits<P1>::ParameterType Parm1;
typedef typename TypeTraits<P2>::ParameterType Parm2;
typedef typename TypeTraits<P3>::ParameterType Parm3;
typedef typename TypeTraits<P4>::ParameterType Parm4;
typedef typename TypeTraits<P5>::ParameterType Parm5;
typedef typename TypeTraits<P6>::ParameterType Parm6;
typedef typename TypeTraits<P7>::ParameterType Parm7;
typedef typename TypeTraits<P8>::ParameterType Parm8;
typedef typename TypeTraits<P9>::ParameterType Parm9;
typedef typename TypeTraits<P10>::ParameterType Parm10;
typedef typename TypeTraits<P11>::ParameterType Parm11;
typedef typename TypeTraits<P12>::ParameterType Parm12;
typedef typename TypeTraits<P13>::ParameterType Parm13;
typedef typename TypeTraits<P14>::ParameterType Parm14;
typedef typename TypeTraits<P15>::ParameterType Parm15;
virtual ~FactoryImpl() {}
virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5,
Parm6, Parm7, Parm8, Parm9,Parm10,
Parm11,Parm12,Parm13,Parm14,Parm15 )
= 0;
};
#endif //LOKI_DISABLE_TYPELIST_MACROS
////////////////////////////////////////////////////////////////////////////////
/// \class Factory
///
/// \ingroup FactoryGroup
/// Implements a generic object factory.
///
/// Create functions can have up to 15 parameters.
///
/// \par Singleton lifetime when used with Loki::SingletonHolder
/// Because Factory uses internally Functors which inherits from
/// SmallObject you must use the singleton lifetime
/// \code Loki::LongevityLifetime::DieAsSmallObjectChild \endcode
/// Alternatively you could suppress for Functor the inheritance
/// from SmallObject by defining the macro:
/// \code LOKI_FUNCTOR_IS_NOT_A_SMALLOBJECT \endcode
////////////////////////////////////////////////////////////////////////////////
template
<
class AbstractProduct,
typename IdentifierType,
typename CreatorParmTList = NullType,
template<typename, class> class FactoryErrorPolicy = DefaultFactoryError
>
class Factory : public FactoryErrorPolicy<IdentifierType, AbstractProduct>
{
protected:
typedef FactoryImpl< AbstractProduct, IdentifierType, CreatorParmTList > Impl;
typedef typename Impl::Parm1 Parm1;
typedef typename Impl::Parm2 Parm2;
typedef typename Impl::Parm3 Parm3;
typedef typename Impl::Parm4 Parm4;
typedef typename Impl::Parm5 Parm5;
typedef typename Impl::Parm6 Parm6;
typedef typename Impl::Parm7 Parm7;
typedef typename Impl::Parm8 Parm8;
typedef typename Impl::Parm9 Parm9;
typedef typename Impl::Parm10 Parm10;
typedef typename Impl::Parm11 Parm11;
typedef typename Impl::Parm12 Parm12;
typedef typename Impl::Parm13 Parm13;
typedef typename Impl::Parm14 Parm14;
typedef typename Impl::Parm15 Parm15;
typedef Functor<AbstractProduct*, CreatorParmTList> ProductCreator;
private:
typedef AssocVector<IdentifierType, ProductCreator> IdToProductMap;
IdToProductMap associations_;
public:
Factory()
: associations_()
{
}
~Factory()
{
associations_.erase(associations_.begin(), 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;
}
bool IsRegistered(const IdentifierType& id)
{
return associations_.find(id) != associations_.end();
}
std::vector<IdentifierType> RegisteredIds()
{
std::vector<IdentifierType> ids;
for(typename IdToProductMap::iterator it = associations_.begin();
it != associations_.end(); ++it)
{
ids.push_back(it->first);
}
return ids;
}
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);
}
};
#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 != 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);
}
private:
typedef AssocVector<IdentifierType, ProductCreator> IdToProductMap;
IdToProductMap associations_;
};
#endif //#define ENABLE_NEW_FACTORY_CODE
/**
* \defgroup CloneFactoryGroup Clone Factory
* \ingroup FactoriesGroup
* \brief Creates a copy from a polymorphic object.
*
* \class CloneFactory
* \ingroup CloneFactoryGroup
* \brief Creates a copy from a polymorphic object.
*/
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 != 0;
}
bool Unregister(const TypeInfo& id)
{
return associations_.erase(id) != 0;
}
AbstractProduct* CreateObject(const AbstractProduct* model)
{
if (model == NULL)
{
return NULL;
}
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
#ifdef _MSC_VER
#pragma warning( pop )
#endif
#endif // end file guardian