/**
* @file ObjectGenralFactory.h
* @brief 通用的模板工厂类，支持任意数据类型作为key,value为创建任意基类的函数指针
* @date 2014-5-28
* @author: liyonggang
*/
#ifndef PAI_FRAME_OSGGENERALFACTORY_H
#define PAI_FRAME_OSGGENERALFACTORY_H
#pragma warning( push ,0)
#include <map>
#include "OSGDataModel.h"
#pragma warning( pop )

BEGIN_OSGDATAMODEL_NAMESPACE;
template <typename keyClassName,typename baseclassname>
class CObjectGenralFactory
{
public:
	typedef baseclassname* (*pCreateObjectFunction)();

	void Rigister( keyClassName key,pCreateObjectFunction  func )
	{
		m_map[key] = func;
	}
	
	baseclassname* CreateObject(keyClassName key)
	{
		typename std::map< keyClassName,pCreateObjectFunction >::iterator it = m_map.find( key );
		if ( it  != m_map.end() )
		{
			return (it->second)();
		}
		return NULL;
	}
	bool IsSupport( keyClassName s )
	{
		return m_map.find( s ) != m_map.end();
	}
	std::map< keyClassName,pCreateObjectFunction > m_map;
};

template <typename keyClassName,typename baseclassname>
class CObjectGenralFactoryAuto
{
public:
	typedef baseclassname* (*pCreateObjectFunction)();

	CObjectGenralFactoryAuto( keyClassName* keyArr,pCreateObjectFunction  func )
	{
		keyClassName defaultKey;
		for( long i = 0;;i++)
		{
			if( keyArr[i] != defaultKey )
			{
                baseclassname::GetFatory().Rigister( keyArr[i],func );
			}else
			{
				break;
			}
		}
	}
};


#define BEGIN_REGISTER(keyClassName,baseclassname,className)\
	baseclassname *Create##className()\
{\
	return new className() ;\
}\
keyClassName g_##className##RegPairs[]={\


#define END_REGISTER(keyClassName,baseclassname,className)\
	,keyClassName() };\
datamodel::CObjectGenralFactoryAuto<keyClassName,baseclassname> g_##className##GeneralRegister(g_##className##RegPairs,Create##className);


OSGDATAMODEL_EXPORT QStringList LoadAllPlugin(const QString &PluginTypeName);


END_OSGDATAMODEL_NAMESPACE

#endif