//-------------------------------------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TGAPopulation 类
// = Version	:   ver2.0
// = Author		:   wlw
// = CreateDate	:   2002-09-09
// = Description:   TGAPopulation 声明
// = Maintainers: 
//                  
//-------------------------------------------------------------------------------------------------------+
#ifndef _TGAPOPULATION_H_
#define _TGAPOPULATION_H_

#ifndef _TPDLIST_H_
#include "TPDList.h"
#endif

#ifndef _TGAINDIVIDUAL_H_
#include "TGAIndividual.h"
#endif

class GEOAPI TGAPopulation : public TPDList<TGAIndividual>
{
public:
	TGAPopulation();

	virtual ~TGAPopulation();

	virtual bool IsContinue();

	virtual void Step();
	
	//种群进化单元,后代仍然有序
	virtual void Evolve();

	void SetMaxNum(long num);

	long GetMaxNum() const;

	void SetMutationRatio(long r);

	long GetMutationRatio();
	
	//增加新个体，排序，果总数超限，淘汰最后一个。	
	void Append(TGAIndividual* pNew);

protected:
	//允许最大数量
	long m_iMaxNum;

	//变异百分比
	long m_iMutationRatio;

	//进化计数
	long m_iEvolution;

};

#endif