#include "StdAfx.h"
#include "Subject.h"


CSubject::CSubject(void)
{
}
CSubject::~CSubject(void)
{
}
//注册观察者
void CSubject::Attach(CObserver *p)
{
     m_ObserverVec.push_back(p);
}
//删除观察者
void CSubject::Delete(CObserver *p)
{
     vector<CObserver*>::iterator iter = m_ObserverVec.begin();
     vector<CObserver*>::iterator iter_end = m_ObserverVec.end();
     for(;iter!=iter_end;iter++)
     {
          if((*iter) == p)
          {
               m_ObserverVec.erase(iter);
               break;
          }
     }
}
//通知所有观察者更新
void CSubject::NotifyObservers()
{
     vector<CObserver*>::iterator iter = m_ObserverVec.begin();
     vector<CObserver*>::iterator iter_end = m_ObserverVec.end();
     for(;iter!=iter_end;iter++)
     {
          (*iter)->Update();
     }
}
void CSubject::SetObserversVal1(double val)
{
     vector<CObserver*>::iterator iter = m_ObserverVec.begin();
     vector<CObserver*>::iterator iter_end = m_ObserverVec.end();
     for(;iter!=iter_end;iter++)
     {
          (*iter)->SetVal1(val);
     }
}