StaticModule模板

#ifndef __STATICMODULE_H
#define __STATICMODULE_H

#include <iostream>
#include <cassert>

template <class T>
class StaticModule
{
protected:
    static T* s_instance;

public:
    static void init()
    {
        if (s_instance)
            assert(0);
        
        s_instance=new T;
    }

    static T& getInstance()
    {
        if (s_instance == 0)
        {
            //cout<<"Module "<<s_instance->myName()<<" is not initialized."<<endl;
            
            assert(0);
        }
        
        //boost::mutex mutex;
        //boost::mutex::scoped_lock scoped_lock(mutex);
        return *s_instance;
    }
    
    static T* getInstancePtr()
    {    
        if (s_instance == 0)
        {
            assert(0);
        }
        return s_instance;
    }
};

template <class T>
T* StaticModule<T>::s_instance = 0;

#endif //__STATICMODULE_H