Factory.h

[詳解]

// -*- C++ -*-
#ifndef RTC_FACTORY_H
#define RTC_FACTORY_H

#include <coil/Properties.h>
#include <rtm/NumberingPolicyBase.h>
#include <rtm/NumberingPolicy.h>


namespace RTC 
{
  class RTObject_impl;
  class Manager;
  
  typedef RTObject_impl* (*RtcNewFunc)(Manager* manager);
  typedef void (*RtcDeleteFunc)(RTObject_impl* rtc);
  
  template <class _New>
  RTObject_impl* Create(Manager* manager)
  {
    return new _New(manager);
  }
  
  template <class _Delete>
  void Delete(RTObject_impl* rtc)
  {
    delete rtc;
  }
  
  class FactoryBase
  {
  public:
    FactoryBase(const coil::Properties& profile);
    
    virtual ~FactoryBase(void);
    
    virtual RTObject_impl* create(Manager* mgr) = 0;
    
    virtual void destroy(RTObject_impl* comp) = 0;
    
    virtual coil::Properties& profile();
    
    virtual int number();
    
  protected:
    coil::Properties m_Profile;
    
    int m_Number;
  };
  
  class FactoryCXX
    : public FactoryBase
  {
  public:
    FactoryCXX(const coil::Properties& profile,
               RtcNewFunc new_func,
               RtcDeleteFunc delete_func,
               RTM::NumberingPolicyBase* policy = new RTM::ProcessUniquePolicy());
    
    virtual ~FactoryCXX()
    {
      delete m_policy;
    }

    virtual RTObject_impl* create(Manager* mgr);
    
    virtual void destroy(RTObject_impl* comp);
    
  protected:
    RtcNewFunc m_New;
    
    RtcDeleteFunc m_Delete;
    
    RTM::NumberingPolicyBase* m_policy;
  };
};
#endif // RTC_FACTORY_H