smtclnr.h

设计模式之singleton模式例程

// SmtClnr.h : interface and implementation of CSmartCleaner class
//
/////////////////////////////////////////////////////////////////////////////

// CSmartCleaner is responsible for the cleanup of the object associated with it
// during its destruction

// Written by : T. Kulathu Sarma

// This file is part of Singleton application to demonstrate the concept of Singleton classes.
// This file is provided "as is" with no expressed or implied warranty.

#ifndef _SMARTCLEANER
#define _SMARTCLEANER

class CSmartCleaner
{
	// Constructor / Destructor
	public :
		CSmartCleaner( CObject * pObject = NULL ) : m_pObject( pObject ) { }
		virtual ~CSmartCleaner() 
		{
			// Step 1 - Cleanup m_pObject
			if( m_pObject != NULL )
			{
				delete m_pObject;
			}
		}

	// Get / Set pointer methods
	public :
		void SetObject( CObject * pObject )
		{
			m_pObject = pObject;
		}
		CObject * GetObject()
		{
			return m_pObject;
		}

	// Attributes
	private :
		CObject * m_pObject;
};
#endif