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Bridge Pattern - Bridging the gap between Interface and Implementation

, 8 Jan 2001
This article discusses the Bridge Pattern, what it is, why and when it is needed.
// BridgeDoc.h : interface of the CBridgeDoc class
//
/////////////////////////////////////////////////////////////////////////////
#include "Image.h"
#include "ImageImp.h"

class CBridgeDoc : public CDocument
{
protected: // create from serialization only
	CBridgeDoc();
	DECLARE_DYNCREATE(CBridgeDoc)

// Attributes
public:
	CImage		* m_pImage;

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CBridgeDoc)
	public:
	virtual BOOL OnOpenDocument(LPCTSTR lpszPathName);
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CBridgeDoc();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CBridgeDoc)
	virtual void OnFileOpen();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

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About the Author

T. Kulathu Sarma
Switzerland Switzerland
Kulathu Sarma is working as a Technology Manager for GoldAvenue, a company based in Geneva, Switzerland and responsible for supporting e-business initiatives of GoldAvenue in B2B and B2C Sectors. He has been programming in C/C++ for 9 years and actively working on Patterns for the past 5 years.

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