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// Fig. 7.22: interface.cpp
// Definition of class Interface
#include "interface.h" // Interface class definition
#include "implementation.h" // Implementation class definition
// constructor
Interface::Interface( int v )
: ptr ( new Implementation( v ) ) // initialize ptr
{
// empty body
} // end Interface constructor
// call Implementation's setValue function
void Interface::setValue( int v )
{
ptr->setValue( v );
} // end function setValue
// call Implementation's getValue function
int Interface::getValue() const
{
return ptr->getValue();
} // end function getValue
// destructor
Interface::~Interface()
{
delete ptr;
} // end ~Interface destructor
/**************************************************************************
* (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
* Hall. All Rights Reserved. *
* *
* DISCLAIMER: The authors and publisher of this book have used their *
* best efforts in preparing the book. These efforts include the *
* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
* no warranty of any kind, expressed or implied, with regard to these *
* programs or to the documentation contained in these books. The authors *
* and publisher shall not be liable in any event for incidental or *
* consequential damages in connection with, or arising out of, the *
* furnishing, performance, or use of these programs. *
*************************************************************************/
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