treenode.h

潜在语义准备

// File:	 TreeNode.h
//
// Purpose:  Search tree node template class.  Used for sorting and identifying 
//           terms from document collection.
//
// Original Authors: H.M Deitel and P.J Deitel in C++ How to program, 
//					 Prentice Hall (1992)  
//
//
// For more details please see my BComp(Hons) thesis at www.pcug.org.au/~jdowling

#ifndef TREENODE_H
#define TREENODE_H

template< class NODETYPE > class Tree;  // forward declaration

template< class NODETYPE >
class TreeNode {
   friend class Tree< NODETYPE >;
public:
   TreeNode( const NODETYPE &d )   
      : leftPtr( 0 ), data( d ), rightPtr( 0 ) { }
   NODETYPE getData() const { return data; }
private:
   TreeNode< NODETYPE > *leftPtr;  // pointer to left subtree
   NODETYPE data;
   TreeNode< NODETYPE > *rightPtr; // pointer to right subtree
};

#endif


/**************************************************************************
 * (C) Copyright 2000 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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