keyeditem.h

Data Abstraction & Problem Solving with C++源码

// *********************************************************
// Header file KeyedItem.h.
// Provides basis for classes that need a search key value.
// *********************************************************
// Must define KeyType before compilation
//typedef desired-type-of-search-key KeyType;
typedef int KeyType;

class KeyedItem
{
public:
   KeyedItem() {};
   KeyedItem(const KeyType& keyValue) : searchKey(keyValue) {}
   KeyType getKey() const // returns search key
   {   
      return searchKey;
   }  // end getKey
private:
   KeyType searchKey;
};  // end KeyedItem class