ACE/ace/Node.h

   1 // -*- C++ -*-
   2
   3 //=============================================================================
   4 /**
   5  *  @file Node.h
   6  *
   7  *  @author Doug Schmidt
   8  */
   9 //=============================================================================
  10
  11
  12 #ifndef ACE_NODE_H
  13 #define ACE_NODE_H
  14 #include /**/ "ace/pre.h"
  15
  16 #include /**/ "ace/config-all.h"
  17
  18 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  19 # pragma once
  20 #endif /* ACE_LACKS_PRAGMA_ONCE */
  21
  22 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
  23
  24 // Forward declarations.
  25 template <class T, class C> class ACE_Unbounded_Set_Ex;
  26 template <class T, class C> class ACE_Unbounded_Set_Ex_Iterator;
  27 template <class T, class C> class ACE_Unbounded_Set_Ex_Const_Iterator;
  28 template <class T> class ACE_Unbounded_Queue;
  29 template <class T> class ACE_Unbounded_Queue_Iterator;
  30 template <class T> class ACE_Unbounded_Queue_Const_Iterator;
  31 template <class T> class ACE_Unbounded_Stack;
  32 template <class T> class ACE_Unbounded_Stack_Iterator;
  33
  34 /**
  35  * @class ACE_Node
  36  *
  37  * @brief Implementation element in a Queue, Set, and Stack.
  38  */
  39 template<class T, class C = void>
  40 class ACE_Node
  41 {
  42 public:
  43   friend class ACE_Unbounded_Queue<T>;
  44   friend class ACE_Unbounded_Queue_Iterator<T>;
  45   friend class ACE_Unbounded_Queue_Const_Iterator<T>;
  46   friend class ACE_Unbounded_Set_Ex<T, C>;
  47   friend class ACE_Unbounded_Set_Ex_Iterator<T, C>;
  48   friend class ACE_Unbounded_Set_Ex_Const_Iterator<T, C>;
  49   friend class ACE_Unbounded_Stack<T>;
  50   friend class ACE_Unbounded_Stack_Iterator<T>;
  51
  52   /// This isn't necessary, but it keeps some compilers happy.
  53   ~ACE_Node (void);
  54
  55   ACE_ALLOC_HOOK_DECLARE;
  56
  57 private:
  58   ACE_Node (const T &i, ACE_Node<T, C> *n);
  59   ACE_Node (ACE_Node<T, C> *n = 0, int = 0);
  60   ACE_Node (const ACE_Node<T, C> &n);
  61 private:
  62   /// Not possible
  63   void operator= (const ACE_Node<T, C> &);
  64
  65 private:
  66   /// Pointer to next element in the list of ACE_Nodes.
  67   ACE_Node<T, C> *next_;
  68
  69   /// Current value of the item in this node.
  70   T item_;
  71 };
  72
  73 ACE_END_VERSIONED_NAMESPACE_DECL
  74
  75 #if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
  76 #include "ace/Node.cpp"
  77 #endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
  78
  79 #if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
  80 #pragma implementation ("Node.cpp")
  81 #endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
  82
  83 #include /**/ "ace/post.h"
  84 #endif /* ACE_NODE_H */