ACE/apps/drwho/Hash_Table.h

   1 /* -*- C++ -*- */
   2
   3 //=============================================================================
   4 /**
   5  *  @file    Hash_Table.h
   6  *
   7  *  @author Douglas C. Schmidt
   8  */
   9 //=============================================================================
  10
  11
  12 #ifndef _HASH_TABLE_H
  13 #define _HASH_TABLE_H
  14
  15 #include "Search_Struct.h"
  16
  17 /**
  18  * @class Hash_Table
  19  *
  20  * @brief Provides a hash function lookup abstraction for friend records.
  21  */
  22 class Hash_Table : public Search_Struct
  23 {
  24 public:
  25   Hash_Table ();
  26   virtual ~Hash_Table ();
  27   virtual Protocol_Record *insert (const char *key_name,
  28                                    int max_len = MAXUSERIDNAMELEN) = 0;
  29   virtual Protocol_Record *get_next_entry ();
  30   virtual Protocol_Record *get_each_entry ();
  31
  32 protected:
  33   enum
  34   {
  35     HASH_TABLE_SIZE = 500
  36   };
  37
  38   Protocol_Record **hash_table;
  39   Protocol_Record *current_ptr;
  40   int current_index;
  41   int hash_table_size;
  42 };
  43 #endif /* _HASH_TABLE_H */