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       1                 :            : // Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
       2                 :            : //
       3                 :            : // Permission to use, copy, modify, and/or distribute this software for any
       4                 :            : // purpose with or without fee is hereby granted, provided that the above
       5                 :            : // copyright notice and this permission notice appear in all copies.
       6                 :            : //
       7                 :            : // THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
       8                 :            : // REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
       9                 :            : // AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
      10                 :            : // INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
      11                 :            : // LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
      12                 :            : // OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
      13                 :            : // PERFORMANCE OF THIS SOFTWARE.
      14                 :            : 
      15                 :            : #ifndef __NSAS_ENTRY_COMPARE_H
      16                 :            : #define __NSAS_ENTRY_COMPARE_H
      17                 :            : 
      18                 :            : #include "hash_key.h"
      19                 :            : #include "hash_table.h"
      20                 :            : 
      21                 :            : namespace isc {
      22                 :            : namespace nsas {
      23                 :            : 
      24                 :            : /// \brief Hash Table Comparison Object
      25                 :            : ///
      26                 :            : /// The HashTable class requires a comparison object that checks if an object
      27                 :            : /// matches a hash key.  This check can be generalised for objects derived from
      28                 :            : /// NsasEntry, as they all have the hashKey() method; this class takes
      29                 :            : /// advantage of that.
      30                 :            : template <typename T>
      31                 :        223 : class NsasEntryCompare : public HashTableCompare<T> {
      32                 :            : public:
      33                 :            : 
      34                 :            :     // The default constructor is OK for this class.
      35                 :            : 
      36                 :            :     /// \brief Comparison Function
      37                 :            :     ///
      38                 :            :     /// Checks the hash key given against the hash key provided by the NSAS
      39                 :            :     /// element.
      40                 :            :     ///
      41                 :            :     /// \param object Pointer to the object
      42                 :            :     /// \param key Hash key to compare against.
      43                 :            :     ///
      44                 :            :     /// \return true if the object matches the key.
      45                 :       2448 :     virtual bool operator()(T* object, const HashKey& key) const {
      46                 :       2448 :         return (object->hashKey() == key);
      47                 :            :     }
      48                 :            : };
      49                 :            : 
      50                 :            : } // namespace nsas
      51                 :            : } // namespace isc
      52                 :            : 
      53                 :            : #endif // __NSAS_ENTRY_COMPARE_H