keytable.hpp

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/* Copyright (C) 2003 MySQL AB

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#ifndef KEY_TABLE_HPP
#define KEY_TABLE_HPP

#include <DLHashTable.hpp>

/**
 * KeyTable2 is DLHashTable2 with hardcoded Uint32 key named "key".
 */
template <class T>
class KeyTable : public DLHashTable<T> {
public:
  KeyTable(ArrayPool<T>& pool) :
    DLHashTable<T>(pool) {
  }

  bool find(Ptr<T>& ptr, const T& rec) const {
    return DLHashTable<T>::find(ptr, rec);
  }

  bool find(Ptr<T>& ptr, Uint32 key) const {
    T rec;
    rec.key = key;
    return DLHashTable<T>::find(ptr, rec);
  }
};

#endif