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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef DRIZZLED_COMP_CREATOR_H
#define DRIZZLED_COMP_CREATOR_H
namespace drizzled
{
class Item;
class Item_bool_func2;
class Comp_creator
{
public:
Comp_creator() {} /* Remove gcc warning */
virtual ~Comp_creator() {} /* Remove gcc warning */
virtual Item_bool_func2* create(Item *a, Item *b) const = 0;
virtual const char* symbol(bool invert) const = 0;
virtual bool eqne_op() const = 0;
virtual bool l_op() const = 0;
};
typedef Comp_creator* (*chooser_compare_func_creator)(bool invert);
Comp_creator *comp_eq_creator(bool invert);
Comp_creator *comp_ge_creator(bool invert);
Comp_creator *comp_gt_creator(bool invert);
Comp_creator *comp_le_creator(bool invert);
Comp_creator *comp_lt_creator(bool invert);
Comp_creator *comp_ne_creator(bool invert);
} /* namespace drizzled */
#endif /* DRIZZLED_COMP_CREATOR_H */
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