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/* Copyright (C) 2005 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; either version 2 of the License, or
(at your option) any later version.
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 _MYXRESULTSET_H_
#define _MYXRESULTSET_H_
#include "myx_public_interface.h"
#include <list>
enum MYXRSEditStatus {
MESUnchanged,
MESChanged,
MESPlaceHolder,
MESAdded,
MESDeleted
};
enum MYXRSCompareStatus {
MCSMatch,
MCSDiffers,
MCSOnlyInThis,
MCSOnlyInOther
};
class MYXResultSet;
struct MYXResultSetCallbacks {
void (*row_added)(MYXResultSet *rs, unsigned int row);
void (*row_deleted)(MYXResultSet *rs, unsigned int row);
void (*row_changed)(MYXResultSet *rs, unsigned int row);
};
class MYXResultSet {
public:
class RSChange;
void *object;
protected:
MYX_RESULTSET *_resultset;
MYXResultSetCallbacks _callbacks;
unsigned int _new_rows;
bool _placeholder;
std::list<RSChange*> _changes;
void pack();
bool row_has_changes(unsigned int row);
RSChange* find_change(unsigned int row, unsigned int column) const;
public:
MYXResultSet(MYX_RESULTSET *rs, const MYXResultSetCallbacks &cbacks);
virtual ~MYXResultSet();
unsigned int add_row();
void delete_row(unsigned int row);
void set_placeholder_enabled(bool flag);
MYXRSEditStatus get_edit_status(unsigned int row, unsigned int column) const;
MYXRSCompareStatus get_compare_status(unsigned int row, unsigned int column);
bool isNull(unsigned int row, unsigned int column);
bool get(unsigned int row, unsigned int column,
char *&value, size_t &size) const;
void set(unsigned int row, unsigned int column,
const char *value, size_t size);
MYX_RS_COLUMN_TYPE get_column_type(unsigned int column);
bool get_row_editable(unsigned int row) const;
unsigned int get_row_count() const;
void pre_commit();
void post_commit(bool failed);
void discard_changes();
bool has_changes();
MYX_RESULTSET *get_resultset() { return _resultset; };
};
#endif /* _MYXRESULTSET_H_ */
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