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#ifndef INCLUDES_MYSQL_INSTANCE_MANAGER_COMMAND_H
#define INCLUDES_MYSQL_INSTANCE_MANAGER_COMMAND_H
/* Copyright (c) 2004-2006 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 */
#include <my_global.h>
#if defined(__GNUC__) && defined(USE_PRAGMA_INTERFACE)
#pragma interface
#endif
/* Class responsible for allocation of IM commands. */
class Guardian;
class Instance_map;
struct st_net;
/*
Command - entry point for any command.
GangOf4: 'Command' design pattern
*/
class Command
{
public:
Command();
virtual ~Command();
/*
This operation incapsulates behaviour of the command.
SYNOPSIS
net The network connection to the client.
connection_id Client connection ID
RETURN
0 On success
non 0 On error. Client error code is returned.
*/
virtual int execute(st_net *net, ulong connection_id) = 0;
protected:
Guardian *guardian;
Instance_map *instance_map;
};
#endif /* INCLUDES_MYSQL_INSTANCE_MANAGER_COMMAND_H */
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