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61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
#ifndef INCLUDES_MYSQL_INSTANCE_MANAGER_COMMAND_H
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#define INCLUDES_MYSQL_INSTANCE_MANAGER_COMMAND_H
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/* Copyright (C) 2004 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#include <my_global.h>
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#if defined(__GNUC__) && defined(USE_PRAGMA_INTERFACE)
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#pragma interface
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#endif
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/* Class responsible for allocation of IM commands. */
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class Guardian;
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class Instance_map;
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struct st_net;
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/*
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Command - entry point for any command.
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GangOf4: 'Command' design pattern
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*/
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class Command
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{
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public:
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Command();
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virtual ~Command();
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/*
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This operation incapsulates behaviour of the command.
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SYNOPSIS
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net The network connection to the client.
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connection_id Client connection ID
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RETURN
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0 On success
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non 0 On error. Client error code is returned.
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*/
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virtual int execute(st_net *net, ulong connection_id) = 0;
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protected:
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Guardian *guardian;
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Instance_map *instance_map;
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};
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#endif /* INCLUDES_MYSQL_INSTANCE_MANAGER_COMMAND_H */
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