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MySQL 5.1: Abstract_instance_cmd Class Reference

Abstract_instance_cmd Class Reference

#include <commands.h>

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Public Member Functions

 Abstract_instance_cmd (Instance_map *instance_map_arg, const LEX_STRING *instance_name_arg)
virtual int execute (st_net *net, ulong connection_id)

Protected Member Functions

virtual int execute_impl (st_net *net, Instance *instance)=0
virtual int send_ok_response (st_net *net, ulong connection_id)=0
const LEX_STRING * get_instance_name () const

Private Attributes

Instance_name instance_name

Detailed Description

Definition at line 71 of file commands.h.

Constructor & Destructor Documentation

Abstract_instance_cmd::Abstract_instance_cmd ( Instance_map *  instance_map_arg,
const LEX_STRING *  instance_name_arg 
)

Definition at line 245 of file commands.cc.

00247   :Command(instance_map_arg),
00248   instance_name(instance_name_arg)
00249 {
00250   /*
00251     MT-NOTE: we can not make a search for Instance object here,
00252     because it can dissappear after releasing the lock.
00253   */
00254 }

Member Function Documentation

int Abstract_instance_cmd::execute ( st_net *  net,
ulong  connection_id 
) [virtual]

Implements Command.

Definition at line 257 of file commands.cc.

References ER_BAD_INSTANCE_NAME, execute_impl(), Instance_map::find(), get_instance_name(), Command::instance_map, Instance_map::lock(), send_ok_response(), and Instance_map::unlock().

00258 {
00259   int err_code;
00260 
00261   instance_map->lock();
00262 
00263   {
00264     Instance *instance= instance_map->find(get_instance_name());
00265 
00266     if (!instance)
00267     {
00268       instance_map->unlock();
00269       return ER_BAD_INSTANCE_NAME;
00270     }
00271 
00272     err_code= execute_impl(net, instance);
00273   }
00274 
00275   instance_map->unlock();
00276 
00277   if (!err_code)
00278     err_code= send_ok_response(net, connection_id);
00279 
00280   return err_code;
00281 }

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virtual int Abstract_instance_cmd::execute_impl ( st_net *  net,
Instance *  instance 
) [protected, pure virtual]

Implemented in Show_instance_status, Show_instance_options, Start_instance, Stop_instance, Drop_instance, Show_instance_log, and Show_instance_log_files.

Referenced by execute().

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const LEX_STRING* Abstract_instance_cmd::get_instance_name (  )  const [inline, protected]

Definition at line 93 of file commands.h.

References Instance_name::get_str(), and instance_name.

Referenced by execute(), Drop_instance::execute_impl(), Show_instance_options::write_data(), and Show_instance_status::write_data().

00094   {
00095     return instance_name.get_str();
00096   }

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virtual int Abstract_instance_cmd::send_ok_response ( st_net *  net,
ulong  connection_id 
) [protected, pure virtual]

Implemented in Show_instance_status, Show_instance_options, Start_instance, Stop_instance, Drop_instance, Show_instance_log, and Show_instance_log_files.

Referenced by execute().

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Member Data Documentation

Instance_name Abstract_instance_cmd::instance_name [private]

Definition at line 99 of file commands.h.

Referenced by get_instance_name().

The documentation for this class was generated from the following files:
  • mysql/src/5.1-dbg/server-tools/instance-manager/commands.h
  • mysql/src/5.1-dbg/server-tools/instance-manager/commands.cc
Generated on Sat Sep 9 19:40:45 2006 for MySQL 5.1 by  doxygen 1.4.7