undo_item Class Reference

#include <item.h>

Inheritance diagram for undo_item:

Public Member Functions
virtual	~undo_item ()
	undo_item ()
void	act ()
virtual void	unfinished ()=0
Protected Member Functions
virtual void	action ()=0
Private Member Functions
	undo_item (const undo_item &)
undo_item &	operator= (const undo_item &)
Private Attributes
int	uid
int	gid
int	umask

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Detailed Description

The undo_item class is used to represent an abstract undo action to be perfomed in the event of command failure.

Definition at line 27 of file item.h.

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Constructor & Destructor Documentation

virtual undo_item::~undo_item

(

)

[virtual]

The destructor.

undo_item::undo_item

(

)

The default constructor.

undo_item::undo_item

(

const undo_item &

)

[private]

The copy constructor. Do not use.

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Member Function Documentation

void undo_item::act

(

)

The act method is used to perform the undo action; it first sets the appropriate user, and then call sthe action() method.

virtual void undo_item::unfinished

(

)

[pure virtual]

The unfinished method is used to print a warning about unfinished undo action. This happens when there is an undo error. The default action says nothing.

Implemented in undo_item_chmod, undo_item_chmod_errok, undo_item_message, undo_item_rename, undo_item_rmdir_bg, undo_item_rmdir_errok, and undo_item_unlink_errok.

virtual void undo_item::action

(

)

[protected, pure virtual]

The action method is used to perform the undo action.

Implemented in undo_item_chmod, undo_item_chmod_errok, undo_item_message, undo_item_rename, undo_item_rmdir_bg, undo_item_rmdir_errok, and undo_item_unlink_errok.

undo_item& undo_item::operator=

(

const undo_item &

)

[private]

The assignment operator. Do not use.

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Field Documentation

int undo_item::uid [private]

The uid instance variable is used to remember the user ID to be used when performing the action.

Definition at line 64 of file item.h.

int undo_item::gid [private]

The gid instance variable is used to remember the group ID to be used when performing the action.

Definition at line 70 of file item.h.

int undo_item::umask [private]

The umask instance variable is used to remember the user permissions mask to be used when performing the action.

Definition at line 76 of file item.h.

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The documentation for this class was generated from the following file:

• libaegis/undo/item.h