JP3532933B2 - File protection device in information processing device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a file protection device in an information processing device, and more particularly to a file protection device for simultaneously editing the same file stored in an auxiliary storage device a plurality of times. The present invention relates to a file protection device in an information processing device for performing file protection when called on a main storage unit. [0002] In the information processing apparatus for editing by calling the stored files in the auxiliary storage device on the main storage unit, the editing processing of the same file at the same time a plurality of operator using the terminal, respectively In the file control in the case of performing , conventionally, only the first loaded file is writable, and other files are prohibited from being written. In this case, for the other files, the same file as the file being edited is loaded on the main storage unit despite being write-protected, or the operator who did not load it because of write-protection In addition, the information that the editable file has been written back from the main storage unit to the auxiliary storage device after the editing is completed is not transmitted. [0005] As described above, in the conventional file control, information indicating that a file being edited has been written back from the main storage unit to the auxiliary storage device after the editing has been completed is transmitted to another operator . There is a problem in that file management becomes inefficient because it is not transmitted to the terminal . Accordingly, an object of the present invention is to provide a terminal for an operator who has issued an editing request to the same file as the file being edited, and the edited file is transferred from the main storage unit to the auxiliary storage device. It is an object of the present invention to provide a file protection device that allows an editable file to be loaded into a main storage unit by notifying that the file has been rewritten, thereby enabling the file to be handled efficiently. According to the first aspect of the present invention, (a) an editing process is performed on a file loaded from an auxiliary storage device into a main storage unit, and a plurality of terminals execute the editing process. When the same file is loaded from the auxiliary storage device to the main storage unit, only the file handled by the operator's terminal loaded first can be written and the other operator's terminals can be written.
Another is the same file and the file editing processing means for enabling only reading handled, (b) when the main storage unit files the same as loaded in the file is not being edited, the priority information stored on the main storage unit a priority information storage unit creating means for creating a part, and that is (c) when there files the same file of editing request is already being edited, the file is not write edit request has been made A write disable notification unit that displays a message asking whether to register information as an operator who has made an edit request in the priority information storage unit on a screen of a corresponding operator terminal ; D) The write-disabled notifying means asks whether or not to register information as an operator, and is activated only when a positive response is obtained, and the positive response information is stored in the priority information storage unit. Operator information A priority information registering means for registering with priority, when the (e) editable file is written back to the auxiliary storage device from the main storage unit, information on the priority information storage unit is registered with respect to each of the terminals of the operator, the file
Attribute change notifying means for notifying that an editable file has been written back from the main storage unit to the auxiliary storage device in descending order of priority until a terminal that loads the file appears;
Files that can be edited by the notification of this attribute change notification means
Pair to the terminal of the operator when loading the terminal has emerged
Then, the designated file calling means for loading the editable file onto the main storage unit is provided in the file protection device of the information processing device. In this file protection apparatus, when the same file as the file loaded in the main storage is not being edited, the priority information storage is created on the main storage by the priority information storage creator. If the same file that was requested to be edited is already being edited,
Together with information operator to priority information storage unit by the priority information registering means is registered, the operator of the terminal screen which file editing request is made by the write disable notification means corresponds is that is not writable Will be displayed. Ma
When an editable file is written back from the main storage unit to the auxiliary storage device , the file is loaded to each terminal of the operator whose information is registered in the priority information storage unit.
Can be edited in order of priority until a terminal to be loaded appears
File was written back from main storage to auxiliary storage
Been notified of the fact, then, to load an editable file
When a terminal appears,
Then , the editable file is loaded onto the main storage unit by the designated file calling means. According to a second aspect of the present invention, there is provided a file protection apparatus for an information processing apparatus, wherein the attribute change notifying means according to the first aspect loads a rewritten editable file into a main storage unit. Applicable to the message
Means to display on the operator's terminal that performs
It is activated only when there is a positive response from the terminal to the message displayed on the member's terminal . An embodiment of the present invention will be described below with reference to the drawings.
Will be explained. 1 and 2 relate to a first embodiment of the present invention.
Things. FIG . 1 includes the file protection device of the present embodiment.
FIG. 2 is a block diagram illustrating a configuration of an information processing device. In this figure
As shown, the information processing apparatus 10 is an input / output unit.
Display 20, keyboard 30, mouse 40, auxiliary
The storage device 50 and the plurality of terminals 60, 61,.
Have been. The information processing apparatus 10 includes a central processing unit (not shown).
And a program to be executed by this central processing unit.
And a main storage unit 11 serving as a working area.
ing. Then, the central processing unit executes the program .
Thus, the file editing processing means 110
Report storage section creation means 120, message display means 130,
Priority information registration means 140 and specified file call
Means 150 are realized. In addition,
On the storage unit 11, the priority information storage unit creating unit 120
Thus, the priority information storage unit 160 is created.
ing. In addition, the message display means 130
Consists of a rejection notification unit 131 and an attribute change notification unit 132
Have been. [0010] The file editing processing means 110
.. For files writable by the terminals 60, 61,.
Of the auxiliary storage device 50
Load a file into the main storage unit 11 and perform editing processing
Things. This file editing processing means 110
The same file as the requested file is already being edited
Changes the file attribute to "writable"
After that, the write disable notification unit 131 and the priority information registration
Activate column 140 and make sure the same file is not being edited
Create priority information storage without changing file attributes
Activates the means 120 and stores the designated file in the main storage unit 11.
To load. [0011] The priority information storage section creating means 120 stores
File that can be edited by the
When loaded from the auxiliary storage device 50 to the main storage unit 11
And the priority information storage unit 160 is stored in the main storage unit 11.
Create The message display means 130 is located at the end of each operator.
End 60, 61, ... message on the display screen
Is displayed, and the write disable notification unit 131 is displayed.
Indicates that the attribute is “written” by the file editing processing unit 110.
Is the file changed to "unable to be loaded" in the auxiliary storage device 50?
Is activated when loaded on the main storage unit 11
The above message indicates that the specified file has been changed to write-protected.
Display a message. Attribute change notification means 132
Indicates that the editable file is
When the data is written back to the auxiliary storage device 50, the priority information
An operator terminal 60 whose information is registered in the storage unit 160,
61, ..., editable files in descending order of priority.
Is written back from the main storage unit 11 to the auxiliary storage device 50.
A shall be notified was, especially in the present embodiment, priority
If the information of the operator is registered in the information storage unit 160,
If the file is written back, it is "writable" in the main memory.
Give priority to the message asking whether to load
Priority of operator information registered in the right information storage unit 160
Display in descending order. The priority information registration means 140 is already editing
Operation that issued an edit request for the same file as another file
The member information is stored in the priority information storage unit 160. The designated file calling means 150 has an attribute
The terminal 6 of the operator with high priority by the change notification means 132
0, 61,... Displayed on the display screen.
The operator enters “Y”, which is a positive response to the message
File that can be started and edited by pressing
It is loaded on the storage unit 11. The priority information storage unit 160 stores the file being edited.
File from the auxiliary storage device 50 to the main storage unit 1
Main memory to register the information of the operator loaded in 1.
This is an area secured on the unit 11. Next, referring to the flowchart of FIG.
The operation of the embodiment will be described. First, step (hereinafter, referred to as S) 20.
0 means that the operator has
To the file editing processing unit 110
to start. Next, in S202, the file requested to be edited is
Whether it is writable, that is, the file requested to be edited
Determines if the same file is being edited by another
You. The same file as the file requested to be edited
Is not currently being edited ("Y"), the file is
Priority information storage section created by file editing processing means 110
The means 120 is started and the main memory 11 is
Preemption information storage section 160 is secured and can be edited in S208
Is loaded into the main storage unit 11. Next, S2 1
0, the editing work by the file editing processing means 110
After the work is completed, the file is stored in the main storage unit in S212.
When the data is written back to the auxiliary storage device 50 from S11, S214
Starts the attribute change notification means 132, and takes priority in S216.
Whether the operator information is registered in the right information storage unit 160
Determine whether or not. End if not registered (“N”)
If it is registered (“Y”), the priority
Auxiliary storage device for high operator terminals 60, 61, ...
The editable file written back to the main storage unit 11
Display a message asking whether or not to load
At 20 the operator affirms this message ("Y")
Is determined or a negative (“N”) is input.
If the operator has input affirmative (“Y”), S224
Starts the designated file calling means 150, and S20
8, the editable file is stored in the main storage unit 11.
Loaded. On the other hand, in S220, the message is manipulated.
When the operator inputs “N”, the operation that input “N”
No processing is performed on the terminal 60, 61, ...
First, in S222, another operator is stored in the priority information storage unit 160.
It is determined whether or not the information is registered. Registered
If there is ("Y"), the process returns to S218. That is, priority
Information of other operators is registered in the information storage unit 160
To the registered operator terminals 60, 61,.
To load a similarly editable file into the main storage unit 11.
Display a message asking if
Return. In S222, the information registered in the priority information
.. For all the operating terminals 60, 61,.
When the display of the message ends, the process ends. In step S202, the file requested to be edited is
When the same file as the file is already being edited ("N")
Is requested to be edited by the file editing processing means 110.
The attribute of the file becomes "write protected" and S226
To start the write disable notification means 131 and
At 230, the priority information registration means 140 is activated. Writing
The other operator is editing by the
Message of write-protection
On the screen of the terminal 60, 61,... Of the operator who made the editing request
Will be displayed. With this message, the operator
It recognizes that the file is prohibited write is. Also,
The priority information storage unit 1 stores the priority information
60, the information of the operator who made the file editing request is registered.
Is recorded. Next, in S232, the designated file is
Is loaded into the main storage unit 11 in the prohibited narrowing tree ", to the end. [0021] Thus, according to this embodiment, full of editing
The operator who issued the edit request for the same file as the file
The edited files are stored in the main memory of the terminals 60, 61,.
Priority is given to writing back from the unit 11 to the auxiliary storage device 50
Notify in descending order, and editable files are stored in the main storage unit 1
Efficiently retrieve files by loading them into
Be able to handle. Next, a second embodiment of the present invention will be described.
You. The structure of this embodiment is the same as that of the first embodiment shown in FIG.
Approximately the same, except that the write
The operation of the information registration means 140 differs from that of the first embodiment.
You. That is, the write disable notification unit in the present embodiment
131 indicates that the attribute is set by the file editing processing unit 110.
The file changed to “writable” is the auxiliary storage device
It is started when it is loaded from 50 into the main memory 11.
And the specified file is changed to write-protected on the screen.
On the message and the priority information storage unit 160
Display a message asking if you want to register employee information
You. Further, the priority information registration unit 140 in the present embodiment
Is the priority displayed by the write disable notification unit 131
Whether to register operator information in the right information storage unit 160.
Operator responds affirmatively to message to ask
It is started by inputting “Y” and the file that is already being edited
An operation that requests editing for the same file as the file
The information of the artist is registered in the priority information storage unit 160. Next, referring to the flowchart of FIG.
The operation of the embodiment will be described. In this embodiment, S226 to S226 in FIG.
The operation of H.232 is different from that of the first embodiment . That is,
In this embodiment, the file requested to be edited in S202 is
If the same file is already being edited ("N"),
The file requested to be edited by the file editing processing means 110
The attribute of the file becomes “write protected”, and the
The recording-impossible notification means 131 is activated, and another operator edits it.
A message that writing is prohibited due to concentration and priority
Message asking whether to register in the rights information storage unit 160
And the terminal 6 of the operator who has issued the file editing request.
.. Are displayed on the screen of 0, 61,. This
Operator writes the specified file
The priority information storage unit 160
Decide whether to register. In S228, the write failure
For the message displayed by the permission notification means 131
The operator inputs affirmative (“Y”) or negative (“N”)
Determine whether you have entered. Operator inputs affirmative (“Y”)
If so, the priority information registration means 140
It is started, and the file is edited in the priority information storage unit 160.
The information of the operator who made the request is registered. Next, S232
The specified file is "write protected" and the main storage
11 and finished. On the other hand, in S228,
To the message displayed by the
On the other hand, if the operator inputs negative (“N”),
Preemption information registration means 140 is not activated and specified in S232
The written file is stored in the main storage
And exit. As described above, according to the present embodiment, the priority information
The operator determines whether or not to register operator information in the storage unit 160.
Can be selected.
Of the files written back to device 50, the operator needs
Can be loaded into the main storage unit 11,
Be able to handle files more efficiently
You. Other configurations, operations and effects are the same as those of the first embodiment.
Same as in the example. [0028] [Effect of the Invention] As described above claim 1 and wherein
According to the invention in claim 2, identical to the file being edited file
To the terminal of the operator who made the edit request for the file
The edited file is written from main storage to auxiliary storage.
Notifies that the file has been returned and saves the editable file in main storage
Files can be loaded efficiently
There is an effect that it becomes possible to handle.
Attribute change notification means can be edited in order of priority
File was written back from main storage to auxiliary storage
File management according to priority.
There is also an effect that can be.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a configuration of an information processing device including a file protection device according to a first embodiment of the present invention. FIG. 2 is a flowchart showing the operation of the first embodiment of the present invention. FIG. 3 is a flowchart showing the operation of the second embodiment of the present invention. DESCRIPTION OF SYMBOLS 10 Information processing device 11 Main storage unit 50 Auxiliary storage device 110 File editing processing unit 120 Priority information storage unit creation unit 130 Message display unit 131 Write disable notification unit 132 Attribute change notification unit 140 Priority information registration unit 150 Specified file calling means 160 Priority information storage unit

Continuation of the front page (56) References George F. Cowlowris Outside Author / Translated by Tadanori Mizuno, Distributed System Concept and Design. Japan, Denki Shoin Co., Ltd., 1991.6.15, 1st edition, p.p. 263-279 Kenji Hirano, 1-2-3 / Attraction of SPARC, Software Design, Japan, Software Design, 1992.6.18, tsumu 87 (published issue 21), pp. 2-8 Richard Stallman / Ikuo Takeuchi Foreign translation, bit separate volume GNU Emacs manual, Japan, Kyoritsu Shuppan Co., Ltd., 1988.2.15, pp. 69-82 Shoji Wake, PC LAN database! ! , Computer & Network LAN, Ohmsha, Japan, 1992.8.1, Vol. 124-129 Toshio Tsuji, Construction of Distributed DBMS in Unix 6, Interface, CQ Publishing Co., Ltd., 1991.12.1, Vol. 275-282 (58) Fields investigated (Int. Cl. ⁷ , DB name) G06F 12/00

Claims (1)

(57) [Claims 1] An editing process is performed on a file loaded from an auxiliary storage device to a main storage unit, and the same file is loaded from the auxiliary storage device to the main storage unit by a plurality of terminals. File editing processing means that only the file handled by the operation terminal loaded first can be edited and other identical files handled by the other operation terminals can be read only, and the file loaded in the main storage unit Is editable
If, priority information storage unit and the priority information storage unit generation means for generating, a file loaded in the main storage unit is read-only on the main storage unit
In some cases, the operation in which the file and that is not editable, the appropriate message asking whether or not to register the information as the operation terminal performing the editing request to the priority information storage unit
An edit- disabled notifying means for displaying and notifying on the screen of the terminal ; and activated only when an affirmative answer is obtained from the operation terminal in response to the notification from the edit- disabled notifying means; The information of the operation terminal that has given this affirmative answer to the information storage unit is
Priority information registration means for registering with priority, and information is registered in the priority information storage unit when a file which has become editable is written back from the main storage unit to the auxiliary storage device. Edit the file for the operation terminal .
An attribute change notifying means for notifying that the file has been written back from the main storage unit to the auxiliary storage device in descending order of priority until a terminal to be loaded as a collectable file appears; When a terminal for loading the editable file appears , the operation terminal
File protection device in an information processing apparatus characterized by comprising a specified file calling means for loading the file editable on the main storage unit for.