JP3300156B2 - Recovery method in case of CAD system failure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for restoring a database in the event of a CAD system failure.

[0002]

Conventionally, in the event of a failure of the CAD system, there is a way to recover and how to recover the data from the operation operation record to the database, the data directly from the operation record containing the operation of the end-user. The method of restoring data from the record of the operation calculation on the database is a method exclusively used for data recovery. The operation calculation on the database when the CAD system is used is recorded, and the data is restored based on the record. Things. After data recovery, the system is restarted. End you
How to recover data directly operations The from the recorded operation recording is a method also used for demonstration such systems, pre-operation of all end users including the moving locus of the character editing and a mouse The system is restored by recording it and reproducing it.

[0003]

However, the conventional method of restoring a CAD system in the event of a failure has the following problems. According to the method of restoring data from the record of the operation calculation for the database, the change in the state of the system other than the database cannot be reproduced. Therefore, the data restoration is easy, but the failure analysis and the like are difficult. Also,
According to the operation of the end-user from the recorded operation recorded in a way to recover the data directly, to reproduce all be up temporary operations that do not affect the state of the system such as the movement trajectories of the character editing and mouse. Therefore, it took time to recover the system.

[0004]

In order to solve the above-mentioned problems, the present invention relates to a method for restoring a CAD system in the event of a failure in a CAD system and restoring a database, the method comprising the steps of: operation users, the CAD performed during use of the
Whether the operation does not affect the state of the system or the operation that affects the state of the CAD system
A recording process is performed to record only the operation history affecting the state of the CAD system in the operation record file, and the CAD system recorded in the operation record file when the failure occurs is selected for each operation. The operation of the user up to the occurrence of the failure by activating the CAD system is reproduced based on a history of operations that affect the state of the user.

[0005]

According to the present invention, as described above, the recovery method in the event of a failure in the CAD system is configured. Thus, the operation that affects the state of the CAD system is selected from the user operations by the recording process. Only the operation history is recorded in the operation record file. When a failure occurs, CAD operation is performed based on the operation history recorded in the operation record file.
By starting the system, the user's operation until the failure occurs is reproduced. Therefore, the above problem can be solved.

[0006]

FIG. 1 is a functional block diagram of a CAD system showing an embodiment of the present invention. The CAD system includes, for example, a keyboard and a mouse input / output device, a central processing unit including a CPU, a memory for storing data,
A plurality of files for storing data
There the U is memory performs graphic processing and editing calls the data by the instruction is configured to store a file. The CAD system shown in FIG. 1 includes a main processing unit 10 for performing graphic input and editing work in the CAD system, and an operation event control unit 11 for controlling events generated by user operations such as a keyboard and a mouse. The unit 11 performs a process of returning a control result of each event to each processing unit having a call request. Operation event control unit 11
Is one of the call sources of the operation event control unit 11, and the coordinate value input unit 21
Is to move the mouse pointer on the screen in accordance with the movement of the mouse and input the coordinate values. The caller of the coordinate value input unit 21 is the coordinate value data selection unit 22,
The coordinate value data selection unit 22 performs a process of automatically selecting whether or not to reproduce a coordinate value input and returning it to the caller.
The operation event control unit 11, constant-type format input unit 31 for inputting and editing characters and text on the screen of the constant-type format is connected. Calling constant type format input unit 31 is a constant type <br/> format data selection unit 32, the constant-type format data selecting unit 32 automatically selects whether to reproduce the constant type format input the process of returning to the caller a constant type format data Te apply.
The operation event control unit 11, further, the command input unit 41 is connected to input commands menu <br/> New over by moving the mouse pointer on the screen to match the command input unit 41 to the movement of the mouse . The caller of the command input unit 41 is a command data selection unit 42, and the command data selection unit 42 automatically selects whether or not to reproduce the command input and returns the command data to the caller. Each coordinate value data selecting section 22, the constant-type format data selecting section 32,
The main processing unit 10 is a calling source for the command data selection unit 42.

[0007] This CAD system has an operation reproduction file 51. The operation reproduction file 51 is a file in which an operation procedure of a user to be reproduced is written in advance in preparation for occurrence of a failure. An operation reproduction control unit 52 for reading and controlling data with respect to the operation reproduction file 51 is provided,
From the operation reproduction control unit 52 to each coordinate value data selection unit 22, fixed format data selection unit 32, and command data selection unit 4
2 is a configuration in which data is transmitted. The CAD is provided with an operation record file 61 for sequentially recording data of each coordinate value data selection unit 22, fixed format data selection unit 32, and command data selection unit 42. The operation recording file 61 is connected to an operation recording control unit 62 for writing and erasing the operation recording file 61. The CAD system further includes a graphic data table 71 for storing graphic data on a memory, a graphic data file 72 for storing graphic data on a hard disk, and a graphic data table 71 for storing the graphic data.
Data management unit 73 that manages writing and reading between the data and the graphic data file 72, a system value table 81 that stores system values on a memory, and a system value file 82 that stores system values on a hard disk
And a system value management unit 83 that manages writing and reading between the system value table 81 and the system value file 82. Further, the main processing unit 10
It has become a reference or editing configure the system value of the graphic data and the system value table 81 in FIG waveform data table 71. Further, the graphic data management unit 73 controls the operation reproduction control unit 52 and the operation recording control unit 62.

Next, the processing of each part of the CAD system of FIG. 1 will be described with reference to the drawings. FIG. 2 is a flowchart showing a process of the operation event control unit 11 in FIG . At step S21, a user is input from the keyboard and mouse.
One event that is generated by The operation is issued Ri taken by processing of the operation event control unit 11. In step S22, the operation event control unit 11 the contents of Installing issued event, the caller of the coordinate value input unit 21,
And it sends to the constant type format input unit 31 or the command input unit 41,. FIG. 3 is a flowchart showing the processing of the coordinate value input unit 21 in FIG. In step S31 in FIG. 3, the coordinate value input unit 21 takes read events on mice from the operation event control unit 11, the user moves the mouse pointer on the screen corresponding with the movement of the mouse. In step S32, it is confirmed that the mouse is clicked. The coordinate value in the case where the click has been performed is sent to the coordinate value data selection unit 22 that is the calling source in step S33.

FIG. 4 shows a coordinate value data selection unit 22 shown in FIG.
5 is a flowchart showing a process in. In step S41 in FIG. 4, the coordinate value data selection unit 22 checks whether the operation reproduction control unit 52 is active. When the operation reproduction control unit 52 is inactive, in step S42, the coordinate value data selection unit 22
The value input unit 21 is called to receive coordinate value data relating to the coordinate values. If the operation reproduction control unit 52 is active in step S41, the operation reproduction control unit 52 is called in step S43 to receive the coordinate value data. That is, when reproducing the database, the coordinate value data selection unit 22 receives the coordinate value data from the operation reproduction control unit 52. In subsequent step S44, the coordinate value data selection unit 22 transmits the coordinate value data to the operation record control unit 62, and in step S45, sends the same data to the main processing unit 10, which is the calling source.

[0010] Figure 5 is a flowchart showing a process of a constant type format input unit 31 in FIG. Step S51 of FIG.
In the constant-type format input unit 31, Reads events related to the character edit operation event control unit 11, and inputs and edits the text and documents on the screen of the constant-type document <br/> expression. In step S52, it is confirmed whether or not the user has instructed confirmation with the mouse. If it has been determined, the constant-type format data relating <br/> constant type format that the finalized, is sent to the constant type format data selecting section 32 is the caller in step S53. Figure 6 is a flowchart showing a process of a constant type format data selection unit 32 in FIG. In step S61 in FIG. 6, the constant-type format data selection unit 32, the operation reproducing control unit 52 checks whether the active. If the operation reproduction control unit 52 is inactive, step S6
In 2, the constant-type format data selecting unit 32 receives a constant-type format data by calling the constant type format input section 31. If operation reproducing control unit 52 at step S61 is active, you receive <br/> constant type format data by calling the operation reproducing control unit 52 at step S63. That is, when the reproduction of the database, the constant type format data selector 32 operation reproducing control unit 5
Receive a 2 Karajo type format data. Subsequent step S
In 64, the constant-type format data selector 32 as well as transmits the constant-type format data manipulation to the recording control unit 62, in step S65, sends the same data to the main processor 10 is the caller.

FIG. 7 is a flowchart showing the processing of the command input unit 41 in FIG. Step S71 of FIG.
In the command input unit 41, Reads events on mice from the operation event control unit 11 moves the corresponding mouse pointer on the screen according to the movement of the mouse. In step S72, the command input unit 4
1 checks if the mouse has been clicked by the user. If it has been clicked, the command menu corresponding to the position of the mouse pointer at that time is displayed in step S
At 73, it is sent to the command data selection unit 42 that is the calling source. FIG. 8 shows the command data selection unit 42 in FIG.
5 is a flowchart showing a process in. In step S81 of FIG. 8, the command data selection unit 42 checks whether the operation reproduction control unit 52 is active. When the operation reproduction control unit 52 is inactive,
In step S82, the command data selector 4 2 receives the command data by calling the command input section 41. If the operation reproduction control unit 52 is active in step S81, the operation reproduction control unit 52 is called in step S83 to receive command data. That is, when reproducing the database, the command data selection unit 42 receives command data from the operation reproduction control unit 52. In the subsequent step S84, the command data selection unit 42 transmits the command data to the operation recording control unit 62, and in step S85, sends the same data to the main processing unit 10, which is the calling source.

FIG. 9 is a flowchart showing the processing of the operation reproduction control section 52 in FIG. Step S91 in FIG.
In the operation reproduction control unit 52, the operation reproduction file 5
Read operation data for one record sequentially from 1
Out look. The operation data, coordinate value data, and a constant-type format data, and command data. Next, in step S92, operation reproducing control unit 52 checks whether the operation data out read is the last record. If the result is the last record, operation reproducing control unit 52 in step S93 is inactive, in step S9 4, operation reproducing files 51
Is erased. In the next step S95,
Coordinate value data selection unit 2 whose operation data is each caller
2, the constant-type format data selection unit 32, and returned, respectively to the command data selector 42. FIG. 10 is a flowchart showing the processing of the operation recording control unit 62 in FIG. As shown in FIG. 10A, when the operation record deletion process is called, the operation record file 61 is deleted by the operation record control unit 62 in step S101. FIG.
If the operation recording process of (b) is called, step S1
In 02, the operation recording control unit 62 operation recorded coordinate value data selecting section 22, the constant-type format data selection unit 32, and the operation data transmitted from the command data selecting section 42 as one record <br/> The file 61 is additionally written. That is, a recording process is performed to record in the operation recording file 61 the operation of the user who changes the state of the database.

FIG. 11 shows a system value management unit 83 shown in FIG.
6 is a flowchart showing the processing of FIG. When the system value registration process shown in FIG. 11A is called, step S1
In 11, the system value management unit 83 overwrites the contents of the system value table 81 on the system value file 82. If the processing issues Ri system Neto shown in is called (b) of FIG. 11, in step S112, the system value management unit 83 stores the contents of the system value file 82 in the system value table 81. FIG. 12 is a flowchart showing the processing of the graphic data management unit 73 in FIG. FIG.
When the graphic data registration process shown in FIG.
In step S121, the graphic data management unit 73 stores the contents of the graphic data table 71 in the graphic data file 72.
Overwrite Further, in step S122, the graphic data management unit 73, the co-calling system value registration process of the system value management unit 83, at step S123, calls the operation recording and erasing processing of the operation recording control unit 62. Also, if Ri out processing preparative graphic data shown in is called (b) of FIG. 12, in step S124, the graphic data managing unit 73 stores the contents of the graphic data file 72 to the graphic data table 71. Further, step S1
25, the graphic data management unit 73 includes an operation reproduction control unit.
52 is deactivated, and it is checked in step S126 whether the operation reproduction file 51 exists. Here, if the operation reproduction file 51 exists, step S
At 127, the system value is extracted, and step S1 is executed.
In 2 8, graphic data management unit 73 operation reproducing controller
Activate 52 . Thereafter, in step S129, the graphic data management unit 73 calls the operation record erasing process of the operation record control unit 62 .

FIG. 13 is a flowchart showing the processing of the main processing section 10 in FIG. Step S131 of FIG.
In the main processing unit 10 calls the graphics data Eject processing graphic data management unit 73, the next step S13
In 2, receives the value of the command menu, a command data by issuing the command data selecting section 42 calls.
In step S133, the main processing unit 10 checks whether the value of the command menu indicates a figure registration command. If the value of the command menu is graphic data registration command, at step S134, the main processor 10 invoke graphical data registration processing of the graphic data management unit 73. S
Not a figure data registration command in step S133
In this case, in step S135, the main processing unit 10 checks whether the value of the received command menu is an end command. If it indicates an end command, the main processing unit 10 ends the processing. When the value of the received command menu indicates another command, the main processing unit 10 performs graphic input and editing in step S136 according to the command.

The CAD system shown in FIG. 1 operates in accordance with the processing of each of the above-described units, thereby obtaining the operation record file 6.
In FIG. 1, user operations after the registration of the graphic data in step S134 in FIG. 13 are recorded. If a failure occurs in this CAD system, the operation record file 6
1 is copied to the operation reproduction file 51 and the system is started up, so that after step S131 of the main processing unit 10, CA
The D system automatically reproduces the operation up to the time of the failure. At the time of this reproduction, since the movement of the mouse or the editing of the fixed format is not performed, this CAD system enables high-speed reproduction. Here, the operation reproduction file 51 prepared in advance is stored in the operation recording file
If it is the same as that of the above, even the failure can be reproduced, so that the failure analysis is possible. If the last record in the operation record file 61 at the time of the failure is removed, the failure can be reproduced. The system can be restored to the state immediately before. As described above, in the present embodiment, the processing of the data necessary for the analysis is performed by the coordinate value input unit 21, the fixed format input unit 31, the command input unit 41, the coordinate value data selection unit 22, and the fixed format data selection unit 32. And a command data selection unit 42. The data selection unit 22 does not record the data such as the operation history of the mouse and the editing of the fixed format handled by the input units 21, 31, and 41 which are unnecessary for the failure analysis and the data recovery. , 32, and 42, only the result data of each data processing determined in the operation record file 61 is recorded. Therefore, the operation record file 61 is small.
The system storage capacity.
And efficient. These functions require user intervention.
It works automatically without any
You can concentrate on CAD operation without worrying about preservation. So
In addition, at the time of reproducing the operation for restoring the failure of the CAD system, the control command is output directly to the data selection units 22, 32, 42 without passing through the input units 21, 31, 41, so that the data to be handled is reduced. , Can speed up the recovery of failures. Further, since the analysis of the cause of the failure can be directly performed only on the data that causes the failure, the analysis is facilitated. Moreover ,
The updating of the graphic data file 72 and the system value file 82 can be efficiently restored because the command data is directly referred to. The present invention is not limited to the above-described embodiment, and various modifications are possible. For example, if necessary
Information such as editing of a fixed format may be stored in the operation record file 61 and reproduced.

[0016]

As described above, according to the present invention, the operation of the user influences the state of the CAD system.
Operation that does not affect or affects the state of the CAD system
Is selected for each user operation,
Operate only operations that affect the state of the CAD system
The operation record file is small because it is recorded in a record file.
Without tying up the storage capacity of the system.
It is efficient. Such functions may require user intervention.
It works automatically. Obstacles in CAD operation
It is difficult to know in advance what will happen,
Only the commands necessary for data recovery automatically while working
A selective recording method is effective, which allows users to
User can operate CAD without being aware of command recording
The effect is that you can concentrate on In addition, when a failure occurs, the operation of the user is reproduced based on the operation history recorded in the operation record file, so that the operation can be reproduced in detail when the failure occurs, and the failure can be analyzed easily and accurately. . In addition, since the operation is reproduced using the operation history that affects the state of the CAD system, which is recorded in the operation record file, the amount of data to be handled can be reduced, and the recovery after the occurrence of the failure can be accelerated.

[Brief description of the drawings]

FIG. 1 is a functional block diagram of a CAD system showing an embodiment of the present invention.

FIG. 2 is a flowchart showing a process of an operation event control unit in FIG. 1;

FIG. 3 is a flowchart illustrating a process of a coordinate value input unit in FIG. 1;

FIG. 4 is a flowchart illustrating a process of a coordinate value data selection unit in FIG. 1;

5 is a flowchart showing a process of a constant type format input unit in FIG.

6 is a flowchart illustrating a process of a constant type format data selecting section in FIG.

FIG. 7 is a flowchart illustrating a process of a command input unit in FIG. 1;

FIG. 8 is a flowchart illustrating a process of a command data selection unit in FIG. 1;

FIG. 9 is a flowchart illustrating a process of an operation reproduction control unit in FIG. 1;

FIG. 10 is a flowchart illustrating a process of an operation recording control unit in FIG. 1;

FIG. 11 is a flowchart showing a process of a system value management unit in FIG. 1;

FIG. 12 is a flowchart illustrating a process of a graphic data management unit in FIG. 1;

FIG. 13 is a flowchart showing processing of a main processing unit in FIG. 1;

[Explanation of symbols]

10 main processor 11 operation event controller 21 coordinates the input unit 31 constant type format input section 41 a command input unit 51 operation reproducing file 52 operation reproducing control unit 61 operation record file 62 operation recording control unit 71 the graphic data table 72 the graphic data file 73 Graphic data management unit

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) G06F 3/02 G06F 11/00 330 G06F 17/50

Claims (1)

(57) [Claims] 1. A method for analyzing a failure of a CAD system and restoring a database in the event of a failure in the CAD system, wherein a user operation is performed during use of the CAD system.
Operation but, that does not affect the state of the CAD system
Or an operation that affects the state of the CAD system is selected for each operation, and a recording process of recording only the history of operations that affect the state of the CAD system in an operation record file is performed. When the failure occurs, the operation of the user until the failure occurs by activating the CAD system is reproduced based on a history of operations affecting the state of the CAD system recorded in the operation record file. A method for recovering from a failure in a CAD system.