JPH06149741A - Data editing system - Google Patents

Abstract

PURPOSE:To perform a high-speed data editing process without exerting any influence on the load on a host computer by providing a data editing function on the side of a display terminal device as to the data editing system which edits data on the host computer. CONSTITUTION:A storage device 7 and the host computer 5 provided with a data editing function 6, and a display 2 and a display terminal device 1 provided with a data editing function 3 are connected through a line. Then the data editing function 3 informs the host computer of a data transfer indication corresponding to the specification of data, takes the data out of the storage device 7, and transfers them to the display terminal device 1 through the line to display the data on the screen, and the data editing function 3 edits the data and displays the editing result on the screen in response to an editing indication for the data, and transfers the data of the editing result to the host computer 5 at the end of the data editing and writes the data back in the storage device 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data editing system for editing data on a host computer, and a data editing system for editing data on a host computer from a display terminal device connected to the host computer. Is.

Due to the recent development of computer technology, a display terminal device connected to a host computer is
In addition to screen display and keyboard input, terminal emulators using personal computers that have independent data processing functions are increasingly used. In this personal computer, many high-speed data editing programs for the data on the personal computer are provided and are widely used. At this time, it is desired to take out data and perform high-speed editing processing in the display terminal device without burdening the host computer.

[0003]

2. Description of the Related Art In the conventional data editing method, as shown in FIG. 5, all data on the host computer 22 is stored on the host computer 22 in accordance with an instruction from a display terminal device 21 connected to the host computer 22. The data editing program 23 was processing. The operation of the configuration of FIG. 5 will be briefly described below.

In FIG. 5, the display terminal device 21
Is for displaying and editing data (for example, source program) transferred from the storage device 24 of the host computer 22.

The host computer 22 connects a plurality of display terminal devices 21, edits data in response to an instruction from the display terminal device 21, transfers and displays the result, and stores the edited result. For example, the data is written back to the device 24.

The editing program 23 operates on the host computer 22, edits data in response to an editing instruction from each display terminal device 21, and transfers the edited result to the requesting display terminal device 21. The edited result is written back to the storage device 24.

The storage device 24 stores data. Next, the operation will be described. (1) The operator designates data to be edited on the screen of the display of the display terminal device 21. In response to this, the editing program 23 of the host computer 22 retrieves the corresponding data from the storage device 24,
It is transferred to the display terminal device 21 of the request source and displayed on the screen of the display.

(2) In response to an editing instruction (for example, a correction instruction) given by the operator who has viewed the data (for example, the source program) displayed on the screen of the display of the display terminal device 21, the editing instruction is transferred. The received editing program 23 on the host computer 22 edits the data, and the editing result is displayed on the screen of the display of the display terminal device 21 as the request source. Repeat this to edit the data.

(3) The operator gives an instruction to finish editing the data on the screen of the display of the display terminal device 21. In response to this, the data edited by the editing program 23 of the host computer 22 is written back to the storage device 24, and a series of editing processing is ended.

[0010]

As described above, in the conventional data editing method, the editing program 23 on the host computer 22 edits and edits all data in response to an instruction from the display terminal device 21. Since the data is transferred to the display terminal device 21 and displayed on the display, when the load of the host computer 22 becomes high, the data editing process and the display process of the edited data by the instruction from the display terminal device 21 become slow, There has been a problem that the efficiency of data editing work is reduced.

The present invention solves these problems.
It is an object of the present invention to provide a data editing function on the display terminal device side so that high-speed data editing processing can be performed without being affected by the load of the host computer.

[0012]

[Means for Solving the Problems] Means for solving the problems will be described with reference to FIG. In FIG. 1, a display terminal device 1 is provided with a display 2 for displaying data and a data editing function 3.

The display 2 is provided with a screen for displaying data and edit results, and for inputting edit instructions and the like on the screen. The data editing function 3 opens a screen, notifies the host computer 5 in response to data designation to receive data transfer, displays the received data on the screen, and gives a data editing instruction. The data is edited according to the above, and the edited result is displayed on the screen.

The host computer 5 is provided with a data editing function 6 and a storage device 7 for storing data. The data editing function 6 retrieves data from the storage device 7, acquires occupancy, transfers the retrieved data to the display terminal device 1 via a line, writes data back to the storage device 7, and occupies the occupancy. It is something to release.

The storage device 7 stores data.

[0016]

According to the present invention, as shown in FIG. 1, the display terminal device 1 and the host computer 5 are connected via a line, and the data editing function is performed in response to the input of the data designation to the display terminal device 1. 3 is a data editing function 6 of the host computer 5 by issuing a data transfer instruction through the line.
The data editing function 6 retrieves the designated data from the storage device 7 and transfers it to the display terminal device 1 via the line, and the data editing function 3 displays the received data on the screen of the display 2. In response to the data editing instruction, the data editing function 3 edits the data and displays the editing result on the screen. When the data editing is completed, the data editing function 3 displays the editing result. The data is transferred to the data editing function 6 of the host computer 5 via the line and written back to the storage device 7.

At this time, the data editing function 6 of the host computer 5 acquires the data occupation when the data is retrieved from the storage device 7, and releases the data occupation when the data is written back. .

Therefore, the display terminal device 1 side is provided with the data editing function 3 so that high-speed data editing processing can be performed without being affected by the load of the host computer 5, and the storage device of the host computer 5 is also possible. Since the occupancy is acquired when the data is read from 7,
It is possible to prevent data destruction due to double updating of data.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the construction and operation of an embodiment of the present invention will be described in detail with reference to FIGS.

FIG. 1 shows a block diagram of an embodiment of the present invention.
In FIG. 1, a display terminal device 1 is connected to a host computer 5 via a line to display and edit data, and is provided with a display 2 and a data editing function 3. It is a thing.

The display 2 is for opening a screen to display data, and for instructing editing from the screen. In response to designation of data on the screen of the display 2, the data editing function 3 notifies the data editing function 6 of the host computer 5 to take out the data from the storage device 7 and transfer the data to the screen of the display 2. Display, store the transferred data in the storage device 4,
The data on the storage device 4 is edited in response to an editing instruction from the screen of the display 2 and the edited result is displayed on the screen.

The storage device 4 stores the data transferred from the host computer 5. The host computer 5 is connected to a plurality of display terminal devices 1 via a line, transfers the instructed data, receives the transfer of the edited result, and writes it back to the storage device 7. It is composed of an editing function 6 and the like.

In response to a data transfer request from the data editing function 3 of the display terminal device 1, the data editing function 6 acquires the occupancy of the data in the storage device 7, retrieves the data, and transfers it to the display terminal device 1. Alternatively, it receives the edited result, writes it back to the storage device 7, and releases the occupation.

The storage device 7 stores data. Next, an outline of the operation of the configuration of FIG. 1 will be described in the order shown in the flowchart of FIG.

In FIG. 2, data is designated. This is the display 2 of the display terminal device 1.
Specify the data to be edited on the screen. Retrieves the data. This is because the data editing function 3 corresponds to the designation of the data by the data editing function 6 of the host computer 5 via the line.
To that effect, and the specified data is retrieved from the storage device 7.

The data transfer is performed. That is, the data editing function 6 takes out the data and transfers the data to the data editing function 3 of the display terminal device 1 through the line. Stores data. In this, the data editing function 3 stores the data transferred in the storage device 4.

The data is edited. For this, the data is taken out from the storage device 4 and displayed on the screen of the display 2, the data editing function 3 edits in response to the editing instruction from the operator, and the result is stored in the storage device 4. This is repeated to edit the data.

The data is fetched. this is,
Since the editing of the data has been completed, the data is retrieved from the storage device 4. Performs data transfer. this is,
The data editing function 3 transfers the data taken out in step 1 to the data editing function 6 of the host computer 5 via the line.

Stores data. This is written back to the storage device 7 by the data editing function 6 which has received the data transfer in. As described above, the display terminal device 1
In response to the designation of the data from the data editing function 3, the data editing function 3 notifies the data editing function 6 of the host computer 5 of the data transfer request, and the data editing function 6 retrieves the data from the storage device 7 and connects the data to the line. Data is transferred to the data editing function 3 of the display terminal device 1 and the transferred data is stored in the storage device 4 by the data editing function 3 and then taken out and displayed on the screen of the display 2 for various editing. Edit according to the instructions. In response to the editing end instruction, the data editing function 3 retrieves the data extracted from the storage device 4 into the data editing function 6 of the host computer 5.
, And write back to the storage device 7. As a result, the data processing function 3 on the side of the display terminal device 1 that receives the data transferred from the host computer 5 edits the data in response to the instruction from the operator, so that the load on the host computer 5 is not affected. It becomes possible to edit data at high speed.

Next, the operation of the specific example of the configuration of FIG. 1 will be described in detail with reference to FIG. Here, the user is a user who uses the display terminal device 1 of FIG. 1, the display 2 is the display 2 of FIG. 1, the disk device 41 corresponds to the storage device 4 of FIG. The data editing function 3 is the data editing function 3 of FIG. 2, and all of them are on the side of the display terminal device 1 of FIG. On the other hand, the data editing function 6 is the data editing function 6 of FIG. 1, the disk device 71 corresponds to the storage device 7 of FIG. 1, and these are all on the host computer 5 side of FIG.

In FIG. 3, in S1, the user designates data to be edited. In this, the user designates data to be edited on the screen opened on the display 2. In S2, the data editing function 3 notifies the data editing function 6 of the host computer 5 via the line that the data to be edited is designated.

In step S3, the data editing function 6 fetches data to be edited. This is because the data editing function 6 that has received the notification of S2 sends the data to be edited to the disk device 71.
Take out from.

In S4, the data edited by the data editing function 6 is transmitted in S3. In S5, the data editing function 4 receives the data transmitted in S4. In S6, the data to be edited is stored. This stores and saves the data received in S5 in the disk device 41.

In S7, the data to be edited by the data editing function 4 is displayed on the screen of the display 2 as shown in S8. According to the above procedure, in response to the user designating the data to be edited, the data editing function 3 notifies the designation of the data to be edited to the data editing function 6 of the host computer 5 via the line. The data editing function 6 takes out the designated data from the disk device 71 and sends it to the data editing function 3 of the display terminal device 1 via the line. The data editing function 3 stores the received data in the disk device 41 and displays it on the screen of the display 2 as data to be edited. By these, the data is stored in the disk device 41 in the display terminal device 1 and the data is displayed in the display device 2.
It is displayed on the screen of and ready to edit the data.

Next, in step S11, the user gives an instruction to edit data (for example, an instruction to correct the source program that is data).
I do. In step S12, the data for which the data editing function 3 is instructed is edited (for example, the source program which is the data is corrected). At this time, the data taken out from the disk device 41 is edited, and the edited data is written back.

In S13, the display of the edited data is changed to S1.
As shown in FIG. 4, it is displayed on the screen of the display 2.
Through S11 to S14 described above, the data editing function 3 in the display terminal device 1 performs the instructed editing of the data taken out from the disk device 41 and writes back the data in response to the data editing instruction from the user. The data edited result is displayed on the screen of the display 2. The above is repeated to edit the data. By these editing procedures, the data editing function 3 in the display terminal device 1 is changed to the data editing function 6 of the host computer 5.
Since it operates independently to perform data editing, it is not affected by the load of the data editing function 6 of the conventional host computer 5, and the display terminal device 1 can always perform high-speed data editing processing. It will be possible.

Next, in S21, the user gives an instruction to end the data editing. In S22, the data editing function 3 which has received the data editing end instruction in S21 retrieves the edited data from the disk device 41.

In S23, the edited data extracted in S22 is transmitted to the data editing function 6 of the host computer 5 via the line. In S24, the data editing function 6 of the host computer 5 receives the data transmitted via the line in S23.

In S25, the edited data received in S24 is stored (written back) in the disk device 71. Through S21 to S25 described above, the data edited function 6 of the host computer 5 receives the data edited data which has been edited by the data editing function 3 of the display terminal device 1, and writes it back to the disk device 71. A series of processing ends.

Next, referring to FIG. 4, the host computer 5
The operation of performing data occupancy processing of the disk device 71 and editing data will be described in detail. In FIG. 4, in S31, the user designates data to be edited. In this, the user designates data to be edited on the screen opened on the display 2.

In step S32, the data editing function 3 notifies the data editing function 6 of the host computer 5 that the data to be edited is designated via the line. In S33, it is determined whether the data editing function 3 is occupying data. This determines whether the designated data to be edited is already transferred to the display terminal device 1 and is occupied. In the case of YES, since it is occupied, the process proceeds to S34. In the case of NO, since it is not occupied, data occupation is started in S37 (the data occupation flag is set to "1" and stored), and the data to be edited is taken out from the disk device 71 in S38. Data is transmitted to the display terminal device 1 in S39, and the process proceeds to S40.

In S34, since it is determined that the data is occupied by YES in S33, it is further determined whether the same user (that is, the same one as the display terminal device 1 requesting the data transfer occupies the data). Determine. In the case of YES, since the same display terminal device 1 has already occupied the data, the process proceeds to S42. On the other hand, in the case of NO, since it is found that the same display terminal device 1 does not occupy the data, the fact is notified via the line, and the display of the busy message is shown in S36 in S35. As shown on the screen of the display 2 to inform the user.

In S40, the data editing function 4 of the display terminal device 1 receives the data transmitted in S39. In S41, the data to be edited is stored. This stores and saves the data received in S40 in the disk device 41.

In S42, the data to be edited by the data editing function 4 is displayed on the screen of the display 2 as shown in S43. According to the procedure described above, the data editing function 3 is used in response to the user designating the data to be edited.
Notifies the data edit function 6 of the host computer 5 via the line that the data to be edited is designated, and when the data edit function 6 retrieves the designated data from the disk device 71, the designated data is occupied. If not, the data is transmitted to the data editing function 3 of the display terminal device 1 via the line. On the other hand, if the display terminal device 1 is occupied and is occupied by another display terminal device 1, the fact that another person is using is displayed in S35 and S36 to notify the user. If it is occupied and is occupied by its own display terminal device 1 (that is, when the editing process that has been interrupted while data is occupied is resumed), the disk in its own display terminal device 1 has already been occupied. Device 41
The data is not transmitted because it was found to be stored in. Then, the data editing function 6 of the host computer 5
The data editing function 3 of the display terminal device 1 receives the data transmitted by, stores it in the disk device 41, and displays it on the screen of the display 2 as data to be edited. As a result, the data to be edited is occupied and taken out from the disk device 71, stored in the disk device 41 in the display terminal device 1, and displayed on the screen of the display 2.
You are ready to edit the data.

The data editing process from S51 to S54 is the same as S11 to S14 in FIG. Further, in the procedure of storing the edited data in the disk device 71 of the host computer 5 and releasing the occupation, S61 to S65 are S21 to S2 of FIG.
The description is omitted because it is the same as 5.

Here, S61 to S65 (S21 to S65
According to the procedure of 25), the data edited data is taken out from the disk device 41 of the display terminal device 1 and transferred to the data editing function 6 to the host computer 5 via the line, and the data editing function 6 transfers the data to the disk device 71. Store and write back.

At S66, since the edited data has been written back to the disk device 71 by the procedure from S61 to S65, the occupancy acquired at S37 is canceled (that is, the occupancy flag of the data is set to "0"). "Reset to)" to end the series of data editing.

In steps S61 to S66, the data editing function 6 of the host computer 5 receives the data edited data, which has been edited by the data editing function 3 of the display terminal device 1, and the disk device 7 receives the data edited data.
After writing back to 1, the occupation is released and a series of processing is ended.

[0049]

As described above, according to the present invention,
The data editing function 3 is provided on the display terminal device 1 side, data is transferred from the storage device 7 of the host computer 5, data editing is performed using the data editing function 3 in the display terminal device 1, and data editing is performed. Since the configuration in which the completed data is transferred to the host computer 5 and written back to the storage device 7 and the data occupancy control is performed, the display terminal device 1 side can operate at high speed without being affected by the load of the host computer 5. The data editing process can be performed at the same time, and the occupation is acquired when the data is read from the storage device 7 of the host computer 5, so that the data destruction due to the double update of the data can be prevented. As a result, it becomes possible to improve the efficiency of the data editing work when the data editing processing is performed on the plurality of display terminal devices 1 connected to the host computer 5 via the line.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an embodiment of the present invention.

FIG. 2 is a flowchart explaining the operation of the present invention.

FIG. 3 is an operation explanatory diagram of the present invention.

FIG. 4 is an explanatory diagram of an occupation operation of the present invention.

FIG. 5 is an explanatory diagram of a conventional technique.

[Explanation of symbols]

 1: Display terminal device 2: Display 3, 6: Data editing function 4, 7: Storage device 41, 71: Disk device 5: Host computer

Claims (2)

[Claims] 1. In a data editing system for editing data on a host computer, a host computer (5) provided with a storage device (7) for storing data and a data editing function (6), and a display for displaying the data ( 2) and the display terminal device (1) provided with the data editing function (3) are connected via a line, and the data editing function ( 3) sends a data transfer instruction to the data editing function (6) of the host computer (5) via a line, and the data editing function (6) is notified.
Retrieves the specified data from the storage device (7) and transfers it to the display terminal device (1) via the line, and the data editing function (3) displays the transferred data on the screen of the display (2). In response to the data editing instruction, the data editing function (3) edits the data and displays the edited result on the screen. When the data editing is completed, the data editing function (3) A data editing method characterized in that the edited data is transferred to a data editing function (6) of a host computer (5) via a line and written back to a storage device (7). 2. The data occupancy is acquired when the data editing function (6) of the host computer (5) retrieves the data from the storage device (7), and the data occupancy is obtained when the data is written back. 2. The data editing system according to claim 1, wherein the data editing system is configured to release.