JPH11288383A - Master registration time difference reflection system and master registration time difference reflection method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently perform the updating processing of master data. SOLUTION: In this master registration time difference reflection method, a terminal computer 30 stores a change point generated in the master data 31 and requests the registration of the master data 31 to a main computer 20, based on the stored change point, and when a data base 22 is updated, based on the master data 31 whose registration is requested in the main computer 20, the terminal computer 30 or the terminal computer 40 updates the data base 33 or the data base 42 corresponding to updating information data distributed from the main computer 20 corresponding to a reflection request. Thus, the updating processing of the master data is efficiently performed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a master registration time difference reflecting system and a master registration time difference reflecting method, and more particularly, to a master registration time difference maintaining a consistency of master data in a system including a main unit and a terminal device. The present invention relates to a reflection system and a master registration time difference reflection method.

[0002]

2. Description of the Related Art As a conventional master registration time difference reflection system, a master registration time difference reflection system to which an information synchronization method disclosed in Japanese Patent Application Laid-Open No. 9-293010 is applied is known. This master registration time difference reflection system includes a main device that centrally manages the latest master data, and a plurality of terminal devices connected to the main device via a communication network.

With such a configuration, when a change in master data occurs in the terminal device, the terminal device registers the changed master data in the main device. When the main device updates and distributes the held master data based on the registered master data, each terminal device updates the held master data based on the distributed master data.

[0004]

In the conventional master registration time difference reflection system described above, each terminal device has a change in master data in order to synchronize the master data held in the main device and each terminal device. Each time, the master device must be updated by connecting to the main unit via a line. Therefore, each terminal device must always be connected to the main device via a line, and the processing efficiency is reduced due to the concentration of the master data update process.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a master registration time difference reflection system and a master registration time difference reflection method capable of efficiently performing a master data update process.

[0006]

According to a first aspect of the present invention, there is provided a master data updating means for updating master data held based on registered master data. A main device having master data distribution means for distributing data, change point accumulating means for accumulating changes in the master data, and master data for registering master data in the main device while corresponding to the accumulated changes The terminal device includes a registration unit and a master data rewriting unit that rewrites the held master data based on the master data distributed from the main device.

That is, when the master data registering means registers the master data in the main unit while corresponding to the change points of the master data accumulated by the change point accumulating means, the master data updating means operates based on the registered master data. When the master data distribution means distributes the master data to the terminal device, the master data rewriting means provided in the terminal device rewrites the retained master data based on the master data distributed from the main device. .

The above-mentioned master data updating means only needs to be able to update the held master data based on the registered master data, and only updates the points where the newly registered master data differs from the conventional master data. Or may overwrite the entire conventional master data with newly registered master data.

As an example of the configuration of the master data registration means in the former case, the invention according to claim 2 is the master registration time difference reflection system according to claim 1, wherein the master data registration means includes the change point accumulation means. The master data changed based on the changes accumulated by the means is registered in the main device.

That is, the master data registration means registers the master data changed based on the change points accumulated by the change point accumulation means in the main device. Therefore, a plurality of changes made to the master data are collectively registered in the main device.

[0011] As an example of the configuration of the main device at this time, the invention according to claim 3 is the master registration time difference reflection system according to any one of claims 1 or 2, wherein And a change point storing means for storing a change point according to the master data. That is, the change point storage means stores the change points based on the registered master data. Then, based on this change, the held master data is updated.

Here, it is possible to associate additional information so that it is possible to distinguish which of the master data held by the main unit is newly updated.

The invention according to claim 4 is an example of the configuration of the main device in this case.
In the master registration time difference reflection system according to any one of the above, the main device is provided with an identification code storage unit that stores an identification code corresponding to the master data updated by the master data update unit. That is, the identification code storage unit stores the identification code corresponding to the master data updated by the master data update unit.

The master data distribution means only needs to be able to distribute the master data updated by the master data update means, and distributes the updated master data every time the terminal device registers the master data. Alternatively, the master data may be distributed when requested by the terminal device.

As an example of the configuration of the terminal device in the latter case, the invention according to claim 5 is the master registration time difference reflection system according to any one of claims 1 to 4, wherein the terminal device There is provided a distribution requesting means for requesting the main device to distribute the updated master data at predetermined intervals. That is, the distribution requesting unit requests the main device to distribute the updated master data at predetermined intervals. Therefore, it is not necessary to connect a line to the terminal device every time the master data in the main device is updated.

As described above, the method of reflecting the registered master data on the terminal device is not necessarily limited to the above-described system. As an example, according to the invention of claim 6, the terminal device stores the master data. When the master data is registered in the main device while corresponding to the changed master data, the master device updates the held master data based on the registered master data and distributes the updated master data to the terminal device. Is a method of rewriting the held master data based on the master data distributed from the main device. That is, the present invention is not necessarily limited to the form of the system, and is effective as a method.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a master registration time difference reflection system according to an embodiment of the present invention.

The master registration time difference reflection system includes a main computer 20 having the latest master data, and terminal computers 30 and 40 connected to the main computer 20 via a communication network.

With this configuration, the terminal computer 30
Registers the change of the master data in the main computer 20, the main computer 20 updates the held master data based on the registered master data and distributes the updated master data to the terminal computers 30 and 40. Then, the terminal computer 30 and the terminal computer 40
Rewrites the held master data based on the distributed master data.

The main computer 20 stores the master data when a master data registration request is received from the terminal computer 30, and stores the latest master data updated based on the stored master data. The terminal computer 3
From 0, the latest master data updated based on the master data requested to be registered is stored.

FIG. 2 is a flowchart showing a procedure for updating the master data held by the main computer 20 when there is a request for registration of master data from the terminal computer 30.

When there is a request for registration of master data from the terminal computer 30, the storage mechanism 21 is called. Then, the storage mechanism 21 stores the changed points of the master data based on the contents of the registered master data.

If the stored change is the addition of data, the added data is registered in the database 22 (step S110), and if the stored change is the deletion of the data, the corresponding data is deleted from the database 22. (Step S120). If the data is to be corrected, the corresponding data stored in the database 22 is corrected (step S130). At this time, update information data having the updated content and an identification code corresponding to this content is created and stored in the database 22 (step S14).
0).

Therefore, the main computer 20 that stores and distributes the latest master data updated based on the master data requested to be registered by the terminal computer 30 constitutes the main device according to the present invention in this sense. I have.

The terminal computer 30 reflects in the database 33 the master data 31 changed based on the accumulated changes and the latest master data distributed from the main computer 20 in response to a reflection request made at predetermined intervals. And a database 33 for storing the latest reflected master data.

With such a configuration, the changed points of the master data 31 are accumulated, the master data 31 changed based on the accumulated changed points is registered with the main computer 20, and the reflection request made at a predetermined interval is transmitted to the main computer 20. In response, the latest master data distributed from the main computer 20 is reflected and stored in the database 33.

Similar to the terminal computer 30, the terminal computer 40 reflects the latest master data distributed from the main computer 20 to the database 42 in response to a reflection request made at a predetermined interval, and the reflection mechanism 41 reflects the latest master data. And the latest master data distributed from the main computer 20 in response to a reflection request.

FIG. 3 is a flowchart showing a procedure for updating the master data held by each of the terminal computers 30 and 40 when the terminal computer 30 or the terminal computer 40 makes a reflection request at a predetermined interval.

When the terminal computer 30 or the terminal computer 40 issues a master data reflection request, the reflection mechanism 32 or the reflection mechanism 41 is called. Then
The reflection mechanism 32 or the reflection mechanism 41
2 is read (step S
200).

If the content of the update information data is data addition, the corresponding master data in the database 22 is read based on the identification code, and the added data is registered in the database 33 or 42 (step S230). In step S240, if the data is to be deleted, the corresponding data is deleted from the database 33 or the database 42 based on the identification code (step S250). If the data is to be corrected, the corresponding master data in the database 22 is read based on the identification code, and the corresponding data stored in the database 33 or 42 is corrected (steps S260 and S270).

Then, the update information data for which the update process has been completed is deleted from the database 22 (step S28).
0), and reads the next update information data (step S29)
0). The above processing is repeated until there is no unprocessed update information data.

Therefore, the changes of the master data 31 are accumulated, and the master data 31 is stored based on the accumulated changes.
Terminal computer 30 that requests the main computer 20 for registration and reflects the latest master data distributed from the main computer 20 to the database 33 in response to the reflection request, in this sense, constitutes a terminal device according to the present invention. ing.

Next, the operation of the master registration time difference reflection system 10 according to the present embodiment when the master data is changed will be described. The terminal computer 30
When a change occurs in the master data 31, the generated change is accumulated. When a predetermined amount of changes are accumulated, the master data 31 changed based on the changes is stored.
Is made to the main computer 20 for registration.

Then, the main computer 20 saves the changes based on the master data 31 receiving the registration request, and updates and stores the database 22 according to the changes.

When the terminal computer 30 or the terminal computer 40 issues a master data reflection request to the main computer 20, the reflection mechanism 32 or the reflection mechanism 4
1 reads the update information data stored in the database 22 and updates and stores the database 33 or the database 42 according to the content.

As described above, the terminal computer 30 accumulates the changes that have occurred in the master data 31 and makes a request for registration of the master data 31 to the main computer 20 based on the accumulated changes.
When the database 22 is updated based on the master data 31 receiving the registration request, the terminal computer 30 or the terminal computer 40 transmits the database according to the update information data distributed from the main computer 20 in response to the reflection request. Since the update of the database 33 or the database 42 is performed, the master data can be updated efficiently.

[0037]

As described above, according to the present invention, it is possible to provide a master registration time difference reflecting system capable of efficiently performing a master data updating process. According to the second aspect of the present invention, the frequency of line connection between the main device and each terminal device can be reduced. Further, according to the third aspect of the present invention, the changes relating to the update of the master data can be stored in the main device.

Further, according to the invention of claim 4,
The latest master data updated in the main device can be reflected on the terminal device that writes efficiently. Furthermore, according to the invention of claim 5, the frequency of line connection between the main device and each terminal device can be further reduced. Further, according to the invention of claim 6, it is possible to provide a master registration time difference reflection method capable of efficiently performing a master data update process.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a master registration time difference reflection system according to an embodiment.

FIG. 2 is a flowchart illustrating a procedure of a master data update process in a main computer.

FIG. 3 is a flowchart showing a procedure of a master data update process in a terminal computer.

[Explanation of symbols]

 10 Master Registration Time Difference Reflection System 20 Main Computer 21 Storage Mechanism 22 Database 30 Terminal Computer 31 Master Data 32 Reflection Mechanism 33 Database

Claims (6)

[Claims] 1. Master data updating means for updating master data held based on registered master data;
A main device having master data distribution means for distributing the updated master data; a change point accumulating means for accumulating changes in the master data; and a master device for storing the master data in correspondence with the accumulated changes. A master data registration unit for registering the master data, and a terminal device including a master data rewriting unit for rewriting the master data held based on the master data distributed from the main device. . 2. The master registration time difference reflection system according to claim 1, wherein the master data registration unit sends the master data changed based on the change points accumulated by the change point accumulation unit to the main device. A master registration time difference reflection system characterized by registration. 3. The master registration time difference reflection system according to claim 1, wherein the main device includes a change point storage unit that stores a change point based on the registered master data. A master registration time difference reflecting system, characterized in that: 4. The master registration time difference reflecting system according to claim 1, wherein the main unit stores an identification code corresponding to the master data updated by the master data updating unit. A master registration time difference reflecting system, comprising: 5. The master registration time difference reflection system according to claim 1, wherein the terminal device requests distribution of the updated master data to the main device at predetermined intervals. A master registration time difference reflecting system, comprising: 6. When a terminal device registers master data in a main device while corresponding to a change in the accumulated master data, the terminal device updates the master data held by the main device based on the registered master data. A method for reflecting a master registration time difference, characterized in that when the terminal device is delivered to the terminal device, the terminal device rewrites the held master data based on the master data delivered from the main device.