JP3716578B2 - Shared file management device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a shared file management apparatus that manages a shared file shared by a plurality of clients.
[0002]
In a client / server system in which a plurality of clients and servers are connected to a network and perform processing in common, a plurality of clients often share the same file.
[0003]
When a large number of shared files are aggregated and held in the file server, access to the file server is congested and processing performance is degraded.
Therefore, in order to prevent a decrease in processing performance, it is necessary to distribute the shared file to different devices to prevent access congestion.
[0004]
However, when the shared file is distributed and held by different devices, it is essential to clarify the storage destination of the shared file.
For this reason, a shared file management device that collects and manages management information (file names, storage positions, file amounts, etc.) related to all shared files is required.
[0005]
[Prior art]
A conventional example will be described with reference to FIGS. 9 to 11 by taking as an example a case where three clients are connected via a network.
[0006]
In FIG. 9, 1 is a shared file management apparatus, 60 is a client A, 61 is a client B, 62 is a client C, 7 is a network, 10 is a storage circuit, and 12 ' A management table, 14 'is a text editor, 20 is a control circuit, and 30 is a connection circuit.
[0007]
In the following description, when the client is generally described, the client 6 is described.
The shared file management apparatus 1 includes a storage circuit 10, a control circuit 20, and a connection circuit 30, and is connected to a plurality of clients 6 via a network 7. The shared file management information (hereinafter abbreviated as “management information”). )) And registers, changes, or deletes management information according to instructions from the client 6 (hereinafter collectively referred to as “update”).
[0008]
The client 6 is connected to the shared file management apparatus 1 via the network 7 and is an apparatus that instructs the shared file management apparatus 1 to update management information.
As shown in FIG. 10, the management table 12 ′ is composed of a plurality of records, and management information including a file name, a file storage position (hereinafter collectively referred to as “file information”), a file amount, etc. Is an area provided in the memory circuit 10.
[0009]
In the case of FIG. 10, one record is composed of management information in the form of, for example, the file name is File01, the storage position is specified by the ID of FSK of DISK1 in the client A60, and the file amount is 1024 MB. .
[0010]
The text editor 14 ′ is software held in the storage circuit 10 that updates management information based on transmission information transmitted from the client 6 via the connection circuit 30.
[0011]
The storage circuit 10 is connected to the control circuit 20 and the connection circuit 30 and holds the management table 12 ′ and the text editor 14 ′.
The control circuit 20 is a circuit that is connected to the storage circuit 10 and the connection circuit 30, runs software held in the storage circuit 10, and updates management information held in the management table 12 ′.
[0012]
The connection circuit 30 is connected to the storage circuit 10, the control circuit 20, and the client 6 via the network 7, and is a circuit that activates and operates the text editor 14 ′ based on transmission information transmitted from the client 6.
[0013]
Next, the flow of management information update processing will be described with reference to FIG.
When transmission information is transmitted from the client 6 via the network 7, the shared file management apparatus 1 starts the text editor 14 'based on the transmission information received via the connection circuit 30, and opens the management table 12'. Is done. (Step S01)
The management table 12 ′ is referred to by the text editor 14 ′, and a record designated by the client 6 is selected. (Step S02)
If logout is instructed by the text editor 14 'from the client 6, the process proceeds to step S12. If a change is instructed, the process proceeds to step S11. If registration is instructed, the process proceeds to step S10. If instructed, the process proceeds to step S08. If deletion is instructed, the process proceeds to step S09. (Steps S03 to S07)
The management information registered in the record is copied to a new record by the text editor 14 ', and the process returns to step S03. (Step S08)
The management information registered in the record is deleted by the text editor 14 ', and the process returns to step S03. (Step S09)
The management information in the transmission information is registered in the record by the text editor 14 ', and the process returns to step S03. (Step S10)
The information on the designated position of the management information registered in the record by the text editor 14 ′ is replaced with the information on the designated position in the transmission information, and the process returns to step S03. (Step S11)
The management table 12 ′ is closed, the text editor 14 ′ is stopped, and the process is terminated. (Step S12)
[0014]
[Problems to be solved by the invention]
In the conventional shared file management apparatus, the update information entered in a list or the like is referred to, and the management information is updated by directly specifying the target record using a text editor.
[0015]
Even when the registered management information is deleted when a specific date arrives, the management information is deleted when it is identified that the specified deletion date has been reached by referring to a list or the like.
Therefore, since the registered management information is directly updated, it is easy to make an update error, and it is necessary to prevent the update error by using a specific person as a dedicated operator.
[0016]
As a result, the file update procedure becomes complicated, and it takes time to update the file.
It is an object of the present invention to provide a shared file management apparatus that can automatically delete management information on a specified deletion date, and can easily update the management information without error without requiring an operator. And
[0017]
[Means for Solving the Problems]
The principle of the present invention will be described with reference to FIG.
In FIG. 1, 1 is a shared file management apparatus, 2 is management information holding means, 3 is date management means, 4 is management information update means, 5 is message holding means, and 60 is a client. A, 61 is a client B, 62 is a client C, and 7 is a network.
[0018]
The shared file management device 1 has management information holding means 2, date management means 3, management information update means 4, and message holding means 5, and is connected to a plurality of clients 6 via a network 7 and holds management information. The management information is updated by an instruction from the client 6.
[0019]
The management information holding unit 2 is a unit that holds management information that is updated by the management information update unit 4 and includes file information, a deletion designation date, and an update authorized person.
The date management means 3 is means for managing and displaying the date.
[0020]
The management information update unit 4 periodically refers to the management information holding unit 2 and the date management unit 3 and, when detecting that the specified deletion specified date has been reached, the management information update unit 4 stores the management information including the deletion specified date. Delete, register the file information and notification destination in the management information in the message holding means 5,
When the transmission information is received from the client 6, the message holding means 5 is referred to. When a notification destination name that matches the transmission source name of the transmission information is detected, it is specified by the file information corresponding to the notification destination specified by the notification destination name. Generate and send a message that the registration of the file to be deleted has been
When deletion of management information is instructed from the client 6, it is identified whether or not the instruction is from an update authorized person.
When a change in management information is instructed from the client 6, it is identified whether or not the instruction is from an update permitter. In the case of an instruction from an update permitter, the collected information is received from the client based on the input file information. Collect and change the management information specified in the file information,
When the registration of management information is instructed from the client 6, the collected information is collected from the client based on the input file information and registered in the management information holding means 2.
[0021]
The management information update unit 4 periodically compares the management information holding unit 2 and the date management unit 3 to check whether or not the deletion designated date has been reached,
When the deletion designation date comes, the management information corresponding to the management information holding unit 2 is deleted, and the file information and the notification destination name are registered in the message holding unit 5.
[0022]
Next, the management information updating unit 4 checks whether or not the transmission information is received from the client 6. When the transmission information is received, the transmission source name in the transmission information and the notification destination registered in the message holding unit 5 are checked. If the names match, the notification destination is notified of the deletion of management information based on the file information registered corresponding to the notification destination name.
[0023]
Next, the management information update unit 4 refers to the instruction item in the transmission information from the client 6.
When the deletion is instructed, the management information update unit 4 identifies whether or not the instruction is from the update authorized person, and deletes the management information in the case of an instruction from the update authorized person,
When the change is instructed, the management information update unit 4 identifies whether or not the instruction is from an update permitter. If the instruction is from the update permitter, the management information update unit 4 collects information from the client based on the file information in the transmission information. And replace the information at the specified position in the management information with the information at the specified position in the transmission information and collection information,
When registration is instructed, the management information update unit 4 collects the collected information from the client based on the file information in the transmission information, registers it in the management information holding unit 2,
Return to the check to see if the date has been specified for periodic deletion again.
[0024]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the invention will be described in the order of (A) the configuration of the shared file management apparatus of the present invention and (B) the flow of shared file management processing of the present invention, with reference to FIGS.
[0025]
In addition, the same code | symbol is attached | subjected to the part which is the same as that demonstrated in description of the prior art example, and description of the principle of this invention, or a corresponding part, and a new code | symbol is attached | subjected about the part newly demonstrated in this description. explain.
(A) Configuration of Shared File Management Device of the Present Invention In FIG. 2, 1 is a shared file management device, 10 is a storage circuit, 20 is a control circuit, 30 is a connection circuit, and 12 is a management table. , 13 is a calendar timer, 14 is a management information update unit, 15 is a message holding unit, 60 is a client A, 61 is a client B, 62 is a client C, 7 is It is a network.
[0026]
The shared file management apparatus 1 includes a storage circuit 10, a control circuit 20, and a connection circuit 30, is connected to a plurality of clients 6 via the network 7, holds management information, and stores management information according to instructions from the client 6. It is a device to update.
[0027]
The management table 12 is an area that is provided in the storage circuit 10 and holds management information that is referred to and updated by the management information update unit 14.
The management information update unit 14 updates the management information held in the management table 12 based on the transmission information transmitted from the client 6 and received by the connection circuit 30 via the network 7. Software held in the storage circuit 10 It is.
[0028]
The management information update unit 14 periodically refers to the calendar timer 13 and deletes the management information including the deletion designated date when the arrival of the deletion designated date is detected, and the file information in the management information Register the notification destination in the message holding unit 15,
When the transmission information is received from the client 6, the message holding unit 15 is referred to. When a notification destination name that matches the transmission source name of the transmission information is detected, the notification destination specified by the notification destination name is set based on the corresponding file information. To generate and send a message to notify the deletion of management information,
If the instruction from the client 6 is to delete management information, whether or not it is an update permitter's instruction is identified by comparing the permitter name in the management table 12 with the transmission source name in the transmission information, and the update permission Delete the management information if instructed by the
When the management information is changed, it is identified whether or not it is an instruction from an update authorized person. If the instruction is from an update authorized person, the collected information is collected from the client 6 based on the file information in the transmission information, and the file Change the management information specified in the information,
In the case of registration of management information, it is software held in the storage circuit 10 that collects collected information from the client 6 based on file information in transmission information and registers it in the management table 12.
[0029]
The storage circuit 10 is a circuit that holds the management table 12, calendar timer 13, management information update unit 14, and message holding unit 15 connected to the control circuit 20 and the connection circuit 30.
[0030]
The control circuit 20 is a circuit connected to the storage circuit 10 and the connection circuit 30 to update the management information by running the software held by the storage circuit 10.
The connection circuit 30 is connected to the storage circuit 10 and the control circuit 20, is connected to the client 6 via the network 7, transfers transmission information from the client 6 to the management information update unit 14, and This is a circuit that sends the generated deletion notification message to a notification destination and transfers the collected information collected from the client 6 to the management information updating unit 14 based on an instruction from the management information updating unit 14.
[0031]
The calendar timer 13 is a well-known area provided in the storage circuit 10 that retains a periodically updated date as calendar information.
The message holding unit 15 is an area provided in the storage circuit 10 that holds file information indicating the management information deleted from the management table 12 and a notification destination name on the specified deletion date.
[0032]
FIG. 6 is a diagram illustrating a format of input information notified from the client 6, and the input information includes transmission information transmitted from the client 6 and collection information collected by the management information update unit 14.
[0033]
The transmission information includes file information (that is, “file name” and “storage position”) that specifies a file to be instructed, an instruction item that specifically indicates the instruction, a transmission source name that specifies the instructor, It consists of a delete specified date that specifies the delete date and an update permitter who is allowed to instruct the update after registration,
The collected information is a file amount indicating a file capacity that can be automatically notified by the client 6 based on the file information.
[0034]
FIG. 7 is a diagram showing a format of the management table 12, and the management information is configured in a record format including a file name, a storage position, a file amount, a deletion designation date, and an update authorized person for each shared file.
[0035]
For example, a shared file with the file name File01 is stored in a partition called FKD in DISK1 of the client A60, the file capacity is 1024 MB, and only FKD belonging to QCFIRM is allowed to be updated. FIG. 7 shows that the file is deleted on September 25, 1999.
(B) Flow of shared file management process of the present invention The calendar timer 13 is periodically referred to by the management information updating unit 14, and if the previously referred date and the current referenced date are the same, the process proceeds to step S06, and if different Then, the process proceeds to step S03. (Steps S01 to S02)
The management information update unit 14 refers to the management table 12 and proceeds to step S05 if a record that has reached the specified deletion date is detected, and proceeds to step S06 if it is not detected. (Steps S03 to S04)
The record that has reached the specified deletion date is deleted by the management information update unit 14, the file information and the notification destination name registered in the record are stored in the message holding unit 15, and the process proceeds to step S06. (Step S05)
The management information updating unit 14 checks the presence / absence of transmission information from the connection circuit 30. If transmission information is detected, the process proceeds to step S08. If transmission information is not detected, the process returns to step S01. (Steps S06 to S07)
When the management information updating unit 14 refers to the message holding unit 15 and if a record in which the registered notification destination matches the transmission source name in the transmission information is detected, the process proceeds to step S10. The process proceeds to step S11. (Steps S08 to S09)
Based on the file information held in the message holding unit 15 by the management information update unit 14, a message for notifying deletion of the management information is generated and notified to the notification destination via the connection circuit 30. (Step S10)
When the management information update unit 14 checks the instructions in the transmission information and instructs to delete the registered management information, the process proceeds to step S13. When the management information registration is instructed, the process proceeds to step S19. If it is instructed to change the registered management information, the process proceeds to step S22. (Steps S11 to S12)
The management information update unit 14 checks whether or not the management information designated by the transmission information is registered in the management information holding unit 12. If the management information has been registered, the process proceeds to step S15. If the management information has not been registered, the process proceeds to step S18. (Steps S13 to S14)
The management information updating unit 14 compares the transmission source name in the transmission information with the update authorized person name in the management information. If the instruction is from the update authorized person, the process proceeds to step S17, and the instruction from the authorized updater is issued. If not, the process proceeds to step S18. (Steps S15 to S16)
The record including the file information designated by the management information update unit 14 is deleted, and the process returns to step S01. (Step S17)
An error message is generated by the management information updating unit 14, and the error message is further output to the connection circuit 30 and notified to the transmission information transmission source via the network 7. Then, the process returns to step S01. (Step S18)
The management information update unit 14 selects a new record as a registration destination of management information. (Step S19)
Collected information is collected from the transmission information transmission source by the management information updating unit 14 via the connection circuit 30. (Step S20)
The changed part is extracted from the transmission information and the collected information by the management information update unit 14, is replaced with the corresponding part of the registered management information, and the process returns to step S01. (Step S21)
The management information update unit 14 checks whether or not the management information specified by the transmission information is registered in the management table 12. If registered, the process proceeds to step S24. If not registered, the process proceeds to step S26. (Steps S22 to S23)
The management information update unit 14 compares the authorized person name in the management information with the transmission source name in the transmission information. If they match, the process proceeds to step S27, and if they do not match, the process proceeds to step S26. (Steps S24 to S25)
An error message is generated by the management information updating unit 14 and transferred to the transmission source client 6 via the connection circuit 30. Then, the process returns to step S01. (Step S26)
Collected information is collected from the transmission source of the transmission information by the management information update unit 14 via the connection circuit 30. (Step S27)
The transmission information and the collection information are registered in the record as management information by the management information update unit 14, and the process returns to step S01. (Step S28)
[0036]
【The invention's effect】
As described above, according to the present invention, it is not necessary to manage the deletion date of registered management information, and when it is necessary to update, it can be updated easily and without error without requesting a dedicated operator. Therefore, there is an industrial effect that it is possible to manage timely shared files without errors.
[Brief description of the drawings]
FIG. 1 is a principle diagram of the present invention. FIG. 2 is a configuration diagram of a shared file management apparatus according to the present invention. FIG. 3 is a flowchart of the present invention (part 1).
FIG. 4 is a flowchart (part 2) of the present invention.
FIG. 5 is a flowchart of the present invention (part 3).
6 is a format diagram of input information according to the present invention. FIG. 7 is a format diagram of a management table according to the present invention. FIG. 8 is a format diagram of a message holding unit according to the present invention. 10 is a conventional management table format diagram. FIG. 11 is a conventional flowchart.
DESCRIPTION OF SYMBOLS 1 Shared file management apparatus 2 Management information holding means 3 Date management means 4 Management information update means 5 Message holding means 6 Client 7 Network 10 Storage circuit 12 Management table 12 'Management table 13 Calendar timer 14 Management information update section 14' Text editor 15 Message holding unit 20 Control circuit 30 Connection circuit 60 Client A
61 Client B
62 Client C

Claims (1)

Manage shared files shared by multiple clients,
Management information holding means for holding, as management information, the file name, storage location, deletion designation date, and notification destination of each shared file;
Date management means for managing dates;
A shared file management device having a file corresponding to the case where the deletion designation date is reached by comparing the date with the deletion designation date and management information update means for deleting the management information of the file,
Message holding means for holding the file name, storage location and notification destination of the deleted file;
When the management information update instruction is input from the client, the management information update unit identifies that the instruction is from the notification destination, and notifies the notification destination of the deletion of the management information related to the file File management device.

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