CN1249596C - Non Structured data synchronous system and method - Google Patents
Non Structured data synchronous system and method Download PDFInfo
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- CN1249596C CN1249596C CN 02134661 CN02134661A CN1249596C CN 1249596 C CN1249596 C CN 1249596C CN 02134661 CN02134661 CN 02134661 CN 02134661 A CN02134661 A CN 02134661A CN 1249596 C CN1249596 C CN 1249596C
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Abstract
The present invention relates to an unstructured data synchronous system and a method thereof. A structured data base is used for storing unstructured data summary information and synchronizing the summary information firstly, and then, synchronous operation of unstructured data is carried out according to requirements. In this way, the real-time synchronization of the unstructured data is realized under the condition of little traffic. The method comprises the steps that unstructured data summary information tables are synchronized among data base servers of a plurality of branch nodes; the first branch node sends a synchronous request message to the second branch node at which unstructured data is stored; the second branch node receives the synchronous request message and delivers the latest version of the unstructured data to the first branch node; the second branch node stores the information in the synchronous process to the summary information table in the data base server of the second branch node.
Description
[technical field]
The present invention relates to a kind of data synchronous system and method, particularly a kind of non Structured data synchronous system and method for two step of the utilization method of synchronization.
[background technology]
Along with development of economic globalization trend, large quantities of trans-regional, transnational large-size enterprise groups have appearred.The branch offices of these group of enterprises is distributed in all over the world, and information need be shared with combination process by various places branch offices.Therefore, how its information is carried out management and control,, become an important component part of such enterprise operation to realize sharing of Enterprise Resource.And the development of infotech makes the data access stride mechanism, cross-region become possibility with cooperating.At present, for efficient that improves data access and the loss that reduces fault, enterprise generally adopts distributed.
Distributed is meant data storage, the management system that physical space is disperseed, linked together by network in logic, and in this system, the user can use the data of remote storage area as the data of visit local storage.As on June 12nd, 2002 disclosed publication number be the Chinese patent of CN1353836 by name " file management method in the distributed environment and system ", this patent is provided with file controller in each client, management local file and Control Network message exchange, and first index of generation include file memory location is with the sign network information.When certain client is carried out file access, obtain file storage location the user, and file copy is arrived the local terminal, revise first index information simultaneously by first index.This patent has solved particular terminal load centralization and file and has upgraded synchronous problem, but this system exists problems such as client data repeated storage, synchronizing process traffic are big, client operation complexity.
[summary of the invention]
The invention provides a kind of non Structured data synchronous system and method, data sync operation and client are isolated, thereby solved the client operation complicated problems.The present invention adopts two step synchronizing processes in addition, has solved the bigger problem of unstructured data synchronizing process traffic.
System of the present invention comprises some branch nodes and the network that these branch nodes are linked to each other.Branch node comprises a database server, a ftp server and plurality of client end.Database server comprises a summary info table, and the summary info table in this summary info table and other branch node database server keeps synchronously.Ftp server is used to store unstructured data, and can carry out the transmission and the reception of unstructured data with the ftp server of other branch node.Client comprises a Client Agent program, and this Client Agent program comprises a database manipulation module, user's operational module and a file operation module.Wherein file operation module is connected with ftp server, is used for sending the file transfer order to ftp server; The database manipulation module links to each other with database server, be used for to the data of database server inquire about, renewal and deletion action; User's operational module links to each other with file operation module and database manipulation module respectively, for the user provides operation interface.
This invention also provides a kind of unstructured data method for synchronous.The method includes the steps of: (a) synchronous unstructured data summary info between the database server of some branch nodes; (b) user's operational module of first branch node receives the user's data operation requests, and this request is sent to the database server of this first branch node; (c) summary info of the database server of first branch node search subscriber request msg in the summary info table, and Search Results is sent to the file operation module; (d) the file operation module is judged user request information latest edition position, if the latest edition of these data, shows then that the latest edition of these data is to user, EO at the ftp server of this first branch node; If at the ftp server of this first branch node, then the ftp server of first branch node does not send second branch node of synchronization request message to unstructured data latest edition place to the latest edition of these data; (e) second branch node receives synchronization request message, and the unstructured data latest edition is sent to first branch node, and user's operational module of first branch node shows the user with the latest edition of this unstructured data; (f) second branch node is with the summary info table of synchronizing process information stores to this second branch node database server.
By the present invention, realized under the less relatively situation of traffic unstructured data synchronously in real time, and made things convenient for the operation of client.
[description of drawings]
Fig. 1 is the enforcement environment map of non Structured data synchronous system of the present invention and method.
Fig. 2 is the branch node Organization Chart of non Structured data synchronous system of the present invention and method.
Fig. 3 is the host node Organization Chart of non Structured data synchronous system of the present invention and method.
Fig. 4 is the summary info table of unstructured data in the database server of non Structured data synchronous system of the present invention and method.
Fig. 5 is that the client of non Structured data synchronous system of the present invention and method reads the unstructured data process flow diagram.
Fig. 6 is that the unstructured data of non Structured data synchronous system of the present invention and method duplicates process flow diagram.
[embodiment]
As shown in Figure 1, be the enforcement environment map of non Structured data synchronous system of the present invention and method.This system is made up of the enterprise information system node that is dispersed in diverse geographic location, specifically comprises a host node 110 and some branch nodes 120,130 (only drawing among the figure two).These nodes link to each other by intranet 140, and all adopt three layers of (or multilayer) structure: a database server (113,123 or 133), an application server system (112,122 or 132), and distributed client (111,121 or 131).To be example below, introduce the composition of each node with host node 110.
Fig. 2 is branch node 120 structural drawing of non Structured data synchronous system of the present invention and method.The client 121 of branch node 120 comprises a Client Agent program 201, is used for the system operation encapsulation, and system operation is separated with user's operation, has simplified user's operation.This Client Agent program 201 comprises user's operational module 202, a database manipulation module 203 and a file operation module 205.The application server system 122 of branch node 120 comprises a FTP (File Transfer Protocol) server 207 and an apps server 209.
(Graphical UserInterface GUI), makes things convenient for the user to import to user's operational module 202 for the user provides a graphical user interface.This user's operational module 202 links to each other with database manipulation module 203 and file operation module 205, and system is showed the user to the operating result of ftp server 207 and database server 123.File operation module 205 is connected with ftp server 207, is used for sending operational order to file to ftp server 207, and this order comprises File Open, closes, edits, uploads, downloads, deletes, changes and increases or operation such as the folder that deltrees.File operation module 205 also links to each other with database manipulation module 203, is used for the data that process database operations module 203 transmits.Database manipulation module 203 links to each other with apps server 209, is used for generating the data of database server 123 are inquired about, upgraded and operational order such as deletion.Database manipulation module 203 also is responsible for the operating result of database server 123 is sent to file operation module 205.
Fig. 3 is host node 110 structural drawing of non Structured data synchronous system of the present invention and method.The client 111 of host node 110 and the function of database server 113 and composition and structure and branch node 120 identical (see figure 2)s.
The application server system 112 of host node 110 comprises a ftp server 309 and an apps server 310.Ftp server 309 is used to store unstructured data, comprises document, image, sound and image etc.This ftp server 309 links to each other with intranet 140, can carry out file transfer operation by the ftp server of intranet 140 and other branch node.Apps server 310 is control centers of this data synchronous system, comprises a synchronous control module 313, a file transfer control module 311 and a database link block 315.Synchronization control module 313 is used to control the execution of synchronous operation, links to each other with file transfer control module 311 and database link block 315.This synchronization control module 313 can generate some synchronous operation orders according to synchronization request, and these synchronous operation orders comprise data transfer command and upgrade database command, and send a command to file transfer control module 311 and 315 execution of database link block.File transfer control module 311 can receive the synchronization request of ftp server 309 and this request is sent to synchronization control module 313 to generate synchronous control command.Simultaneously, file transfer control module 311 also is responsible for understanding the synch command of synchronization control module 313, and this synch command is compiled as ftp server 309 executable instructions.Database link block 315 can be carried out the database update order of synchronization control module 313, with information updatings such as data synchronization information such as unstructured data position, update times.
Fig. 4 is the middle unstructured data summary info table 400 of the database server 113 (or 213,313) of non Structured data synchronous system of the present invention and method.This summary info table 400 comprises data number 401, data header 403, Data Position 405, data directory 407 and update time 409.Wherein, data number 401 is corresponding unstructured data unified numberings in enterprise information system, and each unstructured data has and only have a unique numbering.Data header 403 is titles of unstructured data, and it can briefly describe the content of this unstructured data.Data Position 405 is FTP of storage unstructured data) the IP address of server, as 10.153.24.126.Data directory 407 is unstructured data catalogues at ftp server.Be the last concrete time to the unstructured data operation update time 409.Summary info table 400 timing in the database server 123 (or 133) of branch node 120 (or 130) is synchronous with the summary info table 400 in the database server 113 of host node 110.For example, can in the database server 113 of host node 113, set the synchronizing step of carrying out a summary info table 400 in per three minutes.
Fig. 5 is that the client 121 of non Structured data synchronous system of the present invention and method reads the unstructured data process flow diagram.At first, the user passes through the GUI of user's operational module 202 to the operation requests (step S501) of system's transmission to a unstructured data, and this operation can be for reading or edit this unstructured data, the corresponding unique number of this unstructured data.Database manipulation module 203 is compiled as query sentence of database with this request, and is sent to database server 123 via apps server 209.Database server 123 is carried out this query statement, inquiry qualified list item (step S503) in data number 401 hurdles of unstructured data summary info table 400.Then, database server 123 is sent to file operation module 205 with the qualified tabular of data number.
Fig. 6 is that the unstructured data of non Structured data synchronous system of the present invention and method duplicates process flow diagram.The synchronizing process that hereinafter exemplifies branch node 120 and host node 110 describes.At first, the ftp server 309 of host node 110 receives the data synchronization request message (step S601) of ftp server 207 transmissions of branch node 120.This data synchronization request is sent to synchronization control module 313 via file transfer control module 311.Synchronization control module 313 is by data number in the data query synchronization request in the summary info table 400 of database link block 315 in database server 113, and the Query Result tabular is sent back synchronization control module 313 (step S603).
Synchronization control module 313 according to 405 hurdles of the Data Position in the summary info table 400 and update times 409 hurdle judge this data latest edition position (step S605).If the data latest edition is not in the ftp server 309 of host node 110, then synchronization control module 313 sends data download command to file transfer control module 311, this data download command comprises the numbering of data, position and catalogue, file transfer control module 311 is compiled into the download instruction that ftp server 309 can directly be carried out with this download command, and be sent to ftp server 309, ftp server 309 is carried out download instruction, download unstructured data latest edition (step S607) from the ftp server of data latest edition place node (as branch node 130), generate a response message simultaneously, whether notice synchronization control module 313 judgment data have downloaded success (step S608), if the data failed download then returns step S603.If the data latest edition is on the ftp server 309 of host node 110, then synchronization control module 313 generates a data upload order, and this order is sent to file transfer control module 311, data upload instruction through 311 compilings of file transmission control module is carried out by ftp server 309, and corresponding data is transferred into the ftp server 207 (step S609) of former requesting node 120.Judge that file uploads whether success (step S611).If file is uploaded success, ftp server 309 is uploaded success message with one and is returned synchronization control module 313 (step S613) via file transfer control module 311, and synchronization control module 313 will be revised the summary message table 400 in the database server 113.If file is uploaded failure, then return step S601.
Claims (11)
1. non Structured data synchronous system, this system comprises some branch nodes and the network that these branch nodes are linked to each other, and branch node comprises a database server, and a ftp server and plurality of client end is characterized in that:
Database server comprises a summary info table, and the summary info table in the database server of this summary info table and other branch node keeps synchronously;
Ftp server is used to store unstructured data, and can carry out the transmission and the reception of unstructured data with the ftp server of other branch node;
Client comprises a Client Agent program, and this Client Agent program comprises a database manipulation module, user's operational module and a file operation module, wherein:
The file operation module is connected with ftp server, is used for sending file to ftp server and passes
Defeated order;
The database manipulation module links to each other with database server, is used for database server
Data are inquired about, renewal and deletion action;
User's operational module links to each other with file operation module and database manipulation module respectively, for making
Provide operation interface with the person.
2. non Structured data synchronous system as claimed in claim 1 is characterized in that, wherein the summary info table comprises numbering, memory location, the update time of unstructured data.
3. non Structured data synchronous system as claimed in claim 1 is characterized in that, wherein the unstructured data of storing in the server of FTP storehouse is document, image, sound and image data.
4. non Structured data synchronous system as claimed in claim 1 is characterized in that, wherein carrying out for timing synchronously between the summary info table in the branch node database server.
5. unstructured data method for synchronous is characterized in that this method may further comprise the steps:
(a) synchronous unstructured data summary info table between the database server of some branch nodes;
(b) first branch node sends second branch node of synchronization request message to the unstructured data place;
(c) second branch node receives synchronization request message, and the unstructured data latest edition is sent to first branch node, and user's operational module of first branch node shows the user with this unstructured data latest edition;
(d) second branch node is with the summary info table of synchronizing process information stores to the database server of this second branch node.
6. non Structured data synchronous system as claimed in claim 5 is characterized in that, wherein the summary info table comprises numbering, memory location, the update time of unstructured data.
7. non Structured data synchronous system as claimed in claim 5 is characterized in that, wherein carrying out for timing synchronously in the step (a).
8. non Structured data synchronous system as claimed in claim 5 is characterized in that, wherein step (b) may further comprise the steps:
(b1) user's operational module of first branch node receives the user's data operation requests, and this request is sent to the database server of this first branch node;
(b2) data of the database server of first branch node search subscriber request in the summary info table, and Search Results is sent to the file operation module;
(b3) the file operation module is judged the latest edition position of user's request msg;
(i) if the latest edition of these data at the ftp server of this first branch node, then beat
Open the latest edition of these data, EO;
(ii) if the latest edition of these data not at the ftp server of this first branch node, then
The ftp server of first branch node sends synchronization request message to the unstructured data place
Second branch node.
9. unstructured data method for synchronous is characterized in that this method may further comprise the steps:
(a) summary info of synchronous unstructured data between the database server of some branch nodes;
(b) user's operational module receiving subscriber data operation requests of first branch node, and this request is sent to the database server of this first branch node;
(c) database server of first branch node search subscriber request msg in the summary info table, and Search Results is sent to the file operation module;
(d) the file operation module is judged user's request msg latest edition position;
(i) as if the ftp server of this data latest edition, then open at this first branch node
The latest edition of these data, EO;
(ii) if the latest edition of these data not at the ftp server of this first branch node, then
The ftp server of first branch node sends synchronization request message to the unstructured data latest edition
Second branch node at this place;
(e) second branch node receives synchronization request message, and the unstructured data latest edition is sent to first branch node, and user's operational module of first branch node shows the user with the latest edition of this unstructured data;
(f) second branch node is with the information stores of the synchronizing process summary info table to the database server of this second branch node.
10. unstructured data method for synchronous as claimed in claim 9 is characterized in that, wherein the summary info table comprises numbering, memory location, the update time of unstructured data.
11. unstructured data method for synchronous as claimed in claim 9 is characterized in that, wherein carrying out for timing synchronously in the step (a).
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| CN 02134661 CN1249596C (en) | 2002-09-03 | 2002-09-03 | Non Structured data synchronous system and method |
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| CN 02134661 CN1249596C (en) | 2002-09-03 | 2002-09-03 | Non Structured data synchronous system and method |
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| CN1249596C true CN1249596C (en) | 2006-04-05 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101064630B (en) * | 2006-04-24 | 2011-09-21 | 华为技术有限公司 | Data synchronization method and system |
| CN101477537A (en) * | 2008-12-31 | 2009-07-08 | 北京思在信息技术有限责任公司 | Method and device for updating abstract structure |
| CN102427466A (en) * | 2011-08-24 | 2012-04-25 | 厦门雅迅网络股份有限公司 | Long-distance updating system and long-distance software automatic updating method based on same |
| CN103092891B (en) * | 2011-11-08 | 2016-01-27 | 中国移动通信集团四川有限公司 | Distributed file storage system and its implementation |
| CN103117883B (en) * | 2013-03-20 | 2015-09-16 | 烽火通信科技股份有限公司 | A kind of packet equipment running status synchronous method |
| CN103475721B (en) * | 2013-09-12 | 2016-09-14 | 广东电子工业研究院有限公司 | A kind of digital asset updates the digital asset update method of system |
| CN104834292A (en) * | 2015-04-27 | 2015-08-12 | 北京华泰诺安科技有限公司 | Nuclear-biological-chemical monitoring data synchronization method |
| CN106603687B (en) * | 2016-12-23 | 2019-03-12 | 中科星图股份有限公司 | Unstructured data transmission method between a kind of multi-user's node |
| CN111832263B (en) * | 2019-04-15 | 2024-04-02 | 北京智启蓝墨信息技术有限公司 | Editing method and device for intelligent teaching materials |
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