CN103051729A - Isomerous data synchronous implementation method - Google Patents
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- CN103051729A CN103051729A CN2013100115744A CN201310011574A CN103051729A CN 103051729 A CN103051729 A CN 103051729A CN 2013100115744 A CN2013100115744 A CN 2013100115744A CN 201310011574 A CN201310011574 A CN 201310011574A CN 103051729 A CN103051729 A CN 103051729A
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Abstract
The invention discloses an isomerous data synchronous implementation method, which comprises the following steps that a released client side regularly calls and collects a dll (Dynamic Link Library) component to scan a self source data base of the client side, extracts new data, then packages the collected data to be a data packet with an XML (Extensive Makeup Language) format according to a format SOAP (Simple Object Access Protocol), and uploads the data packet to a server; and a collected client side regularly calls a download process to download the data packet with the XML format, classifies and queue manages the newly downloaded data packet according to different application requirements after the download is finished, and then calls and converts the dll component to restore and install the data packet in a corresponding queue into corresponding application. The isomerous data synchronous implementation method can realize synchronization of a data structure and data between any two data bases in an internet environment, is completely based on a uniform platform, and provides completely pluggable support for different sub-systems or external systems on the platform.
Description
Technical field
The present invention relates to a kind ofly realize isomeric data library structure and the synchronous method of data in unified data publishing platform, be characterized in the technology based on Web Services, and the middleware theory, and adopt many measures to guarantee the fail safe of data transmission procedures.
Background technology
After information produces, can be used by different subsystems or external system, each subsystem or external system are different to data storage and occupation mode, so, take a large amount of time and human resources for the data transaction work meeting of different subsystems or external system.
Adopt the publish/subscribe pattern to realize the data synchronizing function in each large Sybase product, but the synchronizing function of isomeric data library structure is not provided.In addition, although the heterogeneous database synchronization means that has existed can Base Structure synchronously,, whenever have more a sub-systems or external system, all will make amendment to instrument itself around synchronizing function, not only workload is huge, and the maintainability of code also can not be guaranteed.And these synchronization means are considerably less to the consideration of fail safe aspect, also need to participate in the open extra port of synchronous computer, and this is so that limitation is received in its application on the internet.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method for synchronous of realizing data structure and data between any two databases of internet environment, this method for synchronous is plug type fully based on unified platform to being supported on the platform of different sub-systems or external system fully.
A kind of isomeric data synchronization realizing method is characterized in that may further comprise the steps:
1) issue client terminal regularly calls the source database of collecting dll component scans issue client terminal self, extracts new data, and afterwards the new data of collecting is packaged into the packet of XML form according to desired form SOAP and uploads onto the server,
2) collect client and regularly call the packet that downloading process is downloaded the XML form, after download is finished newly downloaded packet is carried out classification queue management according to the demand of different application, then call and turn grade dll assembly the reduction of the packet in the respective queue is installed in the corresponding application.
The detailed process of described step 1) is:
1.1) dispatching process of issue client terminal starts on time and collect the dll assembly;
1.2) collect the dll assembly and from collect allocation list, obtain the collection configuration parameter;
1.3) collect the time started as boundary take the last time, the database that scanning is relevant obtains qualified data according to collecting configuration parameter from source database;
1.4) obtaining all ranks of same information type, the information data SOAP that rank is identical is encapsulated in the packet in order, and every kind of rank all generates an XML packet, and the relevant information of this packet is stored in the packet state table;
1.5) the XML packet is carried out squeeze operation;
1.6) dispatching process sends upload request to server;
1.7) dispatching process after the answer that server permits uploading uploads onto the server packet obtaining.
Wherein, step 1.1) the collection dll assembly in is the set that a dll collects driven unit, and every type a data all corresponding dll are collected driven unit, compiles accordingly encapsulation operation and collects driven unit by dll and finish.
Described step 2) detailed process is:
2.1) collect the dispatching process of client on time to server proposition download request;
2.2) server is according to the process of the sending download request pre-XML data of downloading of relevant identity information preparation and return to dispatching process;
2.3) download finish after, dispatching process contracts XML packet decompress(ion) and carries out data allocations according to type of data packet;
2.4) the corresponding grade dll assembly that turns of dispatching process startup;
2.5) turn grade dll assembly and from turn grade allocation list, obtain and turn a grade configuration parameter;
2.6) turn grade dll assembly and data are reduced into each use corresponding deposit data position according to turning grade configuration parameter.
Step 2.4 wherein) grade dll assembly that turns in is the set that a dll turns grade driven unit, and every type data all corresponding dll turn a grade driven unit, and corresponding restoring operation turns a grade driven unit by dll and finishes.
Beneficial effect of the present invention:
1, transfer of data does not need to participate in the open specific port of synchronous computer based on the HTTP mode.
XML and Web Service/SOAP technology are adopted in system communication.XML becomes main expression and the exchange tool of web information gradually, the XML technology become data interaction, integrated, the storage standard.Web Service is the object/assembly on a kind of Web of being deployed in, provide enterprise-level application integrated simple, extendible, based on the model of industry standard.Web Service carries out communication with existing web agreement and data pattern, does not rely on specific language, platform and object model.Web Service uses SOAP as the standard of communication.SOAP is a kind of Wire Protocol of swap data that how to have defined, and uses XML as the standard of packaging information.Client is delivered to server by SOAP package request information by Internet, calls background application by Web Service service interface again.Because SOAP realizes on the http communication agreement, therefore can call the platform of any support http protocol, and passing fire wall easily, finishing some component models can't unlabored work.After the complete client-requested of server process, also use SOAP encapsulation return results, pass to client by Internet.
2, number of mechanisms is guaranteed Information Security
Can select the SSL passage to guarantee the confidentiality of communication; Adopt the subscriber authorisation mode of data clauses and subclauses rank to guarantee that the user who only has corresponding authority just can obtain relevant information; Can select the several data verification mode to guarantee that information can by accidental or intentional destruction, not keep the complete, unified of information in transport process.Sender to information or data identifies.Guarantee information is transmitted by the sender through sign, thereby avoids former packet to be repeated to send.And the transmission behavior of process safety certification sign can't be denied by the full name record.
Description of drawings
Fig. 1 is structural representation of the present invention,
Fig. 2 is the flow chart of collecting issuing process among the present invention,
Fig. 3 is the class figure that collects issue,
Fig. 4 is the flow chart that reduction turns grade process among the present invention,
Fig. 5 is the class figure that reduction turns shelves.
Embodiment
Such as Fig. 1, isomeric data synchronization realizing method of the present invention mainly comprises two large steps:
1)
The Data Collection issue:Issue client terminal regularly calls the source database of collecting dll component scans issue client terminal self, extracts new data, and afterwards the new data of collecting is packaged into the packet of XML form according to desired form SOAP and uploads onto the server,
2)
The data reduction turns shelves:Collect client and regularly call the packet that downloading process is downloaded the XML form, after download is finished newly downloaded packet is carried out classification queue management according to the demand of different application, then call and turn grade dll assembly the reduction of the packet in the respective queue is installed in the corresponding application.
The invention will be further described below in conjunction with accompanying drawing.
1, Data Collection issue
Such as Fig. 2, the Data Collection issuing service mainly comprise the information data extraction, encapsulate, upload etc., function distributing is at issue client terminal, such as issue client terminal.
Primary application program regularly calls the information data (leaving in the database or file of issue client terminal server (information service device)) of collection dll component scans issue client terminal end every day, the fresh content of extraction behind the last end of scan, with its packet that is packaged into the XML form according to certain form, then send in the public server database of public network.
The collection of information data, encapsulation are mainly finished by calling collection dll assembly.The class figure of this part such as Fig. 3.
1.1 collect scheduling
Collecting scheduling is the primary application program of collecting terminal.Reading system clock regularly behind the process initiation calls different collection dll scanning information database on time and leaves information data in the file in, and the above single pass time started is boundary, and the information report that all are new is read; Information is classified according to rank, and same other information of level is encapsulated in the XML packet according to consolidation form, then stores the issue catalogue of collecting client terminal local into the formation form, and uploads onto the server;
1.1.1 method is described
1. collect the dll scheduling
Method explanation: take minute as interval reading system clock, allocation list is collected in simultaneously inquiry, take the time as trigger condition, call corresponding collection dll assembly according to the different collection time starteds, collect the interior information data of this dll assembly working range; Data are packaged into the XML packet by different stage, are stored in specified path.
Main interface: (importing into) collection profile.
2. data packet compressing:
The method explanation: the data compression method that calls in the compression service is the ZIP bag with newly-generated XML data packet compressing.
Main interface: (importing into) packet name and path;
(spreading out of) zip bag name and path.
3. packet is uploaded:
Method explanation: after each collection dll finishes the work of collecting encapsulation, send upload request to server, obtain responding the data transmission method for uplink of rear calling data transmission service, newly-generated XML packet is uploaded onto the server; The packet state with the packet state table uploaded after being successfully completed is updated to be uploaded.
Main interface: packet is deposited the path;
1.1.2 mentality of designing
The information data have polytype, and data based its importance of dissimilar information and actual effect have the different time of compiling and frequency, and this time and frequency are set by the system manager;
The information collecting arrangement function is by the timing running background, and according to the time started that sets and the operation of automatically startup process of frequency, the personnel that need not intervene, and allow manual pressing under the particular case;
After the arrangement of each information finishes the summary infos such as the title of this XML packet of processing, classification are write in the log sheet, preserved as operation note;
The concrete work of compiling is finished by calling dll collection driven unit;
Information has polytype, requires as the report of the information of each type distributes one to collect driven unit, compiles corresponding information and will call corresponding assembly and carry out;
When compiling one type information, generate according to the different stage of information a plurality of XML packets of different stage attribute;
1.1.3 associated data object
1. collect the dll assembly;
2. packet state table.
1.2 collect dll assembly bag
Collecting dll assembly bag is a set of collecting driven unit, and every type a data all corresponding dll are collected driven unit, compiles accordingly encapsulation operation and is finished by dll collection driven unit.
1.2.1 collecting the dll component design describes
After collection dll assembly is called, begin to carry out collection, the encapsulation function of information data, the operation that need to finish comprises:
1) read the collection allocation list, obtain relevant parameter, collect the time started as boundary take the last time, the database that scanning is relevant obtains all new data;
2) obtain all ranks of same information type, in information data encapsulation to a packet that rank is identical, every kind of rank all generates an XML packet, is stored under the specified path in order;
3) XML packet of every generation needs the relevant information of this packet is stored in the packet state table;
4) after all information data are finished dealing with, give the process of uploading with control, the method that calling data sends is uploaded packet;
1.2.2 collect the main interface of dll assembly
Collecting the dll assembly mainly contains with lower interface:
1) packet is deposited the path; (indicate the encapsulation number the XML packet be stored under which catalogue).
2) acquisition time; (the Data Update time at this moment between after the new data for need collecting).
1.3 packet is uploaded
After each collection dll finishes the work of collecting encapsulation, send upload request to server, obtain responding the data transmission method for uplink of rear calling data transmission service, newly-generated XML packet is uploaded onto the server; The packet state with the packet state table uploaded after being successfully completed is updated to be uploaded.
1.3.1 method is described
1. upload:
Method explanation: send upload request to server, call the data transmission method for uplink uploading data of collecting the transmission service class after meeting with a response, show in real time the state of uploading in the process of uploading: comprise upload progress bar, the filename of uploading, remaining time, with the time etc.; Need record in addition the sending times of identical file, if surpass the sending times upper limit, then the alarm method of makeing mistakes of calling data transmission service sends warning.
Main interface: (importing into) uploading data filename and address;
The sending times upper limit.
1.3.2 mentality of designing
Uploading can speed limit; Speed limit is set by the user (seeing that parameter arranges part);
After uploading successfully, the packet of collecting terminal this locality still keeps as backup, but transmission state is labeled as and uploads;
The process of Packet Generation and reception is supported breakpoint transmission;
Upload and to carry out transfer check, if there is mistake, automatically retransmit;
Sending times is not still uploaded successfully after surpassing maximum constraints, then needs automatic alarm; Type of alarm comprises: the interface is reported to the police, sends mail, is charged to the journal file etc. of makeing mistakes;
The shielding error of transmission; If there is mistake, be recorded in the journal file of makeing mistakes;
1.3.3 associated data object
1. CONFIG.SYS;
2. packet state table;
1.3.4 related interfaces
1. table 1 is to upload the state display window to change mouth:
Table 1
2. the packet reduction turns shelves
Such as Fig. 4, the packet reduction turns the services such as reduction installation that shelves comprise that mainly packet is downloaded, the downloading data bag is used distribution, packet, and these function distributings are in client.
The client primary application program regularly calls downloading process downloading data bag, after download is finished newly downloaded packet is carried out classification queue management according to the demand of different application, then call and turn grade driven unit the reduction of the packet in the respective queue is installed in the corresponding application.This part class figure such as Fig. 5:
2.1 turn the shelves scheduling
Turning the shelves scheduling is the primary application program of client.Timing reading system clock calls downloading process on time behind the process initiation, downloads the packet in the extent of competence, reads the application ID of each downloading data bag, and it is deposited in the corresponding application queue.Whole downloads and assigned after, inquiry turns a grade allocation list, calls to turn grade dll assembly and process packet in the application queue.
2.1.1 method is described
1. download schedule:
Method explanation: take minute as interval reading system clock, simultaneously inquiry turns a grade allocation list, take the time as trigger condition, send download request to server according to the predetermined time started, call the data receive method receive data of collecting the transmission service class after meeting with a response; Show in real time the state of downloading in the process of downloading: comprise download progress bar, the filename of downloading, remaining time, with the time etc.;
Main interface: (importing into) packet is deposited the path;
2. packet decompresses:
The method explanation: the uncompressing data of calling in the compression service decompresses newly downloaded packet.And the packet after will decompressing covers former zip file;
Main interface: (importing into) zip bag name and path;
(spreading out of) packet name and path;
3. download time is definite:
The method explanation: the download time of all clients generally is consistent, stops up for fear of downloading simultaneously the flow peak even the flow that cause, needs to do random floating download time.
After this downloads beginning, dispatching process is obtained the download time of setting from turn grade allocation list, then obtain the random integer value in the domain of walker, the download time of setting is increased or reduce a random value, then it was deposited in as the time of downloading beginning next time and turn a grade allocation list.
4. use and distribute:
The method explanation: the packet of client downloads has dissimilar, is applicable to different application software; Need newly downloaded packet is carried out the classification queue management according to the demand of different application, use for each and generate a file, deposit the available packet of this application; Extract successively each packet in order from download temporary folder, the package informatin of read data packet and apply property are assigned to according to its apply property in the formation of the application that can use this packet; After having assigned interim download folder is emptied;
5. reduction turns shelves:
Method explanation: call and turn a grade dll assembly, process the formation of corresponding application data bag, turn and after shelves are finished this application data bag formation is emptied.
2.1.2 mentality of designing
The packet of downloading is temporarily stored in first in the temporary folder, waits processing;
Downloading this locality can speed limit; Speed limit is set by the user; (seeing that parameter arranges part);
Dissimilar information is according to its importance and actual effect, and the different time of compiling and frequency, has different download times;
For a data packet queue concordance list is set up in each application, the relevant information of record data bag and deposit record;
Require to use one of distribution for each and turn a grade driven unit, the corresponding packet of reduction installation will call corresponding assembly and carry out;
The reduction installation function of packet is moved automatically by the timing backstage;
Packet turns the data packet queue that will use after shelves are finished and empties;
Download will be carried out transfer check, if there is mistake, and automatic repeat request;
The shielding error of transmission; If there is mistake, be recorded in the journal file of makeing mistakes;
2.1.3 associated data object
1. turn a grade allocation list
2. packet state table
2.1.4 related interfaces
Download state display window such as table 2,
Table 2
2.2 turn a grade driven unit bag
Turning a grade driven unit bag is a set that turns grade driven unit, and every kind of dll turns the corresponding a kind of application of grade driven unit, and corresponding reduction turns the shelves operation and turns a grade driven unit by dll and finish.
2.2.1 turning grade dll component design describes
After collection dll assembly is called, begin to carry out collection, the encapsulation function of information data, the operation that need to finish comprises:
1) reads and turn a grade allocation list, obtain relevant parameter, from file, read successively the XML packet;
2) the XML packet is reduced into different information data, is installed in the data structure of application.
2.2.2 turn grade main interface of dll assembly
Turning a grade dll assembly mainly contains with lower interface:
1) packet is deposited path (which catalogue the XML packet that indicates this application is stored under).
In addition, for co-ordination between assurance system and various application software, the various database, seamless link, can customize intermediary interface (being similar to the function of middleware), by the intermediary interface Transfer Parameters realize and other application programs, database between interoperability, guaranteed the relatively stable and function expansibility of application software.
The benefit of intermediary interface is: as be present in systems soft ware and use between special level, abstract typical application model, thus the application software producer can be placed on thinking in the service logic more, and develop with measured form.General synchronous middleware provides a visual configuration surroundings, can use according to different application needs, the visual configuration of the aspect such as role, source server, source database, source table, destination server, destination data storehouse, purpose table, thereby automatically finish the data synchronisation requirement of different application.
The concrete application approach of the present invention is a lot, and the above only is preferred implementation of the present invention, should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvement, these improvement also should be considered as protection scope of the present invention.
Claims (5)
1. isomeric data synchronization realizing method is characterized in that may further comprise the steps:
1) issue client terminal regularly calls the source database of collecting dll component scans issue client terminal self, extracts new data, and afterwards the new data of collecting is packaged into the packet of XML form according to desired form SOAP and uploads onto the server,
2) collect client and regularly call the packet that downloading process is downloaded the XML form, after download is finished newly downloaded packet is carried out classification queue management according to the demand of different application, then call and turn grade dll assembly the reduction of the packet in the respective queue is installed in the corresponding application.
2. isomeric data synchronization realizing method according to claim 1 is characterized in that,
The detailed process of described step 1) is:
1.1) dispatching process of issue client terminal starts on time and collect the dll assembly;
1.2) collect the dll assembly and from collect allocation list, obtain the collection configuration parameter;
1.3) collect the time started as boundary take the last time, the database that scanning is relevant obtains qualified data according to collecting configuration parameter from source database;
1.4) obtaining all ranks of same information type, the information data SOAP that rank is identical is encapsulated in the packet in order, and every kind of rank all generates an XML packet, and the relevant information of this packet is stored in the packet state table;
1.5) the XML packet is carried out squeeze operation;
1.6) dispatching process sends upload request to server;
1.7) dispatching process after the answer that server permits uploading uploads onto the server packet obtaining.
3. isomeric data synchronization realizing method according to claim 2, it is characterized in that, step 1.1) the collection dll assembly in is the set that a dll collects driven unit, every type a data all corresponding dll are collected driven unit, compile accordingly encapsulation operation and are finished by dll collection driven unit.
4. isomeric data synchronization realizing method according to claim 1 is characterized in that,
Described step 2) detailed process is:
2.1) collect the dispatching process of client on time to server proposition download request;
2.2) server is according to the process of the sending download request pre-XML data of downloading of relevant identity information preparation and return to dispatching process;
2.3) download finish after, dispatching process contracts XML packet decompress(ion) and carries out data allocations according to type of data packet;
2.4) the corresponding grade dll assembly that turns of dispatching process startup;
2.5) turn grade dll assembly and from turn grade allocation list, obtain and turn a grade configuration parameter;
2.6) turn grade dll assembly and data are reduced into each use corresponding deposit data position according to turning grade configuration parameter.
5. isomeric data synchronization realizing method according to claim 4, it is characterized in that, step 2.4) grade dll assembly that turns in is the set that a dll turns grade driven unit, every type data all corresponding dll turn a grade driven unit, and corresponding restoring operation turns a grade driven unit by dll and finishes.
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Application publication date: 20130417 |