CN108900497B - Data synchronization method and system between heterogeneous systems - Google Patents
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Abstract
The invention discloses a data synchronization method and a data synchronization system among heterogeneous systems, wherein the method comprises the steps of establishing a scheduling task configuration file; acquiring data of the abnormal events in the source system according to the scheduling task configuration file, and storing the data in an intermediate layer; analyzing the data in the intermediate layer and judging whether the data is synchronized to a target system, if not, synchronizing the data in the intermediate layer to the target system, generating an abnormal alarm when the synchronization fails, and simultaneously skipping the data with the synchronization failure to continue the synchronization of the next data. The invention realizes real-time and accurate data synchronization among different systems, can generate alarm when the data synchronization is abnormal, and is suitable for data synchronization among an ERP system, an MES system, a WMS system, an SRM system and an OA system.
Description
Technical Field
The invention relates to the technical field of data synchronization, in particular to a data synchronization method and system suitable for an EPR system, an MES system, a WMS system and other heterogeneous systems.
Background
With the continuous development of information technology and network technology, many enterprises or factories develop or purchase multiple sets of systems to meet different business requirements, such as an ERP (Enterprise Resource Planning) System for property management, an MES (Manufacturing Execution System) for production Planning, and the like. For data synchronization between these heterogeneous systems, an active processing manner or a passive processing manner is generally adopted in the prior art.
In the active processing mode, the source system periodically uploads a data file to a server (typically an FTP server), and the target system periodically queries and downloads an unprocessed data file from the server and processes the data file. However, in the active processing mode, the data file in the server is not processed in time, and an alarm cannot be generated for the abnormal data file.
In the passive processing mode, the source system pushes data to the target system, after the target system receives the push request, the target system returns a confirmation response of receiving the data, the target system synchronously or asynchronously processes the service data, and simultaneously, the target system informs the source system of the processing result. However, in the passive processing method, a large amount of source system resources are consumed when a large amount of data change occurs in the source system.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a data synchronization method and a data synchronization system among heterogeneous systems, which can realize real-time and accurate synchronization of data among different systems and can generate an alarm when data synchronization is abnormal.
In order to achieve the purpose, the invention provides the following technical scheme: a data synchronization method between heterogeneous systems, wherein the heterogeneous systems comprise a source system and a target system, and the method comprises the following steps:
s1, establishing a scheduling task configuration file;
s2, acquiring data of the source system which is abnormal according to the scheduling task configuration file, and storing the data in a middle layer;
s3, analyzing the data in the middle layer and judging whether the data is synchronized to the target system, if not, synchronizing the data in the middle layer to the target system, generating an abnormal alarm when the data synchronization fails, and skipping the data which fails to synchronize to continue the synchronization of the next data.
Preferably, the establishing of the scheduling task configuration file comprises:
s101, selecting a source system and a target system which need to perform data synchronization according to actual requirements;
s102, configuring a main mark in a database corresponding to a source system, configuring a synchronous mark in a database corresponding to a target system, and establishing a writable mark table in the database corresponding to the source system; and
s103, configuring a sending mode of the source system data and configuring a receiving mode of the target system data.
Preferably, in step S2, data of the source system that is abnormal is obtained according to the writable flag table.
Preferably, in step S3, the master flag and the writable flag table in the source system and the synchronization flag in the target system are updated after the data synchronization is successful.
Preferably, in step S3, comparing the main flag obtained by analyzing the data in the middle layer with the synchronization flag to determine whether the data is synchronized to the target system.
The invention also discloses a data synchronization system between heterogeneous systems, wherein the heterogeneous systems comprise a source system and a target system, and the data synchronization system comprises
The scheduling task file configuration module is used for establishing a scheduling task configuration file;
the middle layer module is used for acquiring and storing data of the abnormal change in the source system according to the scheduling task configuration file; and
and the synchronization module is used for analyzing the data in the middle layer, judging whether the data is synchronized to a target system or not, synchronizing the data to the target system when the data is not synchronized, generating an abnormal alarm when the data synchronization fails, and skipping the data with the failed synchronization to continue the synchronization of the next data.
Preferably, the scheduling task file configuration module comprises
The database selection module is used for selecting the databases corresponding to the source system and the target system which need to perform data synchronization respectively;
the mark configuration module is used for configuring a main mark in a database corresponding to the source system, configuring a synchronous mark in a database corresponding to the target system and establishing a writable mark table in the database corresponding to the source system; and
and the data transmission mode configuration module is used for configuring a sending mode of the source system data and a receiving mode of the target system data.
Preferably, the middle layer module obtains data of the source system, in which the transaction occurs, according to the writable flag table.
Preferably, the synchronization module comprises
The analysis module is used for analyzing the data stored in the middle layer module to obtain a main mark;
the first judgment module is used for comparing the main mark with the synchronous mark to judge whether the data is synchronized to a target system;
the data writing module is used for writing the data into a database corresponding to the target system when the data is not synchronized to the target system;
the second judgment module is used for judging whether the data is successfully written into the target system;
the mark updating module is used for updating a main mark and a writable mark table in a source system and a synchronous mark in a target system after data is successfully written into the target system; and
and the warning module is used for generating warning information after the data is not successfully written into the target system.
The invention has the beneficial effects that:
compared with the prior art, the data synchronization method and system between heterogeneous systems can realize real-time and ready synchronization of data between different systems, reduce coupling between systems, and facilitate users to build scenes meeting use requirements.
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FIG. 1 is a schematic flow chart of a data synchronization method of the present invention;
FIG. 2 is a schematic diagram of a process for creating a scheduled task profile according to the present invention;
FIG. 3 is a block diagram of the data synchronization system of the present invention;
fig. 4 is a schematic diagram of the data synchronization process of the present invention.
Detailed Description
The technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.
The data synchronization method and System between heterogeneous systems disclosed by the invention can realize real-time and accurate transmission of data between different systems, and are particularly suitable for data synchronization between an ERP (Enterprise Resource Planning) System and an MES (Manufacturing Execution System), a WMS (Warehouse Management System), an SRM (Supplier relationship Management) System and an OA (Office Automation) System.
As shown in fig. 1, a data synchronization method between heterogeneous systems includes a source system and a target system, where the source system includes an ERP system, and the target system includes an MES system, a WMS system, etc., of course, the source system may also be an MES system, a WMS system, etc., the target system is an ERP system, each system corresponds to a database, and the database may be MySQL, Oracle, etc. Further, the data synchronization method between heterogeneous systems comprises the following steps:
s1, establishing a scheduling task configuration file;
specifically, different scheduling task profiles are established for data synchronization between different systems, and the scheduling task profiles can be used to set which system performs data synchronization in which manner. In practice, the data synchronization mode may be based on a data log, and may also be based on a table, a view, a stored procedure, and the like. If a scheduling task configuration file can be established aiming at the data synchronization between the ERP system and the MES system, the data synchronization is carried out between the ERP system and the MES system in a data log mode; and if another scheduling task configuration file is established aiming at the data synchronization between the ERP system and the WMS system, the data synchronization is carried out between the ERP system and the WMS system in a form of a table.
Further, as shown in FIG. 2, the schedule task profile may be established according to the following steps:
firstly, selecting a source system and a target system which need to perform data synchronization according to actual requirements, for example, selecting an ERP system and an MES system to perform data synchronization, for example, selecting the ERP system and the WMS system to perform data synchronization;
secondly, configuring a main mark in a database corresponding to the source system, configuring a synchronous mark in a database corresponding to the target system, and establishing a writable mark table in the database corresponding to the source system; wherein, the main mark is used for identifying the data; the writable mark table is used for recording data with transaction, and when the data is written, changed and deleted, the main mark corresponding to the data can be recorded in the writable mark table; the sync mark is used for recording data sync information.
And finally, configuring a sending mode of the source system data and a receiving mode of the target system data.
The invention establishes the main mark in the database corresponding to the source system, establishes the writable mark table for recording the data transaction, and can acquire the data transaction (writing, changing and deleting) in real time according to the writable mark table, thereby ensuring the real-time and accuracy of data synchronization.
Further, S2, acquiring data of the source system with the transaction according to the scheduling task configuration file, and uploading the data to the middle layer;
in particular, the middle layer is used for storing data of transaction in the source system, and plays a certain role in buffering. When a large amount of data change occurs in a database corresponding to the source system, the middle layer can relieve the occupation of the source system resources during data synchronization. In implementation, the data with the transaction can be obtained according to the writable flag table. Furthermore, the data in the middle layer supports secondary development, and the development can be carried out according to the needs of users.
S3, analyzing the data in the middle layer and judging whether the data is synchronized to the target system, if not, synchronizing the data in the middle layer to the target system, generating an abnormal alarm when the data synchronization fails, and skipping the data which fails to synchronize to continue the synchronization of the next data.
Specifically, when data stored in the intermediate layer is analyzed, a main flag corresponding to the data can be obtained. In order to judge whether the data is synchronized into the target system, the main mark can be compared with the synchronization mark in the target system, if the main mark is not the same as the synchronization mark in the target system, the data is required to be synchronized into a database corresponding to the target system, otherwise, the data is not synchronized. In specific implementation, the main flag is preferably set in the form of a timestamp, and when judging whether the data is synchronized to the target system, the main flag can be judged according to the size of the timestamp; meanwhile, when data synchronization is not performed, a synchronization log is recorded, and the synchronization log is used for recording synchronization information.
For data needing to be synchronized, the data may be occupied in the source system, so that when the data are synchronized, whether the data are successfully synchronized into the target system needs to be further judged, and if the data are not successfully synchronized into the target system, alarm information is generated. In practice, the alarm information may be notified to the user in the form of a mail, a pop-up window, or the like. And when the data is successfully synchronized to the target system, further updating the main mark and the writable mark table in the source system and the synchronous mark in the target system, and simultaneously recording the synchronous log.
As shown in fig. 3, a data synchronization system between heterogeneous systems includes a source system and a target system, and the data synchronization system includes a scheduling task file configuration module, an intermediate layer module, and a synchronization module. The scheduling task file configuration module is used for establishing a scheduling task configuration file, the scheduling task configuration file can be used for setting which system carries out data synchronization in which mode, and different scheduling task configuration files can be established aiming at data synchronization among different systems during implementation; the middle layer module is used for acquiring data of the source system with abnormal operation according to the scheduling task configuration file; the synchronization module is used for analyzing the data in the middle layer and judging whether the data is synchronized to a target system or not, synchronizing the data in the middle layer to the target system when the data is not synchronized, and simultaneously generating an abnormal alarm when the data synchronization fails to skip the data with the failed synchronization to continue the synchronization of the next data.
Furthermore, the scheduling task file configuration module comprises a database selection module, a mark configuration module and a data transmission mode configuration module. The database selection module is used for selecting databases corresponding to a source system and a target system which need to perform data synchronization respectively; the mark configuration module is used for configuring a main mark in a database corresponding to the source system, configuring a synchronous mark in a database corresponding to the target system and establishing a writable mark table in the database corresponding to the source system; the data transmission mode configuration module is used for configuring the sending mode of the source system data and configuring the receiving mode of the target system data.
Further, the middle layer module can acquire data of the abnormal change according to the writable flag table.
Furthermore, the synchronization module comprises an analysis module, a first judgment module, a data writing module, a second judgment module, a mark updating module and an alarm module. The analysis module is used for analyzing the data stored in the middle layer module, and the main mark corresponding to the data can be obtained through analysis; the first judging module is used for comparing the main mark with the synchronous mark in the target system; the data writing module writes the data into a database corresponding to a target system; the second judging module is used for judging whether the data is successfully written; the mark updating module is used for updating a main mark and a writable mark table in the source system and a synchronous mark in the target system; the alarm module is used for generating alarm information when the data synchronization is abnormal.
In implementation, as shown in fig. 3 and 4, the parsing module parses the data stored in the middle layer module to obtain the main flag corresponding to the data. The first judgment module compares the main mark with a main mark recorded by a synchronous mark in a target system, if the main mark is different from the main mark recorded by the synchronous mark in the target system, the data is not synchronized, and the data writing module writes the data into a database corresponding to the target system; meanwhile, the second judging module further judges whether the data is successfully written, if not, the alarm module generates alarm information, and meanwhile, the data writing module continues to execute the writing of the next data.
Further, the synchronization module further includes a logging module (not shown) for logging the data synchronization information. And when the data is successfully written into the target system, the log recording module records, and similarly, when the data is synchronized to the target system, the log recording module records.
Therefore, the scope of the present invention should not be limited to the disclosure of the embodiments, but includes various alternatives and modifications without departing from the scope of the present invention, which is defined by the claims of the present patent application.
Claims (7)
1. A method for synchronizing data between heterogeneous systems, wherein the heterogeneous systems comprise a source system and a target system, the method comprising the steps of:
s1, establishing a scheduling task configuration file, wherein the establishment of the scheduling task configuration file comprises the steps of selecting a source system and a target system which need to perform data synchronization according to actual requirements, configuring a main mark for marking data in a database corresponding to the source system, configuring a synchronization mark for recording synchronization information in a database corresponding to the target system, establishing a writable mark table in the database corresponding to the source system, configuring a sending mode of source system data and a receiving mode of target system data, and the writable mark table is used for recording the main mark corresponding to the data with abnormal motion;
s2, acquiring data of the source system which is abnormal according to the scheduling task configuration file, and storing the data in a middle layer;
s3, analyzing the data in the middle layer and judging whether the data is synchronized to the target system, if not, synchronizing the data in the middle layer to the target system, generating an abnormal alarm when the data synchronization fails, and skipping the data which fails to synchronize to continue the synchronization of the next data.
2. The method according to claim 1, wherein in step S2, data of the source system in which the transaction occurs is obtained according to the writable flag table.
3. The method according to claim 1, wherein in step S3, the master flag and the writable flag table in the source system and the synchronization flag in the target system are updated after the data synchronization is successful.
4. The method according to claim 1, wherein in step S3, the main flag obtained by parsing the data in the middle layer is compared with a synchronization flag to determine whether the data is synchronized to a target system.
5. A data synchronization system between heterogeneous systems, wherein the heterogeneous systems include a source system and a target system, and the data synchronization system includes
The scheduling task file configuration module is used for establishing a scheduling task configuration file, and comprises a database selection module used for selecting databases respectively corresponding to a source system and a target system which need to perform data synchronization; the system comprises a mark configuration module, a data processing module and a data processing module, wherein the mark configuration module is used for configuring a main mark for identifying data in a database corresponding to a source system, configuring a synchronous mark for recording synchronous information in a database corresponding to a target system, and establishing a writable mark table in the database corresponding to the source system, wherein the writable mark table is used for recording the main mark corresponding to data with abnormal motion; the data transmission mode configuration module is used for configuring a sending mode of source system data and a receiving mode of target system data;
the middle layer module is used for acquiring data of the abnormal operation in the source system according to the scheduling task configuration file; and
and the synchronization module is used for analyzing the data in the middle layer, judging whether the data is synchronized to a target system or not, synchronizing the data to the target system when the data is not synchronized, generating an abnormal alarm when the data synchronization fails, and skipping the data with the failed synchronization to continue the synchronization of the next data.
6. The system of claim 5, wherein the middle layer module obtains data of the source system that is abnormal according to the writable flag table.
7. The system of claim 5, wherein the synchronization module comprises
The analysis module is used for analyzing the data stored in the middle layer module to obtain a main mark;
the first judgment module is used for comparing the main mark with the synchronous mark to judge whether the data is synchronized to a target system;
the data writing module is used for writing the data into a database corresponding to the target system when the data is not synchronized to the target system;
the second judgment module is used for judging whether the data is successfully written into the target system;
the mark updating module is used for updating a main mark and a writable mark table in a source system and a synchronous mark in a target system after data is successfully written into the target system; and
and the warning module is used for generating warning information after the data is not successfully written into the target system.
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| CN111506556A (en) * | 2020-04-09 | 2020-08-07 | 北京市测绘设计研究院 | Multi-source heterogeneous structured data synchronization method |
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