CN107480225A - Realize the method and computer program product of control station and third party database data sharing - Google Patents
Realize the method and computer program product of control station and third party database data sharing Download PDFInfo
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Abstract
The present invention provides a kind of method that configuration data of control station realizes data sharing with third party database, to move task as running unit, each resettlement task includes two tables, wherein one table for data base-oriented, another table for Control-oriented station, the wherein data in the table at Control-oriented station are the data of numeric type；And this two tables determine that wherein one is used as source data table by the resettlement task type moved, another Zhang Zuowei target matrixs, wherein the data of target matrix are filled by the data of Data source table all the time, and the conversion for being responsible for the data type of " source data table → target matrix " then compiles the mapping function generated to complete by user oneself.The inventive method realizes the data interaction between upper layer application system and bottom control using database as transfer, you can realizes the data interaction between heterogeneous system.
Description
Technical field
The present invention relates to technical field of industrial control, the configuration data and third party database of more particularly to a kind of control station
The method for realizing data sharing.
Background technology
In technical field of industrial control, it can not be docked at present in IAP software architectures with relevant database, therefore
Key-course relatively difficult to achieve docks with managed application data-layer.
The content of the invention
The technical problem to be solved in the present invention, it is that provide a kind of configuration data of control station realizes with third party database
The method of data sharing, the data interaction between upper layer application system and bottom control is realized using database as transfer, you can
Realize the data interaction between heterogeneous system.
What the inventive method was realized in：A kind of configuration data of control station realizes data sharing with third party database
Method, it is characterised in that：To move task as running unit, each resettlement task includes two tables, wherein one is
The table of data base-oriented, another table for Control-oriented station, wherein the data in the table at Control-oriented station are numeric type
Data；And this two tables determine that wherein one is used as source data table, another Zhang Zuowei targets by the resettlement task type moved
The data of tables of data, wherein target matrix are filled by the data of Data source table all the time, and are responsible for " source data table → number of targets
According to table " the conversion of data type the mapping function of generation then compiled by user oneself complete.
Further, each resettlement task is responsible for execution by a thread；Resettlement task is broadly divided into two types, a kind of
It is from the resettlement task of " database → control station ", then the table of the data base-oriented is source data table, the Control-oriented station
Table be target matrix, another kind of is from the resettlement task of " control station → database ", then the table at the Control-oriented station is
Source data table, the table of the data base-oriented is target matrix.
Further, it is allowed to IO under user configures under some resettlement task：
Trigger IO, for by trigger signal come the resettlement of trigger data；
Write-back IO, for completing a trigger signal of the write-back to control station after moving；
IO, including resettlement task control IO and execution periodic Control IO are controlled, controls the data resettlement of resettlement task respectively
State and data resettlement cycle.
Further, it is characterised in that：This method specifically comprises the following steps：
Step S1, data source, including database data source and control station data source are created；
Step S2, IO variables are created, for configuring the triggering IO, write-back IO, controlling IO and for configuring dispersion number
According to table；
Step S3, tables of data, including the tables of data at Control-oriented station and the tables of data of data base-oriented are created；
Step S4, mapping function is created, for the data conversion between control station tables of data and database tables of data；
Step S5, resettlement task is created, fills in resettlement task names and selection resettlement task type；
Step S6, resettlement task is started, the resettlement task can be according to the cycle time or monitoring of setting from control
The trigger signal stood；Data are obtained from data source；And the algorithm of the mapping function using definition, it will be obtained from data source data table
The data taken are converted into the data format of target matrix；Then the table data obtained after conversion send out data with behavior unit
It is sent in the tables of data that target database is specified or is sent in the offset address that target control station is specified.
Further, in the step 3, the tables of data at Control-oriented station is created under control station source；Data base-oriented
Tables of data need created under database source.
Further, in the step 3, the tables of data of the control station is divided into continuous IO link tables of data and discrete IO chains
Tables of data is connect, continuous IO links refer to that the target control station of tables of data is continuous IO address fields；Discrete IO links refer to data
The resettlement that each field of table is carried out using specified I O point address as target.
Further, it is allowed to control of the user configuration control station to resettlement task, including move the execution cycle of task, remove
Move the trigger signal for enabling/hanging up and move tasks carrying of task.
The present invention also provides a kind of computer program product, for realizing the configuration data and third party database of control station
The method for realizing data sharing, the data interaction between upper layer application system and bottom control is realized using database as transfer,
The data interaction between heterogeneous system can be achieved.
What computer program product of the present invention was realized in：A kind of computer program product, including computer program refer to
Order, wherein the computer program instructions are used to realize that the configuration data of the above-mentioned control station of the present invention and third party database are real
The method of existing data sharing.
The invention has the advantages that：, can by the mapping algorithm of disposition data source (control station or database), row data
The mutual data created between control station and relevant database are moved, come realize control station data and the data in database it
Between it is shared.It is achieved thereby that data are docked between key-course and managed application data-layer, pass through the resettlement of data to a certain extent
Share to realize a kind of cross-platform application.Because control station data type is simple value type, and relational data
Storehouse is mostly complex data type, and the present invention can be realized between value type and complex data type by customized mapping algorithm
Conversion, have the higher free degree and adaptability.In addition, the control for allowing control station to moving task is can configure, such as
The execution cycle of resettlement task, the trigger signal for enabling/hanging up, move tasks carrying for moving task.
Brief description of the drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the system block diagram of the inventive method.
Fig. 1 a are that the data in the inventive method from control station to database move FB(flow block).
Fig. 1 b are that the data in the inventive method from database to control station move FB(flow block).
Fig. 2 is a main interface legend of the shared platform for realizing the inventive method.
Fig. 3 a to Fig. 3 f are the allocation window interface legend that the inventive method creates database source process.
Fig. 4 a to Fig. 4 c are the allocation window interface legend that the inventive method creates control station source procedure.
Fig. 5 a to Fig. 5 c are the allocation window interface legend that the inventive method creates IO multivariable process.
Fig. 6 a to Fig. 6 f are the allocation window interface legend for the tables of data process that the inventive method creates Control-oriented station.
Fig. 7 a to Fig. 7 e are the allocation window interface legend for the tables of data process that the inventive method creates data base-oriented.
Fig. 8 a to Fig. 8 b are the allocation window interface legend that the inventive method creates mapping function process.
Fig. 9 a to Fig. 9 c are the allocation window interface legend that the inventive method creates resettlement task process.
Figure 10 a to Figure 10 c are the allocation window interface legend that the inventive method starts resettlement task process.
Embodiment
As shown in figure 1, the method that the configuration data of the control station of the present invention realizes data sharing with third party database, is
Include two tables as running unit, each resettlement task to move task, wherein a table for data base-oriented, another
The table for Control-oriented station is opened, the wherein data in the table at Control-oriented station are the data of numeric type；And this two tables are by removing
The resettlement task type moved come determine wherein one be used as source data table, another Zhang Zuowei target matrixs, wherein target data
The data of table are filled by the data of Data source table all the time, and are responsible for turning for the data type of " source data table → target matrix "
Change and the mapping function generated is then compiled by user oneself to complete.
As shown in Fig. 1 to Figure 10 c, the present invention also provides a kind of computer program product, should to realize the method for the present invention
Computer program product, the computer program are storable in computer-readable recording medium, and including computer program instructions,
Wherein described computer program instructions are used to realize that the configuration data of the above-mentioned control station of the present invention is realized with third party database
The method of data sharing.
Each resettlement task is responsible for execution by a thread；Resettlement task is broadly divided into two types, and one kind is from " data
The resettlement task in storehouse → control station ", then the table of the data base-oriented is source data table, and the table at the Control-oriented station is target
Tables of data, another kind of is from the resettlement task of " control station → database ", then the table at the Control-oriented station is source data table, institute
The table for stating data base-oriented is target matrix.
IO under permission user configures under some resettlement task：
Trigger IO, for by trigger signal come the resettlement of trigger data；
Write-back IO, for completing a trigger signal of the write-back to control station after moving；
IO, including resettlement task control IO and execution periodic Control IO are controlled, controls the data resettlement of resettlement task respectively
State and data resettlement cycle.
This method specifically comprises the following steps：
Step S1, data source, including database data source and control station data source are created；
Step S2, IO variables are created, for configuring the triggering IO, write-back IO, controlling IO and for configuring dispersion number
According to table；
Step S3, tables of data, including the tables of data at Control-oriented station and the tables of data of data base-oriented are created；Control-oriented
The tables of data stood is created under control station source；The tables of data of data base-oriented needs to create under database source；The control
The tables of data stood is divided into continuous IO link tables of data and discrete IO link tables of data, and continuous IO links refer to the target control of tables of data
System station is continuous IO address fields；Discrete IO links refer to that each field of tables of data is carried out by target of specified I O point address
Resettlement；
Step S4, mapping function is created, for the data conversion between control station tables of data and database tables of data；
Step S5, resettlement task is created, fills in resettlement task names and selection resettlement task type；
Step S6, resettlement task is started, the resettlement task can be according to the cycle time or monitoring of setting from control
The trigger signal stood；Data are obtained from data source；And the algorithm of the mapping function using definition, it will be obtained from data source data table
The data taken are converted into the data format of target matrix；Then the table data obtained after conversion send out data with behavior unit
It is sent in the tables of data that target database is specified or is sent in the offset address that target control station is specified.Specifically divide following two
Situation：
1st, as shown in Figure 1a, the data resettlement step from control station to database is as follows：
A) according to the trigger signal of cycle time or monitoring from control station of setting；
B) according to the control station address area of configuration, data are obtained from control station；
C) using the algorithm of the mapping function defined, the data obtained from control station is converted into and stored in database
Data format (conversion in the form of a table with behavior unit perform), the table data obtained after conversion are submitted to database and specified
Tables of data in.
2nd, as shown in Figure 1 b, the data resettlement step from database to control station：
A) according to the trigger signal of cycle time or monitoring from control station of setting；
B) data are obtained from database according to the sql sentences of configuration；
C) using the algorithm of the mapping function defined, the tables of data obtained from database is converted into being capable of controlled station
The numeric type data table of identification (conversion is performed with behavior unit in the form of a table)；By the table data obtained after conversion with behavior list
Position, is transmitted data in the offset address that control station is specified.
As shown in Fig. 2 to Fig. 9 c, the present invention also provides the corresponding step 1 to the configuration module of step 6, including data source
Configuration module, database data table create to be created and configuration module, mapping function compiler with configuration module, control station tables of data
With resettlement task creation and configuration module, step 1 is set to be realized to step 6 by way of user configuration.
Step S1, data source, including database data source and control station data source are created；
Data source includes database data source and control station data source, create data source be in order to create with database or
The connection string of control station.Establishment mode can be in the tree construction of Fig. 2 left sides【Data source】Or【Database】Or【Control station】Section
Enter in point right button menu option, the data created will be stored in DataSourceTableInfo.xml files.
(1) create database data source (exemplified by one SQL Server connection of configuration)：
Choose【Database】Node, the menu of right mouse button ejection as shown in Figure 3 a, then clicks on " newdata source ", bullet
Go out configuration window as shown in Figure 3 b, then click on " ... " button, data link property box will be ejected, as shown in Figure 3 c, and chosen pair
The driving (driving for choosing SQL Server here) answered, as shown in Figure 3 d, it is switched to connectivity option, configuration SQL database institute
Server name (IP address can be used), log database username and password, selection the database name to be connected, test
Determination can be clicked on after successful connection.Correctly with postponing, data source path is obtained as shown in Figure 3 e, then data source is ordered
Click on and determine after name.To occur the database data source just created under " database " node after success, as illustrated in figure 3f.
(2) create control station source (exemplified by one IAPSimu connection of configuration)
Choose【Control station】Node, right mouse button ejection such as Fig. 4 a menus, clicks in " newdata source ", fills in dataSource link
Claim, selection corresponding to control station type, fill in control station IP address and port numbers (for IAPSIMU due to securing port,
Therefore port numbers here at will fill out one).Ejection such as Fig. 4 b configuration window；Click on after determining, as illustrated in fig. 4 c, will be
There is the DSN just created under " control station " node,
Step S2, IO variables are created, it is in order in configuration triggering IO, write-back IO, control IO and configuration to create IO variables
Use during discrete data table, certainly, if resettlement task does not need these single I O points, can not configure.Create IO variables
Mode as shown in figure 5 a and 5b, it is determined that after, as Fig. 5 c can see the IO variables just created under " IO variables sets " node
Point.
Step S3, tables of data is created, tables of data includes the tables of data at Control-oriented station and the tables of data of data base-oriented.
(1) tables of data at Control-oriented station need to create under control station source, after creating successfully, the table will be used as control station->
IAPDBCom data receiver table or IAPDBCom->The data of control station send table.Control station tables of data can be divided into continuous IO again
Tables of data and discrete IO link tables of data are linked, continuous IO links refer to that the target control station of tables of data is continuous IO addresses
Section；Discrete IO links refer to the resettlement that each field of tables of data is carried out using specified I O point address as target.Wherein, the company of establishment
Continuous IO chained lists process as shown in figures 6 a and 6b, after creating successfully, as fig. 6 c, will be seen that in corresponding " tables of data collection "
The table name just created.A discrete IO chained lists process is created as shown in Fig. 6 d and Fig. 6 e, wherein, manage window in IO variables
IO variables can be increased, deleted, change operation by right mouse button popup menu option；As shown in Figure 6 f, after creating successfully,
The table name just created is will be seen that in corresponding " tables of data collection ".
(2) tables of data of data base-oriented needs to create under database source, and after creating successfully, the table will be used as data
Storehouse->(in fact based on the table of the sql sentences return of execution, literary name section definition is main to be used IAPDBCom data acquisition table
Used when data convert, it is consistent the literary name section that sentence returns need to be performed with sql) or IAPDBCom->The data of database are submitted
Table.Wherein Fig. 7 a to Fig. 7 c are the process for the tables of data for creating a reading database table content, and wherein Fig. 7 d to Fig. 7 e are wound
The tables of data of a write into Databasce is built, after creating successfully, configuration data will be saved in DataSourceTableInfo.xml texts
In part.
Step S4, mapping function is created,
Mapping/transfer function is mainly used in the data conversion between control station tables of data and database tables of data, therefore
Need to know source data table structure and target matrix structure (i.e. literary name section name) when function is write, such as to configuring before
TestTable2 and TestTable_select tables establish function, during code inside function is realized, have all the time
ASourceDataSet field data is assigned to the corresponding field of ADestDataSet tables.Creation process such as Fig. 8 a and Fig. 8 b institutes
Show.
Step S5, resettlement task is created, after above step completion, creates new resettlement task configuration, as illustrated in fig. 9,
Newly-built resettlement task is selected, fills in resettlement task names (being only used for display in this software to use), selection resettlement task type (i.e.
The direction of resettlement), interface is as shown in Fig. 9 b and Fig. 9 c.
Step S6, start resettlement task, after having created resettlement task, start button is clicked in main interface, program will
Start the resettlement task for being marked as " enabling ", or click on such as " starting resettlement task " in Figure 10 a.Appoint if desired for checking to move
Business resettlement data, as shown in Figure 10 b and Figure 10 c, can be clicked on【Resettlement task】->【Move task data monitoring】Checked.
Although the foregoing describing the embodiment of the present invention, those familiar with the art should manage
Solution, the specific embodiment described by us are merely exemplary, rather than for the restriction to the scope of the present invention, are familiar with this
The equivalent modification and change that the technical staff in field is made in the spirit according to the present invention, should all cover the present invention's
In scope of the claimed protection.
Claims (8)
1. a kind of method that configuration data of control station realizes data sharing with third party database, it is characterised in that：With resettlement
Task includes two tables as running unit, each resettlement task, wherein a table for data base-oriented, another is face
To the table of control station, the wherein data in the table at Control-oriented station are the data of numeric type；And this two tables are removed by what is moved
Task type is moved to determine that wherein one is used as source data table, wherein another Zhang Zuowei target matrixs, the number of target matrix
According to being filled all the time by the data of Data source table, and be responsible for the conversion of the data type of " source data table → target matrix " then by
The mapping function that user oneself compiles generation is completed.
2. the method that the configuration data of control station according to claim 1 realizes data sharing with third party database, its
It is characterised by：Each resettlement task is responsible for execution by a thread；Resettlement task is broadly divided into two types, and one kind is from " number
According to storehouse → control station " resettlement task, then the table of the data base-oriented is source data table, and the table at the Control-oriented station is mesh
Tables of data is marked, another kind of is that then the table at the Control-oriented station is source data table from the resettlement task of " control station → database ",
The table of the data base-oriented is target matrix.
3. the method that the configuration data of control station according to claim 2 realizes data sharing with third party database, its
It is characterised by：User is allowed to configure following IO under some resettlement task：
Trigger IO, for by trigger signal come the resettlement of trigger data；
Write-back IO, for completing a trigger signal of the write-back to control station after moving；
IO, including resettlement task control IO and execution periodic Control IO are controlled, controls the data relocation state of resettlement task respectively
The cycle is moved with data.
4. the method that the configuration data of control station according to claim 3 realizes data sharing with third party database, its
It is characterised by：This method specifically includes following step：
Step S1, data source, including database data source and control station data source are created；
Step S2, IO variables are created, for configuring the triggering IO, write-back IO, controlling IO and for configuring discrete data
Table；
Step S3, tables of data, including the tables of data at Control-oriented station and the tables of data of data base-oriented are created；
Step S4, mapping function is created, for the data conversion between control station tables of data and database tables of data；
Step S5, resettlement task is created, fills in resettlement task names and selection resettlement task type；
Step S6, resettlement task is started, the resettlement task can be according to the cycle time or monitoring of setting from control station
Trigger signal；Data are obtained from data source；And the algorithm of the mapping function using definition, by what is obtained from data source data table
Data are converted into the data format of target matrix；Then the table data obtained after conversion are transmitted data to behavior unit
In the tables of data that target database is specified or it is sent in the offset address that target control station is specified.
5. the method that the configuration data of control station according to claim 4 realizes data sharing with third party database, its
It is characterised by：In the step 3, the tables of data at Control-oriented station is created under control station source；The tables of data of data base-oriented
Need to create under database source.
6. the method that the configuration data of the control station according to claim 4 or 5 realizes data sharing with third party database,
It is characterized in that：In the step 3, the tables of data of the control station is divided into continuous IO link tables of data and discrete IO link data
Table, continuous IO links refer to that the target control station of tables of data is continuous IO address fields；Discrete IO links refer to the every of tables of data
The resettlement that individual field is carried out using specified I O point address as target.
7. the method that the configuration data of control station according to claim 4 realizes data sharing with third party database, its
It is characterised by：Allow control of the user configuration control station to resettlement task, including move performing the cycle, moving task for task
Enable/hang up and move the trigger signal of tasks carrying.
8. a kind of computer program product, including computer program instructions, it is characterised in that：Wherein described computer program instructions
The method that the configuration data of control station for realizing any one of claim 1 to 7 realizes data sharing with third party database.
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