CN101145163A - Method and system for obtaining data from a plurality of data pool - Google Patents
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Abstract
The present invention discloses a method and a system for acquiring data among a plurality of data sources, and solves the problem that the prior mode for acquiring data by adopting fixed codes is inferior in flexibility. The method includes that entity files are acquired; all properties of the entity are acquired from the entity files, wherein, the entity properties are defined as data sources; the entity properties are analyzed, and an entity structure tree is constructed and displayed; the entity structure tree is inquired, and an entity property value is obtained from a selected data source. Through the present invention, users can define the correlation between the entity properties and the business parameters flexibly according to requirements. When the business parameters run, corresponding property values are drawn out of the entity to constitute business parameters in an active mode of pulling based on the defined correlation, thereby achieving the variability in business control without adopting fixed codes.
Description
Technical field
The present invention relates to microcomputer data processing, particularly relate to a kind of method and system of obtaining data from a plurality of data sources.
Background technology
In the data handling procedure of business application system, usually need to obtain data and handle from a plurality of data sources.For example aspect financial application, a lot of business papers all need to carry out budget control, and budgetary control system is exactly to realize the budget control function by the budget data of handling document.The budget control parameter of needs when having defined budget control according to service conditions in the budgetary control system, some attribute informations of the corresponding business paper of difference, when the performance of budget is handled, need from business paper, obtain the attribute information of corresponding budget control parameter, form the budget control parameter, carry out budget control and handle.
For example described budget control parameter comprises that budget organization, budget items, budget key element, budget period, coin are other, respectively the kind of the tissue under the corresponding document, business item, budget, professional date, the Currency Type information of taking place.When this document is carried out budget control, budgetary control system is according to budget data corresponding in this mapping relationship searching document, whether the specific operation (such as payment) of controlling this document according to certain rule satisfies the condition that takes place again, thereby make corresponding decision-making, then reduce budget such as the budget abundance, document enters next business processing link, if budgetary shortfall then return and carry out manual decision etc.
In the example of above-mentioned budget control, business paper is used for providing budget data to budgetary control system as data source, and wherein, the various attribute informations of document all can be used as the data source of budget control parameter.If document need participate in budget control, existing implementation is to adopt code means to realize, realize by in the operation system at document place, adding the function of searching budget data, promptly finish the overall process that business paper is searched budget separately by each business paper development teams.Thisly obtaining the mode that attribute on the document is formed the budget control parameter by fixed code in program, is the mode of a kind of passive " pushing away ", has following shortcoming:
One, the changeability of budget control is very poor, and variation that can't adaption demand is because steering logic is fixed in the code.For example in the voucher document, the source of forming budget items has: subject, subject+material, subject+tissue or the like are much multi-form, if finish very difficulty of these combinations by code, because can not carry out exhaustive in the code one by one, the combination relative fixed, in case the combination that the user needs must remodify code not among the combination of code compiling, maintenance cost is very big;
Its two, the development amount is big, promptly all modules of enabling budget control all will be write and the budget control correlative code separately;
Its three, the developer's of each operation system budget professional knowledge is required very high, they must know the details of understanding a lot of budget modules, otherwise exploitation can't be carried out;
Its four, the code coupling of each operation system and budgetary control system is very strong, causes budgeting system to be reconstructed very difficulty.
Summary of the invention
Technical matters to be solved by this invention provides the method and system of obtaining data from a plurality of data sources, to solve the existing problem of mode that present employing fixed code is obtained data.
For solving the problems of the technologies described above,, the invention discloses following technical scheme according to specific embodiment provided by the invention:
Obtain the method for data from a plurality of data sources, comprising:
Obtain entity file;
Obtain all properties of entity from entity file, wherein said entity attribute is called data source;
Resolve entity attribute, construct the entity structure tree, and show;
Inquire about described entity structure tree, obtain entity property value from the data source of choosing.
Wherein, resolve entity according to following steps: the rule of predefine access entity; According to described rule analysis entity attribute character; Make up the entity structure tree according to described attribute properties; And according to the good entity information of described rule preservation parsing.
Wherein, obtain entity property value according to following steps from the data source of choosing: the mapping relations of selecting entity attribute foundation and service parameter; When carrying out described service parameter, obtain corresponding entity property value according to described mapping relations.
Obtain the system of data from a plurality of data sources, comprising:
The entity resolution unit is used to obtain entity file; Obtain all properties of entity from entity file, wherein said entity attribute is called data source; Resolve entity attribute, construct the entity structure tree;
Interactive unit is used to show described entity structure tree, and the function of query entity structure tree is provided;
Data capture unit is used for obtaining entity property value from the data source of choosing.
Described system also comprises: general-purpose interface is used for the rule of predefine access entity.
Wherein, described general-purpose interface can be expanded.
Wherein, described entity resolution unit makes up the entity structure tree according to the rule analysis entity attribute character of general-purpose interface definition according to attribute properties, and will resolve good entity information according to described rule and preserve.
Wherein, described interactive unit is set up the entity attribute choose and the mapping relations of service parameter when query function is provided; When carrying out this service parameter, data capture unit obtains entity property value according to described mapping relations from respective data sources.
Obtain the system of data from a plurality of data sources, comprising: client and server, described client are used for initiating data acquisition request to server, and described server is used for obtaining data and returning from a plurality of data sources; Wherein said server end comprises the entity analytics engine, is used to obtain all properties that entity file also therefrom obtains entity, resolves entity attribute, constructs the entity structure tree, and wherein said entity attribute is called data source; Described client shows described entity structure tree by user interface; Also comprise resolver, be used for resolving entity, and the entity attribute of selecting in the entity structure tree according to the user obtains corresponding property value from server end according to the entity analytics engine of client-requested invoking server end.
Obtain the system of data from a plurality of data sources, comprising: client and server, described client are used for initiating data acquisition request to server, and described server obtains data and returns to client from a plurality of data sources by assembly;
Wherein, described assembly comprises the entity analytics engine, is used to obtain all properties that entity file also therefrom obtains entity, resolves entity attribute, constructs the entity structure tree, and wherein said entity attribute is called data source; Client end interface is responsible for and user interactions, and described entity structure tree is shown to the user; Resolver is used for calling described entity analytics engine according to client-requested and resolves entity, and the entity attribute of selecting in the entity structure tree according to the user obtains corresponding property value from server end.
According to specific embodiment provided by the invention, the invention discloses following technique effect:
At first, obtain entity file and obtain all properties of entity, wherein said entity attribute is called data source, resolve described entity attribute then and construct the entity structure tree and be shown to the user, the user can define the corresponding relation of entity attribute (as the document attribute) and service parameter (as the budget control parameter) according to demand flexibly; At operation corresponding relation according to definition during described service parameter, active mode by a kind of " drawing " extracts corresponding property value from entity (as document), form service parameter (budget control parameter), thereby need not just to have realized the changeability of budget control by regular coding.
Secondly, significantly reduced size of code, code maintenance is little.
Once more, because for the user provides flexible setting document attribute and budget control bound of parameter face, so budgetary control system obtains the function of data and separates from each original operation system from document, uniform platform is provided, the developer need not the budget professional knowledge of decorrelation again, has therefore reduced the requirement to the developer.
At last, owing to provide unified data to obtain platform,, provide the reconstruct of budgetary control system so greatly reduced the code coupling of each operation system and budgetary control system.
Description of drawings
Fig. 1 is the described method flow diagram that obtains data from a plurality of data sources of the embodiment of the invention;
Fig. 2 is the configuration interface synoptic diagram of budgetary control system in the embodiment of the invention;
Fig. 3 is the entity structure tree synoptic diagram of voucher document in the embodiment of the invention;
Fig. 4 is the described system architecture diagram that obtains data from a plurality of data sources of the embodiment of the invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
The embodiment of the invention provides a kind of method of obtaining data from a plurality of data sources, by the MDA model-driven, defined the corresponding relation of entity attribute (being data source) with service parameter, when carrying out described service parameter dynamically according to the corresponding relation of definition, mode by a kind of " drawing " initiatively extracts corresponding property value from entity, form service parameter and carry out subsequent treatment, thereby need not just to have realized the changeability of budget control by regular coding, fundamentally change the budget control changeability, significantly reduced size of code.
Wherein, above-mentioned MDA (Model Driven Architecture) is an executing model drive structure, it is by OMG (Object Management Group, OMG) Ding Yi a software development framework, the standard of system operation is utilized the thought of separating the mode details of underlying platform ability from system, MDA provide a kind of approach (by relevant instrument) standardize a platform independently system, standardization platform, be specific implementation platform of system's selection, and system specifications is transformed into specific implementation platform.Three main targets of MDA are: the separation by framework realizes portability, interoperability and reusability.The described method of the embodiment of the invention will be that example describes with the budget control still promptly based on model-drive thought below.
For ease of understanding technical scheme of the present invention, at first introduce the processing mode of budget control.When carrying out budget control, if document will participate in budget, then by the MDA model-driven, the user need select what carry out budget control in the definition interfaces that system provides be which kind of document of which system, selects the budget control parameter then---budget organization, budget items, coin not, which field of corresponding document respectively such as time, professional application value.Budgetary control system can be assembled into the budget control parameter according to configuration extraction information from corresponding document of user, carries out budget control.In this process, the mode that the present invention and the fundamental difference of prior art are to be provided with budget control parameter and document attribute corresponding relation is different, prior art is to realize by the regular coding mode, and the present invention realizes on the client foreground that with this configuration feature the user can be configured as required flexibly.
To describe in detail below and how the configuration feature user oriented be realized.With reference to Fig. 1, be the described method flow diagram that obtains data from a plurality of data sources.In the embodiment of the invention, the applied environment of budgetary control system comprises the client and server end, the configuration interface of budget control parameter is provided in client, when the user need select document to participate in budget control, enter configuration interface and initiate request by user end to server, server end will be carried out following steps:
In the system based on the MDA model-driven, document is solid data, and solid data is stored with document form, serves as the expansion title with " .entity " generally, corresponding business paper entity.The user can at first be provided with and need carry out budget control from which document of which system at configuration interface, and server end is provided with according to the user and obtains corresponding entity file from the corresponding business system.
Configuration interface can be with reference to shown in Figure 2, and the user enters the operation system of selecting at the interface and is " accounting for management ", and business paper is " a traveling expense expense report ", and these two options corresponding controlled variable in budgetary control system is a budget organization.
Described entity structure tree represents to the user with visual window according to the structure of entity in operation system.With reference to shown in Figure 3, be the entity structure tree synoptic diagram of a voucher document, this voucher document comprises sub-attributes such as " transferring items ", " cashier ", " entry ", and each sub-attribute comprises several attributes, shows in the mode of hierarchical directory.
Present embodiment provides a kind of method that makes up the entity structure tree according to entity attribute, the general rule of pre-defined access entity, this rule definition how to obtain field name, field type in the entity attribute, judge whether to have the field another name, whether contain method such as leaf node, according to described rule parsing entity attribute, set then thereby construct entity structure.Concrete steps comprise: at first make up root node, resolve all properties that entity file is obtained according to step 102 then, analytic attribute character if current attribute does not have child, then adds in the entity object; If current attribute has child, illustrate that then this child is a relating attribute (being a relating attribute of " voucher " entity as " entry " attribute among Fig. 3) of this attribute, at first in entity object, add a dummy node, obtaining child's entity according to incidence relation then continues to analyze, so recurrence is gone down, and constructs an entity structure tree.Wherein, described entity object is used for depositing the good entity information (as information such as field names) of parsing according to above-mentioned rule.Certainly, also can adopt additive method to resolve entity and make up entity structure and set.
With reference to entity structure shown in Figure 3 tree, the user can select each attribute of voucher document to come controlled variable such as the budget items of corresponding budgetary control system, coin are other, time in " selections of the source document attribute " window that ejects.For example, select the corresponding budget items of " entry " attribute wherein, perhaps select the corresponding budget items of " receiving and paying out+transfer items " attribute, user's setting is just very flexible like this.Configure the corresponding relation of document attribute and budget control parameter as the user after, server end can extract True Data according to described corresponding relation in entity object.
Illustrate whole process with reference to Fig. 3, in control strategy, select in " responsibility center source ", system can eject attribute and come source window, selects the document attribute, and system ejects and resolves good entity structure tree, this tree is the real structure of voucher entity, the user can select " company " attribute above the voucher entity, and this attribute is company.id at the key word of voucher entity, and this key word is deposited in database.When voucher is examined, budgetary control system can arrive the actual value that voucher extracts company.id, use this id to remove to search budget organization then, then at this tissue according to certain rule searching budget data (this depends on the source of control information can to find which budget) actually.
By said method, the user can carry out the budget control configuration flexibly, and other operation systems personnel also needn't write the code relevant with budgetary control system, greatly reduce workload.
The embodiment of the invention also provides the system that obtains data from a plurality of data sources, as the part of budgetary control system, can extract budget data from the operation system at data source place and carry out budget control.With reference to Fig. 4, be the structured flowchart of described system.Described system mainly comprises entity resolution unit 401, interactive unit 402 and data capture unit 403.
Described entity resolution unit 401 is used to obtain entity file, obtains all properties of entity from entity file, and resolves entity attribute, constructs the entity structure tree; Described interactive unit 402 is responsible for and user interactions, is used to provide configuration interface, shows described entity structure tree, and the function of query entity structure tree is provided, and the user can be provided with the corresponding relation of entity attribute and budget control parameter; Described data capture unit 403 is used for obtaining entity property value from the data source of choosing.Wherein, entity resolution unit 401 is when resolving entity, according to the entities access rule analysis entity attribute character of general-purpose interface 404 definition, make up the entity structure tree according to attribute properties, and will resolve the entity information of getting well according to described rule and be saved in the entity object.Described general-purpose interface 404 is used for the rule of predefine access entity, and expanded function is provided, and the user can further expand according to the general-purpose accessing rule of interface definition.
According to practical application, the present invention also provides another system embodiment, this system comprises client and server, and described client is used for initiating data acquisition request to server, and described server is used for obtaining data and returning from the operation system at a plurality of data sources place; Wherein said server end comprises the entity analytics engine, is used to obtain all properties that entity file also therefrom obtains entity, resolves entity attribute, constructs the entity structure tree; Described client shows described entity structure tree by client UI (User Interface, user interface); Also comprise resolver, be used for resolving entity, and the entity attribute of selecting in the entity structure tree according to the user obtains corresponding property value from server end according to the entity analytics engine of client-requested invoking server end.
Preferably, in the system environments of application component, can realize that server obtains data and returns to client from a plurality of data sources by assembly by creating assembly.This assembly comprises the entity analytics engine, is used to obtain all properties that entity file also therefrom obtains entity, resolves entity attribute, constructs the entity structure tree; Client UI is responsible for and user interactions, and invoking server end function is shown to the user with described entity structure tree; Resolver is used for calling described entity analytics engine according to client-requested and resolves entity, and the entity attribute of selecting in the entity structure tree according to the user obtains corresponding property value from server end; Entity object is used for the good entity information of storing and resolving, as information such as field names.
Need to prove that in the present invention, the notion of " assembly " refers to be applied to the related entities of computing machine, as combination, software or the executory software etc. of hardware, hardware and software.In detail, for example, but assembly can but to be not limited to be process, processor, object executive module, execution thread, program and/or the computing machine that runs on processor.Also have, run on application program on the server or shell script, server can be an assembly.One or more assemblies can be in process of carrying out and/or thread, and assembly can and/or be distributed between two or many computing machines in localization on the computing machine, and can be by various computer-readable mediums operations.Assembly can also be according to the signal with one or more packets, for example, from one with local system, distributed system in another component interaction, and/or communicate by this locality and/or remote process at the network of the Internet signal by the data of signal and other system interaction.
The part that does not describe in detail in the system shown in Figure 4 can be considered for length referring to the relevant portion of method shown in Figure 1, is not described in detail in this.
More than to the method and system of obtaining data from a plurality of data sources provided by the present invention, be described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, part in specific embodiments and applications all can change.In sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. obtain the method for data from a plurality of data sources, it is characterized in that, comprising:
Obtain entity file;
Obtain all properties of entity from entity file, wherein said entity attribute is called data source;
Resolve entity attribute, construct the entity structure tree, and show;
Inquire about described entity structure tree, obtain entity property value from the data source of choosing.
2. method according to claim 1 is characterized in that, resolves entity according to following steps:
The rule of predefine access entity;
According to described rule analysis entity attribute character;
Make up the entity structure tree according to described attribute properties;
And according to the good entity information of described rule preservation parsing.
3. method according to claim 1 is characterized in that, obtains entity property value according to following steps from the data source of choosing:
Select the mapping relations of entity attribute foundation and service parameter;
When carrying out described service parameter, obtain corresponding entity property value according to described mapping relations.
4. obtain the system of data from a plurality of data sources, it is characterized in that, comprising:
The entity resolution unit is used to obtain entity file; Obtain all properties of entity from entity file, wherein said entity attribute is called data source; Resolve entity attribute, construct the entity structure tree;
Interactive unit is used to show described entity structure tree, and the function of query entity structure tree is provided;
Data capture unit is used for obtaining entity property value from the data source of choosing.
5. the system that states according to claim 4 is characterized in that, also comprises: general-purpose interface is used for the rule of predefine access entity.
6. the system that states according to claim 5, it is characterized in that: described general-purpose interface can be expanded.
7. the system that states according to claim 5 is characterized in that: described entity resolution unit makes up the entity structure tree according to the rule analysis entity attribute character of general-purpose interface definition according to attribute properties, and will resolve good entity information preservation according to described rule.
8. the system that states according to claim 4 is characterized in that: described interactive unit is set up the entity attribute chosen and the mapping relations of service parameter when query function is provided; When carrying out this service parameter, data capture unit obtains entity property value according to described mapping relations from respective data sources.
9. obtain the system of data from a plurality of data sources, it is characterized in that, comprising: client and server, described client are used for initiating data acquisition request to server, and described server is used for obtaining data and returning from a plurality of data sources; Wherein said server end comprises the entity analytics engine, is used to obtain all properties that entity file also therefrom obtains entity, resolves entity attribute, constructs the entity structure tree, and wherein said entity attribute is called data source; Described client shows described entity structure tree by user interface; Also comprise resolver, be used for resolving entity, and the entity attribute of selecting in the entity structure tree according to the user obtains corresponding property value from server end according to the entity analytics engine of client-requested invoking server end.
10. obtain the system of data from a plurality of data sources, it is characterized in that, comprising: client and server, described client are used for initiating data acquisition request to server, and described server obtains data and returns to client from a plurality of data sources by assembly;
Wherein, described assembly comprises the entity analytics engine, is used to obtain all properties that entity file also therefrom obtains entity, resolves entity attribute, constructs the entity structure tree, and wherein said entity attribute is called data source; Client end interface is responsible for and user interactions, and described entity structure tree is shown to the user; Resolver is used for calling described entity analytics engine according to client-requested and resolves entity, and the entity attribute of selecting in the entity structure tree according to the user obtains corresponding property value from server end.
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| CN101944127A (en) * | 2010-09-26 | 2011-01-12 | 用友软件股份有限公司 | Method and device for controlling data permission |
| CN102999610A (en) * | 2012-11-22 | 2013-03-27 | 用友软件股份有限公司 | Data access system and data access method |
| CN104281632A (en) * | 2013-07-11 | 2015-01-14 | 深圳市金正方科技股份有限公司 | Encoding and decoding method and system based on object protocol mapping (OPM) |
| CN104281667A (en) * | 2014-09-28 | 2015-01-14 | 用友优普信息技术有限公司 | Expansible budget control device and method |
| CN105117220A (en) * | 2015-08-14 | 2015-12-02 | 浪潮通用软件有限公司 | Operation management and automatic execution method of business entity on the basis of metadata description |
| CN106021528A (en) * | 2016-05-25 | 2016-10-12 | 北京京东尚科信息技术有限公司 | Data processing method and device |
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| CN101944127B (en) * | 2010-09-26 | 2011-12-07 | 用友软件股份有限公司 | Method and device for controlling data permission |
| CN101944127A (en) * | 2010-09-26 | 2011-01-12 | 用友软件股份有限公司 | Method and device for controlling data permission |
| CN102999610A (en) * | 2012-11-22 | 2013-03-27 | 用友软件股份有限公司 | Data access system and data access method |
| CN104281632A (en) * | 2013-07-11 | 2015-01-14 | 深圳市金正方科技股份有限公司 | Encoding and decoding method and system based on object protocol mapping (OPM) |
| CN104281632B (en) * | 2013-07-11 | 2018-05-25 | 深圳市金正方科技股份有限公司 | Coding-decoding method and system based on Object Protocol mapping |
| CN107077640A (en) * | 2014-09-03 | 2017-08-18 | 邓白氏公司 | Analyzed via experience ownership, it is qualification and intake unstructured data sources system and processing |
| CN104281667A (en) * | 2014-09-28 | 2015-01-14 | 用友优普信息技术有限公司 | Expansible budget control device and method |
| CN105117220A (en) * | 2015-08-14 | 2015-12-02 | 浪潮通用软件有限公司 | Operation management and automatic execution method of business entity on the basis of metadata description |
| CN106021528A (en) * | 2016-05-25 | 2016-10-12 | 北京京东尚科信息技术有限公司 | Data processing method and device |
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| CN108984567A (en) * | 2017-06-02 | 2018-12-11 | 华为技术有限公司 | A kind of Service Data Management system and method |
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