CN102646056A - Function expansion method and device for grid GIS (geographic information system) platform based applications - Google Patents
Function expansion method and device for grid GIS (geographic information system) platform based applications Download PDFInfo
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Abstract
The embodiment of the invention discloses a function expansion method for grid GIS (geographic information system) platform based applications. The method comprises the following steps: embedding a plugin interface into a grid GIS platform based application, wherein the plugin interface contains a universal interface function; when the grid GIS platform based application is started, loading a plugin, wherein in the process of plugin loading, information interaction with the grid GIS platform based application is performed through the universal interface function of the plugin interface; and after a function expansion instruction is received, triggering the plugin to call a function in a public operation function library of a grid GIS platform to realize the function of the plugin. The embodiment of the invention also discloses a function expansion device for grid GIS platform based applications. According to the embodiment of the invention, overall re-development for various different application requirements is avoided, thereby lowering the cost of enterprises.
Description
Technical field
The application relates to technical field of power systems, particularly relates to a kind of method for developing functions and corresponding device thereof based on the power grid GIS platform application.
Background technology
General application service system has open architecture and personalized customization function usually, to satisfy the diversified demand of different the main consuming bodies.Simultaneously, adopt open architecture to help promoting the application service provider to carry out modular design and exploitation, thereby improve development efficiency.However, because the singularity that power equipment is used, this technical research thought does not spread to technical field of power systems.Promptly there is such problem in existing various application based on the power grid GIS platform.So-called application based on the power grid GIS platform is to adopt the GIS technology to realize the structuring of power network resources and the various concrete service that image conversion represents.Though these various concrete application services are based upon on the unified power grid GIS platform base, have repellency between every kind of application, can not compatible other application.In case such application has been installed on client terminal,, can not on original application foundation, have increased new function except that realizing to use the prior intended function.Cause field of power based on necessary " complete-disc " stand-alone development of the application kind of power grid GIS platform thus, this mode has increased enterprise cost, has reduced the whole efficiency based on the exploitation of power grid GIS platform application.
Summary of the invention
For solving the problems of the technologies described above, the application embodiment provides a kind of method for developing functions and corresponding device thereof of the application based on the power grid GIS platform, to reduce enterprise cost, to improve the whole efficiency based on the exploitation of power grid GIS platform application.
The method for developing functions based on the application of power grid GIS platform that the application embodiment provides comprises:
Card i/f is embedded the application based on the power grid GIS platform, and said card i/f comprises the general-purpose interface function;
Loading of plug-in during based on the application start of power grid GIS platform, the interface function through card i/f in the said plug-in unit loading procedure with carry out information interaction based on the application of power grid GIS platform;
After receiving the function extended instruction, trigger the respective function realization pin function that said plug-in unit calls the public operation function library of power grid GIS platform.
Preferably, said card i/f uses header file or idl file to describe.
Preferably, encapsulate the public operation function library of power grid GIS platform through the COM mode, form the COM wrapper, then: said plug-in unit calls the COM wrapper of the public operation function library of power grid GIS platform and realizes pin function.
Preferably, said method also comprises: the function type of registered plug-ins, then: during based on the application start of power grid GIS platform, load the plug-in unit of corresponding function type according to type based on the application of power grid GIS platform.
Further preferably, the function type of said plug-in unit uses UUID to describe.
The application embodiment also provides a kind of function expanding device of the application based on the power grid GIS platform.This device comprises embedding unit, loading unit and trigger element, wherein:
Said embedding unit is used for card i/f is embedded the application based on the power grid GIS platform, and said card i/f comprises the general-purpose interface function;
Said loading unit is used for loading of plug-in based on the application start of power grid GIS platform the time, the interface function through card i/f in the said plug-in unit loading procedure with carry out information interaction based on the application of power grid GIS platform;
Said trigger element is used for after receiving the function extended instruction, triggering the respective function realization pin function that said plug-in unit calls the public operation function library of power grid GIS platform.
Preferably; Said device also comprises encapsulation unit; Be used for encapsulating the public operation function library of power grid GIS platform to form the COM wrapper, then through the COM mode: trigger element triggers the COM wrapper realization pin function that said plug-in unit calls the public operation function library of power grid GIS platform after receiving the function extended instruction.
Preferably, said device also comprises registering unit, is used for the function type of registered plug-ins, then: the plug-in unit that based on the application start of power grid GIS platform the time, loads the corresponding function type according to the type based on the application of power grid GIS platform.
The card i/f that the application embodiment will comprise the general-purpose interface function is embedded among the application based on the power grid GIS platform; Loading of plug-in when this application start, the respective function of calling the public operation function library of power grid GIS platform through the plug-in unit that loads realizes pin function.Compared with prior art; The application embodiment function that only needs will be to be expanded incorporates plug-in unit; Through the general-purpose interface function in the card i/f plug-in unit and the application based on the GIS platform are bound,, can realize function expansion based on the application of power grid GIS platform then by calling and the relation of being called between plug-in unit and the public operation function library of power grid GIS platform; The feasible thus application based on the power grid GIS platform has dilatancy; The reopening of having avoided carrying out " totally " formula to various application demand is sent out, thereby has reduced enterprise cost, has improved the whole efficiency based on the application and development of power grid GIS platform.
Description of drawings
In order to be illustrated more clearly in the application embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment that put down in writing among the application, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method for developing functions embodiment process flow diagram of the application based on the application of power grid GIS platform;
Fig. 2 is that the application scenarios of the said embodiment of Fig. 1 is realized synoptic diagram;
Fig. 3 is the function expanding device example structure block diagram of the application based on the application of power grid GIS platform.
Embodiment
In order to make those skilled in the art person understand the technical scheme among the application better; To combine the accompanying drawing among the application embodiment below; Technical scheme among the application embodiment is carried out clear, intactly description; Obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the application's protection.
For above-mentioned purpose, the feature and advantage that make the application can be more obviously understandable, below the basic concepts that earlier the application embodiment related to introduce, combine accompanying drawing and embodiment that the application is done further detailed explanation then.
GIS (Geographic Information System; GIS-Geographic Information System) on subject bases such as geography, cartography, surveying and computer science, growing up, be based upon on data base management system (DBMS) (DBMS) the analysis management basis with the geographical spatial data is a subject of operand, has independently subject system.On function, function such as GIS has the obtaining of spatial data, stores, shows, editor, processing, analysis, output and application; From the angle of service, GIS can provide the system of geographic information services for resident's productive life; From the angle of systematics, GIS has certain 26S Proteasome Structure and Function, is a complete system.Power grid GIS is that the GIS technology is applied to field of power; With Enterprise SOA is the enterprise-level electrical network platform that all kinds of service application provide electrical network figure and Analysis Service; It collects the attribute data of the various power equipments of network system through acquisition terminal, and these attribute datas comprise data such as the figure style, standard name, instrument size, locus, device type, annexation of power equipment.Utilize these data construct and true network system to have the topological structure of corresponding relation then; Realize the structured management and the graphic exhibition of power network resources; The monitoring and the problem investigation that can realize network system through analysis and research thus to topological structure of electric and equipment pattern exhibiting, and then improve electric system Service Management level.Application based on the power grid GIS platform is on the power grid GIS platform, utilizes the various concrete application and service of public resource (such as, the public operation function library of the power grid GIS platform) exploitation of power grid GIS platform.These are used based on business demand, can realize electric system in a certain respect or the function of several aspects.As previously mentioned, the various application based on the power grid GIS platform of the prior art have independence and closed, can not sideways open and backward compatibility.For this reason, embodiments of the invention provide a kind of method for developing functions of the application based on the power grid GIS platform.
Referring to Fig. 1, the figure shows the method flow diagram of the application embodiment.This embodiment comprises:
Step S101: card i/f is embedded the application based on the power grid GIS platform, and said card i/f comprises the general-purpose interface function;
Application based on the power grid GIS platform has independently function; But can be through on the former code base of this application, embedding the importing that the card i/f program realizes card i/f; Card i/f imports to based on not influencing this application original function in the application of power grid GIS platform; Only opened other functional modules of welding " window " for application program, and then the convenient function expansion that realizes based on the power grid GIS platform application.Card i/f can be suitable for header file and describe, and also can use idl file to describe.Here " header file " is mainly used in the statement of save routine as a kind of carrier file that comprises general-purpose interface function, data-interface statement.Generally in an application and development system, the real logic realization of function is to be the basis with the hardware layer, in driver, functional layer program and application program of user, accomplishes.Therefore; The main effect of header file is to call library facility, and each function that is called is provided a description, itself does not comprise the logic realization code of program; It only plays descriptive effect, tells application program to seek the real logic realization code of corresponding function function through corresponding approach.User program only need state and call library facility that compiler can extract corresponding code according to the interface in the header file from the storehouse.IDL (interface definition language, IDL) is used for the edit definition interface document, description operation (process or function), the parameter of operation and the contents such as language of data type.
Step S102: loading of plug-in during based on the application start of power grid GIS platform, the general-purpose interface function through card i/f in the said plug-in unit loading procedure with carry out information interaction based on the application of power grid GIS platform;
The user needs loading of plug-in for realizing based on the function expansion of the application of power grid GIS platform when starting, so that realize this purpose through the operation plug-in unit.Plug-in unit is accomplished the entity of function as reality, and its inside has independence, and which kind of function plug-in unit is realized and how to be realized determining by plug-in unit self.But pin function is realized and must be combined with the application based on the power grid GIS platform; In this cohesive process (realizing that promptly plug-in unit loads); Plug-in unit need be through card i/f the general-purpose interface function with carry out information interaction based on the application of power grid GIS platform, mutual result has realized plug-in unit and based on " binding " between the application of power grid GIS platform.It should be noted that: the general-purpose interface function of realizing here binding between plug-in unit and application and the difference of the function in the public operation function library of the power grid GIS platform in the subsequent step based on the power grid GIS platform; The former is a system function; System by based on the application of power grid GIS platform operation provides, the operation result of this system function be with plug-in card program successfully " welding " in application based on the power grid GIS platform; The latter is the function that the public operation function library of power grid GIS platform provides, and this function is the total function of the GIS technology various realization GIS platform application that are applied to write in the field of power process.
Step S103: after receiving the function extended instruction, trigger the function realization pin function that said plug-in unit calls the public operation function library of power grid GIS platform.
After " having dissolved in " plug-in unit in the application based on the power grid GIS platform; Can carry out plug-in component operation and then realize that pin function reaches the purpose of function expansion according to pre-conditioned; Here pre-conditioned can be to receive the function extended instruction; This instruction can be by user control, import through instruction window, produces corresponding triggering after also can having loaded plug-in unit, generates and the function extended instruction of transmission; Pre-conditioned can also be preset time period, if the time promptly generate and the propagation function extended instruction after arriving, such as, systematic function extended instruction during based on identical time of every day of being applied in of power grid GIS platform.After receiving the function extended instruction, trigger the function realization pin function that plug-in unit calls the public operation function library of power grid GIS platform.Call the function decision which kind of function need be realized by plug-in unit.The process of plug-in unit call function promptly is the operational process of plug-in unit, and the operation through plug-in unit has realized the function expansion based on the application of power grid GIS platform.
The card i/f that present embodiment will comprise the general-purpose interface function is embedded among the application based on the power grid GIS platform, loading of plug-in when this application start, and the respective function of calling the public operation function library of power grid GIS platform through the plug-in unit that loads realizes pin function.Compared with prior art; The present embodiment function that only needs will be to be expanded incorporates plug-in unit; Through the general-purpose interface function in the card i/f plug-in unit and the application based on the GIS platform are bound,, can realize function expansion based on the application of power grid GIS platform then by calling and the relation of being called between plug-in unit and the public operation function library of power grid GIS platform; The feasible thus application based on the power grid GIS platform has dilatancy; The reopening of having avoided carrying out " totally " formula to various application demand is sent out, thereby has reduced enterprise cost, has improved the whole efficiency based on the application and development of power grid GIS platform.In addition, above-mentioned plug-in unit System Design can be peeled off the function expansion out from the application framework based on the power grid GIS platform, has reduced the complexity based on the application framework of power grid GIS platform on the one hand, and the exploitation of application program is more prone to; On the other hand, because the function expansion is coupled with a kind of loose mode with application framework, both can keep under the constant situation of interface, can be according to situation stand-alone development and the issue of self.
Referring to Fig. 2, the figure shows the realization synoptic diagram of the application scenarios of the foregoing description.This figure comprises four parts: based on the public operation function library of application (application framework), card i/f parts, plug-in unit and power grid GIS platform of power grid GIS platform.Application framework is responsible for the overall operation of application program, and it knows program whole service process, but and does not know how each process specifically realizes, the function realization of each realization process through encapsulating.Card i/f is the tie of contact plug-in unit and application framework, the plug-in unit that has various functions through the card i/f connection, with plug-in unit " welding " among application framework.Plug-in unit is to realize concrete entity function, and plug-in unit is realized the predefined function of plug-in unit through the function that calls in the public operation function library of power grid GIS platform.Power grid GIS platform public function storehouse belongs to the part of power grid GIS platform, and it comprises numerous functions, and application framework and plug-in unit all can call the functions such as graphic exhibition of the function realization electrical network in the function library.
Plug-in unit can directly call the various functions of the public operation function library of power grid GIS platform in the foregoing description; But; Because the function in the public operation function library of GIS platform is numerous, call independently respectively with the efficient that reduces plug-in component operation, therefore; The application embodiment preferably encapsulates the function in the public operation function library of power grid GIS platform through the COM mode, forms the COM wrapper.COM is the abbreviation of Component Object Model, the expression The Component Object Model.The COM mode encapsulates and is meant the encapsulation of having followed the COM standard, can omit the realization details through this encapsulation, and only concerns the allomeric function that these functions that merge are realized.After the function in the public operation function library of power grid GIS platform being encapsulated formation COM wrapper; Plug-in unit need be not a unit with single function just when calling respective function realization corresponding function; And need be that unit calls with the COM wrapper only; Thereby the plug-in component operation of accelerating, and then raising is based on the efficient of the function expansion of the application of power grid GIS platform.
The front has mentioned that plug-in unit is an entity of realizing certain function, and it can be independent of the application stand-alone development based on the power grid GIS platform, therefore; In order to satisfy various practical demand; The kind and the quantity of plug-in unit are various, based on the power grid GIS platform be applied in loading of plug-in the time, usually need not load all plug-in units that write in advance; And only need load the significant plug-in unit of application framework that uses with respect to the user, thereby practice thrift the efficient of function expansion.The application embodiment considers this reality, preferably the function type of plug-in unit is registered, and like this, during based on the application start of power grid GIS platform, just can load the plug-in unit of corresponding function type according to the type based on the application of power grid GIS platform.Here the pin function type is registered, can be realized that a plug-in unit can be registered under the clauses and subclauses of a plurality of application types through registration class entry in registration table; In this case, start any application type, all can load this plug-in unit based on the GIS platform; Such plug-in unit is generally public plug-in unit; The bar that plug-in unit also can only be registered in an application type as required under this situation, only can load this plug-in unit now when the application type that starts based on the GIS platform; Such plug-in unit is generally custom plug-in, such as electrical network application plug-in, pipe network application plug-in, communication network application plug-in etc.In registration process; The function type of plug-in unit can use UUID to describe; UUID is writing a Chinese character in simplified form of general unique identifier (Universally Unique Identifier), and this identification code can guarantee in different application systems, all can discern preferably the function type of plug-in unit, avoids loading error.
More than be that embodiment is corresponding with method to the description of the application's method embodiment, the application embodiment also provides a kind of function expanding device of the application based on the power grid GIS platform.Referring to Fig. 3, the figure shows structured flowchart based on the function expanding device of the application of power grid GIS platform.This device embodiment 300 comprises: embed unit 301, loading unit 302 and trigger element 303, wherein:
Said embedding unit 301 is used for card i/f is embedded the application based on the power grid GIS platform, and said card i/f comprises the general-purpose interface function;
Said loading unit 302 is used for loading of plug-in based on the application start of power grid GIS platform the time, the interface function through card i/f in the said plug-in unit loading procedure with carry out information interaction based on the application of power grid GIS platform;
Said trigger element 303 is used for after receiving the function extended instruction, triggering the respective function realization pin function that said plug-in unit calls the public operation function library of power grid GIS platform.
The course of work of said apparatus embodiment is: embed unit 301 card i/f is embedded the application based on the power grid GIS platform; Loading unit 302 loading of plug-in the time then based on the application start of power grid GIS platform, the interface function through card i/f in this plug-in unit loading procedure with carry out information interaction based on the application of power grid GIS platform; Trigger element 303 triggers the respective function realization pin function that said plug-in unit calls the public operation function library of power grid GIS platform after receiving the function extended instruction.
The card i/f that this device embodiment will comprise the general-purpose interface function is embedded among the application based on the power grid GIS platform; Loading of plug-in when this application start, the respective function of calling the public operation function library of power grid GIS platform through the plug-in unit that loads realizes pin function.Compared with prior art; This device embodiment function that only needs will be to be expanded incorporates plug-in unit; Through the general-purpose interface function in the card i/f plug-in unit and the application based on the GIS platform are bound,, can realize function expansion based on the application of power grid GIS platform then by calling and the relation of being called between plug-in unit and the public operation function library of power grid GIS platform; The feasible thus application based on the power grid GIS platform has dilatancy; The reopening of having avoided carrying out " totally " formula to various application demand is sent out, thereby has reduced enterprise cost, has improved the whole efficiency based on the application and development of power grid GIS platform.
Also comprise encapsulation unit 304 among the said apparatus embodiment, be used for encapsulating the public operation function library of power grid GIS platform to form the COM wrapper through the COM mode.After realizing the COM encapsulation; Trigger element is after receiving the function extended instruction; Can trigger the COM wrapper that plug-in unit calls the public operation function library of power grid GIS platform, and no longer be one by one independently function realize pin function, thereby reduced call number; Help accelerating plug-in component operation, and then improved function expansion efficiency based on the application of power grid GIS platform.
Can also comprise registering unit 305 among the said apparatus embodiment, be used for the function type of registered plug-ins, then: the plug-in unit that based on the application start of power grid GIS platform the time, loads the corresponding function type according to type based on the application of power grid GIS platform.Function type through registered plug-ins; When making application loading of plug-in based on the power grid GIS platform; Can be according to the function type of self; Load corresponding insert and need not call the plug-in unit that all write in advance, thereby " shooting the arrow at the target " improved the function expansion efficiency based on the application of power grid GIS platform.
For the convenience of describing, be divided into various unit with function when describing above the device and describe respectively.Certainly, when implementing the application, can in same or a plurality of softwares and/or hardware, realize the function of each unit.
Description through above embodiment can know, those skilled in the art can be well understood to the application and can realize by the mode that software adds essential general hardware platform.Based on such understanding; The part that the application's technical scheme contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product can be stored in the storage medium, like ROM/RAM, magnetic disc, CD etc., comprises that some instructions are with so that a computer equipment (can be a personal computer; Server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the application or embodiment.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and identical similar part is mutually referring to getting final product between each embodiment, and each embodiment stresses all is the difference with other embodiment.Especially, for system embodiment, because it is basically similar in appearance to method embodiment, so describe fairly simplely, relevant part gets final product referring to the part explanation of method embodiment.System embodiment described above only is schematic; Wherein said unit as the separating component explanation can or can not be physically to separate also; The parts that show as the unit can be or can not be physical locations also; Promptly can be positioned at a place, perhaps also can be distributed on a plurality of NEs.Can realize the purpose of present embodiment scheme according to the needs selection some or all of module wherein of reality.Those of ordinary skills promptly can understand and implement under the situation of not paying creative work.
The application can be used in numerous general or special purpose computingasystem environment or the configuration.For example: personal computer, server computer, handheld device or portable set, plate equipment, multicomputer system, the system based on microprocessor, set top box, programmable consumer-elcetronics devices, network PC, small-size computer, mainframe computer, comprise DCE of above any system or equipment or the like.
The application can describe in the general context of the computer executable instructions of being carried out by computing machine, for example program module.Usually, program module comprises the routine carrying out particular task or realize particular abstract, program, object, assembly, data structure or the like.Also can in DCE, put into practice the application, in these DCEs, by through communication network connected teleprocessing equipment execute the task.In DCE, program module can be arranged in this locality and the remote computer storage medium that comprises memory device.
The above only is the application's a embodiment; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the application's principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the application's protection domain.
Claims (8)
1. the method for developing functions based on the application of power grid GIS platform is characterized in that, this method comprises:
Card i/f is embedded the application based on the power grid GIS platform, and said card i/f comprises the general-purpose interface function;
Loading of plug-in during based on the application start of power grid GIS platform, the general-purpose interface function through card i/f in the said plug-in unit loading procedure with carry out information interaction based on the application of power grid GIS platform;
After receiving the function extended instruction, trigger the function realization pin function that said plug-in unit calls the public operation function library of power grid GIS platform.
2. method according to claim 1 is characterized in that, said card i/f uses header file or idl file to describe.
3. method according to claim 1 and 2; It is characterized in that; Encapsulate the public operation function library of power grid GIS platform through the COM mode, form the COM wrapper, then: said plug-in unit calls the COM wrapper of the public operation function library of power grid GIS platform and realizes pin function.
4. method according to claim 1 and 2; It is characterized in that; Said method also comprises: the function type of registered plug-ins, then: during based on the application start of power grid GIS platform, load the plug-in unit of corresponding function type according to type based on the application of power grid GIS platform.
5. method according to claim 4 is characterized in that, the function type of said plug-in unit uses UUID to describe.
6. the function expanding device based on the application of power grid GIS platform is characterized in that, this device comprises embedding unit, loading unit and trigger element, wherein:
Said embedding unit is used for card i/f is embedded the application based on the power grid GIS platform, and said card i/f comprises the general-purpose interface function;
Said loading unit is used for loading of plug-in based on the application start of power grid GIS platform the time, the interface function through card i/f in the said plug-in unit loading procedure with carry out information interaction based on the application of power grid GIS platform;
Said trigger element is used for after receiving the function extended instruction, triggering the respective function realization pin function that said plug-in unit calls the public operation function library of power grid GIS platform.
7. device according to claim 6; It is characterized in that; Said device also comprises encapsulation unit; Be used for encapsulating the public operation function library of power grid GIS platform to form the COM wrapper, then through the COM mode: trigger element triggers the COM wrapper realization pin function that said plug-in unit calls the public operation function library of power grid GIS platform after receiving the function extended instruction.
8. device according to claim 6; It is characterized in that; Said device also comprises registering unit, is used for the function type of registered plug-ins, then: the plug-in unit that based on the application start of power grid GIS platform the time, loads the corresponding function type according to the type based on the application of power grid GIS platform.
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| CN110069292A (en) * | 2019-03-26 | 2019-07-30 | 国电南瑞科技股份有限公司 | A kind of implementation method that power grid regulation system supports third-party application |
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