CN103678701A - Disaster prevention and reduction information processing system and method based on WebService - Google Patents
Disaster prevention and reduction information processing system and method based on WebService Download PDFInfo
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Abstract
The invention relates to a disaster prevention and reduction information processing system and method based on the WebService. The system comprises a WebService packaging module, a data acquisition interface module, a data storage module, a mathematical model module and an application module. The method includes the steps that firstly, hydrologic data are acquired by the data acquisition interface module from one or more data platforms; secondly, whether the data are structured data or not is judged, and non-structured data are converted into structured data; thirdly, the data are stored in different partitions by the data storage module according to use possibility and use frequentness so as to be called by the mathematical model module; fourthly, the mathematical model module is started for calculation when a disaster prevention and reduction service application in the application module receives an information processing request; fifthly, a calculation result is fed back to the disaster prevention and reduction service application in a WebService form to be displayed in a graphical mode. The system and method are strong in compatibility, wide in application range and high in system operation efficiency.
Description
Technical field
The present invention relates to the technical field of preventing and reducing natural disasters, particularly a kind of prevent and reduce natural disasters information handling system and method based on WebService.
Background technology
The variation of terrestrial ecosystem is constantly accelerated in the mankind's activity, in recent years, the deterioration of environment and the change of weather have brought safely increasing dangerous harm to the people's lives and property, the progress of science and technology is attempted by the assurance of the much informations such as environment, meteorology, simulation, calculating, adopt information-based means to make prediction accurately to the hydrology, geology, meteorological disaster, and giving the rational precautionary measures, the danger that disaster is brought harm drops to minimum.
Because the states such as the hydrology, geology, meteorology are not isolated existence, it can influence each other, interpenetrate, constantly left and right developing direction each other, therefore when preventing and reducing natural disasters informationization technology, research should only to the data in certain field, not study separately, need the data of synthesise various to carry out systematic analysis, and it is influenced each other and is predicted accordingly.Due to different industries field, according to its demand, also different to the preserving type of related data, meanwhile, data also be take unstructured data as main, and different data cannot directly be applied because of the difference of data layout when COMPREHENSIVE CALCULATING.On the other hand, to calculate various data, and predict reciprocal influence and future trend, often needing to build corresponding mathematical model calculates, and mathematical model mainly adopts mathematical software (as Matlab, Mathematica, SAS etc.) or basic unit's language (as C#, Fortran etc.) to carry out modeling at present, and for various unstructured datas, it cannot carry out correlation computations by mathematical model, and the resulting result of calculated with mathematical model a series of numerals often, its bandwagon effect is not good.Therefore, in the Process of Information of preventing and reducing natural disasters, because various contradiction and the deficiencies in the prior art between data, model, application make corresponding information processing out of condition.
Patent CN201210112468.0 discloses a kind of technical solution scheme, by commanding in the rear personnel, data acquisition task is formed to task bag according to certain requirement, and task bag is stored in database, and address is sent to work on the spot group, field personnel is by downloading task bag, and wraps and add corresponding Information Monitoring and postback in task.This technology gathers field data based on task, efficiently solve the phenomenon of conflict generation each other in different data acquisition, but still exist certain not enough: on the one hand, the existence of task bag is restricted the acquisition of partial data, it must carry out Data Integration according to given frame description, make partial data may have disappearance, on the other hand, it does not consider the storage optimization of data, make may still have data redundancy in late time data processing procedure, the problems such as double counting, the same existence of result of its calculating is unfriendly alternately, the problems such as display effect is not good.
WebService is the development technique based on internet, only have comprise, modularization, the feature such as distributed, Network Based, in distributed heterogeneous environment, there is clear superiority.WebService technology is to take middleware Technology as basis, makes to operate in different application on different machines without the third party software by additional or hardware, and the data that just can realize different platform part mutually exchange and be integrated.Middleware is a kind of independently system software or service routine, and it can be so that the message exchange that Distributed Application software can be well in different platforms and operating system environment.WebService technology will provide a kind of opening, flexible, adaptable settling mode for information process-.
Summary of the invention
The object of the present invention is to provide a kind of prevent and reduce natural disasters information handling system and method based on WebService, this system and method is compatible strong, and applied widely, running efficiency of system is high.
For achieving the above object, technical scheme of the present invention is: a kind of information handling system of preventing and reducing natural disasters based on WebService, and this system comprises:
WebService package module, carries out WebService encapsulation by middleware Technology to Data access module, mathematical model module, interface adaptation module;
Data acquisition interface module, be connected with single or multiple data platforms, described data acquisition interface module comprises Data access module, structured data determination module and structured data conversion module, described Data access module is through described WebService package module encapsulation, to gather hydrology hydrologic regime data from data platform described in each, and be transferred to described structured data determination module, whether the hydrology hydrologic regime data that described structured data determination module judgement collects is structured data, and described structured data conversion module converts non-structured data to structured data;
Data memory module, carries out partitioned storage to the structured data after the hydrology hydrologic regime data collecting and conversion;
Mathematical model module, comprise single or multiple mathematical models, described mathematical model is called described structured data and is calculated, and obtains result of calculation, described mathematical model module is through described WebService package module encapsulation, so that result of calculation is carried out to WebService issue;
Application module, comprise the single or multiple service application of preventing and reducing natural disasters, the described service application of preventing and reducing natural disasters receives the information processing request that user sends, starting described mathematical model module calculates, then the result of calculation that receives described mathematical model module issue shows user after graphical treatment.
Further, this system also comprises spatial cache module, for opening up spatial cache at internal memory, to keep in the recent calculation result data of mathematical model and conventional data query.
Further, described data memory module comprises offline storage module, nearline storage module and on-line storage module, described offline storage module is used for storing raw data, and described nearline storage module and on-line storage module are for storing the data after extraction and conversion.
Further, this system also comprises interface adaptation module, for the data-interface with existing software is provided, described interface adaptation module is connected with WebService package module, to carry out WebService issue through described WebService package module, open and call to the various service application of preventing and reducing natural disasters.
The present invention also provides a kind of information processing method of preventing and reducing natural disasters based on WebService, and the method comprises the following steps:
(1) Data access module in data acquisition interface module, after the encapsulation of WebService package module, gathers hydrology hydrologic regime data from single or multiple data platforms respectively;
(2) whether the hydrology hydrologic regime data that the judgement of structured data determination module collects is structured data, is to turn next step, otherwise call structured data modular converter, converts non-structured data to structured data, then turns next step;
(3) data memory module carries out partitioned storage by the structured data after the hydrology hydrologic regime data collecting and conversion according to the use possibility of different pieces of information and usage frequency, for the mathematical model in mathematical model module, calls;
(4) when the service application of preventing and reducing natural disasters in application module receives the information processing request that user sends, start mathematical model module, described mathematical model module is called corresponding mathematical model, described mathematical model is called corresponding structured data and is calculated, obtain result of calculation, described mathematical model module is through described WebService package module encapsulation, so that result of calculation is carried out to WebService issue;
(5) WebService package module returns to by the result of calculation of issue the service application of preventing and reducing natural disasters, and shows user after graphical treatment.
Further, in step (3), for raw data, adopt offline storage, nearline storage or on-line storage for data acquisition for extraction and after converting.
Further, in step (4), obtaining after the result of calculation of data model, judge whether to keep in result of calculation, is in internal memory, to open up spatial cache, and temporary result of calculation, then turns next step, otherwise directly turn next step.
The invention has the beneficial effects as follows: based on WebService, encapsulate, to the mathematical model of using different basic units assembly language to build, can open various different business application, simultaneously by the establishment of WebService interface, make various existing software resources can be integrated in disaster prevention disaster reduction system, improve the compatibility of system, avoided because of model and data the contradiction between data and data.The original acquisition of various data can also be collected according to each field custom and way separately, and data are unified by middleware Technology after collecting, and make initial stage data collection work more convenient.In addition, because the calculated amount of the information such as the hydrology, geology, meteorology is larger, simultaneously, this information timing is stronger, larger to the demand data within the scope of certain hour, and to some data to call possibility very low, storage for data adopts the optimization of subregion sequentialization, reduce the consumption to hardware resource, improved operation efficiency, increased the reliability of system.
Accompanying drawing explanation
Fig. 1 is the structural representation of system of the present invention.
Fig. 2 is the workflow diagram of the inventive method.
Fig. 3 is the workflow diagram of cache management in the inventive method.
Embodiment
The present invention is based on the information handling system of preventing and reducing natural disasters of WebService, as shown in Figure 1, comprise WebService package module, data acquisition interface module, data memory module, mathematical model module, application module, spatial cache module and interface adaptation module.
WebService package module, carries out WebService encapsulation by middleware Technology to Data access module, mathematical model module, interface adaptation module.
Data acquisition interface module, be connected with single or multiple data platforms, described data acquisition interface module comprises Data access module, structured data determination module and structured data conversion module, described Data access module is through described WebService package module encapsulation, to gather hydrology hydrologic regime data from data platform described in each, and be transferred to described structured data determination module, whether the hydrology hydrologic regime data that described structured data determination module judgement collects is structured data, and described structured data conversion module converts non-structured data to structured data.
Data memory module, carries out partitioned storage to the structured data after the hydrology hydrologic regime data collecting and conversion.Described data memory module comprises offline storage module, nearline storage module and on-line storage module, and described offline storage module is used for storing raw data, and described nearline storage module and on-line storage module are for storing the data after extraction and conversion.
Mathematical model module, comprise single or multiple mathematical models, described mathematical model is called described structured data and is calculated, and obtains result of calculation, described mathematical model module is through described WebService package module encapsulation, so that result of calculation is carried out to WebService issue.
Application module, comprise the single or multiple service application of preventing and reducing natural disasters, the described service application of preventing and reducing natural disasters receives the information processing request that user sends, starting described mathematical model module calculates, then the result of calculation that receives described mathematical model module issue shows user after graphical treatment.
Spatial cache module is opened up spatial cache in internal memory, to keep in the recent calculation result data of mathematical model and conventional data query.
Interface adaptation module, data-interface with existing software is provided, described interface adaptation module is connected with WebService package module, to carry out WebService issue through described WebService package module, opens and calls to the various service application of preventing and reducing natural disasters.
The information processing method of preventing and reducing natural disasters that the present invention is based on WebService, as shown in Figure 2, comprises the following steps:
(1) Data access module in data acquisition interface module, after the encapsulation of WebService package module, gathers hydrology hydrologic regime data from single or multiple data platforms respectively.
(2) whether the hydrology hydrologic regime data that the judgement of structured data determination module collects is structured data, is to turn next step, otherwise call structured data modular converter, converts non-structured data to structured data, then turns next step.
(3) data memory module carries out partitioned storage by the structured data after the hydrology hydrologic regime data collecting and conversion according to the use possibility of different pieces of information and usage frequency, for the mathematical model in mathematical model module, calls.For raw data, adopt offline storage, nearline storage or on-line storage for data acquisition for extraction and after converting.
(4) when the service application of preventing and reducing natural disasters in application module receives the information processing request that user sends, start mathematical model module, described mathematical model module is called corresponding mathematical model, described mathematical model is called corresponding structured data and is calculated, obtain result of calculation, described mathematical model module is through described WebService package module encapsulation, so that result of calculation is carried out to WebService issue.Obtaining after the result of calculation of data model, judge whether to keep in result of calculation, is in internal memory, to open up spatial cache, and temporary result of calculation, then turns next step, otherwise directly turn next step.
(5) WebService package module returns to by the result of calculation of issue the service application of preventing and reducing natural disasters, and shows user after graphical treatment.
Below in conjunction with drawings and the specific embodiments, the invention will be further described.
The present invention is based on the information processing method of preventing and reducing natural disasters of WebService, as shown in Figure 2, specific implementation step is:
(1) data acquisition and integration.Build the data collection points such as regimen, rain condition, flow, water level, obtain Real-time Water literary composition hydrologic regime data, integrate the related data of a plurality of departments such as flood control, the hydrology, soil, meteorology, the information of the multiple different platform type collecting for modes such as above monitoring, integration, based on J2EE/NET framework, adopt java as exploitation coding, by middleware Technology, the application of the every visit data in system is carried out to the package based on WebService, make it can be to the access that is well on of the disparate databases of a plurality of platforms; By various information is especially extracted, processes, converted with variable non-structured data wherein, part graph text information is changed into data class information, and store; Take typhoon sky as example, a series of situations such as the tidal level that need to cause typhoon, flood situation are predicted and monitoring, the rain condition that now just need to bring typhoon, the flow in corresponding river, water level, regimen, the corresponding informations such as the water level of ocean gather, obtain real-time information, also need to cooperate with meteorological department simultaneously, obtain typhoon real time position pictorial information etc.What sometimes obtain is only some satellite cloud pictures, so we need to, to the position of typhoon in picture and corresponding cloud layer distributed intelligence, be converted into corresponding latitude and longitude information and color lump distributed intelligence by middleware application, and store.
(2) partitioned storage of data.Related data and treated data that step 1 is obtained, according to the use possibility of different pieces of information and usage frequency, carry out partitioned storage, for raw data, adopt offline storage, nearline storage or on-line storage for data acquisition for extraction and after converting.The storage of data is carried out to timing optimization simultaneously, what more pay close attention to due to information such as some regimens, meteorologies is the situation in current, nearest a period of time and following a period of time, therefore often for some, surpass regimen, the weather information of certain timeliness, to adopt nearline storage, for some current, recent relevant informations, adopt on-line storage.In above-mentioned case, satellite cloud picture original image may be carried out to offline storage, as a Backup Data, and do nearline storage for current 3 days above weather informations of distance, for the typhoon positions of nearest 3 days and cloud layer information realization on-line storage.
(3) mathematical model calls.After the mathematical model for prediction that adopts J2EE/NET that each is built by C# or Fortran encapsulates with WebService, various different business application are opened.For the geographic information application software resource of comparative maturity, we will design corresponding open interface adapter, and existing software resource is packaged into WebService interface, for various application call.Each service application is submitted to after WebService request, by J2EE/NET, request processed, and by the structured data of storing in calling data storehouse, and corresponding data model, by model internal algorithm, calculate.In present case by calling typhoon track computational mathematics model, the distribution of comprehensive day vapor air, temperature, air pressure etc., the trend detecting a typhoon.By WebService interface, call GIS platform software simultaneously.
(4) cache management.As shown in Figure 3, in internal memory, open up spatial cache, temporary can caching process member recent calculation result data and the data query that some are conventional, such as the information such as growth of tide water level.For conventional data query timing advance every day prestrain, enter internal memory, to guarantee that data have enough spaces to store, recent calculation result data that can caching process member for other, first check and whether exist enough spaces to hold related data, possesses temporary related data of sufficient space, when service application sends computing request, there is the computation requests of identical input parameter in screening, automatically the calculation result data of last time is returned to application, or directly call conventional data query, and needn't carry out the calculating of repetition, improved the travelling speed of application, regularly empty spatial cache every day, useful data are compressed and are packaged into database, avoided data can too loaded down with trivial details depositing in not recall, reduced the generation of related fragment.
(5) result feedback.The result of calculation that mathematical model is returned is packaged into WebService form by J2EE/NET and returns, send to the service application of preventing and reducing natural disasters, the result of various application based on feedback processed, and forms the results such as image animation of being association of activity and inertia, and shows by system.In this example, by the representing on GIS platform to typhoon track information, in a kind of dynamic mode, show.
Be more than preferred embodiment of the present invention, all changes of doing according to technical solution of the present invention, when the function producing does not exceed the scope of technical solution of the present invention, all belong to protection scope of the present invention.
Claims (7)
1. the information handling system of preventing and reducing natural disasters based on WebService, is characterized in that, this system comprises:
WebService package module, carries out WebService encapsulation by middleware Technology to Data access module, mathematical model module, interface adaptation module;
Data acquisition interface module, be connected with single or multiple data platforms, described data acquisition interface module comprises Data access module, structured data determination module and structured data conversion module, described Data access module is through described WebService package module encapsulation, to gather hydrology hydrologic regime data from data platform described in each, and be transferred to described structured data determination module, whether the hydrology hydrologic regime data that described structured data determination module judgement collects is structured data, and described structured data conversion module converts non-structured data to structured data;
Data memory module, carries out partitioned storage to the structured data after the hydrology hydrologic regime data collecting and conversion;
Mathematical model module, comprise single or multiple mathematical models, described mathematical model is called described structured data and is calculated, and obtains result of calculation, described mathematical model module is through described WebService package module encapsulation, so that result of calculation is carried out to WebService issue;
Application module, comprise the single or multiple service application of preventing and reducing natural disasters, the described service application of preventing and reducing natural disasters receives the information processing request that user sends, starting described mathematical model module calculates, then the result of calculation that receives described mathematical model module issue shows user after graphical treatment.
2. the information handling system of preventing and reducing natural disasters based on WebService according to claim 1, it is characterized in that, this system also comprises spatial cache module, for opening up spatial cache at internal memory, to keep in the recent calculation result data of mathematical model and conventional data query.
3. the information handling system of preventing and reducing natural disasters based on WebService according to claim 1, it is characterized in that, described data memory module comprises offline storage module, nearline storage module and on-line storage module, described offline storage module is used for storing raw data, and described nearline storage module and on-line storage module are for storing the data after extraction and conversion.
4. the information handling system of preventing and reducing natural disasters based on WebService according to claim 1, it is characterized in that, this system also comprises interface adaptation module, for the data-interface with existing software is provided, described interface adaptation module is connected with WebService package module, to carry out WebService issue through described WebService package module, open and call to the various service application of preventing and reducing natural disasters.
5. the information processing method of preventing and reducing natural disasters based on WebService, is characterized in that, the method comprises the following steps:
(1) Data access module in data acquisition interface module, after the encapsulation of WebService package module, gathers hydrology hydrologic regime data from single or multiple data platforms respectively;
(2) whether the hydrology hydrologic regime data that the judgement of structured data determination module collects is structured data, is to turn next step, otherwise call structured data modular converter, converts non-structured data to structured data, then turns next step;
(3) data memory module carries out partitioned storage by the structured data after the hydrology hydrologic regime data collecting and conversion according to the use possibility of different pieces of information and usage frequency, for the mathematical model in mathematical model module, calls;
(4) when the service application of preventing and reducing natural disasters in application module receives the information processing request that user sends, start mathematical model module, described mathematical model module is called corresponding mathematical model, described mathematical model is called corresponding structured data and is calculated, obtain result of calculation, described mathematical model module is through described WebService package module encapsulation, so that result of calculation is carried out to WebService issue;
(5) WebService package module returns to by the result of calculation of issue the service application of preventing and reducing natural disasters, and shows user after graphical treatment.
6. the information processing method of preventing and reducing natural disasters based on WebService according to claim 5, is characterized in that, in step (3), for raw data, adopts offline storage, nearline storage or on-line storage for data acquisition for extraction and after converting.
7. the information processing method of preventing and reducing natural disasters based on WebService according to claim 5, it is characterized in that, in step (4), obtain after the result of calculation of data model, judging whether to keep in result of calculation, is in internal memory, to open up spatial cache, temporary result of calculation, then turn next step, otherwise directly turn next step.
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