CN108494606A - A kind of data service frame building method based on WCF technology - Google Patents
A kind of data service frame building method based on WCF technology Download PDFInfo
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- CN108494606A CN108494606A CN201810351314.4A CN201810351314A CN108494606A CN 108494606 A CN108494606 A CN 108494606A CN 201810351314 A CN201810351314 A CN 201810351314A CN 108494606 A CN108494606 A CN 108494606A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
- H04L41/5041—Network service management, e.g. ensuring proper service fulfilment according to agreements characterised by the time relationship between creation and deployment of a service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
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Abstract
The invention discloses a kind of data service frame building method based on WCF technology, includes the following steps：S1, contract is defined；S2, extraction configuration information；S3, loading data source configuration information；S4, Initial Channel Assignment；S5, initialization binding；S6, initialization destination node；S7, description initialization service；S8, service is opened；S9, client call data service is realized.It is not strong that the present invention solves portability in the prior art, autgmentability, versatility and flexibility, the single and less efficient problem of transport protocol, and make full use of WCF technology, Land and resources datas service framework is built, the cross-platform data access and access such as CS applications, Web applications and mobile terminal application are simultaneously supported.
Description
Technical field
The invention belongs to WCF technology fields, and in particular to a kind of data service frame building method based on WCF technology.
Background technology
Implement from January 1st, 1999《Land management law》Since, China passes through land investigation, Major Figures, " gold geotechnique
The major projects such as journey ", " figure " comprehensive supervision are to rely on, and are tested with " gold geotechnique journey " phase on October 13rd, 2010 by being completed
It receives to indicate, China has grasped the basic conditions such as the position of land resources, boundary location, quantity, ownership and purposes, had accumulated abundant
Land and resources administration data.Always pay attention to application and exploration work of the technological means in innovating land and resources administration, face in China
To land resources normalization management and macro-level policy-making, China establish the multistage such as country, province, city, county data service system and
Management platform has made significant contribution for economy, social development.
Existing data service system and management platform have the following problems：
(1) existing management platform is to need to design and develop corresponding data service system according to system construction itself,
Portability, autgmentability be not strong；
(2) existing data service system is only capable of meeting a kind of demand, cannot meet CS applications, Web applications simultaneously and move
It applies moved end；
(3) existing data service system specific aim is stronger, and versatility, flexibility are not enough to that existing management is supported to need
It asks；
(4) existing data service system Data Transport Protocol is single, less efficient, is not fitted mutually with current informationization construction
It answers.
Invention content
For above-mentioned deficiency in the prior art, the present invention to solve the above-mentioned problems, provides a kind of based on WCF technology
Data service frame building method, it is not strong to solve portability in the prior art, autgmentability, versatility and flexibility, passes
The single and less efficient problem of defeated agreement, and WCF technology is made full use of, Land and resources datas service framework is built, together
When support CS application, Web application and mobile terminal application etc. cross-platform data access and access.
In order to reach foregoing invention purpose, the technical solution adopted by the present invention is：
A kind of data service frame building method based on WCF technology, includes the following steps：
S1：Define contract：Define contract of service, description is exposed to the supported operation of external interface, service, uses
The format of message exchange pattern and message；
S2：Extract configuration information：According to user demand, service profile information and data source configuration information are extracted；
S3：Loading data source configuration information：The data source configuration information extracted according to step S2, initializes and connects number
According to library；
S4：Initial Channel Assignment：WCF channel initializations are realized according to the configuration information extracted in step S2；
S5：Initialization binding：Channel after step S4 initialization is loaded into binding, development language is called to provide
Interface instantiates class, is initialized to binding；
S6：Initialize destination node：It is combined to obtain address according to the service profile information extracted in step S2, and combines step
The contract that the binding and step S1 that S5 is obtained obtain realizes the address of WCF services, the combination of binding and contract three；
S7：Description initialization service：Extension or definition WCF service parameter or requirement at runtime, and description WCF clothes
The event of business initializes；
S8：Open service：The configuration to step S7 and initialization result according to step S1 start WCF services；
S9：Realize client call data service.
This programme has the beneficial effect that：
The present invention provides a kind of portability, autgmentability, versatility and flexibility are strong, support multiple transport protocols and
Efficient data service frame building method, makes full use of WCF technology, builds Land and resources datas service framework, prop up simultaneously
Support the cross-platform data access and access such as CS applications, Web applications and mobile terminal application.
Further, in step S1, it is database service interface, including data source query and positioning to be exposed to external interface
Interface, data acquisition interface and data memory interface include description interface name, required parameter list and return to its definition
Value.
Further, in step S2, service profile information includes IP needed for data service, port numbers, service name, biography
Defeated agreement；Data source configuration information includes ID, type, user name, password and the data source connection information of data source.
Further, in step S4, WCF channel initializations include transport-type, maximum number of connections, buffering area/pond size
With the initialization of time-out setting.
Further, in step S4, the data of channel add transferring content using Encryption Algorithm in transmission process
Close and decryption, and transferring content is compressed and decompressed using compression algorithm.
Further, in step S7, WCF services parameter or requirement at runtime, including the setting of service handling capacity and letter
Road handling capacity setting, the setting of service handling capacity and channel throughput setting include maximum processing message count, maximum number of sessions, realization
The maxitem of the maximum instance number and transmission message of contract of service.
Further, in step S7, the event initialization of WCF services, including opening event initializes, turkey is initial
Change and close event initializes.
Further, in step S7, a contract of service is at least realized in each WCF services.
Further, in step S9, client call data service includes the following steps：
S9-1：Data service access information is obtained, information refers to the configuration parameter issued data service system and provided, including
Server-side IP, port numbers, service name, database ID and access type；
S9-2：WCF clients are created, configuration parameter and step are accessed according to the data service that step S9-1 is got
Contract of service defined in server in S1, caller create WCF clients corresponding with contract；
S9-3：Generate contract agency：Client automatically generates contract agency corresponding with contract；
S9-4：Server-side scheduler program.
Further, in step S9-4, server-side scheduler program includes the following steps：
S9-4-1：Server-side is intercepted and extracts request content and the requirement of client；
S9-4-2：To in step S9-4-1 request content and requirement parsed and corresponding data service called to connect
Mouthful；
S9-4-3：The extraction or storage of data are carried out according to the request content of client and requirement；
S9-4-4：Result is fed back into client.
Description of the drawings
Fig. 1 is a kind of data service frame building method flow chart based on WCF technology；
Fig. 2 is client call data service method flow chart；
Fig. 3 is server-side scheduler program method flow diagram.
Specific implementation mode
The specific implementation mode of the present invention is described below, in order to facilitate understanding by those skilled in the art this hair
It is bright, it should be apparent that the present invention is not limited to the ranges of specific implementation mode, for those skilled in the art,
As long as various change is in the spirit and scope of the present invention that the attached claims limit and determine, these variations are aobvious and easy
See, all are using the innovation and creation of present inventive concept in the row of protection.
In the embodiment of the present invention, a kind of data service frame building method based on WCF technology, as shown in Figure 1, including such as
Lower step：
S1：Define contract：Define contract of service, description is exposed to the supported operation of external interface, service, uses
The format of message exchange pattern and message, it is database service interface, including data source query and positioning to be exposed to external interface
Interface, data acquisition interface and data memory interface include description interface name, required parameter list and return to its definition
Value；
S2：Extract configuration information：According to user demand, service profile information and data source configuration information are extracted；Service is matched
Confidence breath includes IP, port numbers, service name, the transport protocol needed for data service；Data source configuration information includes data source
ID, type, user name, password and data source connection information；
S3：Loading data source configuration information：The data source configuration information extracted according to step S2, initializes and connects number
According to library；
S4：Initial Channel Assignment：Realize that WCF channel initializations, WCF channels are initial according to the configuration information extracted in step S2
Change includes that transport-type, maximum number of connections, buffering area/pond size and the overtime initialization being arranged, the data of channel are being transmitted across
Transferring content is encrypted and decrypted using Encryption Algorithm in journey, and using compression algorithm to transferring content carry out compression and
Decompression；
S5：Initialization binding：Channel after step S4 initialization is loaded into binding, development language is called to provide
Interface instantiates class, is initialized to binding；
S6：Initialize destination node：It is combined to obtain address according to the service profile information extracted in step S2, and combines step
The contract that the binding and step S1 that S5 is obtained obtain realizes the address of WCF services, the combination of binding and contract three；
S7：Description initialization service：Extension or definition WCF service parameter or requirement at runtime, and description WCF clothes
The event of business initializes, and WCF services parameter or requirement at runtime, including the setting of service handling capacity and channel throughput are set
It sets, the setting of service handling capacity and channel throughput setting include maximum processing message count, maximum number of sessions, realize contract of service
The maxitem of maximum instance number and transmission message, the event initialization of WCF services, including open event initialization, failure thing
Part initializes and close event initialization, and a contract of service is at least realized in each WCF services；
S8：Open service：The configuration to step S7 and initialization result according to step S1 start WCF services；
S9：Client call data service is realized, as shown in Fig. 2, including the following steps：
S9-1：Data service access information is obtained, information refers to the configuration parameter issued data service system and provided, including
Server-side IP, port numbers, service name, database ID and access type；
S9-2：WCF clients are created, configuration parameter and step are accessed according to the data service that step S9-1 is got
Contract of service defined in server in S1 calls DotNET program creations WCF clients corresponding with contract, realizes client
Hold with server-side couple and communication.Client includes mainly CS application programs, WEB network programs, mobile terminal APP, access side
Formula includes two kinds of TCP and HTTP, wherein Web JavaScript application programs obtain service end data by HTTP modes, such as
Shown in application case (1), CS application programs obtain service end data by TCP modes, as shown in application case (2)；
S9-3：Generate contract agency：Client automatically generates corresponding with contract contract agency, act on behalf of inherit completely and
Content defined in contract of service is had followed, is a specific example of the contract of service in client, is that client is realized and adjusted
With the bridge of server-side data service system, the method or interface that user or client program calls contract agency provide carry out
Following step；
S9-4：Server-side scheduler program realizes extraction and the storage service of data, as shown in figure 3, including the following steps：
S9-4-1：Server-side is intercepted and extracts request content and the requirement of client；
S9-4-2：To in step S9-4-1 request content and requirement parsed and corresponding data service called to connect
Mouthful；
S9-4-3：The extraction or storage of data are carried out according to the request content of client and requirement；
S9-4-4：Result is fed back into client.
(1) Web JavaScript application programs obtain service end data by HTTP modes：
HTTP modes have been provided in server-side, and WebDataSync methods obtain data, and the uniform format of return is JSON, is asked
Ask information as follows：
Return information is as follows：
" mode=getFeatInfo＆y=3400035%2E012512675＆GeoTable=V%5FJCDL %
5FXZQ%5FH＆lyrName=%E8%A1%8C%E6%94%BF%E5%8C%BA＆x=18413474 %
2E976839487""{\"success\":true,\"msg\":\"\",\"GeoTable\":\"V_JCDL_XZQ_H\",\"
Data\":[{\"title\":Administrative area 5 ", " IsFilterAllAlphafield ":true,\"PkFldName\":\"
FID\",\"PkId\":\"075C20ECAF91F4C12094BD95C10DAB58\",\"Pnts\":\"\",\"
resFiles214563\":\"\",\"data\":[{\"name\":" element code ", " value ":\"
1000600103\"},{\"name\":" control area ", " value ":\"108245374.96\"},{\"name\":\"
Land use ", " value ":\"\"},{\"name\":" ownership organization ", " value ":\"\"},{\"
name\":" land ownership type ", " value ":\"\"},{\"name\":" ownership organization ", "
value\":\"\"},{\"name\":" ownership Xing Zhi ", " value ":\"\"},{\"name\":" administrative area generation
Code ", " value ":\"510108\"},{\"name\":" administrative area title ", " value ":" Chenghua district ", "
name\":" land deeds number ", " value ":\"\"},{\"name\":" be located Unit code ", " value ":\"\"},
{\"name\":" ownership Unit code ", " value ":\"\"}]}]}"
(2) CS application programs obtain service end data by TCP modes：
TCP modes have been provided in server-side, and GetData methods obtain data, and the uniform format of return is DataTable pairs
As server info：
Name=" LocalConnectInfo "；// connection identifier
ServerIP=" LocalHost "；// server ip
ServerPort=8006；// Service-Port
RemotingAppName=" DataServer "；// service name
ProtocalType=TerraAGS.Common.ProtocalTypeEnum.Tcp；// transport protocol
Ask code：
DataServerClient callBacks；The set of // server call back function
IRO.DataServer.IDataServer dataServer；The set of // service interface
System.Data.DataTable data=null；
try{
// obtain WCF contracts agency (i.e. contract of service instantiates)
_ConnectAndRestartWCF(srvID,out callBacks,out dataServer)；
// pass through contract proxy call server-side GetData methods acquisition data
// parameter dbName refers to database-name i.e. data source
// parameter sql refers to the Sql sentences for obtaining data, such as：Select tname from tab are obtained in the database
All table names
It is the error message for obtaining data and occurring to return when mistake that // parameter errMsg, which refers to server-side, and correctly executing the value is
It is empty
Multiple transport protocols are supported the present invention provides a kind of and efficient data service frame building method, are passed through
WCF technology is introduced, versatility, transplantability are provided for the shared development ＆ construction using with information system of Land and resources datas
With autgmentability is strong and efficient, using flexible and various data service system, greatly reduce the difficulty of system Construction,
The utilization rate for improving data gives full play to Land and resources datas value.
Claims (10)
1. a kind of data service frame building method based on WCF technology, which is characterized in that include the following steps：
S1：Define contract：Define contract of service, the message that description is exposed to external interface, services supported operation, uses
The format of switch mode and message；
S2：Extract configuration information：According to user demand, service profile information and data source configuration information are extracted；
S3：Loading data source configuration information：The data source configuration information extracted according to step S2, initializes and connects data
Library；
S4：Initial Channel Assignment：WCF channel initializations are realized according to the configuration information extracted in step S2；
S5：Initialization binding：Channel after step S4 initialization is loaded into binding, connecing for development language offer is provided
Mouthful, class is instantiated, binding is initialized；
S6：Initialize destination node：It is combined to obtain address according to the service profile information extracted in step S2, and is obtained in conjunction with step S5
To the obtained contract of binding and step S1, realize the address of WCF services, the combination of binding and contract three；
S7：Description initialization service：Extension or definition WCF service parameter or requirement at runtime, and describe WCF services
Event initializes；
S8：Open service：The configuration to step S7 and initialization result according to step S1 start WCF services；
S9：Realize client call data service.
2. the data service frame building method according to claim 1 based on WCF technology, which is characterized in that the step
It is described to be exposed to external interface as database service interface in rapid S1, including data source query connects with locating interface, data acquisition
Mouth and data memory interface include description interface name, required parameter list and return value to its definition.
3. the data service frame building method according to claim 1 based on WCF technology, which is characterized in that the step
In rapid S2, the service profile information includes IP, port numbers, service name, the transport protocol needed for data service；The data
Source configuration information includes ID, type, user name, password and the data source connection information of data source.
4. the data service frame building method according to claim 1 based on WCF technology, which is characterized in that the step
In rapid S4, the WCF channel initializations include the initial of transport-type, maximum number of connections, buffering area/pond size and time-out setting
Change.
5. the data service frame building method according to claim 1 based on WCF technology, which is characterized in that the step
In rapid S4, the data of the channel are encrypted and decrypted transferring content using Encryption Algorithm in transmission process, and adopt
Transferring content is compressed and decompressed with compression algorithm.
6. the data service frame building method according to claim 1 based on WCF technology, which is characterized in that the step
In rapid S7, the WCF services parameter or requirement at runtime, including the setting of service handling capacity and channel throughput setting, institute
It states the setting of service handling capacity and channel throughput setting includes maximum processing message count, maximum number of sessions, realizes contract of service
The maxitem of maximum instance number and transmission message.
7. the data service frame building method according to claim 1 based on WCF technology, which is characterized in that the step
In rapid S7, the event initialization of the WCF services, including open event and initialize, at the beginning of turkey initialization and close event
Beginningization.
8. the data service frame building method according to claim 1 based on WCF technology, which is characterized in that the step
In rapid S7, a contract of service is at least realized in each WCF services.
9. the data service frame building method according to claim 1 based on WCF technology, which is characterized in that the step
In rapid S9, the client call data service includes the following steps：
S9-1：Data service access information is obtained, information refers to the configuration parameter issued data service system and provided, including service
Hold IP, port numbers, service name, database ID and access type；
S9-2：WCF clients are created, are accessed in configuration parameter and step S1 according to the data service that step S9-1 is got
Contract of service defined in server, caller create WCF clients corresponding with contract；
S9-3：Generate contract agency：Client automatically generates contract agency corresponding with contract；
S9-4：Server-side scheduler program.
10. the data service frame building method according to claim 1 based on WCF technology, which is characterized in that the step
In rapid S9-4, the server-side scheduler program includes the following steps：
S9-4-1：Server-side is intercepted and extracts request content and the requirement of client；
S9-4-2：To in step S9-4-1 request content and requirement parsed and call corresponding database service interface；
S9-4-3：The extraction or storage of data are carried out according to the request content of client and requirement；
S9-4-4：Result is fed back into client.
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| CN115914232A (en) * | 2022-12-14 | 2023-04-04 | 四川师范大学 | Real estate data hybrid storage service establishing method |
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| CN108494606B (en) | 2020-12-15 |
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