CN102523200B - Internet of things information processing method - Google Patents
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Abstract
The invention discloses an internet of things information processing method, which comprises describing processed internet of things information with a describing structure comprising statements, sentences and expression; and using electronics control assembly (ECA) rules to obtain description of relational models of the information and description including conditional description and description with movement decisions on a processing procedure of the information according to description of the information. The statement is used for defining port arrangement, information description and a plurality of local variables which are needed in an information processing procedure, the port arrangement indicates various message sources in different types, the information description provides universal description formats for information in each type, the local variables are variables needed for meeting information changes in the information processing procedure, the sentences are used for describing transmission and transition of the information between various different message sources, and the expression is description of limitation conditions, namely judging whether certain attributes of the information meet condition definitions or not.
Description
Technical field
The invention belongs to technology of Internet of things field, particularly a kind of Internet of things information processing method.
Background technology
Internet of Things IOT (The Internet of Things) is referred to and by cognition technology, article to be connected with the Internet, and carry out information exchange and communicate, to realize a kind of network of Weigh sensor to article, location, tracking, monitor and managment.Internet of Things is counted as the again information industry tide after computer, the Internet and mobile communications network, has caused the great attention of domestic academic, industrial quarters and news media.
Internet of Things is the integrated of embedded system, networking and control system etc.At present, Internet of things system is applied in fields such as warehouse logistics, intelligent electric meter, environment measuring, medical treatment and nursing.Its basic application system has equipment management system, identity authenticity verification system, Internet of things system management etc., provides dissimilar service: internet services, information service, operate services, security service and management service etc.The diversity of Internet of Things application system and service, require to carry out integrated to the application of data in Internet of Things, the service that Internet of Things is provided can interoperability.And the calculating of most of Internet of Things networked devices and storage resources ability comparatively limited, therefore, the develop and field of Internet of things system is a crucial technology.
Along with the decline of the costs such as processor, memory, the network bandwidth, manyly possess perception, the embedded system of networking and control ability is widely used in all kinds of physical equipment, such as aircraft, automobile, household electrical appliances, commercial plant, medicine equipment, supervising device and affaires etc.Wireless radio-frequency (Radio FrequencyIdentification, RFID) is also generally used in Internet of things system.Possess the computing system of networking and control ability, adopt the networking technology of the Internet to be interconnected, the control ability of distinctive Time and place in Internet of things system is provided.Networking object due to Internet of Things relates to embedded system, RFID sensor and internet C PS point etc., and kind is comparatively various, may adopt different system platforms, have different communication protocol between different networking object.Therefore, how transmitting and process are carried out to the data from different object, solve the information exchange between Internet of Things heterogeneous platform, and then complete the fast Development of Internet of things system and deployment task becomes problem anxious to be resolved.
Summary of the invention
The object of this invention is to provide the message treatment method of a kind of internet of things oriented application, to solve in prior art, the processing of different messages source message and transmitting between Internet of Things heterogeneous platform, and the integration problem between Internet of Things different application.
Technical scheme of the present invention is a kind of Internet of things information processing method, comprising:
Be described processed Internet of Things message, the structure of this description comprises statement, statement and expression formula;
According to the description to described message, utilize eca rule, obtain the description of the relational model of described message and comprise description with good conditionsi and have the description of the processing procedure to described message of the description of action decision-making, wherein
ECA (Event-Condition-Action, event-condition-action) rule is made up of event, condition and action three part, adopts the mechanism that event triggers, and when the event defined occurs, if condition is met, then performs predefined behavior.
Described statement, for defining interface setting required in message processing procedure, message semantic definition and some local variables, interface arranges and indicates various dissimilar message source, the message that message semantic definition is every type provides general descriptor format, local variable in message processing procedure for meeting the variable needed for message
Described statement, for the transmission of describing message between various different pieces of information source and conversion, when an event occurs, utilizes eca rule, can trigger corresponding rule, and statement is used for the flow process of describing message process,
Described expression formula is the description to restrictive condition, namely judges whether some attributes of message satisfy condition definition, if meet the condition of specifying, if meet the condition of specifying, then the operation behavior described in triggering rule.
Also comprise use one and describe interpreter, to automatic explanation and the execution of described Internet of Things message semantic definition, the message in different pieces of information source in Internet of things system is processed and processed.
Described description interpreter to described Internet of Things message semantic definition treatment step comprise: initialization and explain perform, wherein
Initialization, is performed by initialize mode, is to carry out morphology, syntax and semantics analysis to message semantic definition,
Explain and perform, being performed by explanation Executive Module, is according to initialized analysis result, and execute-assignment-statement, expression formula calculate and action statement.
Described explanation Executive Module is divided into execution unit module, adaptor interface module and target data source module,
Described execution unit module is as agency, message call factory generates data, target data source is matched by adaptor interface module, the correlation method that invocation target data source modules provides performs the operation of specifying, execution unit module mainly comprises JDBC (Java DataBase Connectivity, Java DataBase combining) execution unit, message queue (MQ, Message Queue) execution unit, Web service Webservice execution unit and TCP/IP execution unit
Described adaptor interface module is positioned on data adaptation layer, by uniform data interface, there is provided execution unit module operation statement to the adaptation of target data source module executing method, adaptor interface module comprises database adapter, message queue adapter, Web service Webservice adapter and tcp/ip communication module adapter
Described target data source module is positioned at data execution level, performs the operation that each execution unit is specified, and target data source mainly comprises database, message queue, Web service Webservice and tcp/ip communication data source.
Described description interpreter for Internet of Things message semantic definition treatment step comprise:
A1, client message acts on behalf of the message of sending from internet-of-things terminal equipment, starts and describes interpreter, receive;
A2, after describing interpreter reception, calls initialization module, and call the function of initializing of expression formula module, preliminary treatment is carried out to the statement part of language and expression formula, namely carries out morphological analysis, syntactic analysis, semantic test, and build the symbolic information such as key argument;
A3, describes interpreter call statement and builds submodule, adopts recursive descendent method to build statement tree;
A4, initialization is complete, starts the explanation Executive Module describing interpreter, first calls expression formula module, carry out expression formula judgement; According to result of determination, message is filtered, and trigger corresponding action statement;
A5, action statement can start the execution unit describing interpreter, and execution unit, according to the parameter type of action statement, by uniform data adaptor interface, is fitted to corresponding target data source Executive Module.
A6, by data adapter unit, performs corresponding operation by Parameter transfer to target data source, realizes the filtration of message, distribution and storage.
Described description interpreter for Internet of Things message semantic definition treatment step comprise:
B1, execution unit, according to the parameter type of action statement and parameter value, calls bottom message factory, carries out preliminary treatment and the generation of the message data specified by parameter;
B2, the message interface configuration information of execution unit specified by action statement parameter value, by uniform data adaptable interface module, is fitted to corresponding target data source object;
B3, the link field that execution unit is arranged according to message interface and username and password, linking objective data source Executive Module;
B4, the action type that execution unit describes according to action statement, the correlation method in invocation target data source Executive Module, realizes the exchange of Message recover signature stream and data flow, integrated.
Message factory is for reading message semantic definition file and message data information, depositing in inside plants structure, and provides five kinds of conversion methods of message form.It uses is the activity triggered according to eca rule, selects the Transformation Service that message factory provides, and generally, is the intermediate link of processing messages application.For messages application calls the modality conversion service that adapter provides early stage.
The message treatment method of internet of things oriented application of the present invention is based on object and the message categories of networking in Internet of things system, and Internet of Things service application type is more, and exchanges data and transmission are frequently.For the relation between accurate description Internet of Things message and message, facilitate the develop and field of Internet of things system, provide a kind of Internet of Things Message Processing describing method and formalized description.
Accompanying drawing explanation
Fig. 1 is the syntactic structure figure of T language in the embodiment of the present invention
Fig. 2 is the Organization Chart of T language processor in the embodiment of the present invention
Fig. 3 is the data adaptation figure of T language processor Executive Module in the embodiment of the present invention
Embodiment
For realizing technical scheme of the present invention, when concrete enforcement is of the present invention, basic ideas are, by defining the Message Processing descriptive language-T language of the embodiment technical solution of the present invention of a kind of internet of things oriented application, utilize eca rule, describe the relational model between Internet of Things message; Based on T language, propose the T language interpreter of a kind of internet of things oriented application or be T language processor, by to the automatic explanation of descriptive language and execution, realize the transmission in Internet of things system between the message of different messages source and process, and the integration problem between Internet of Things different application.
The present invention is by providing a kind of loose coupling strategy, logic configuration is carried out according to required business, make bottom data and upper layer application in Internet of things system can have certain applicability in discrepant types of applications scene, greatly facilitate the develop and field of Internet of things system.
In order to make the object, technical solutions and advantages of the present invention clearly understand, by the following examples also with reference to accompanying drawing, the present invention is described in more detail.
Fig. 1 is the syntactic structure figure of Message Processing descriptive language of the present invention, specifically comprises: statement part, statement part and expression formula part.
Statement part, for defining interface setting required in message processing procedure, message semantic definition and some local variables.Interface is arranged, and (i.e. INTERFACE statement) indicates various dissimilar message source, comprises the link address of message source, username and password etc.; The message that message semantic definition is every type provides general descriptor format, comprises the composition field of message header and message body, and the description etc. of each field; Local variable in message processing procedure to meet the variable needed for message.
Statement part, for the transmission of describing message between various different pieces of information source and conversion, is the core of this Message Processing descriptive language.Utilize eca rule, when certain event occurs, a rule can be triggered, and the operation of specifying in executing rule.The Row control structure of statement part adopts the Row control similar with programming language, comprises IF structure, IF-ELSE structure, WHILE structure.Statement has two classes: class of operation statement and assignment statement, and the operation that class of operation statement provides has the operation of database manipulation, message queue, Webservice operation, sequential operation etc.; The computing function that assignment statement uses expression formula part to provide, carries out assignment to variable.
By calculating, expression formula part, for describing restrictive condition, and judges whether some attributes of message satisfy condition definition.If meet the condition of specifying, then the operation behavior described in triggering rule.Expression formula part comprises: conventional expression formula (as arithmetic expression, relational expression, bit manipulation expression formula, logical expression etc.), common mathematical function are (as trigonometric function sin (), cos (); Quadratic function, oval calculating etc.).
Fig. 2 is the Organization Chart of T language processor of the present invention, and in the present embodiment, T language processor to the main process of Language Processing is: T language processor receipt message, and filter according to T language file, distribute, storing message.Concrete steps are as follows:
Step 201: client message acts on behalf of the message of sending from internet-of-things terminal equipment, starts T language processor, receives;
Step 202:T language processor calls initialization module, and calls the function of initializing of expression formula module after receiving, first preliminary treatment is carried out to the statement part of language and expression formula, namely carry out morphological analysis, syntactic analysis, semantic test, and build the symbolic information such as key argument;
Step 203:T language processor call statement builds submodule, adopts recursive descendent method to build statement tree;
Step 204: initialization is complete, starts the explanation Executive Module of T language processor, first calls expression formula module, carry out expression formula judgement; According to result of determination, message is filtered, and trigger corresponding action statement;
Step 205: action statement can start the execution unit of T language, execution unit, according to the parameter type of action statement, by uniform data adaptor interface, is fitted to corresponding target data source Executive Module.
Step 206: by data adapter unit, performs corresponding operation by Parameter transfer to target data source, realizes the filtration of message, distribution and storage.
Fig. 3 is the data adaptation figure of T language processor Executive Module of the present invention, after the execution unit startup of T language processor, first message call factory carries out data prediction, then passes through data adapter unit, be connected to target data source Executive Module, concrete steps are as follows:
Step 401: execution unit, according to the parameter type of action statement and parameter value, calls bottom message factory, carries out preliminary treatment and the generation of the message data specified by parameter;
Step 402: the message interface configuration information of execution unit specified by action statement parameter value, by uniform data adaptable interface module, is fitted to corresponding target data source object;
Step 403: the link field that execution unit is arranged according to message interface and username and password, linking objective data source Executive Module;
Step 404: the action type that execution unit describes according to action statement, the correlation method in invocation target data source Executive Module, realizes the exchange of Message recover signature stream and data flow, integrated.
The syntax gauge of the T language in the embodiment of the present invention has following expression.
INTERFACE declarative specifications
Interface identifier: interface type [interface attributes 1, interface attributes 2 ... .];
Can have for the interface type of definition: MQUEUE type, TABLE type, WEBSERVICE type.
As follows:
INTERFACE/
*interface states part
*/
Q1：MQUEUE[<mqueue_name>，<source>，<username>，<password>]；
T1：TABLE[<table_name>，<source>，<username>，<password>]；
WS1：WEBSERVICE[<url_string>，<username>，<password>]；
MESSAGE declarative specifications
Message identifier: message file title;
As follows:
MESSAGE/
*message states part
*/
MSG0:<msg_file_name>; /
*message m sg0, and the message format description document of correspondence
*/
MSG1：<msg_file_name>；
MSG2：<msg_file_name>；
VAR declarative specifications
Variable has two kinds: simple types variable and compound type variable.Statement for simple types variable is as follows:
Variable name: types of variables [=initial guess];
Can have for the types of variables of definition: the type that the general programming language such as BOOL, INTEGER, FLOAT, DOUBLE, STRING, DATE has.
As follows:
Empty:BOOL=true; /
*bOOL categorical variable empty, initial value is true
*/
key：INTEGER；
For the variable of compound type, declarative specifications is as follows:
Variable name: message identifier;
MESSAGE and MAP type can be had for the compound type of definition.
As follows:
Map1:MAP of MSG1; /
*the mapping of MSG1 message
*/
M0:MSG0; /
*the corresponding message MSG0 of variable m0
*/
m1：MSG1；
Statement part defines
The Row control structure of statement part has IF statement, IF_ELSE statement and WHILE statement;
Action statement has: load, reload, store, update, get, put, sleep, yield etc., and assignment statement.
The definition mode being respectively above operation as follows:
Load composite variable from TABLE categorical variable;
Reload composite variable from composite variable;
Store composite variable to TABLE categorical variable;
Update composite variable to TABLE categorical variable;
Get composite variable from MQUEUE categorical variable;
Put composite variable to MQUEUE categorical variable;
Sleep time variable;
yield()；
Assignment statement is defined as follows:
Variable name=evaluation of expression;
Can have for the expression formula of definition: formula, relational calculus expression formula, bit manipulation expression formula, logical operation expression formula etc. are expressed in the arithmetical operation in general programming language), and common mathematical function is (as trigonometric function sin (), cos (); Quadratic function, oval calculating etc.).
According to the T language in the embodiment of the present invention, can provide and express example with next actual code.
Based on the Description standard of T language, what following embodiment described is that message loads from database, and carries out the judgement of message attributes, if meet specified requirements, then triggers new events and generates, and by this message processing procedure of new events data write into Databasce.
State three database tables and corresponding link information thereof, wherein: table_name attribute is database table name, source attribute is connection data source, and username attribute is user name, and password attribute is password.
INTERFACE/
*iNTERFACE states
*/
T1:TABLE [<table_name>, <source>, <username>, <password>]; /
*database table T1 and connection thereof
Information is arranged
*/
T2：TABLE[<table_name>，<source>，<username>，<password>]；
T3：TABLE[<table_name>，<source>，<username>，<password>]；
State three message semantic definition files
MESSAGE/
*message states part
*/
MSG0:gpsSourceData.xml; /
*message m sg0, and the message format description document of correspondence
*/
MSG1：conditionData.xml；
MSG2：alarmData.xml；
Var, wherein map1 is MAP categorical variable, is mapped to message MSG1;
M0 to m2 is three type of message variablees.
VAR/
*var states part
*/
Empty:BOOL=true; /
*bOOL categorical variable empty, initial value is true
*/
key：INTEGER；
value：INTEGER；
Map1:MAP of MSG1; /
*the mapping of MSG1 message
*/
M0:MSG0; /
*the corresponding message MSG0 of variable m0
*/
m1：MSG1；
m2：MSG2；
Describing message processing procedure, detailed process is: from database table T2, take out condition restricting data, is loaded in map1; From database table T2, take out message m 0; And judge whether the attribute of m0 meets in map1 and limit, if do not meet, then will generate new information m2; Finally by m2 data stored in database table T3.
Above-mentioned T LISP program LISP can be sent by client message agency, starts description interpreter and receives.Describe the processing procedure after interpreter reception, be specially: the symbolic information first building statement part, comprises the various identifier titles of statement part, type and initial value, and build the semantic tree of processing section; Then start execution unit, according to the action type of action statement as load, get, reload etc., start the sub-execution unit such as corresponding JDBC, MQ; According to parameter type, by data adapter unit, the link field arranged according to interface statement and username and password, be fitted to the target data source of specifying, as T1, T2 etc.; Invocation target data source, as the Executive Modules such as database manipulation carry out the process of data.
Finally can sum up, Message Processing descriptive language-T language and the T language processor of internet of things oriented application of the present invention have following functions:
● realize message and the process in different messages source between Internet of Things heterogeneous platform
T language of the present invention and processor thereof, be integrated with database message, message queue message, Webservice message and tcp/ip communication message, realizes the processing of Internet of Things message between heterogeneous platform and transmission.
● what realize between Internet of Things different application is integrated
Data base administration provides the data storage function of Internet of Things information; Message queue management provides one to have industrial standard, safe and reliable message delivery system, and has and guarantee data integrity and the function of safety certification; Between the multiple different application such as Web service interface, TCP/IP transfer management and extendable functions, can be integrated by T language of the present invention, complete between different application and seamlessly share the needs with swap data.
● be very easy to Internet of things system develop and field
T language of the present invention, provides the configurable managed of Internet of Things Message Processing.The message format of configuration Internet of Things message, realizes the conversion of common message format; The interface parameters in configuration messages source, realizes the integrated of different messages source; The centralized management etc. flowed to message is provided, can is deployed easily and is applied in existing system.
● the formalized description method of Internet of Things complex message is provided
The present invention makes in Internet of things system, and the description of Message Processing and Row control become simple and easy, and are with good expansibility, thus solves Internet of Things message as complicated event, is difficult to description problem.
Claims (1)
1. an Internet of things information processing method, is characterized in that, comprising:
Be described processed Internet of Things message, the structure of this description comprises statement, statement and expression formula;
According to the description to described message, utilize eca rule, obtain the description of the relational model of described message and comprise description with good conditionsi and have the description of the processing procedure to described message of the description of action decision-making, wherein
Eca rule is made up of event, condition and action three part, adopts the mechanism that event triggers, and when the event defined occurs, if condition is met, then performs predefined behavior,
Described description comprises statement, statement and expression formula,
Described statement, for defining interface setting required in message processing procedure, message semantic definition and some local variables, interface arranges and indicates various dissimilar message source, the message that message semantic definition is every type provides general descriptor format, local variable in message processing procedure for meeting the variable needed for message
Described statement, for the transmission of describing message between various different pieces of information source and conversion, when an event occurs, utilizes eca rule, can trigger corresponding rule, and statement is used for the flow process of describing message process,
Described expression formula is the description to restrictive condition, namely judges whether some attributes of message satisfy condition definition, if meet the condition of specifying, if meet the condition of specifying, then the operation behavior described in triggering rule,
Also comprise use one and describe interpreter, to automatic explanation and the execution of described Internet of Things message semantic definition, the message in different pieces of information source in Internet of things system is processed and processed,
Described description interpreter to described Internet of Things message semantic definition treatment step comprise: initialization and explain perform, wherein
Initialization, is performed by initialize mode, is to carry out morphology, syntax and semantics analysis to message semantic definition,
Explain and perform, being performed by explanation Executive Module, is according to initialized analysis result, and execute-assignment-statement, expression formula calculate and action statement,
Described explanation Executive Module is divided into execution unit module, adaptor interface module and target data source module,
Described execution unit module is as agency, message call factory generates data, target data source is matched by adaptor interface module, the correlation method that invocation target data source modules provides performs the operation of specifying, execution unit module mainly comprises Java DataBase combining execution unit, message queue execution unit, Web service execution unit and TCP/IP execution unit
Described adaptor interface module is positioned on data adaptation layer, by uniform data interface, there is provided execution unit module operation statement to the adaptation of target data source module executing method, adaptor interface module comprises database adapter, message queue adapter, Web service adapter and tcp/ip communication module adapter
Described target data source module is positioned at data execution level, performs the operation that each execution unit is specified, and target data source mainly comprises database, message queue, Web service and tcp/ip communication data source,
Described description interpreter for Internet of Things message semantic definition treatment step comprise:
A1, client message acts on behalf of the message of sending from internet-of-things terminal equipment, starts and describes interpreter, receive;
A2, after describing interpreter reception, calls initialization module, and call the function of initializing of expression formula module, preliminary treatment is carried out to the statement part of language and expression formula, namely carries out morphological analysis, syntactic analysis, semantic test, and build the symbolic information such as key argument;
A3, describes interpreter call statement and builds submodule, adopts recursive descendent method to build statement tree;
A4, initialization is complete, starts the explanation Executive Module describing interpreter, first calls expression formula module, carry out expression formula judgement; According to result of determination, message is filtered, and trigger corresponding action statement;
A5, action statement can start the execution unit describing interpreter, and execution unit, according to the parameter type of action statement, by uniform data adaptor interface, is fitted to corresponding target data source Executive Module;
A6, by data adapter unit, performs corresponding operation by Parameter transfer to target data source, realizes the filtration of message, distribution and storage,
Described description interpreter for Internet of Things message semantic definition treatment step comprise:
B1, execution unit, according to the parameter type of action statement and parameter value, calls bottom message factory, carries out preliminary treatment and the generation of the message data specified by parameter;
B2, the message interface configuration information of execution unit specified by action statement parameter value, by uniform data adaptable interface module, is fitted to corresponding target data source object;
B3, the link field that execution unit is arranged according to message interface and username and password, linking objective data source Executive Module;
B4, the action type that execution unit describes according to action statement, the correlation method in invocation target data source Executive Module, realizes the exchange of Message recover signature stream and data flow and integrated.
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| CN102916978B (en) * | 2012-11-14 | 2015-06-24 | 广东物联天下物联网信息产业园有限公司 | Method and device for distributing Internet of Things data messages |
| CN105659633B (en) | 2013-08-29 | 2020-04-28 | 康维达无线有限责任公司 | Internet of things event management system and method |
| CN104699719B (en) | 2013-12-10 | 2017-09-29 | 中国科学院沈阳自动化研究所 | A kind of semantization method of internet-of-things terminal equipment |
| CN103914349B (en) * | 2014-04-28 | 2017-04-12 | 北京搜狐新媒体信息技术有限公司 | System and method for achieving distributed message processing |
| CN104993906B (en) * | 2015-05-18 | 2018-07-06 | 中国船舶重工集团公司第七二二研究所 | A kind of method and system of message transmission |
| CN106202191A (en) * | 2016-06-28 | 2016-12-07 | 成都启源电子信息技术有限公司 | Industry networking data conversion platform |
| CN109976919A (en) * | 2017-12-28 | 2019-07-05 | 北京京东尚科信息技术有限公司 | A kind of transmission method and device of message request |
| CN108763534B (en) * | 2018-05-31 | 2019-10-18 | 北京百度网讯科技有限公司 | Method and apparatus for handling information |
| CN110149283A (en) * | 2019-05-22 | 2019-08-20 | 无锡华云数据技术服务有限公司 | A kind of resource layout implementation method and device |
| CN111124813A (en) * | 2019-12-04 | 2020-05-08 | 山东浪潮人工智能研究院有限公司 | Monitoring management system based on autonomous controllable software and hardware |
| CN111158657B (en) * | 2019-12-31 | 2023-10-31 | 上海富勒信息科技有限公司 | Data integration processing method |
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