CN103458033A - System for providing services of event-driven service-oriented internet of things and working method thereof - Google Patents

System for providing services of event-driven service-oriented internet of things and working method thereof Download PDF

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CN103458033A
CN103458033A CN2013103974487A CN201310397448A CN103458033A CN 103458033 A CN103458033 A CN 103458033A CN 2013103974487 A CN2013103974487 A CN 2013103974487A CN 201310397448 A CN201310397448 A CN 201310397448A CN 103458033 A CN103458033 A CN 103458033A
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event
module
subscription
interface
agent
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CN103458033B (en
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乔秀全
孙运雷
章洋
吴步丹
程渤
陈俊亮
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北京邮电大学
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Abstract

The invention provides a system for providing services of an event-driven service-oriented internet of things and a working method of the system. The system is composed of a plurality of parts of an internet of things service system, an access agent, a unified message distribution network based on a publish-subscribe mechanism, a complex event processing engine, a resource descriptive model base and a sensor system. The system and the working method solve the problems that an existing system for providing the services of the internet of things can not process large-scale sensing information in a distributed mode, events in a physical world can not be processed, effective cross-business-domain and cross-organization coordination is difficult to achieve by different enterprise business processes. According to the system, sensing information is effectively distributed in the open and distributed computing environment, various pieces of sensing information can be conveniently and quickly distributed as required among different internet of things heterogeneous service systems, event-driven cross-business-domain and cross-organization service dynamic coordination is achieved, time, space and control flow uncoupled network services are provided, and quick response to change of the physical world can be flexibly and dynamically achieved in real time.

Description

Event-driven, service-oriented Internet of Things service provider system and method for work thereof
Technical field
The present invention relates to a kind of Internet of Things IOT(Internet of Things) service technology is provided, exactly, relate to a kind of event-driven, service-oriented Internet of Things service provider system and method for work thereof, belong to the technology of Internet of things field.
Background technology
High speed development along with embedded calculating and New Sensing Technology, the target of Information & Communication Technology from any time, any place connects anyone stage of realizing communication, develop into can realize at present any time, any place anyone realize the stage that is connected, completes interactive communication with the article that are positioned at any occasion.Together with people wish to calculate virtual world that facility forms and real physical world more closely connect each other, computing equipment can seamlessly be dissolved in people's work and life, mutual by the real-time perception physical world Mobile state of going forward side by side, thus the Pervasive Service of wisdom more is provided.
Under this background, technology of Internet of things arises at the historic moment.A large amount of physical entities interconnects and is integrated in information space, realizes the mutual and consumption of information by network.Due to the variation of Problem Areas, supply a pattern and compare with existing network service or Computer Service, the service of Internet of Things provides some new characteristics that present.Particularly, existing service (as telecommunications service or internet, applications) mainly solves the mutual of " people-machine " and " machine-machine ", that is to say, existing service is mainly towards a two-dimensional problem territory, i.e. user domain and information space territory.
Yet the Internet of Things service also needs the seamless integrated and dynamic interaction of solution and physical world.Therefore, the essence of Internet of Things service is the ternary Problem Areas that faces " user, information space and physical space "; Can find out: very large variation has occurred in the border of internet of things service system.Internet of things service system usually needs integrated a plurality of distributed enterprise application system, forms a large-scale complex services system and carrys out collaborative process, thereby realize the business objective of setting.When interested event has occurred physical world, internet of things service system needs rapidly across business domains, even across tissue ground, artificial, software service and physical entity is coordinated.Due to related software service, operation flow, personnel and physical entity, not only type is various, but also, in evolution continuously and development, internet of things service system presents the feature of height dynamic change.Therefore, internet of things service system is faced with the flow process that how to realize a large amount of Heterogeneous services and business event, and the challenge of how with physical entity, effectively working in coordination with to adapt to the dynamic change environment.
At present, the Internet of Things service provides technology to cause increasing attention and concern, and existing extensive work has been studied by mobile agent or middleware Technology and realized the integrated of physical world and enterprises service.Yet, in integrating process, being faced with a major obstacle is that sensor network or the application system of having disposed in a large number adopted proprietary business platform and proprietary technology, these off-gauge interface protocols cause the integrated very complicated of application system and sensing network.
In order to solve the system integration across business domains, recently, the researcher is applied to the Internet of Things service by service-oriented computing technique and provides.Consider traditional service-oriented computing SOA(Service Oriented Architecture) the design original intention of standard and technology is mainly enterprise level service integrated that solves heavyweight under internet environment, the technical staff has attempted proposing some and has been suitable for the lightweight Web service agreement of resource-constrained embedded device.In general, existing technical scheme mainly concentrate on the SOA technology or more lightweight service realize on the problem that interconnects of different physical entities and enterprise application system.In fact, interconnecting is a major issue of Internet of Things service facing.But, another problem of the thing followed is after having solved the interconnecting of equipment, realize the effective distribution of perception information between informant and consumer in the environment of how distributed at one, loose coupling, and based on the physical world event and the relevant enterprises service of dynamic coordinate make quick response.
At present, most of Internet of Things application systems are that a kind of close coupling, enclosed service supply a pattern, the perception information that namely sensor network collection is relevant, and be stored in a concentrated database, relevant specific application system is passed through the information in accessing database, thereby respective service is provided.Flexibility and autgmentability that this service supplies a pattern and greatly limited system, be not suitable for the structure of large-scale distributed, complicated internet of things service system.
In order to be supported in exchange message between different service systems, traditional take " asks-replys " often to use centralized service orchestration mechanism by the swap data that calls of service as main SOA framework.Yet, this pattern has caused the provider of information and consumer direct interaction each other, operation flow usually by some flow processs establishment language as BPEL BPEL(Business Process Execution Language) or workflow language be described.Variation has occurred when application demand like this, as cancelling of a new integrated service or a service etc., this tightly coupled system architecture must remodify flow process, lacks enough flexibilities and makes adaptation.The existing patent documentation retrieved comprises following two:
" internet of things service system " (Chinese Patent Application No. is 201110101715.2), this patent application has the following disadvantages: one, this patent application mainly lays particular emphasis on by various sensor units passes through wired or wireless Internet Transmission to the server of connecting Internet by data message, can find out that this internet of things service system is a kind of close coupling, enclosed service supplies a pattern, the perception information that namely sensor network collection is relevant, be stored in a concentrated server or database, shared and the distribution of perception data in a plurality of Heterogeneous service systems is difficult to solve.Therefore, flexibility and autgmentability that this service supplies a pattern and greatly limited system, be not suitable for structure large-scale distributed, complicated internet of things service system.Two, the internet of things service system of this patent application can not be processed association and the polymerization of large-scale complex event, therefore, can't form high-rise context awareness, is difficult to support the service of wisdom more.Three, the service system of this patent application is the internet of things service system of a relatively simple data acquisition and collection, can't support that the data based on collecting are carried out the Internet of Things application demand that relevant complicated business is processed.
" a kind of Internet of Things application implementation method and system " (Chinese Patent Application No. is 201010102600.0), this patent application is for solving the fusion problem of the existing application system of Internet of Things and enterprise.This system provides Internet of Things service interface equipment to the user, to the user, opens the Internet of Things service interface, to meet the enterprise customer, the Internet of Things service is integrated into to the demand in existing application system.The interface that the user can open according to Internet of Things service interface equipment carries out secondary development.But this patent application has the following disadvantages equally: one, the system of this patent application mainly lays particular emphasis on for enterprise provides open interface, for secondary development; Do not solve extensive perception data sharing and distribution in a plurality of Heterogeneous service systems.Two, this system is a centralized Internet of Things service providing platform basically, and therefore, this service supply a pattern flexibility and the autgmentability of the system that limited, be not suitable for structure large-scale distributed, complicated internet of things service system.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of event-driven, service-oriented Internet of Things service provider system and method for work, the Internet of Things service provider system that the present invention can solve prior art is not basically all considered how distributed extensive perception information is and is processed, and how according to the event of physical world institute, to make different business events flow paths can realize across business domains, even across a difficult problem and the defects such as effective coordination of organizational domains, system of the present invention can be an opening, effectively distribute perception information in distributed computing environment, and realize flexibly, coordinated between dynamic Heterogeneous service system.
In order to achieve the above object, the invention provides a kind of event-driven, service-oriented EDSOA(Event-Driven Service-Oriented Architecture) Internet of Things service provider system, it is characterized in that: described system is provided with following a plurality of building block: the internet of things service system, the access agency, unified message distributing network based on publish/subscribe mechanism, the Complex event processing engine, resource description model library and sensing system, wherein, sensing system, the internet of things service system, the Complex event processing engine is connected with the access agency respectively, so that access unified message distributing network, the access agency is connected respectively the event agent in the unified message distributing network with the resource description model library, the Complex event processing engine also is connected historical data base with the reporting system in the internet of things service system, wherein:
The internet of things service system, for comprising Database Systems, reporting system, WEB serves workout system, Workflow system, this class Internet of Things service of Visualized Monitoring System and warning system provides a plurality of upper layer application systems in field, described Database Systems are used for storing the image data of various application systems and the business datum that processing procedure produces, reporting system is for the executing data statistics, the system that gathers and analyze, WEB service workout system is based on business procedure effective language BPEL(Business Process Execution Language) the business workout system of establishment automation operation flow, Workflow system is to support human activity, job analysis is become to definition good task and role, again according to setting business process system regular and that process is executed the task and implementation is monitored, Visualized Monitoring System is to present in real time the state variation of institute's monitors physical object and realize the system of Long-distance Control by visual means, comprise supervisory control system and the supervisory control system based on GIS-Geographic Information System based on the configuration software instrument, warning system is the application system that can carry out alarm demonstration and disposal for the warning information occurred,
The access agency, as the message adapter between sensing system or internet of things service system and the unified message distributing network based on publish/subscribe mechanism, for the perception information of various isomeries and business event being adapted for to the event of unified standardization, this access agency is provided with: proprietary interface and publish/subscribe interface, and Data Analysis/encapsulation, resource mapping, data acquisition process, simple event processing and data notification are processed a plurality of modules;
The unified message distributing network, be the distributed covering network based on publish/subscribe mechanism consisted of a plurality of event agents: a plurality of event agents utilize publish/subscribe mechanism to realize extensive, distributed earth Distribution Events, and each event agent bears respectively the function of issue, subscription, notice and the route of event; These event agents form different bunches, so that the extensibility of bunch level to be provided; And the event agent of cluster interconnects, thereby form a large-scale distributed overlay network; In this clustering topology, the unified message distributing network support bunch in route and bunch between route; Each event agent is provided with following parts: communication interface between the event agent, event routing module, subscribe to synchronization module, proxy management module, issue event sets module, topic of subscription list block, event matches module and comprise registration interface, issuing subject interface, topic of subscription interface, theme notification interface, quit the subscription of the theme interface, cancel the publish/subscribe interface of theme interface;
The Complex event processing engine, for complete mutual with the event agent by the publish/subscribe interface: system data is considered as to dissimilar event, by the incidence relation between the analysis event, set up different event relation sequence libraries, recycling filtration, association and polymerization technique, so that produce advanced event by simple event, and then trigger corresponding operation flow; The input of this Complex event processing engine is from event agent's real-time event stream or the data of historical data base, then the complicated event that will complete after processing outputs to the event agent; Be provided with: event schema editor module, event type Registering modules, the event checking module formed by event statement detecting unit and event schema detecting unit, database link block, incoming event stream adaptation module, action listener module and outgoing event stream adaptation module;
The resource description model library, be responsible for describing Internet of Things resource, contextual information and domain knowledge, and expand the semantic sensor network W3C SSN(World Wide Web Consortium Semantic Sensor Network that comprises that World Wide Web (WWW) is organized to set up with link data) resource of existing body, the body organisational level that this resource description model library is used sequentially is divided into: Top-level Ontology, upper strata body, outer body and domain body layer; And each lower floor's body can be used the body that is located thereon layer, realizes resource-sharing; Its input interface connects the existing ontological resource on various the Internets, also can use ontology modeling tool to generate voluntarily new body as input; Various resource models in the resource description model library connect the access agency by output interface;
Sensing system, comprise the various physical sensors that use in environment of internet of things and/or the application system of transducer, for perception with gather the various change informations of physical world; This sensing system at least comprises: all kinds of wireless sensers, intelligent mobile phone terminal, car-mounted terminal, wired sensor and information acquisition module.
In order to achieve the above object, the present invention also provides the method for work of a kind of event-driven, service-oriented Internet of Things service provider system, and it is characterized in that: described method of work comprises following operating procedure:
(1) the various relevant parameters of sensing system perception and collection physical world, and send the access agency to by standard agreement;
(2) after access agency receives the image data from sensing system, use the concept set in the resource description model library and attribute by isomery or Proprietary Information all be converted to the event of unified standardization; Then, access proxy call event agent's publish/subscribe interface, be published to the unified message distributing network by event;
(3), after the event agent in the unified message distributing network receives the event of issue, the list of check and inspection topic of subscription, by this case distribution be routed to different event agents, then be responsible for sending event notice to the system of subscribing to this event by this event agent;
(4), after different event subscription persons receives the event notice of subscription, carry out corresponding following predetermined process flow process or action:
If event subscription person is the Complex event processing engine, the Complex event processing engine is detected according to predefined event schema and event statement, thus the output complicated event; And the unified message distributing network be forwarded to based on publish/subscribe mechanism via the access agency carries out subsequent treatment;
If event subscription person is historical data base, historical data base carries out sampling processing to the event received, and completes the persistent storage of data;
If event subscription person is the various internet of things service subsystems in this Internet of Things service provider system, the corresponding service flow process that this internet of things service system just triggers its subsystem is processed this event;
If event subscription person is Visualized Monitoring System, Visualized Monitoring System data or other information that this event is entrained is shown in the visual control interface in real time;
If event subscription person is warning system, the alarm level that warning system carries according to this event sends corresponding audible and visual alarm signal, and carries out corresponding alarm disposal process.
Compared with prior art, the beneficial effect of Internet of Things service provider system of the present invention is: can support easily the as required distribution of perception information between different Internet of Things Heterogeneous service systems, and realization event drive across business domains, even across the service dynamic cooperation of organizational domains.Thisly can realize that time, space and control flows uncoupled network service supplying method, greatly strengthen the flexibility of system, the permission system dynamically, make quick response to the variation of physical world in real time.
The accompanying drawing explanation
Fig. 1 is that the service-oriented Internet of Things service provider system structure of event-driven of the present invention forms schematic diagram.
Fig. 2 is that the access proxy construction in system of the present invention forms schematic diagram.
Fig. 3 is that the unified message distributing network structure based on publish/subscribe in system of the present invention forms schematic diagram.
Fig. 4 is that the event agent's structure in system of the present invention forms schematic diagram.
Fig. 5 is that the Complex event processing engine structure in system of the present invention forms schematic diagram.
Fig. 6 is that the resource description model base structure in system of the present invention forms schematic diagram.
Fig. 7 is the method for work operating procedure flow chart of the service-oriented Internet of Things service provider system of event-driven of the present invention.
Fig. 8 is that the routing procedure sequential chart subscribed in the theme of the embodiment of the present invention.
Fig. 9 is the complicated event product process sequential chart of the embodiment of the present invention.
Figure 10 is the event driven service collaboration flow process sequential chart of the embodiment of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail.
Referring to Fig. 1~Fig. 6, the structure of introducing the Internet of Things service provider system of event-driven of the present invention, service-oriented EDSOA forms.This Internet of Things service provider system comprises following a plurality of building block (shown in Figure 1): internet of things service system, access agency, the unified message distributing network based on publish/subscribe mechanism, Complex event processing engine, resource description model library and sensing system.Wherein, sensing system, internet of things service system, Complex event processing engine are connected with the access agency respectively, so that access unified message distributing network; The access agency is connected respectively the event agent in the unified message distributing network with the resource description model library; The Complex event processing engine also is connected historical data base with the reporting system in the internet of things service system.Below illustrate respectively the function and characteristic of each building block:
The internet of things service system: it relates to the Internet of Things service various common upper layer application systems in field is provided, and comprises Database Systems, reporting system, WEB service workout system, Workflow system, Visualized Monitoring System and warning system etc.Wherein, Database Systems are used for storing the image data of various application systems and the business datum that processing procedure produces, the system that reporting system is added up, gathered and analyze for executing data, WEB service workout system is based on business procedure effective language BPEL(Business Process Execution Language) the business workout system, for working out the automation operation flow; Workflow system is the business process system of supporting human activity, and it is by job analysis being become to definition good task and role, then executes the task and implementation is monitored according to setting rule and process; Visualized Monitoring System is to present in real time the state variation of institute's monitors physical object by visual means, and realizes the system of Long-distance Control, comprises supervisory control system and the supervisory control system based on GIS-Geographic Information System based on the configuration software instrument; Warning system is the application system that can carry out alarm demonstration and disposal for the warning information occurred.
Access agency: as the message adapter between a kind of event publisher/subscriber (as various sensing systems or operation system) and the unified message distributing network based on publish/subscribe mechanism, be adapted for the event of unified standardization for the perception information by various isomeries and business event.This access agency is provided with: proprietary interface and publish/subscribe interface, and Data Analysis/encapsulation, resource mapping, data acquisition process, simple event processing and data notification are processed a plurality of modules.Referring to Fig. 2, the function of introducing its all modules is as follows:
The resource mapping module, after being responsible for the unified standard data format in the data format from various professional systems and unified message distributing network is mutually changed and shone upon, deliver to Data Analysis/package module;
The simple event processing module, be responsible for checking whether image data exceeds setting threshold, once find this situation, according to setting rule, determines the alarm grade, and inform digital sampling and processing;
Digital sampling and processing, image data and the message being responsible for the access agency is received from sensing system or internet of things service system are forwarded to the unified message distributing network;
The data notification processing module, the notification event of being responsible for the access agency is received from the unified message distributing network is forwarded to sensing system or internet of things service system via Data Analysis/package module and the corresponding interface;
Data Analysis/package module, after the information of being responsible for that proprietary interface and publish/subscribe interface are received is resolved, the corresponding module that passes on is processed; After also the message of preparing to send by proprietary interface and publish/subscribe interface being encapsulated, be sent to sensing system or internet of things service system;
Proprietary interface, the message of being responsible between access agency and complex process engine, sensing system or internet of things service system transmits;
The publish/subscribe interface, the message of being responsible between event agent and unified message distributing network transmits.
Unified message distributing network: be the distributed covering network (shown in Figure 3) based on publish/subscribe mechanism consisted of a plurality of event agents: a plurality of event agents utilize publish/subscribe mechanism to realize extensive, distributed earth Distribution Events, and each event agent bears respectively the functions such as issue, subscription, notice and route of event.These event agents form different bunches, so that the extensibility of bunch level to be provided; And the event agent of cluster interconnects, thereby form a large-scale distributed overlay network, can realize large-scale distributed case distribution.In the clustering topology of this network, the unified message distributing network support bunch in route and bunch between route.In the unified message distributing network, each bunch is provided with a particular event agency, the i.e. agency by agreement of route between responsible bunch.Publisher or subscriber are connected to certain event agent in the unified message distributing network, and issue or subscribe to its interested event by this event agent; When this event agent receives the subscription of client, the agency by agreement of neighbor node and this bunch in being responsible for this subscription information is forwarded to bunch, and by the agency by agreement of this bunch, this subscription information is forwarded to other bunches; Similarly, when the event of certain event agent from its client to issue, the event agent who this event forwarding is subscribed to coupling by the unified message distributing network, then, this event agent gives interested subscriber by this event delivery.
Referring to Fig. 4, the structure of introducing each event agent forms.It is provided with following parts: communication interface between the event agent, event routing module, subscribe to synchronization module, proxy management module, issue event sets module, topic of subscription list block, event matches module and comprise registration interface, issuing subject interface, topic of subscription interface, theme notification interface, quit the subscription of the theme interface, cancel the publish/subscribe interface of theme interface.Wherein, the event matches module is connected with publish/subscribe interface, topic of subscription list block and issue event sets module respectively; Theme notification interface in event routing interface, topic of subscription list block, issue event sets module and publish/subscribe interface in event routing module difference connection event inter-agent communication interface; Subscribe to subscription sync cap and topic of subscription list block in synchronization module difference connection event inter-agent communication interface; The proxy management module is connected with the proxy management interface.The function declaration of these modules and interface is as follows:
Communication interface between the event agent, be responsible for the interacting message between the different event agency, is provided with three kinds of interfaces: the event routing interface, subscribe to sync cap and proxy management interface, the pipeline of corresponding information is provided respectively.
The proxy management module, be responsible for the various relevant informations of maintenance event agent node information and affiliated bunch.
Subscribe to synchronization module, be responsible for different event agents and directly carry out the real-time synchronization of theme subscription information.
The event routing module, the topic of subscription list block is consulted in the event contrast of being responsible for the event agent is received, and then carries out corresponding distribution operation.
Issue event sets module, for the event of the up-to-date issue of storing related subject, each issuing subject comprises one or more issue events.
The topic of subscription list block, for storing the up-to-date subscription information of related subject, because the event agent has two kinds: event agent and agency by agreement, therefore the topic of subscription list has three kinds: registered user's subscription table of storing the subscriber's who directly is registered in this event agent subscription information, the neighbours that store other event agents' subscription information in this bunch act on behalf of subscription table, and bunch subscription table of storing other bunch of interested subscription information; Every record in subscription table comprises two contents: topic of subscription and subscriber address.
The event matches module, be responsible for, in issue event sets module and topic of subscription list block, the event received is carried out to matching inquiry.
The publish/subscribe interface, for the function of the publish/subscribe of registration that local publisher/subscriber is provided and related subject/notify/quit the subscription of/cancel.
Complex event processing engine (shown in Figure 5): for complete mutual with the event agent by the publish/subscribe interface: system data is considered as to dissimilar event, by analyzing the incidence relation between each event, set up different event relation sequence libraries, the technology such as recycling filtration, association and polymerization, so that produce advanced event by simple event, and then trigger corresponding operation flow.The input of this Complex event processing engine is from event agent's real-time event stream or the data of historical data base, the complicated event that will complete again after processing outputs to the event agent, by the publish/subscribe interface, completes the mutual of this Complex event processing engine and event agent.Be provided with: event schema editor module, event type Registering modules, the event checking module formed by event statement detecting unit and event schema detecting unit, database link block, incoming event stream adaptation module, action listener module and outgoing event stream adaptation module.Wherein, event schema editor module connection event type Registering modules and event checking module, event checking module also is connected with the action listener module with database link block, incoming event stream adaptation module, and the action listener module connects outgoing event stream adaptation module.The function of above-mentioned modules is as follows:
The event schema editor module, be responsible for to receive user's input and generate corresponding event statement or the more complicated event schema that comprises event rules and condition.
The event type Registering modules, be responsible for the event type of customer requirements is registered to the Complex event processing engine, for the statement of event schema editor module generation event fast and event schema statement provide support.
The database link block, be responsible for receiving the information from Database Systems, delivers to event checking module.
Incoming event stream adaptation module, be responsible for receiving real-time event stream by the event agent from the unified message distributing network.
Event checking module, the event that responsible detection receives, check whether have the event statement that meets definition and the complicated event whether event schema occurs; Wherein, event statement detecting unit is responsible for checking that whether generation event states described complicated event, and the event schema detecting unit is responsible for checking whether the described complicated event of event schema occurs.
The action listener module, the qualified complicated event of being responsible for event checking module is detected is carried out subsequent treatment.
Outgoing event stream adaptation module, be responsible for the result of action listener module is sent to the unified message distributing network by the interface requirement of publish/subscribe by the event agent.
Resource description model library (shown in Figure 6): be responsible for describing Internet of Things resource, contextual information and domain knowledge, and expand the semantic sensor network W3C SSN(World Wide Web Consortium Semantic Sensor Network that comprises that World Wide Web (WWW) is organized to set up with link data) resource of existing body, the body organisational level that this resource description model library is used sequentially is divided into: Top-level Ontology, upper strata body, outer body and domain body layer; And each lower floor's body can both be used the body that is located thereon layer, realizes resource-sharing; Its input interface connects the existing ontological resource on various the Internets, also can use ontology modeling tool to generate voluntarily new body as input.Various resource models in the resource description model library connect the access agency by output interface.
Sensing system: comprise the various physical sensors that use in environment of internet of things and/or the application system of transducer, for perception with gather the various change informations of physical world.This sensing system at least comprises: all kinds of wireless sensers, intelligent mobile phone terminal, car-mounted terminal, wired sensor and information acquisition module.
Referring to Fig. 7, introduce the concrete operation step of the service-oriented Internet of Things service provider system of event-driven of the present invention method of work:
Step 1, the various relevant parameters of sensing system perception and collection physical world, and send the access agency to by standard agreement.
Step 2, after access agency receives the image data from sensing system, use the concept set in the resource description model library and attribute by isomery or Proprietary Information all be converted to the event of unified standardization; Then, access proxy call event agent's publish/subscribe interface, be published to the unified message distributing network by event.
In this step 2, access agency has the flow process of two kinds of process informations, and one of them is: receive from sensing system or other internet of things service systems the information collected and send to the unified message distributing network.Its concrete operations the contents are as follows:
(21) access agency receives the information of the particular message structure that external sensor system or other internet of things service system send by proprietary interface.
(22) Data Analysis/package module of access agency is responsible for resolving the agreement of this particular message, to obtain this Information Monitoring, and this information is converted into to the event format of standard by the resource mapping module; If in conversion process, if the situation that has the threshold value of image data to transfinite, the alarm event rule that digital sampling and processing is set according to the simple event processing module is judged the alarm grade, and by this alarm grade packaging in event.
(23) after digital sampling and processing is packaged as the event format of unified standard by this event, then by these events, the requirement according to event publish/subscribe interface is encapsulated by Data Analysis/package module.
(24) the access agency sends the event after encapsulation to the event agent module by the publish/subscribe interface.
The another kind of flow process of access agent processes information is: from unified message distributing network reception information, send to event subscription person.Its concrete operations the contents are as follows:
(2A) the access agency receives by the publish/subscribe interface event notification message that the event agent sends.
(2B) access agency's data notification processing module, by Data Analysis/package module analysis protocol, is known this event information, and by the resource mapping module, the event format of standard is converted into to specific Proprietary Information.
(2C) by these events, the agreement regulation according to proprietary interface requires to be encapsulated by Data Analysis/package module to access the agency.
(2D) the access agency sends this event to sensing system or other internet of things service systems by proprietary interface.
Step 3, after the event agent in the unified message distributing network receives the event of issue, the list of check and inspection topic of subscription, by this case distribution be routed to different event agents, then be responsible for sending event notice to the system of subscribing to this event by this event agent.In this step, the event agent carries out following content of operation:
(31) after the issuing subject interface by the publish/subscribe interface receives event and gives out information as the event agent, carry out subsequent step (32); As the event agent, by the publish/subscribe interface, receive subscribe to/quit the subscription of/cancel theme message after, redirect execution step (35).;
(32) event agent is saved in by the event matches module event received in topic list corresponding in issue event sets module.
(33) event agent by the event matches module, registered user's subscription table, the neighbours in the topic of subscription list block act on behalf of inquiry character in subscription table or bunch subscription table should the subscriber of event topic.
(34) event agent is according to the subscriber address of this theme inquired, by the event routing module, this event is sent to the subscriber: if the subscriber is local registered client, the theme notification interface by the publish/subscribe interface directly is pushed to the subscriber; If the subscriber is neighbours act on behalf of or bunch agency by agreement, the event routing interface by communication interface between the event agent is transmitted to the agency by agreement of corresponding neighbours agency or this bunch.Then, return to execution step (31).
(35) dissimilar according to subscriber's address judgement subscriber of event agent: local registered user, neighbours agency or bunch agency by agreement.
(36) event agent acts on behalf of in subscription table or bunch subscription table to registered user's subscription table, neighbours in the topic of subscription list block according to subscriber's type, by the event matches module, increases or the relevant topic of subscription item of deletion.
(37) event agent's subscription synchronization module is by the subscription sync cap of communication interface between the event agent, this subscribe to change information real-time synchronization in the unified message distributing network with other neighbor nodes in cluster with the agency by agreement of synchronous this bunch of the subscription between being responsible for bunch.Return to again execution step (31).
Step 4, after different event subscription persons receives the event notice of subscription, carry out corresponding following predetermined process flow process or action:
If event subscription person is the Complex event processing engine, the Complex event processing engine is detected according to predefined event schema and event statement, thus the output complicated event; And the unified message distributing network be forwarded to based on publish/subscribe mechanism via the access agency carries out subsequent treatment.
If event subscription person is historical data base, historical data base carries out sampling processing to the event received, and completes the persistent storage of data.
If event subscription person is various internet of things service subsystems in this Internet of Things service provider system (as WEB service workout system, Workflow systems etc.), the corresponding service flow process that this internet of things service system just triggers its subsystem is processed this event.
If event subscription person is Visualized Monitoring System, Visualized Monitoring System data or other information that this event is entrained is shown in the visual control interface in real time.
If event subscription person is warning system, the alarm level that warning system carries according to this event sends corresponding audible and visual alarm signal, and carries out corresponding alarm disposal process.
In above-mentioned five kinds of different handling processes, the handling process of the first Complex event processing engine comprises following content of operation:
(41) the event schema editor module receives the event statement of user input or rule and the condition (being event schema) of more complicated event schema, for interested complicated event is filtered.
So-called event statement is to adopt special event handling E Language PL(Event Processing Language) condition of variety of event, the association of event and the time window of crossing over are described, the user can also define interested event detection rules, be the event statement.In addition, also can define some complicated event rules and identify different patterns.Generation for the statement of simplification event and event schema, the user is registered in the event type Registering modules in the Complex event processing engine by visualization interface by event type, the event type that the direct use case type of event schema editor module Registering modules provides, the statement of generation event fast and event schema.
(42) the event schema editor module is loaded into the statement of the event of generation and/or event schema respectively event statement detecting unit and/or the event schema detecting unit of event checking module.
(43) the Complex event processing engine flows adaptation module by incoming event and receives real-time event stream from event agent in the unified message distributing network (comprising from the event of sensing system with from the business event of internet of things service system), incoming event stream adaptation module is responsible for the different event form that adaptation comprises XML or Java object etc., and the Complex event processing engine also can receive the data from Database Systems by the database link block.
(44) the Complex event processing engine adopts the pattern of storage event query statement and real time filtering data, after receiving the event of input, event statement detecting unit and event schema detecting unit in event checking module are filtered and polymerization flow of event respectively, once qualified event occurs, just trigger this event of action listener resume module corresponding to this event.
(45) the action listener module is monitored this event, and determines this event is taked to respective handling according to concrete application demand.
(46) the Complex event processing engine flows by outgoing event the complicated event form that adaptation module is adapted for standard by the result of action listener module, and complicated event is outputed to the event agent of unified message distributing network by the publish/subscribe interface.
In order to further describe and verify the feasibility of system of the present invention and method of work thereof, the applicant has carried out repeatedly different emulation and has implemented test.Below in conjunction with the actual conditions of the embodiment of the present invention, for the handling process of the unified message distributing network based on publish/subscribe, the polymerization generting machanism of complicated event and the associated treatment flow process between event driven a plurality of internet of things service system, carry out concrete example explanation.
Referring to Fig. 8, this emulation embodiment is that to take subscriber s1 topic of subscription X and subscriber s2 topic of subscription Y be example, introduces system of the present invention as follows to the handling process of the subscription information that enters the unified message distributing network:
Step 1: the topic of subscription X of subscriber s1 sends to the event agent b1 of registration, makes registered user's subscription table r1 of event agent b1 increase a record: (X, subscriber s1).
Step 2: event agent b1 is forwarded to Neighbor Event by topic of subscription X and acts on behalf of b2 and agency by agreement a1, make the neighbours of event agent b2 act on behalf of a record of subscription table n2 increase: (X, event agent b1), the neighbours of agency by agreement a1 act on behalf of subscription table n3 also increases a record: (X, event agent b1).
Step 3: the agency by agreement a1 of bunch c1 forwards the agency by agreement a2 of topic of subscription X to bunch c2, makes the cluster agent subscription table c2 of agency by agreement a2 increase a record: (X, agency by agreement a1).
Step 4: agency by agreement a2 is forwarded to two Neighbor Events by topic of subscription X and acts on behalf of b3 and event agent b4, make the neighbours of event agent b3 act on behalf of a record of subscription table n5 increase: (X, agency by agreement a2), the neighbours of event agent b4 act on behalf of subscription table n6 increases a record: (X, agency by agreement a2).
Step 5: subscriber s2 sends to its topic of subscription Y the event agent b4 of registration, makes registered user's subscription table r2 of event agent b4 increase a record: (Y, subscriber s2).
Step 6: event agent b4 is forwarded to its Neighbor Event by topic of subscription Y and acts on behalf of b3 and agency by agreement a2, make the neighbours of event agent b3 act on behalf of a record of subscription table n5 increase: (Y, event agent b4), the neighbours of agency by agreement a2 act on behalf of subscription table n4 also increases a record: (Y, event agent b4).
Step 7: the agency by agreement a2 of bunch c2 is forwarded to topic of subscription Y the agency by agreement a1 of bunch c1, makes the cluster agent subscription table c1 of agency by agreement a1 increase a record: (Y, agency by agreement a2).
Step 8: agency by agreement a2 is forwarded to Neighbor Event by topic of subscription Y and acts on behalf of b1 and event agent b2.Make the neighbours of event agent b1 act on behalf of a record of subscription table n1 increase: (Y, agency by agreement a1), the neighbours of event agent b2 act on behalf of subscription table n2 also increases a record: (Y, agency by agreement a1).
Therefore, when the event agent receives the event of its registered user's issue, will search subscription table, and forward this event to relevant subscriber.This embodiment verified event in system of the present invention at first bunch in route, if other bunches have also been subscribed to this event, route between continuing bunch.
Referring to Fig. 9, introduce the polymerization process of complicated event ce1 and ce2, and the concrete polymerization processing procedure that describes complicated event in detail with this example is as follows:
Step 1: transducer s1 sends perception information and acts on behalf of a1 to access, and access is acted on behalf of a1 perception events se1 is sent to the unified message distributing network based on publish/subscribe.Transducer s2 sends perception information and acts on behalf of a2 to access, and access is acted on behalf of a2 perception events se2 is sent to the unified message distributing network based on publish/subscribe.
Step 2: the unified message distributing network based on publish/subscribe forwards respectively perception events se1 and se2 to the Complex event processing engine.
Step 3: Complex event processing engine aggregation perception events se1 and se2 are complicated event ce1, and send complicated event ce1 to the unified message distributing network based on publish/subscribe.
Step 4: the unified message distributing network based on publish/subscribe forwards complicated event ce1 and acts on behalf of a3 to access.
Step 5: access is acted on behalf of a3 and is forwarded complicated event ce1 to internet of things service system bs1.
Step 6: internet of things service system bs2 sends service message and acts on behalf of a4 to access, and access is acted on behalf of a4 business event be2 is sent to the unified message distributing network based on publish/subscribe.Transducer s3 sends perception information and acts on behalf of a5 to access.Access is acted on behalf of a5 perception events se3 is sent to the unified message distributing network based on publish/subscribe.
Step 7: the unified message distributing network based on publish/subscribe is forwarded to the Complex event processing engine by business event be2 and perception events se3 respectively.
Step 8: Complex event processing engine aggregation perception events se3, complicated event ce1 and business event be2 are complicated event ce2, and send complicated event ce2 to the unified message distributing network based on publish/subscribe.
Step 9: the unified message distributing network based on publish/subscribe forwards complicated event ce2 and acts on behalf of a6 to access.
Step 10: access is acted on behalf of a6 and is forwarded complicated event ce2 to operation system bs3.
This embodiment has verified the polymerization processing capacity of Complex event processing engine to various perception informations.
Referring to Figure 10, the cooperation of take between internet of things service system bs1, bs2 and bs3 is example, and the event-driven of system of the present invention, the working mechanism of service-oriented Internet of Things service collaboration are described, the idiographic flow example is as follows:
Step 1: internet of things service system bs1 sends service message and acts on behalf of a1 to access, and access is acted on behalf of a1 business event be1 is sent to the unified message distributing network based on publish/subscribe.
Step 2: the unified message distributing network forwarding service event be1 based on publish/subscribe acts on behalf of a2 to access.
Step 3: access is acted on behalf of a2 business event be1 is forwarded to operation system bs2, after operation system bs2 receives business event be1, carries out corresponding business processing flow.
Step 4: internet of things service system bs2 sends service message and acts on behalf of a2 to access, and access is acted on behalf of a2 business event be2 is sent to the unified message distributing network based on publish/subscribe.
Step 5: the unified message distributing network forwarding service event be2 based on publish/subscribe acts on behalf of a3 to access.
Step 6: access is acted on behalf of a3 business event be2 is forwarded to operation system bs3, after operation system bs3 receives business event be2, carries out corresponding business processing flow.
Like this, when new changes in demand is arranged, the user can change business processing flow by the mode of adjusting the event subscription table, changes issue and the subscription operation flow process of event.This event driven service collaboration mechanism contributes to reduce across business domains, even across the degree of coupling of the operation system of organizational domains, form one more flexibly, quicker Internet of Things service provider system.
In a word, the embodiments of the invention test is successfully, has realized goal of the invention.
The foregoing is only and introduce embodiments of the invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.

Claims (10)

1. an event-driven, service-oriented EDSOA(Event-Driven Service-Oriented Architecture) the Internet of Things service provider system, it is characterized in that: described system is provided with following a plurality of building block: internet of things service system, access agency, the unified message distributing network based on publish/subscribe mechanism, Complex event processing engine, resource description model library and sensing system, wherein, sensing system, internet of things service system, Complex event processing engine are connected with the access agency respectively, so that access unified message distributing network; The access agency is connected respectively the event agent in the unified message distributing network with the resource description model library; The Complex event processing engine also is connected historical data base with the reporting system in the internet of things service system; Wherein:
The internet of things service system, for comprising Database Systems, reporting system, WEB serves workout system, Workflow system, this class Internet of Things service of Visualized Monitoring System and warning system provides a plurality of upper layer application systems in field, described Database Systems are used for storing the image data of various application systems and the business datum that processing procedure produces, reporting system is for the executing data statistics, the system that gathers and analyze, WEB service workout system is based on business procedure effective language BPEL(Business Process Execution Language) the business workout system of establishment automation operation flow, Workflow system is to support human activity, job analysis is become to definition good task and role, again according to setting business process system regular and that process is executed the task and implementation is monitored, Visualized Monitoring System is to present in real time the state variation of institute's monitors physical object and realize the system of Long-distance Control by visual means, comprise supervisory control system and the supervisory control system based on GIS-Geographic Information System based on the configuration software instrument, warning system is the application system that can carry out alarm demonstration and disposal for the warning information occurred,
The access agency, as the message adapter between sensing system or internet of things service system and the unified message distributing network based on publish/subscribe mechanism, for the perception information of various isomeries and business event being adapted for to the event of unified standardization, this access agency is provided with: proprietary interface and publish/subscribe interface, and Data Analysis/encapsulation, resource mapping, data acquisition process, simple event processing and data notification are processed a plurality of modules;
The unified message distributing network, be the distributed covering network based on publish/subscribe mechanism consisted of a plurality of event agents: a plurality of event agents utilize publish/subscribe mechanism to realize extensive, distributed earth Distribution Events, and each event agent bears respectively the function of issue, subscription, notice and the route of event; These event agents form different bunches, so that the extensibility of bunch level to be provided; And the event agent of cluster interconnects, thereby form a large-scale distributed overlay network; In this clustering topology, the unified message distributing network support bunch in route and bunch between route; Each event agent is provided with following parts: communication interface between the event agent, event routing module, subscribe to synchronization module, proxy management module, issue event sets module, topic of subscription list block, event matches module and comprise registration interface, issuing subject interface, topic of subscription interface, theme notification interface, quit the subscription of the theme interface, cancel the publish/subscribe interface of theme interface;
The Complex event processing engine, for complete mutual with the event agent by the publish/subscribe interface: system data is considered as to dissimilar event, by the incidence relation between the analysis event, set up different event relation sequence libraries, recycling filtration, association and polymerization technique, so that produce advanced event by simple event, and then trigger corresponding operation flow; The input of this Complex event processing engine is from event agent's real-time event stream or the data of historical data base, then the complicated event that will complete after processing outputs to the event agent; Be provided with: event schema editor module, event type Registering modules, the event checking module formed by event statement detecting unit and event schema detecting unit, database link block, incoming event stream adaptation module, action listener module and outgoing event stream adaptation module;
The resource description model library, be responsible for describing Internet of Things resource, contextual information and domain knowledge, and expand the semantic sensor network W3C SSN(World Wide Web Consortium Semantic Sensor Network that comprises that World Wide Web (WWW) is organized to set up with link data) resource of existing body, the body organisational level that this resource description model library is used sequentially is divided into: Top-level Ontology, upper strata body, outer body and domain body layer; And each lower floor's body can be used the body that is located thereon layer, realizes resource-sharing; Its input interface connects the existing ontological resource on various the Internets, also can use ontology modeling tool to generate voluntarily new body as input; Various resource models in the resource description model library connect the access agency by output interface;
Sensing system, comprise the various physical sensors that use in environment of internet of things and/or the application system of transducer, for perception with gather the various change informations of physical world; This sensing system at least comprises: all kinds of wireless sensers, intelligent mobile phone terminal, car-mounted terminal, wired sensor and information acquisition module.
2. Internet of Things service provider system according to claim 1 is characterized in that: in the described unified message distributing network based on publish/subscribe mechanism, each bunch be provided with a particular event agency, be responsible for bunch between the agency by agreement of route; Publisher or subscriber are connected to certain event agent in the unified message distributing network, and issue or subscribe to its interested event by this event agent; When this event agent receives the subscription of this client, the agency by agreement of neighbor node and this bunch in being responsible for this subscription information is forwarded to bunch, and by the agency by agreement of this bunch, this subscription information is forwarded to other bunches; Similarly, when the event of certain event agent from its client to issue, the event agent who this event forwarding is subscribed to coupling by the unified message distributing network, then, this event agent gives interested subscriber by this event delivery.
3. Internet of Things service provider system according to claim 1 is characterized in that: the event matches module in described event agent is connected with publish/subscribe interface, topic of subscription list block and issue event sets module respectively; Theme notification interface in event routing interface, topic of subscription list block, issue event sets module and publish/subscribe interface in event routing module difference connection event inter-agent communication interface; Subscribe to subscription sync cap and topic of subscription list block in synchronization module difference connection event inter-agent communication interface; The proxy management module is connected with the proxy management interface; The function of these parts is as follows:
Communication interface between the event agent, be responsible for the interacting message between the different event agency, is provided with three kinds of interfaces: the event routing interface, subscribe to sync cap and proxy management interface, the pipeline of corresponding information is provided respectively;
The proxy management module, be responsible for the various relevant informations of maintenance event agent node information and affiliated bunch;
Subscribe to synchronization module, be responsible for different event agents and directly carry out the real-time synchronization of theme subscription information;
The event routing module, the topic of subscription list block is consulted in the event contrast of being responsible for the event agent is received, and then carries out corresponding distribution operation;
Issue event sets module, for the event of the up-to-date issue of storing related subject, each issuing subject comprises one or more issue events;
The topic of subscription list block, for storing the up-to-date subscription information of related subject, because the event agent has two kinds: event agent and agency by agreement, therefore the topic of subscription list has three kinds: registered user's subscription table of storing the subscriber's who directly is registered in this event agent subscription information, the neighbours that store other event agents' subscription information in this bunch act on behalf of subscription table, and bunch subscription table of storing other bunch of interested subscription information; Every record in subscription table comprises two contents: topic of subscription and subscriber address.
The event matches module, be responsible for, in issue event sets module and topic of subscription list block, the event received is carried out to matching inquiry;
The publish/subscribe interface, for the function of the publish/subscribe of registration that local publisher/subscriber is provided and related subject/notify/quit the subscription of/cancel.
4. Internet of Things service provider system according to claim 1, is characterized in that; The function that all modules is acted on behalf of in described access is as follows:
The resource mapping module, after being responsible for the unified standard data format in the data format from various professional systems and unified message distributing network is mutually changed and shone upon, deliver to Data Analysis/package module;
The simple event processing module, be responsible for checking whether image data exceeds setting threshold, once find this situation, according to setting rule, determines the alarm grade, and inform digital sampling and processing;
Digital sampling and processing, the message of being responsible for the access agency is received from sensing system or internet of things service system is forwarded to the unified message distributing network;
The data notification processing module, the notification event of being responsible for the access agency is received from the unified message distributing network is forwarded to sensing system or internet of things service system via Data Analysis/package module and the corresponding interface;
Data Analysis/package module, after the information of being responsible for that proprietary interface and publish/subscribe interface are received is resolved, the corresponding module that passes on is processed; After also the message of preparing to send by proprietary interface and publish/subscribe interface being encapsulated, be sent to sensing system or internet of things service system;
Proprietary interface, the message of being responsible between access agency and complex process engine, sensing system or internet of things service system transmits;
The publish/subscribe interface, the message of being responsible between event agent and unified message distributing network transmits.
5. Internet of Things service provider system according to claim 1, it is characterized in that: event schema editor module connection event type Registering modules and event checking module in described Complex event processing engine, event checking module also is connected with the action listener module with database link block, incoming event stream adaptation module; The action listener module connects outgoing event stream adaptation module; The function of above-mentioned modules is as follows:
The event schema editor module, be responsible for to receive user's input and generate corresponding event statement or the more complicated event schema that comprises event rules and condition;
The event type Registering modules, be responsible for the event type of customer requirements is registered to the Complex event processing engine, for the statement of event schema editor module generation event fast and event schema statement provide support;
The database link block, be responsible for receiving the input message from Database Systems, delivers to event checking module;
Incoming event stream adaptation module, be responsible for receiving real-time event stream by the event agent from the unified message distributing network;
Event checking module, the event that responsible detection receives, check whether have the event statement that meets definition and the complicated event whether event schema occurs; Wherein, event statement detecting unit is responsible for checking that whether generation event states described complicated event, and the event schema detecting unit is responsible for checking whether the described complicated event of event schema occurs;
The action listener module, the qualified complicated event of being responsible for event checking module is detected is carried out subsequent treatment;
Outgoing event stream adaptation module, be responsible for the result of action listener module is sent to the unified message distributing network by the interface requirement of publish/subscribe by the event agent.
6. the method for work of an event-driven, service-oriented Internet of Things service provider system, it is characterized in that: described method of work comprises following operating procedure:
(1) the various relevant parameters of sensing system perception and collection physical world, and send the access agency to by standard agreement;
(2) after access agency receives the image data from sensing system, use the concept set in the resource description model library and attribute by isomery or Proprietary Information all be converted to the event of unified standardization; Then, access proxy call event agent's publish/subscribe interface, be published to the unified message distributing network by event;
(3), after the event agent in the unified message distributing network receives the event of issue, the list of check and inspection topic of subscription, by this case distribution be routed to different event agents, then be responsible for sending event notice to the system of subscribing to this event by this event agent;
(4), after different event subscription persons receives the event notice of subscription, carry out corresponding following predetermined process flow process or action:
If event subscription person is the Complex event processing engine, the Complex event processing engine is detected according to predefined event schema and event statement, thus the output complicated event; And the unified message distributing network be forwarded to based on publish/subscribe mechanism via the access agency carries out subsequent treatment;
If event subscription person is historical data base, historical data base carries out sampling processing to the event received, and completes the persistent storage of data;
If event subscription person is the various internet of things service subsystems in this Internet of Things service provider system, the corresponding service flow process that this internet of things service system just triggers its subsystem is processed this event;
If event subscription person is Visualized Monitoring System, Visualized Monitoring System data or other information that this event is entrained is shown in the visual control interface in real time;
If event subscription person is warning system, the alarm level that warning system carries according to this event sends corresponding audible and visual alarm signal, and carries out corresponding alarm disposal process.
7. method according to claim 6 is characterized in that: in described step (2), a kind of flow process of access agent processes information is: receive from sensing system or other internet of things service systems the information collected and send to the unified message distributing network; Its concrete operations the contents are as follows:
(21) access agency receives the information of the particular message structure that external sensor system or other internet of things service system send by proprietary interface;
(22) Data Analysis/package module of access agency is responsible for resolving the agreement of this particular message, to obtain this Information Monitoring, and this information is converted into to the event format of standard by the resource mapping module; If in conversion process, if the situation that has the threshold value of image data to transfinite, the alarm event rule that digital sampling and processing is set according to the simple event processing module is judged the alarm grade, and by this alarm grade packaging in event;
(23) after digital sampling and processing is packaged as the event format of unified standard by this event, then by these events, the requirement according to event publish/subscribe interface is encapsulated by Data Analysis/package module;
(24) the access agency sends the event after encapsulation to the event agent module by the publish/subscribe interface.
8. method according to claim 6 is characterized in that: in described step (2), the another kind of flow process of access agent processes information is: from unified message distributing network reception information, send to event subscription person; Its concrete operations the contents are as follows:
(2A) the access agency receives by the publish/subscribe interface event notification message that the event agent sends;
(2B) access agency's data notification processing module, by Data Analysis/package module analysis protocol, is known this event information, and by the resource mapping module, the event format of standard is converted into to specific Proprietary Information;
(2C) by these events, the agreement regulation according to proprietary interface requires to be encapsulated by Data Analysis/package module to access the agency;
(2D) the access agency sends this event to sensing system or other internet of things service systems by proprietary interface.
9. method according to claim 6, it is characterized in that: described step (3) comprises following content of operation:
(31) after the issuing subject interface by the publish/subscribe interface receives event and gives out information as the event agent, carry out subsequent step (32); As the event agent, by the publish/subscribe interface, receive subscribe to/quit the subscription of/cancel theme message after, redirect execution step (35); ;
(32) event agent is saved in by the event matches module event received in topic list corresponding in issue event sets module;
(33) event agent by the event matches module, registered user's subscription table, the neighbours in the topic of subscription list block act on behalf of inquiry character in subscription table or bunch subscription table should the subscriber of event topic;
(34) event agent, according to the subscriber address of this theme inquired, sends to the subscriber by the event routing module by this event; If the subscriber is local registered client, the theme notification interface by the publish/subscribe interface directly is pushed to the subscriber; If the subscriber is neighbours act on behalf of or bunch agency by agreement, the event routing interface by communication interface between the event agent is transmitted to the agency by agreement of corresponding neighbours agency or this bunch; Return to again step (31);
(35) dissimilar according to subscriber's address judgement subscriber of event agent: local registered user, neighbours agency or bunch agency by agreement;
(36) event agent acts on behalf of in subscription table or bunch subscription table to registered user's subscription table, neighbours in the topic of subscription list block according to subscriber's type, by the event matches module, increases or the relevant topic of subscription item of deletion;
(37) event agent's subscription synchronization module is by the subscription sync cap of communication interface between the event agent, this subscribe to change information real-time synchronization in the unified message distributing network with other neighbor nodes in cluster with the agency by agreement of synchronous this bunch of the subscription between being responsible for bunch; Return to again step (31).
10. method according to claim 6, it is characterized in that: in described step (4), the handling process of Complex event processing engine comprises following content of operation:
(41) the event schema editor module receives the event statement of user's input or rule and the condition of event schema, for interested complicated event is filtered;
Described event statement is to adopt special event handling E Language PL(Event Processing Language) condition of variety of event, the association of event and the time window of crossing over are described, the user can also define interested event detection rules, i.e. statement; In addition, also can define some complicated event rules and identify different patterns; Generation for the statement of simplification event and event schema, the user is registered in the event type Registering modules in the Complex event processing engine by visualization interface by event type, the event type that the direct use case type of event schema editor module Registering modules provides, the statement of generation event fast and event schema;
(42) the event schema editor module is loaded into the statement of the event of generation and/or event schema respectively event statement detecting unit and/or the event schema detecting unit of event checking module;
(43) the Complex event processing engine flows adaptation module by incoming event and receives the real-time event stream from event agent in the unified message distributing network: comprise from the event of sensing system with from the business event of internet of things service system, incoming event stream adaptation module is responsible for the different event form that adaptation comprises XML or Java object, and the Complex event processing engine also can receive the data from Database Systems by the database link block;
(44) the Complex event processing engine adopts the pattern of storage event query statement and real time filtering data, after receiving the event of input, event statement detecting unit and event schema detecting unit in event checking module are filtered and polymerization flow of event respectively, once qualified event occurs, just trigger this event of action listener resume module corresponding to this event;
(45) the action listener module is monitored this event, and determines this event is taked to respective handling according to concrete application demand;
(46) the Complex event processing engine flows by outgoing event the complicated event form that adaptation module is adapted for standard by the result of action listener module, and complicated event is outputed to the event agent of unified message distributing network by the publish/subscribe interface.
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