CN101494578A - System for implementing programmable service combination facing end user - Google Patents
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- CN101494578A CN101494578A CNA2008100565904A CN200810056590A CN101494578A CN 101494578 A CN101494578 A CN 101494578A CN A2008100565904 A CNA2008100565904 A CN A2008100565904A CN 200810056590 A CN200810056590 A CN 200810056590A CN 101494578 A CN101494578 A CN 101494578A
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Abstract
The invention discloses an end-user programmable capability-orientated service packet realizing system. The service packet realizing system can realize high-efficient and reliable service packet in internet environment. In the invention, a service protocol is regarded as the natural expression of the service packet relationship with loop coupling, and a service network is established on the basis of the existing service by virtue of the inherent service protocol relationship among services, which can support the application environment with complex business collaboration characteristics, such as e-business and the like; furthermore, business domains are divided in the service network according to the protocol, and a programmable service network is established to support the programmable capability of the end-user, thus realizing the service packet according to needs.
Description
Technical field
The present invention relates to a kind of towards the programmable service combination of end user realization system, relate in particular to a kind of in e-commerce environment, in order to solve the individual demand that produces owing to user's dynamic change, serve the realization system of combination as required, belong to computer middleware Technology field.
Background technology
Service-oriented architecture (SOA) is based on a kind of method of service concept definition integrated system, it makes software be published, find, bind and to call based on service, for the application and development under the loosely-coupled network environment, resource-sharing and application integration provide new solution.Under the SOA framework, service and platform and language independent, self-described and self-contained loose coupling module, and follow international open standard protocol specification, service is described by WS DL, issue by UDDI, call by the soap message agreement, therefore service can be supported the cooperation between cross-domain different entities better for the mode that a kind of standard is provided alternately between heterogeneous system under the distributed environment.
Web service is applicable to that distributivity is strong, share the big application of demand, as ecommerce, E-Government etc.At present, on network, have more and more, stablize easy-to-use Web service, but the function that single Web service can provide is limited.And by unified technical specification, Web service can realize the unified functional representation of various software application on the network, shared, integrated and information exchange processing, is the best practices of service-oriented architecture (SOA).Therefore,, they are made up and work in coordination with, just become an emphasis of service-oriented research so that more powerful business function to be provided in order to utilize Web service more fully.
At present, serve the mainstream supplier who makes up series products on the market NetWeaver of IBM WebSphereBusiness Integration, SAP, Oracle BPEL workflow manager, BEA WebLogic Integration etc. are arranged.These products comprise instrument and the workflow template that is used for improving business operation, enterprise can be programmed into diverse management software and Web service in the miscellaneous service flow process, thereby use these instruments and flow template to come modeling.In the face of ERP, CRM, leave over different demands such as application, affiliate, above-mentioned service combination product is by single solution, and the production and the management of BPM and application integration function and simplification combined, and can realize business integration fast.
But above-mentioned service combination product still is a working flow products in itself, and what mainly solve is how to carry out enterprise's application integration based on the SOA framework.Yet along with the fast development of ecommerce, customer-centric realizes that the Real-Time Enterprise of " moving as required " has become the inexorable trend of development, and simple enterprise's application integration can not have been satisfied actual needs.In e-commerce environment, because the diversity of application and the dynamic of users ' individualized requirement make network application deepen constantly, a large amount of, dynamic Service Source has appearred.Thereby these services are made up fast, provided value added service efficiently, become the software development pattern under a kind of open the Internet environment.But, the logical order that existing service compound mode based on workflow need pre-defined service combination when design, and this logical order must be applicable to all users.Obviously, this mode can not adapt to the ecommerce scene that turns to principal character with the changeable and individual character of user's request.
Summary of the invention
In view of the existing in prior technology deficiency, the object of the present invention is to provide a kind of new towards the programmable service combination of end user realization system.The service combination that realizes by this system can make service combination provider that a definite workflow need not be provided in advance, and can be at the individual demand of run mode interpreting user, thereby realizes the service combination dynamically, desirably.
For realizing above-mentioned goal of the invention, the present invention adopts following technical scheme:
A kind of towards the programmable service combination of end user realization system, it is characterized in that:
Described service is made up the realization system and is comprised at least one serviced component, service domain management device and service network management door;
Described service domain management device, serviced component and service network management door are formed service network, and wherein said service domain management device is positioned at the internal layer of described service network, and described service network visit door is positioned on the border of described service network;
A plurality of described serviced components are formed a business domains, and each described business domains is managed by a described service domain management device, and described service domain management device is connected with described service network visit door.
Wherein, described serviced component is divided into two classes: the generic service component and the assembly of taking the initiative in offering a hand;
Described generic service component is only to support the serviced component of an agreement, and the external interbehavior of this serviced component is determined by the agreement of its support is unique;
The described assembly of taking the initiative in offering a hand is a serviced component of supporting a plurality of agreements simultaneously, and the compound mode of described a plurality of agreements is dynamically determined when moving by the user.
The a plurality of described serviced component that is positioned at same business domains is followed same agreement.
Described serviced component is encapsulated in respectively in each service container, and by the service broker's access service bus in the described service container.
Described service network visit door comprises service registry storehouse, service combiner, Topology Management device and network monitoring manager;
Described service combiner is used for service combination requestor's demand is become serviced component example capable of being combined;
Described Topology Management device is connected with described service domain management device, be used to safeguard the topological relation in the described service network, and the cooperation relation between the described business domains that will generate dynamically is uploaded to described service domain management device;
Described network monitoring manager is connected with described service combiner, is used to monitor the service quality of described serviced component and service combination, and notifies described service combiner to select standby serviced component example when service combination failure takes place.
Compare with existing service combination product, service provided by the present invention is made up the realization system and is had following characteristics:
1. adopt the mode of service protocol to portray relationship between services, can show the interactive relation of complexity, many bouts, thereby be more suitable for the E-business applications scene;
2. will have most centralized service combination now and change distributed service combination into, thereby strengthen the extensibility of system;
3. the service compound mode based on workflow of static state is changed into the service compound mode of dynamic explanation, can realize that the end user's is able to programme.
Description of drawings
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the architecture schematic diagram of service network of the present invention;
Fig. 2 is the architectural schematic of service network of the present invention;
Fig. 3 is a service combination schematic diagram of realizing the on-line purchase function of Credit Card Payments based on the present invention.
Embodiment
Core technology thought of the present invention has been to abandon traditional service groups syntype based on workflow, the anabolic process of service is carried out from the pre-defined dynamic explanation that changes when operation into, so that can be according to user's individual demand, dynamically generate the service anabolic process, satisfy the actual needs of ecommerce.
In order to realize above-mentioned technological thought, the present invention has at first made up an architecture that manageable service network is efficient as carrying out, service is reliably made up.By the management of this service network effectively being controlled serviced component in the service network and the interbehavior between each serviced component thereof.
At present, can formulate a large amount of general benchmark service agreements (hereinafter to be referred as agreement) usually at some comparatively ripe commercial fields, as RosettaNet.These protocol definitions the standard of issuing of service interaction, with the cooperation between the standard serviced component, the inconsistent service combination failure that causes of avoiding interbehavior.Since the reflection of these agreement natures participate in cooperation relation between each mutual serviced component, therefore in service network, serviced component can be considered as node, based on linking between the serviced component in the above-mentioned protocol construction service network.In addition, because close business objective is arranged, follow the serviced component of same agreement and can form cooperation business domains relatively closely according to its different role of taking on.This business domains based on agreement can be used for expressing the complex interaction relation between the existing service service that combination product was beyond expression of great majority.
In service network, when user's demand only related to single agreement, then the service combination only took place in the business domains, can abide by this agreement and serve combination automatically.But user's demand is comparatively complicated, often needs to stride the cooperation of a plurality of business domains under normal conditions.And, this user's request very personalization often again of striding business domains, and be difficult to predict.For this reason, distinguish two class serviced components in the service network among the present invention: the generic service component and the assembly of taking the initiative in offering a hand.Generic service component is only to support the serviced component of an agreement, and its external interbehavior can be by unique the determining of its agreement of supporting; The assembly of taking the initiative in offering a hand is supported a plurality of agreements simultaneously, and the compound mode of these agreements is by user's dynamically decision when moving.With respect to can only be according to the passive conventional method of setting that makes up of fixed service process, the present invention supports the able to programme of user by manageable service network, thereby dynamically changes the topological structure of service network, realizes the support to as required service combination.
Fig. 1 has shown the architecture of service network of the present invention.In this service network, disposed a series of functional unit:
1. service network is visited door
Service network visit door comprises the service registry storehouse of an overall situation, the module of service combiner, Topology Management device and four keys of network monitoring manager as the addressable point of manageable service network.Wherein, the service combiner is responsible for service combination person's demand is become one group of serviced component example capable of being combined; The Topology Management device is responsible for the topological relation in the maintenance service network, this Topology Management device not only needs to safeguard in each business domains between serviced component the link based on agreement, and when the demand more complicated, need striding a plurality of business domains, to carry out service groups fashionable, also generate the cooperation relation between business domains, and this cooperation relation dynamically is uploaded to the service domain management device; The network monitoring manager is responsible for the QoS (service quality) of monitor service assembly and service combination, and the notification service combiner is selected standby serviced component example when service combination failure takes place.
2. service domain management device
The service domain management device is responsible for the route between service combined running, management and the territory in the business domains as the execution engine of a center type.Present two aspects of the acting body of service domain management device: on the one hand, all need alternately to handle between the interior all serviced components of business domains by this service domain management device, also need result simultaneously according to the service combiner, make up corresponding serviced component example in this business domains, and the result is returned to the service network door; On the other hand, when demand relates to the combination of a plurality of agreements, cooperate, finish the combination of service jointly according to cross-domain cooperation relation and other service domain management device that the Topology Management device is dynamically uploaded.
With reference to shown in Figure 1, form a business domains by a plurality of serviced components, each business domains is managed and is controlled by an above-mentioned service domain management device respectively.The service domain management device is positioned at the internal layer of service network, and service network visit door is positioned on the border of service network.The service combination requestor of service network outside is by the use of visited service network visit door realization to serviced component.
Fig. 2 has shown the service network architecture on the enforcement aspect.This service network can be divided into application layer, service network management level and service network layer.Wherein application layer is one group of tool set towards end user and ISP; The service network management level are included as service network and safeguard, manage and serve the required a series of functional modules of combination; The service network layer mainly comprises various Service Sources and safeguards these Service Sources, and supports externally mutual necessary functional module of these services.The interacting message unification of service network layer and service NML inside and interlayer is transmitted by service bus.
The service network layer is static, the stable relatively part in the service network, comprises various Service Sources, and these Service Sources all carry out maintenance and management by service container.Dispose a service broker in each service container, and can comprise a plurality of serviced components.In practice, service container can use Apache Tomcat and Axis to realize.
Service container is a most important function assembly in the service network layer.It is as unique external reference point of Web service, has realized the function of taking the initiative in offering a hand with Web service, thereby makes the existing Web service that can only passively call change the entity that can dynamically change self function and behavior according to user's request into.
The major function of service broker in the service container is as follows:
1. based on the unified interface of serving of agreement
Even follow same agreement, the service of being developed by different tissues also has different interfaces, and this makes that the realization that realizes dynamic Service combination is very difficult.In order to address this problem, the service broker is mapped as a general interface with each user's interface according to standard agreement, thereby with agreement and separating that concrete service realizes, has shielded the isomerism of service.
2. realization dynamic recognition
The service broker can dynamically change mutual with it specific Service Instance and combination of protocols axiom according to user's configuration when operation.Based on the function of dynamic recognition, bigger virtual subnet of composition that a plurality of business domains can be as required, thus support changeable business demand flexibly.
The service network management level are to realize the key component of service network able to programme, mainly comprise service network visit door and base library two class functional parts.
Wherein, base library is made of service library, service combinatorial libraries and protocol library.Service library is to expand to form on the UDDI basis, supports UDDI Java API (UDDI4J), the QoS attribute that has mainly increased service with and the content of the interaction protocol supported.Protocol library is a protocol registration center, and related various basic protocol in the main service network have the interface of standard and allow the issue of agreement and search.The service combinatorial libraries is then preserved the service combination that has realized, when user's demand can realize by existing service combination, can directly use, and not need to carry out again a series of activities such as combination of protocols, services selection, service dynamic recognition, improve the execution efficient of service combination.
Service network visit door receives the combination request from the user as the function body of an overall situation, selects correct serviced component then and disposes corresponding serviced component agency.Service network access door householder will comprise these five functional units of service broker's notice, combination of protocols, services selection, watch-dog and service network operation, is respectively described below:
1. service broker's notification unit
In order to guarantee to serve the validity of combination, but the inventor has made up a service network with definite regulatory boundary.In service network, each expectation participates in the serviced component of service combination must promise to undertake the QoS that self can provide by service broker's notification unit.Service network visit door is an external reference point unique in the service network, that is to say, the user need submit to demand service network visit door to trigger the anabolic process of service.
2. combination of protocols unit
The combination of protocols unit is combined to form the combination protocol of an overall situation according to user's demand with a plurality of basic protocol, and generates the external reciprocal process of user side, sends to the user.
3. services selection unit
The description of relevant service comprises the QoS information of related protocol, and registers in the services selection unit.Therefore when receiving user's demand, the services selection unit is optimized the Service Instance that calculating is selected with decision, thereby satisfies user's demand to greatest extent.
Before the service combination is carried out, need an initialization procedure.In this process, each service broker of service combination is responsible for the Service Instance notice of selecting is participated in the services selection unit.In addition, the information of combination of protocols also is uploaded to corresponding service broker.
4. watch-dog
Watch-dog is responsible for the monitoring to service combination implementation status in the service network.When abnormal conditions occur, in time notify the user, and error message is sent to relevant network operation device carry out necessary processing.
5. service network maintenance unit
The function of this unit is to be responsible for the maintenance of base library.The historical information that it is mainly carried out according to service that watch-dog write down combination, the QoS information of update service and effective service example combinations.In addition, when basic agreement changed, the work such as consistency maintenance of agreement also were responsible in this unit.
In application layer, comprise one group of tool set.This group tool set comprises service requirements of combination modeling tool, service network access client and service and protocol registration instrument etc., and these instruments use soap message and service NML to communicate.Wherein, service requirements of combination modeling tool provides the service compositional modeling based on agreement, and the function in access protocal storehouse is provided.The service network access client is that the BPEL of a simplification carries out engine, after demand is submitted to service network visit door, receives the required external reciprocal process of end user that service network visit door is beamed back, and is configured automatically.Service and protocol registration instrument have then provided the visualization tool of registration, the reusable service of issue and an agreement for the ISP.
By the tool set that comprises in the application layer, can make service combination and exploitation person and end user serve work such as modeling with the establishment of the issue of agreement, service combination and execution, service requirements of combination based on service network.
Fig. 3 has shown when realizing using the on-line purchase function of Credit Card Payments, dynamically carries out the combination of on-line purchase agreement and Credit Card Payments agreement, thus the message interaction process that produces.This message interaction process is based on service provided by the present invention combination realization system, and to carry out service groups fashionable, an application example of the data flow of each intermodule and control flows relation.Wherein, the service behavior of businessman is for taking the initiative in offering a hand, and the service of remaining client, deliver goods merchant and bank is generic services, and SA represents the service broker.Different arrows is represented dissimilar message flows among the figure, the sequential relationship of numeral message.For discuss convenient for the purpose of, the inventor represents one group of message with two-way arrow, in addition, the inventor suppose service with and corresponding service broker be positioned on the same node, thereby ignore the service broker and serve between interacting message.
Realize the service combination of on-line purchase function, relevant message interaction process is such:
1. at first, the user submits to unique accessing points in the service network-service network visit door with demand.This demand will comprise the agreement of participation and the combination axiom of these agreements, and it is role and corresponding QoS demand in combination protocol.
2. when service network visit door is received request from the user, the at first selection of serving according to role's axiom and QoS information; Then combination protocol is resolved into user's external reciprocal process according to user's role, and this reciprocal process is sent to the user; At last, notice participates in the related service example of this service combination, and uploads corresponding data axiomatic set theory and message sequence axiom.
This service example combinations all be configured finish after, client and the businessman at first service broker (SA) by separately carry out alternately.In this process, will adopt purchasing contract formerly, comprise a plurality of interaction messages, query (Goodsname), itemList (itemIDlist), reqQuote (itemID), Quote (itemID, itemPrice) and Order (itemID, Token).
4. according to the message sequence axiom, client adopts the Credit Card Payments agreement to send creditcardInfo (cardID) message and gives businessman, so that credit card information to be provided receiving that businessman confirms after (perhaps receiving goods).
5. businessman sends Auth (cardID, amount) message to be triggering mutual with interbank, and receives Authconfirm (Token, amount) message.
Businessman send Receipt (cardID, amount, Token), with response client's creditcardInfo (cardID) message.
7. (Token, address) message send goods to client with notice deliver goods merchant to businessman's transmission client Info.
8. receive that from the deliver goods merchant (token, address) during message, whole service anabolic process is finished as client.
More than have been described in detail towards the programmable service of end user combination realization system of the present invention.For one of ordinary skill in the art, any conspicuous change of under the prerequisite that does not deviate from connotation of the present invention it being done all will constitute to infringement of patent right of the present invention, with corresponding legal responsibilities.
Claims (5)
1. one kind towards the programmable service of end user combination realization system, it is characterized in that:
Described service is made up the realization system and is comprised at least one serviced component, service domain management device and service network management door;
Described service domain management device, serviced component and service network management door are formed service network, and wherein said service domain management device is positioned at the internal layer of described service network, and described service network visit door is positioned on the border of described service network;
A plurality of described serviced components are formed a business domains, and each described business domains is managed by a described service domain management device, and described service domain management device is connected with described service network visit door.
2. as claimed in claim 1 towards the programmable service combination of end user realization system, it is characterized in that:
Described serviced component is divided into two classes: the generic service component and the assembly of taking the initiative in offering a hand;
Described generic service component is only to support the serviced component of an agreement, and the external interbehavior of this serviced component is determined by the agreement of its support is unique;
The described assembly of taking the initiative in offering a hand is a serviced component of supporting a plurality of agreements simultaneously, and the compound mode of described a plurality of agreements is dynamically determined when moving by the user.
3. as claimed in claim 2 towards the programmable service combination of end user realization system, it is characterized in that:
The a plurality of described serviced component that is positioned at same business domains is followed same agreement.
4. as claimed in claim 2 towards the programmable service combination of end user realization system, it is characterized in that:
Described serviced component is encapsulated in respectively in each service container, and by the service broker's access service bus in the described service container.
5. as claimed in claim 1 towards the programmable service combination of end user realization system, it is characterized in that:
Described service network visit door comprises service registry storehouse, service combiner, Topology Management device and network monitoring manager;
Described service combiner is used for service combination requestor's demand is become serviced component example capable of being combined;
Described Topology Management device is connected with described service domain management device, be used to safeguard the topological relation in the described service network, and the cooperation relation between the described business domains that will generate dynamically is uploaded to described service domain management device;
Described network monitoring manager is connected with described service combiner, is used to monitor the service quality of described serviced component and service combination, and notifies described service combiner to select standby serviced component example when service combination failure takes place.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101820428A (en) * | 2010-04-22 | 2010-09-01 | 北京航空航天大学 | Composite service optimizing method and device based on protocol composition mechanism |
| CN102970275A (en) * | 2012-08-08 | 2013-03-13 | 浙江树人大学 | Method for eliminating cross management domain service cooperation reliability crisis |
| CN103825909A (en) * | 2014-03-18 | 2014-05-28 | 青岛大学 | QoS (Quality of Service)-supported service registration method |
| CN103825908A (en) * | 2014-03-18 | 2014-05-28 | 青岛大学 | Service registration system supporting QoS |
| CN104937879A (en) * | 2013-01-28 | 2015-09-23 | 瑞典爱立信有限公司 | Method and apparatus for placing services in a network |
| CN108681580A (en) * | 2018-05-11 | 2018-10-19 | 郑州轻工业学院 | A kind of Services Composition recommendation method based on link prediction |
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- 2008-01-22 CN CNA2008100565904A patent/CN101494578A/en active Pending
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| 李杨等: "一个基于服务层叠网的分层服务组合框架", 《软件学报》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101820428A (en) * | 2010-04-22 | 2010-09-01 | 北京航空航天大学 | Composite service optimizing method and device based on protocol composition mechanism |
| CN102970275A (en) * | 2012-08-08 | 2013-03-13 | 浙江树人大学 | Method for eliminating cross management domain service cooperation reliability crisis |
| CN102970275B (en) * | 2012-08-08 | 2015-06-17 | 浙江树人大学 | Method for eliminating cross management domain service cooperation reliability crisis |
| CN104937879A (en) * | 2013-01-28 | 2015-09-23 | 瑞典爱立信有限公司 | Method and apparatus for placing services in a network |
| CN104937879B (en) * | 2013-01-28 | 2019-08-30 | 瑞典爱立信有限公司 | Method and apparatus for placing service in a network |
| CN103825909A (en) * | 2014-03-18 | 2014-05-28 | 青岛大学 | QoS (Quality of Service)-supported service registration method |
| CN103825908A (en) * | 2014-03-18 | 2014-05-28 | 青岛大学 | Service registration system supporting QoS |
| CN108681580A (en) * | 2018-05-11 | 2018-10-19 | 郑州轻工业学院 | A kind of Services Composition recommendation method based on link prediction |
| CN108681580B (en) * | 2018-05-11 | 2019-06-28 | 郑州轻工业学院 | A kind of Services Composition recommended method based on link prediction |
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Application publication date: 20090729 |