CN104954232A - Method and device for service combination in network - Google Patents

Method and device for service combination in network Download PDF

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Publication number
CN104954232A
CN104954232A CN201410123521.6A CN201410123521A CN104954232A CN 104954232 A CN104954232 A CN 104954232A CN 201410123521 A CN201410123521 A CN 201410123521A CN 104954232 A CN104954232 A CN 104954232A
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service
atomic
atomic service
group
combination
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晏强
黄承曦
邓建勋
蔡鸿明
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Hangzhou Huawei Enterprises Communications Technologies Co Ltd
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Hangzhou Huawei Enterprises Communications Technologies Co Ltd
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Abstract

The embodiment of the invention provides a method and device for service combination in a network, and the method comprises the steps: receiving a service request; matching a group of atomic service with a service request according to a service semantic model; carrying out the combination of the group of atomic service, and obtaining a function; and executing the function after combination. In the embodiment of the invention, through the receiving of the service request, the group of atomic service corresponding to the service request is matched according to the service semantic model. Moreover, the group of atomic service is combined, and the function after combination is obtained and then is carried out. The method and device integrate the service of different sources through semantics, thereby quickly achieving the service combination. Moreover, there is no need of analysis from a code layer, thereby reducing the development time.

Description

The method of Services Composition and device in network
Technical field
The present invention relates to network technology, particularly relate to method and the device of Services Composition in a kind of network.
Background technology
Along with the growth of globalization business collaboration demand, require traditional, be confined to histioid application and change to that cross over multiple cooperation tissue, integrated network cooperating application.Service oriented computing technology is solve Heterogeneity within the scope of wide area network in application integration and structure dynamically, under open environment the integra-tion application of loose coupling provides feasible solution.But single service can only represent limited business function, business collaboration demand complicated between enterprise can not be met, so prior art proposes Services Composition technology.Particularly, Services Composition technology is intended to the border of leap technology and tissue, and Seamless integration-is distributed in various services on wide area network, builds value-added service application.
In prior art, for the specific implementation of Services Composition, propose a kind of serviced component framework (Service Component Architecture, be called for short SCA), SCA can build system needed for Services Oriented Achitecture (Service-oriented architecture, be called for short SOA) and application easily and quickly.Wherein, SCA proposes a kind of Combination application (Composite Applications) concept, the various service meeting SOA specification can be comprised in this Combination application, also can be other Combination application built, by programming mode flexibly in SCA, Rapid Combination various required application program can be gone out.
But, adopt prior art, staff must manually write a SCA workpiece to realize Services Composition, and prerequisite be the service manually coming specifically to comprise in matched and searched Services Composition.Due to service wide material sources, there is the problems such as service variation, but the method implementation procedure of prior art is difficult to realize.
Summary of the invention
The embodiment of the present invention provides method and the device of Services Composition in a kind of network, is difficult to realize the problem of Services Composition for solving in prior art.
Embodiment of the present invention first aspect provides the method for Services Composition in a kind of network, comprising:
Receive service request;
According to service semantics model, match one group of atomic service that described service request is corresponding;
Described one group of atomic service is combined, obtains the function after combination;
Perform the function after described combination.
In conjunction with first aspect, in the first possible execution mode of first aspect, before described reception service request, also comprise:
Set up described service semantics model, wherein, described service semantics model comprises: the semantic description that each atomic service is corresponding, and atomic service, function, corresponding relation between scene.
In conjunction with the first possible execution mode of first aspect, in the execution mode that the second of first aspect is possible, semantic description corresponding to described each atomic service comprises: the input of each described atomic service, output, precondition and impact.
In conjunction with the execution mode that the second of first aspect is possible, in the third possible execution mode of first aspect, described according to service semantics model, match one group of atomic service that described service request is corresponding, comprising:
Obtain service corresponding to described service request to export;
In described service semantics model, go out to export one group of atomic service for described service exports according to described service output matching.
In conjunction with the third possible execution mode of first aspect, in the 4th kind of possible execution mode of first aspect, described according to service semantics model, before matching one group of atomic service corresponding to described service request, also comprise:
Described service request is converted to the semantic description form in described service semantics model.
In conjunction with the third possible execution mode of first aspect, in the 5th kind of possible execution mode of first aspect, described described one group of atomic service to be combined, comprising:
According to the input/output relation in described one group of atomic service between each atomic service, by described atomic service tandem compound in order.
In conjunction with the 5th kind of possible execution mode of first aspect or first aspect, in the 6th kind of possible execution mode of first aspect, described described one group of atomic service to be combined, before obtaining the function after combination, also comprises:
According to the input/output relation in described one group of atomic service between each atomic service, generate the interface matched between each atomic service.
In conjunction with first aspect, in the 7th kind of possible execution mode of first aspect, described described one group of atomic service to be combined, after obtaining the function after combination, also comprises:
At least one atomic service in described one group of atomic service is replaced with new atomic service, obtains new atomic service combination.
In the embodiment of the present invention, by receiving service request, according to service semantics model, matching one group of atomic service that service request is corresponding, and this group atomic service is combined, obtain the function after combination, then perform this function.Achieve the service of being merged separate sources by semanteme, thus realize Services Composition fast, and without the need to analyzing from code aspect, substantially reduce the number the development time.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the embodiment of the method one of Services Composition in network provided by the invention;
Fig. 2 is the schematic flow sheet of the embodiment of the method two of Services Composition in network provided by the invention;
Fig. 3 is the structural representation of the device embodiment one of Services Composition in network provided by the invention;
Fig. 4 is the structural representation of the device embodiment two of Services Composition in network provided by the invention;
Fig. 5 is the structural representation of the device embodiment three of Services Composition in network provided by the invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the schematic flow sheet of the embodiment of the method one of Services Composition in network provided by the invention, and as shown in Figure 1, the method comprises:
S101, reception service request.
Can comprise in this service request: the output etc. of the functional description of this service, input that this service can provide, this service expectation.
S102, according to service semantics model, match one group of atomic service that above-mentioned service request is corresponding.
Atomic service refers to the least unit that description one is served.
Particularly, service semantics model can comprise: the semantic description that each atomic service is corresponding, and atomic service, function, corresponding relation between scene.
The problem that Service Matching can solve interface versatile fusion is well carried out based on semantic description, such as, the addresses of items of mail of separate sources, may be expressed as " mail_address ", also may be expressed as " MAILADDRESS ", adopt prior art, and do not know these the two kinds concepts representing TYP, but just can know that " mail_address " is equivalent to " MAILADDRESS " based on semantic description.Such as, " mail_address " belongs to personal information class, newly add " MAILADDRESS " and only need show that " MAILADDRESS " is of equal value with " mail_address " afterwards, " MAILADDRESS " other incidence relation in service semantics model just generates all automatically, also just automatically assert that " MAILADDRESS " belongs to personal information class.Which save a lot of manual working.
S103, above-mentioned one group of atomic service to be combined, obtain the function after combination.
This function is the real demand of above-mentioned service request.
Function after S104, execution combinations thereof.
In the present embodiment, by receiving service request, according to service semantics model, matching one group of atomic service that service request is corresponding, and this group atomic service is combined, obtain the function after combination, then perform this function.Achieve the service of being merged separate sources by semanteme, thus realize Services Composition fast, and without the need to analyzing from code aspect, substantially reduce the number the development time.
Further, before above-mentioned reception service request, can also comprise: set up above-mentioned service semantics model.Particularly, this service semantics model can comprise: the semantic description that each atomic service is corresponding, and atomic service, function, corresponding relation between scene.
More specifically, semantic description corresponding to above-mentioned each atomic service comprises: the input (Input) of each atomic service, export (Output), precondition (Precondition), impact (Effect), hereinafter referred to as IOPE.
It should be noted that, semantic description corresponding to above-mentioned each atomic service can be for each atomic service sets up an extend markup language (eXtensible Markup Language, be called for short XML) document, and pass through the IOPE of the correspondingly each service of label for labelling.
In addition, network ontology language (Web Ontology Language, be called for short OWL) can be adopted to build corresponding relation between above-mentioned atomic service, function, scene.Particularly, 3 levels can be divided into describe, wherein, the concept of atomic service Shi basic unit, each function can be made up of multiple atomic service, and each scene can be made up of multiple function.In service semantics model, determine the relation between them by the vocabulary, class, attribute etc. of description atomic service, function, scene.When having new service, function, scene to occur, only the new vocabulary wherein occurred need be added in above-mentioned service semantics model.
Further, on the basis of above-described embodiment, above-mentioned according to service semantics model, match one group of atomic service that above-mentioned service request is corresponding, be specially: obtain service corresponding to above-mentioned service request and export.In service semantics model, go out to export one group of atomic service for above-mentioned service exports according to this service output matching.Namely mate forward from output, illustrate, service corresponding to above-mentioned service request exports as A, the service that then matches exports the atomic service B for A, and then match the atomic service C that service exports the input for atomic service B, the like, until match the service being input as input corresponding to described service request, just match one group of atomic service.Like this, suitable Services Composition can be gone out by Rapid matching according to service request, reduce development difficulty.
In specific implementation process, can fuzzy matching be adopted, namely not need strict coupling in matching process, as long as match the service that there is inclusion relation.Such as, the atomic service of actual needs is addresses of items of mail, and addresses of items of mail is the sub-concept of catalogue of writing to each other, and in matching process, may match catalogue of writing to each other.Finally can utilizing ontology inference, clearly actual what will mate is addresses of items of mail.
It should be noted that, according to service semantics model, before matching one group of atomic service corresponding to above-mentioned service request, also comprise: above-mentioned service request is converted to the semantic description form in above-mentioned service semantics model.Be converted to the form consistent with the atomic service of semantic description by service request, can be specifically: the IOPE of service request is converted to existing vocabulary, and is recorded as reference format.In previous example, the IOPE of service request can be converted to existing vocabulary, and be recorded as XML format.
Further, above-mentioned above-mentioned one group of atomic service to be combined, be specially: according to the input/output relation in this group atomic service between each atomic service, by above-mentioned atomic service tandem compound in order.Such as: C → B.
Particularly, ontology inference can be utilized to obtain the input/output relation between above-mentioned one group of atomic service.
More specifically, before above-mentioned one group of atomic service being combined, according to the input/output relation in this group atomic service between each atomic service, the interface matched between each atomic service is generated.
In specific implementation process, after determining the input and output of each atomic service, first judge whether there is the unmatched situation of interface between the atomic service that input and output connect, if inherently mate, then directly combine.If itself does not mate, then automatically generate the interface matched.
In specific implementation process, above-mentioned service combination information is generated SCA workpiece.More specifically, SCA standard workpiece, originally as XML file, adds the labels such as the semantic description of docking port, COS description, service describing wherein, so just can directly generate SCA workpiece according to service combination information.
In the present embodiment, achieving staff without the need to understanding the fractionation relation of each interface again, also without the need to manually carrying out Interface Matching, saving a large amount of artificial.
The embodiment of the present invention is applicable to Unified Communication (Unified Communication, be called for short UC) field, and the maximum feature in UC field is service wide material sources, can be internal services and external service by service differentiation.These two kinds services can be identical in functional description, but due to service the level that calls there are differences, in the description of interactive interface, there is certain difference in them.Wherein, inner service unification is realized by SCA component, and external service can form inner SCA workpiece by package component.
The embodiment of the present invention is mainly for the management maintenance part in UC field.For the service of separate sources, will inevitably occur on service implementation, in data organizational structure, the first-class many-sided difference of naming method, this species diversity causes when Services Composition, directly they can not be connected, and in the embodiment of the present invention, based on service semantics model, by carrying out semantic description to each atomic service, based on the contact between these atomic service of semantic level quick obtaining, thus can combine.In the embodiment of the present invention, existing atomic service is utilized to be combined into service needed for service request as far as possible.
Fig. 2 is the schematic flow sheet of the embodiment of the method two of Services Composition in network provided by the invention, and with instant messaging (Instant Message is called for short IM), for example illustrates preceding method, the method comprises:
S201, reception service request, this service request is for asking IM.
S202, the semantic description form above-mentioned service request is converted in service semantics model.IOPE in service request is converted to existing vocabulary, and is recorded as semantic description form, such as XML document.
In this example, IM is input as: the message that user sends; Precondition is: receiving party is online; Impact is: disconnect, and namely the final output of IM is off connection.
S203, according to service semantics model, match the one group atomic service corresponding with above-mentioned service request.
Particularly, ontology inference and/or Service Combination Algorithm can be utilized to obtain corresponding atomic service.
Mate forward from above-mentioned output " disconnects ", atomic service " transmission data " is matched according to " disconnecting ", and " transmission data " be input as " formatted data ", thus match atomic service " formatted data ", the like, and then match atomic service " establishment data queue ", " obtain and connect " successively.
S204, input/output relation according to above-mentioned one group of atomic service, generate the interface matched between each atomic service.
5 atomic service of above-mentioned acquisition are followed successively by " acquisition connection → establishment data queue → formatted data → transmission data → disconnect " according to input/output sequence, need, generate the interface matched according to the combination between atomic service.The output such as obtaining connection is connected with the input creating data queue, sees whether the interface between them mates, if coupling, directly combines, if do not mated, generates the interface matched, then combine.
S205, above-mentioned one group of atomic service to be combined.Get up by above-mentioned 5 atomic service tandem compounds, just get an IM function meeting us and require.
S206, the service combination information after combination and Interface Matching information are generated SCA workpiece preserve output.
Further, based on previous embodiment, above-mentioned one group of atomic service to be combined, after obtaining the function after combination, at least one atomic service in above-mentioned one group of atomic service can also be replaced with new atomic service, obtain new atomic service combination.Namely can improve aforementioned service combination and obtain new service function.Such as, for in aforementioned IM example, after combining and obtaining IM function, realize new " deferred information " service function, only " the transmission data " in above-mentioned 5 atomic service need be replaced with " storage data ", namely new Services Composition is " acquisition connection → establishment data queue → formatted data → storage data → disconnect ", after replacement, if find that the atomic service interface that " storage data " are connected with front and back does not mate, the interface that automatic generation matches, if coupling itself, directly combines.And if to develop in prior art new service must obtain accent exploitation, adopt the present embodiment, manual working can be saved in a large number.
Fig. 3 is the structural representation of the device embodiment one of Services Composition in network provided by the invention, and as shown in Figure 3, this device comprises: receiver module 301, matching module 302, composite module 303 and Executive Module 304.Wherein:
Receiver module 301, for receiving service request.
Matching module 302, for according to service semantics model, matches one group of atomic service that described service request is corresponding.
Composite module 303, for described one group of atomic service being combined, obtains the function after combination.
Executive Module 304, for performing the function after described combination.
This device is for performing preceding method embodiment, and it realizes principle and technique effect is similar, does not repeat them here.
Fig. 4 is the structural representation of the device embodiment two of Services Composition in network provided by the invention, on the basis of Fig. 3, this device can also comprise: set up module 401, for setting up described service semantics model, wherein, described service semantics model comprises: the semantic description that each atomic service is corresponding, and atomic service, function, corresponding relation between scene.
Particularly, the semantic description that described each atomic service is corresponding comprises: the input of each described atomic service, output, precondition and impact.
Further, above-mentioned matching module 302, exports specifically for obtaining service corresponding to described service request; In described service semantics model, go out to export one group of atomic service for described service exports according to described service output matching.
With reference to Fig. 4, on the basis of Fig. 3, said apparatus can also comprise: modular converter 402, for described service request being converted to the semantic description form in described service semantics model.
Combinations thereof module 303, specifically for according to the input/output relation in described one group of atomic service between each atomic service, by described atomic service tandem compound in order.
With further reference to Fig. 4, on the basis of Fig. 3, said apparatus can also comprise: generation module 403, for according to the input/output relation in described one group of atomic service between each atomic service, generates the interface matched between each atomic service.
Further, composite module 303, also at least one atomic service in described one group of atomic service is replaced with new atomic service, obtains new atomic service combination.
This device is for performing preceding method embodiment, and it realizes principle and technique effect is similar, does not repeat them here.
Fig. 5 is the structural representation of the device embodiment three of Services Composition in network provided by the invention, and as shown in Figure 5, this device comprises: receiver 501 and processor 502.Wherein:
Receiver 501, for receiving service request.
Processor 502, for according to service semantics model, matches one group of atomic service that described service request is corresponding; Described one group of atomic service is combined, obtains the function after combination; Perform the function after described combination.
Further, processor 502, for setting up described service semantics model, wherein, described service semantics model comprises: the semantic description that each atomic service is corresponding, and atomic service, function, corresponding relation between scene.
It should be noted that, semantic description corresponding to described each atomic service comprises: the input of each described atomic service, output, precondition and impact.
Processor 502, exports specifically for obtaining service corresponding to described service request; In described service semantics model, go out to export one group of atomic service for described service exports according to described service output matching.
Processor 502, is also converted to the semantic description form in described service semantics model by described service request.
Processor 502, specifically for according to the input/output relation in described one group of atomic service between each atomic service, by described atomic service tandem compound in order.
Further, processor 502, for according to the input/output relation in described one group of atomic service between each atomic service, generates the interface matched between each atomic service.
Processor 502, also at least one atomic service in described one group of atomic service is replaced with new atomic service, obtains new atomic service combination.
This device is for performing preceding method embodiment, and it realizes principle and technique effect is similar, does not repeat them here.
In several embodiment provided by the present invention, should be understood that, disclosed apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that hardware also can be adopted to add SFU software functional unit realizes.
The above-mentioned integrated unit realized with the form of SFU software functional unit, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) or processor (processor) perform the part steps of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (16)

1. the method for Services Composition in network, is characterized in that, comprising:
Receive service request;
According to service semantics model, match one group of atomic service that described service request is corresponding;
Described one group of atomic service is combined, obtains the function after combination;
Perform the function after described combination.
2. method according to claim 1, is characterized in that, before described reception service request, also comprises:
Set up described service semantics model, wherein, described service semantics model comprises: the semantic description that each atomic service is corresponding, and atomic service, function, corresponding relation between scene.
3. method according to claim 2, is characterized in that, semantic description corresponding to described each atomic service comprises: the input of each described atomic service, output, precondition and impact.
4. method according to claim 3, is characterized in that, described according to service semantics model, matches one group of atomic service that described service request is corresponding, comprising:
Obtain service corresponding to described service request to export;
In described service semantics model, go out to export one group of atomic service for described service exports according to described service output matching.
5. method according to claim 4, is characterized in that, described according to service semantics model, before matching one group of atomic service corresponding to described service request, also comprises:
Described service request is converted to the semantic description form in described service semantics model.
6. method according to claim 4, is characterized in that, describedly described one group of atomic service is combined, and comprising:
According to the input/output relation in described one group of atomic service between each atomic service, by described atomic service tandem compound in order.
7. the method according to claim 1 or 6, is characterized in that, describedly described one group of atomic service is combined, and before obtaining the function after combination, also comprises:
According to the input/output relation in described one group of atomic service between each atomic service, generate the interface matched between each atomic service.
8. method according to claim 1, is characterized in that, describedly described one group of atomic service is combined, and after obtaining the function after combination, also comprises:
At least one atomic service in described one group of atomic service is replaced with new atomic service, obtains new atomic service combination.
9. the device of Services Composition in network, is characterized in that, comprising:
Receiver module, for receiving service request;
Matching module, for according to service semantics model, matches one group of atomic service that described service request is corresponding;
Composite module, for described one group of atomic service being combined, obtains the function after combination;
Executive Module, for performing the function after described combination.
10. device according to claim 9, is characterized in that, also comprises:
Set up module, for setting up described service semantics model, wherein, described service semantics model comprises: the semantic description that each atomic service is corresponding, and atomic service, function, corresponding relation between scene.
11. devices according to claim 10, is characterized in that, semantic description corresponding to described each atomic service comprises: the input of each described atomic service, output, precondition and impact.
12. devices according to claim 11, is characterized in that, described matching module, export specifically for obtaining service corresponding to described service request; In described service semantics model, go out to export one group of atomic service for described service exports according to described service output matching.
13. devices according to claim 12, is characterized in that, also comprise:
Modular converter, for being converted to the semantic description form in described service semantics model by described service request.
14. devices according to claim 12, is characterized in that, described composite module, specifically for according to the input/output relation in described one group of atomic service between each atomic service, by described atomic service tandem compound in order.
15. devices according to claim 9 or 14, is characterized in that, also comprise:
Generation module, for according to the input/output relation in described one group of atomic service between each atomic service, generates the interface matched between each atomic service.
16. devices according to claim 9, is characterized in that, described composite module, also at least one atomic service in described one group of atomic service is replaced with new atomic service, obtain new atomic service combination.
CN201410123521.6A 2014-03-28 2014-03-28 Method and device for service combination in network Pending CN104954232A (en)

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