CN103164225B - A kind of network configuration software architecture online evolution method based on hypergraph - Google Patents
A kind of network configuration software architecture online evolution method based on hypergraph Download PDFInfo
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Abstract
A kind of network configuration software architecture online evolution method based on hypergraph of the present invention, mainly in order to solve evolution problem that is unified in large-scale complex software systems, that coordinate, belongs to software technology field.The method comprises: component is divided into basic component layer, business component layer, application component layer; Component is present in the static fields of different field, and user's application is in dynamic domain; Directed Hypergraph is used to represent the architecture of network configuration software; On the basis that architecture hypergraph represents, utilize the character of hypergraph, solve the evolution problem such as additions and deletions, replacement, migration of component or web member.The present invention can realize the extensibility of software architecture, ensures the Adaptive evolution of large-scale complex software systems.
Description
Technical field
The present invention relates to a kind of network configuration software architecture online evolution method based on hypergraph, belong to software maintenance technology field.
Background technology
Component refers to that semanteme is complete, grammer correct, has the unit software of reusable value, and be the system that can specify identification in software reuse process, in structure, it is the complex of semantic description, communication interface and code.Network configuration software is Internet epoch a kind of new software forms, comprise that a component is distributed in each node under Internet environment, that there is subject highlighting feature component, and one group for supporting the web member that these software entitys carry out working in coordination with various interactive mode.Along with the scale of software systems is increasing, its problem such as availability, reliability is more and more difficult to ensure.While reply external environment condition and user's request change, still can provide service continuously in order to ensure component, researcher proposes the method for some online evolutions.At present, be the research to component online evolution mostly, the research that the architecture for the overall situation carries out online evolution is relatively less.
Through finding that to the retrieval of prior art Chinese Patent Application No. 01136385.1 describes a kind of online evolution method of component-based software.The fine granularity administrative mechanism of component is set up by introducing the synchronous regime of component, current floe condition and buffer status, utilize the method for the new loading procedure of structure, carry out component heavy duty by component interface, achieve the operation such as replacement, increase, deletion carrying out component in software running process.The method only considers the evolution mode of this small grain size of component, does not relate to the evolution of architecture.
Further retrieval finds, Chinese Patent Application No. 200910044524.x, describe a kind of software trust ensuring method based on system structure evolution, each to perception in the software environment procedure of adaptation, decision-making and execution stage is encapsulated as perception component, tactful connexon and behavior component, saves software architecture model and support its online modification.But the architecture of the method is mainly reflected in consistency maintenance parts, do not consider how to adjust Local Members for architectural variations when the evolution of component.
Further retrieval finds, Chinese Patent Application No. 201010530576.0, describe a kind of component online evolution method based on affairs, based on the transactional relationship between relevant multiple components, leading subscriber can on-the-fly modify member status by controller, under the prerequisite that systems stay runs, the inner structure, behavior etc. of component are dynamically updated.Same, the method is not considered to develop based on architecture yet.
In addition, in network configuration software, large complicated software needs to be made up of huge component, and component forms software by the web member dependence that connects, the binary relation not just between two components that web member is set up also can be the dependence between multiple component.If use common figure to represent the architecture be made up of crisscross component, during generation, expense is very large, and system figure is huge not easily processes.
In sum, in order to realize the extensibility of software architecture, ensure the Adaptive evolution of large-scale complex software systems, the complex software online evolution based on architecture is one of difficult point of network configuration software research.
Summary of the invention
The technology of the present invention is dealt with problems: in order to solve above-mentioned difficulties, provides a kind of network configuration software system structure evolution method based on hypergraph, realizes the extensibility of software architecture, ensures the Adaptive evolution of large-scale complex software systems.
The technology of the present invention solution comprises: component is divided into basal layer component, operation layer component and application layer component from bottom to top; Component is present in the static fields of different field, and the application software of user is in dynamic domain; Directed Hypergraph is used to represent the architecture of network configuration software; On the basis that architecture hypergraph represents, utilize the character of hypergraph, solve the evolution problem such as additions and deletions, replacement, migration of component or web member.
Component layering specifically comprises: component is divided into three layers from bottom to top: basal layer component, operation layer component and application layer component.Basal layer component is generally do not relate to the general basic component of a class of business or domain knowledge; Operation layer component is generally by basic component, again with the first grade member of field related service information; Application layer component is generally according to user's request, the coarsegrain component formed by composite service component.Set up in layer by web member, the dependence of interlayer component.
Static fields, dynamic domain be specifically: the field of component belonging to it of operation layer and application layer is deposited in different static fields respectively.By the component in link static fields in the dynamic domain of user, add user-dependent configuration information, form the application software of user.
Directed Hypergraph is used to represent that the architecture of network configuration software specifically comprises: by the configuration information of the component information that has in reading element storehouse and user application software, the hypergraph setting up architecture represents.In order to the situation that display member is disposed, using infrastructure as the bottom in architecture, by all components of super limit connection server and its deploy.In order to the situation that display member is disposed, using the architecture bottom of infrastructure as network configuration software, connected all components of infrastructure and infrastructure deploy by super limit
Therefore, in the architecture hypergraph of network configuration software of the present invention represents, the application of summit representative of consumer, component, server, super limit represents web member, and super limit establishes the dependence between multiple summit.Have three class hypergraphs:
(1) hypergraph of all component formation, have expressed between basal layer, operation layer, application layer and the dependence of each level internals;
(2) hypergraph that in static fields, each field is formed, have expressed the logical relation between the business component of field;
(3) hypergraph of each user in dynamic domain, embodies user and applies the situation using component.
Utilize hypergraph to solve evolution problem specifically to comprise:
The increase of component: be divided into the redaction increasing component and increase component.
Fashionable when there being new structural member to add, the level belonging to component, adds summit in the layer that hypergraph is corresponding, if this component has other components of dependence, then needs to set up super limit.
The different editions of component shows as the object on summit in hypergraph.When the redaction of existing component adds component base, first this summit is found, if redaction is the correction to original component mistake, then transfer the replacement problem of component to, if redaction adds function, the object that then component instantiation one is new for this reason, and to using the user of this component legacy version to send message, whether inquiry replaces legacy version.
The deletion of component: be divided into a certain version deleted component and delete component.
When deleting a certain version of component, first need determine dynamic domain or this component place layer and whether depend on this version with the component in upper strata, if Existence dependency, then can not delete, if there is no rely on, according to the version information of this component, delete the object of respective vertices in hypergraph.
When deleting component, first delete all objects on this summit, namely perform step and delete the version of component, then, the super limit of deleting this summit and setting up with lower floor summit.
The replacement of component: when mistake appears in component inside, need to enable new structural member and problem component is replaced.In order to ensure the normal operation of system, before replacement, obtain other components complementary of component therewith by hypergraph, whether interface, parameter between checking component mate, and can carry out replacement operation afterwards just be proved to be successful.
The migration of component: when Component runtime CPU, memory usage are high, the or when response time of component, reliability QoS index can not meet the requirement of user, needs component to move to the external environment condition such as CPU, internal memory preferably in infrastructure.First, the summit representing this component is found in hypergraph, search the object that the function, the interface that whether there is component therewith and realize are consistent, if had, judge whether this object meets the demand of user, then in hypergraph, obtain all super limit directly depending on problem component, namely revise the configuration of web member, allow web member point to this object; Otherwise, need this component to be moved in the infrastructure meeting user's qos requirement, and amendment directly depends on the web member information of this component, points to the new address residing for this component.
All can real-time update is corresponding online hypergraph after having developed.
In order to reduce algorithm computation complexity, hypergraph being converted to bigraph (bipartite graph): add a class and surpass limit vertex set, setting up the contact between original vertices by the super limit of replacement, this summit.Like this, only have a limit from the beginning to flow out sensing summit, limit in summit all the time, only need two steps backtrackings just can find the summit depending on it.
The present invention's advantage compared with prior art and good effect as follows:
(1) the present invention by link static fields in component in the dynamic domain of user, all users share and use component, as long as add the configuration information of user, just can form the application system of user, do not need for User Exploitation system, when user's request changes, only need amendment configuration information or carry out evolution to component to meet, realize the extensibility of software architecture, ensure the Adaptive evolution of large-scale complex software systems.
(2) the present invention is based on hypergraph and carry out Software Architecture Evolution, can set up dependence between multiple component by a super limit, it is more clear that the division of level makes to develop.The different hypergraphs that three dimensions are formed are applied by component, territory, user, can the one-piece construction of omnibearing assurance complex software and Dynamic Evolution.
(3) in the present invention, hypergraph is converted to bigraph (bipartite graph) to carry out solving calculating, greatly reduces algorithm complex.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention process flow diagram;
Fig. 2 is that the present invention uses hypergraph to represent the schematic diagram of network configuration software architecture;
Fig. 3 is the schematic diagram that hypergraph is transformed to bigraph (bipartite graph) by the present invention;
Fig. 4 is the hypergraph expression figure of a certain user's application that the present invention obtains.
Embodiment
Below in conjunction with Figure of description, the specific embodiment of the present invention is described in detail.
As shown in Figure 1, the network configuration software architecture online evolution method based on hypergraph that the embodiment of the present invention is set up, is completed by following process:
(1) network configuration software architecture is built: component is divided into basal layer component, operation layer component and application layer component from bottom to top, component information is kept in component base.The application software of user is in dynamic domain, is made up of, have recorded the requirements such as the annexation of required component, response time in configuration file configuration file and required component.The field of component belonging to it of operation layer and application layer is deposited in different static fields respectively, by the component in link static fields in the dynamic domain of user, adds user-dependent configuration, forms the application software of user.
(2) Directed Hypergraph is used to represent the architecture of network configuration software: by the configuration information of the component information that has in reading element storehouse and user application software, the hypergraph setting up architecture represents.Summit representative of consumer application, component, infrastructure, super limit represents web member, and super limit establishes the dependence between multiple summit.
(3) when there being new user to add described internetware system, I and the relevant information of applying for Structural application software is first filled in, as my name, company, Apply Names, affiliated field etc.; The component that in static fields, user's application business is relevant is therewith recommended user and is selected by system; User selects business component, is linked in the dynamic domain of oneself, and the information such as flow process, constraint between configuration interface, component.Then, system carries out step one and step 2 operation, and user just can use this application software.According to configuration information, generate the hypergraph of this user application, join in whole architecture.
(4) the network configuration software architecture based on hypergraph is monitored, when perceiving user's request or external environment condition change, utilizing the character of hypergraph, solving the evolution problem such as additions and deletions, replacement, migration of component:
A. the increase of component: be divided into the redaction increasing component and increase component.
Fashionable when there being new structural member to add, according to component information, in the corresponding layer of hypergraph, add summit, if this component has other components of dependence, then need to set up super limit.
The different editions of component shows as the object on summit in hypergraph.When the redaction of existing component adds component base, first this summit is found, if redaction is the correction to original component mistake, then transfer the replacement problem of component to, if redaction adds function, the object that then component instantiation one is new for this reason, and to using the user of this component legacy version to send message, whether inquiry replaces legacy version.
B. the deletion of component: be divided into a certain version deleted component and delete component.
When deleting a certain version of component, first need determine dynamic domain or this component place layer and whether depend on this version with the component in upper strata, if Existence dependency, then can not delete, if there is no rely on, according to the version information of this component, delete the object of respective vertices in hypergraph.
When deleting component, first delete all objects on this summit, namely perform step and delete the version of component, then, the super limit of deleting this summit and setting up with lower floor summit.
C. the replacement of component: in order to ensure the normal operation of system, before replacement, obtains other components complementary of component therewith by hypergraph, and whether interface, parameter between checking component mate, and can carry out replacement operation afterwards just be proved to be successful.
D. the migration of component: when Component runtime CPU, memory usage are high, the or when response time of component, reliability QoS index can not meet the requirement of user, needs component to move to the external environment condition such as CPU, internal memory preferably in infrastructure.
As shown in Figure 2, the present invention is using the application software of user, component at all levels as the summit in hypergraph, and web member sets up user's application and business component, upper strata component and lower floor's component, dependence between this layer of component as super limit.
Each component may have different versions, based on the data structure of hypergraph, a certain version of component is represented an object of component for this reason.
In order to the situation of display member deployment is to facilitate the operation such as replacement, migration in evolution, using infrastructure as the bottom in architecture, connected all components of infrastructure and infrastructure deploy by super limit.
In order to reduce algorithm computation complexity, hypergraph is converted to bigraph (bipartite graph) by the present invention, as shown in Figure 3.Add a class and surpass limit vertex set, set up the contact between original vertices by the super limit of replacement, this summit.Like this, only have a limit from the beginning to flow out sensing summit, limit in summit all the time, only need two steps backtrackings just can find the summit depending on it.
Architecture management person can the three class hypergraphs that formed of real time inspection network configuration software architecture: the hypergraph of each user in the hypergraph that in the hypergraph that all components is formed, static fields, each field is formed, dynamic domain.
As shown in Figure 4, during the application hypergraph of user " software institute " represents, display user employs " bidding Management " this application layer component, it is made up of " information on bidding issue " and " bid information inquiry " two business components, and business component depends on the inquiry of lower floor, these basic components are served in interpolation, renewal, database access.In figure, content is that the frame table of E shows super limit node, sets up the association between summit by it.When perceiving external environment condition or user's request change, when needing to develop a certain component or architecture, all needing the architecture hypergraph according to setting up, obtaining the dependence between component, to develop accordingly operation, and after evolution completes real-time update architecture.
Non-elaborated part of the present invention belongs to the known technology of those skilled in the art.
The above; be only the embodiment in the present invention; but protection scope of the present invention is not limited thereto; any people being familiar with this technology is in the technical scope disclosed by the present invention; the conversion or replacement expected can be understood; all should be encompassed in and of the present inventionly comprise within scope, therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (7)
1., based on a network configuration software architecture online evolution method for hypergraph, it is characterized in that performing step is as follows:
The first step, builds network configuration software architecture;
Component is divided into basal layer component, operation layer component and application layer component from bottom to top; Described basal layer component refers to the basic component that the class that do not relate to business or domain knowledge is general; Described operation layer component is by basic component, again with the first grade member of field business information; Application layer component refers to according to user's request, the coarsegrain component formed by composite service component;
Described component is present in the static fields of different field, component name, numbering, member function information are kept in component base, the application software of user is in dynamic domain, it is made up of configuration file and required component, have recorded the annexation of required component, response time requirement in configuration file; The field of component belonging to it of operation layer and application layer is deposited in different static fields respectively, by the component in link static fields in the dynamic domain of user, adds user-dependent configuration, forms the application software of user; Like this, all users share and use component, as long as add the configuration information of user, just can form the application system of user, do not need for User Exploitation system, when user's request changes, only need amendment configuration information or carry out evolution to component to meet, realize the extensibility of software architecture;
Second step, uses Directed Hypergraph to represent the architecture of network configuration software, forms the network configuration software architecture based on hypergraph;
By the configuration information of the component information that has in reading element storehouse and user application software, the hypergraph setting up architecture represents; In order to the situation that display member is disposed, using the architecture bottom of infrastructure as network configuration software, connected all components of infrastructure and infrastructure deploy by super limit; Adopt during hypergraph represents in network configuration software architecture, the application of summit representative of consumer, component, server, super limit represents web member, and super limit establishes the dependence between multiple summit, has three class hypergraphs, that is:
(1) hypergraph of all component formation, have expressed between basal layer, operation layer, application layer and the dependence of each level internals;
(2) hypergraph that in static fields, each field is formed, have expressed the logical relation between the business component of field;
(3) hypergraph of each user in dynamic domain, embodies user and applies the situation using component;
3rd step, when there being new user to add described network configuration software architecture, first filling in I and the relevant information of application Structural application software, the component that in static fields, user's application business is relevant therewith being recommended user and selects; User selects business component, is linked in the dynamic domain of oneself, and flow process, the constraint information between configuration interface, component; Then, carry out step one and step 2 operation, user just can use this application software;
4th step, on the basis that the architecture of network configuration software adopts hypergraph to represent, utilizes the character of hypergraph, solves the increase of component, deletion, replacement and migration and evolution problem.
2. according to claim 1 based on the network configuration software architecture online evolution method of hypergraph, it is characterized in that: the increase of described component: be divided into the redaction increasing component and increase component, be implemented as:
A. fashionable when there being new structural member to add, the level belonging to component, adds summit in the layer that hypergraph is corresponding, if this component has the component except this component of dependence, then needs to set up super limit;
B. the different editions of component shows as the object on summit in hypergraph, when the redaction of existing component adds component base, first this summit is found, if redaction is the correction to original component mistake, then transfer the replacement problem of component to, if redaction adds function, then the object that component instantiation one is new for this reason, and to using the user of this component legacy version to send message, whether inquiry replaces legacy version.
3. according to claim 1 based on the network configuration software architecture online evolution method of hypergraph, it is characterized in that: the deletion of described component: be divided into a certain version deleted component and delete component, be implemented as:
When a. deleting a certain version of component, first need determine dynamic domain or this component place layer and whether depend on this version with the component in upper strata, if Existence dependency, then can not delete, if there is no rely on, according to the version information of this component, delete the object of respective vertices in hypergraph;
When b. deleting component, first delete all objects on this summit, perform step a, then, the super limit of deleting this summit and setting up with lower floor summit.
4. according to claim 1 based on the network configuration software architecture online evolution method of hypergraph, it is characterized in that: the replacement of described component: when mistake appears in component inside, need to enable new structural member and problem component is replaced; In order to ensure the normal operation of system, before replacement, obtain other components complementary of component therewith by hypergraph, whether interface, parameter between checking component mate, and can carry out replacement operation afterwards just be proved to be successful.
5. according to claim 1 based on the network configuration software architecture online evolution method of hypergraph, response time of Component runtime CPU, memory usage or component, reliability QoS index it is characterized in that: the migration of described component is: when can not meet the requirement of user, need component to be moved in the infrastructure of CPU, internal memory external environment condition, be implemented as:
A. in hypergraph, find the summit representing this component, search the object that the function, the interface that whether there is component therewith and realize are consistent, if had, judge whether this object meets the demand of user;
B. in hypergraph, obtain all super limit directly depending on problem component, namely revise the configuration of web member, allow web member point to this object; Otherwise, need this component to be moved in the infrastructure meeting user's qos requirement, and amendment directly depends on the web member information of this component, points to the new address residing for this component.
6. according to claim 1 based on the network configuration software architecture online evolution method of hypergraph, it is characterized in that: the rear internetware system that developed described in step 4 all can real-time update is corresponding online hypergraph.
7. according to claim 1 based on the network configuration software architecture online evolution method of hypergraph, it is characterized in that: in described second step, in order to reduce algorithm computation complexity, hypergraph is converted to bigraph (bipartite graph), that is: add a class and surpass limit vertex set, set up the contact between original vertices by the super limit of replacement, this summit, only have a limit from the beginning to flow out sensing summit, limit in summit so all the time, only need two steps to recall and just can find the summit depending on it.
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