CN102385593A - Method and device as well as operation system for operating utility tree - Google Patents
Method and device as well as operation system for operating utility tree Download PDFInfo
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Abstract
The invention is applicable to the field of a database and provides a method and device as well as an operation system for operating a utility tree. The method for operating the utility tree comprises the following steps: an application module client side issues a request instruction for operating the utility tree to an application module server side; and the application module server side calls a corresponding method defined in a service model according to the request instruction, realizes the operation on the utility tree by using the corresponding method, and returns an operating result to the application module client side, wherein the service model is the service model of a tree structure model, which is injected in a data base in advance. In the method, the tree structure model is established in an object-oriented manner; and as for a specific application module, the corresponding method defined in the injected service model is called according to the operation on the invention. The operation on the utility tree is realized according to the method; and the operating method for the utility tree to be rewritten for each application module is not needed, therefore, the expansibility of application and the performance of operation on the tree are improved.
Description
Technical field
The invention belongs to database field, relate in particular to method, device and the operation system of a kind of operational applications tree.
Background technology
In relevant database, general through tree adjacency list storage tree construction.When practical application, the developer of business module needs to set up for each business module earlier the tree adjacency list of oneself, writes special SQL statement again and handles the tree adjacency list.Such as, the module that found an organization, need set up the tree adjacency list of this tissue oneself earlier, handle this tree adjacency list through a series of SQL statements again, realize inquiry, preservation, modification scheduling algorithm to tree.In the time need creating the material module again, the structure of tree adjacency list that can the reference tissue module creation, the tree adjacency list of design material module, the tree treatment S QL statement of reference tissue module is write the tree treatment S QL statement of oneself and is realized service logic.
In sum, the mode that existing relational database is operated tree, shortcoming is following:
1. be structure-oriented, each is used the tree adjacency list that all needs again the Design Tree structure, write tree treatment S QL statement, can not utilize OO characteristic, extract public object and method, farthest reuse tree construction and implementation algorithm;
2. except oracle database tree construction there are special optimization and action statement; Other relational database is to the storage of tree construction and read and do not have special solution and statement; Need go to realize to the storage of tree with the SQL statement of complicacy and read scheduling algorithm; Because of the gap of algorithm level and the support of no datat bottom of the reservior layer, cause performance to be performed poor.
In a word, existing relevant database is used the tree adjacency list that all needs again the Design Tree structure to each, writes the SQL statement that tree is handled, and realizes inquiry and modification to tree by the complicated SQL statement of routine call again.Therefore, the characteristic that the existing practice is difficult to use Object-oriented Programming Design and exploitation realizes the exploitation of service logic, and the complexity of programmed algorithm is high, but performance is common.
Summary of the invention
The purpose of the embodiment of the invention is to provide the method for a kind of operational applications tree; Be intended to solve the exploitation that characteristic that existing relational database is difficult to use Object-oriented Programming Design and exploitation realizes service logic; And the complexity of programmed algorithm is high, but the common problem of performance.
The embodiment of the invention is achieved in that the method for a kind of operational applications tree, and the installation method of said operational applications tree comprises the steps:
Request instruction to the application module service end of application module client transmit operation utility tree;
The application module service end is according to the corresponding method that defines in the described request instruction calls service model; Realize operation according to said method to utility tree; And the return result is to the application module client, and said service model is the service model that injects the Tree-structure Model of database in advance.
Another purpose of the embodiment of the invention is to provide the device of a kind of operational applications tree, and the device of said operational applications tree comprises application module client and application module service end.
Said application module client comprises the request instruction sending module, and this module is used for request instruction to the application module service end of transmit operation utility tree.
Said application module service end comprises the utility tree processing module; This module is used for calling the corresponding method that service model defines according to the request instruction that said application module client is sent; Realize operation according to said method, and the return result is to the application module client to utility tree.
Said service model is the service model that injects the Tree-structure Model of database in advance.
Another purpose of the embodiment of the invention is to provide the operation system of a kind of operational applications tree, and the operation system of said operational applications tree comprises the device of aforesaid operational applications tree.
In embodiments of the present invention, to the non-relational database, adopt object-oriented way to create Tree-structure Model; To concrete application module, the corresponding method that defines according to the service model of the Tree-structure Model that the operation calls of utility tree is injected in advance.Realize operation according to said method to utility tree; Need not all rewrite using the method for tree operations each application module; Can simplify in the relevant database and tree carried out operation complexity, improve Application Expansion property and tree is carried out operating performance through SQL statement.
Description of drawings
Fig. 1 is the realization flow figure of the method for the operational applications tree that provides of the embodiment of the invention;
Fig. 2 is the domain model synoptic diagram that the embodiment of the invention provides;
Fig. 3 is the call relation synoptic diagram of the service model that provides of the embodiment of the invention and concrete application module service end;
Fig. 4 is the structured flowchart of the device of the operational applications tree that provides of the embodiment of the invention;
Fig. 5 is the structured flowchart of the operation system that provides of the embodiment of the invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In embodiments of the present invention, to the non-relational database, adopt object-oriented way to create Tree-structure Model; To concrete application module, the corresponding method that defines according to the service model of the Tree-structure Model that the operation calls of utility tree is injected in advance.Realize operation according to said method to utility tree; Need not all rewrite using the method for tree operations each application module; Can simplify in the relevant database and tree carried out operation complexity, improve Application Expansion property and tree is carried out operating performance through SQL statement.
The invention provides the method for a kind of operational applications tree, comprise the steps:
Request instruction to the application module service end of application module client transmit operation utility tree;
The application module service end realize the operation to utility tree according to said method, and the return result is to the application module client according to the corresponding method that defines in the described request instruction calls service model.Said service model is the service model that injects the Tree-structure Model of database in advance.
The invention provides the device of a kind of operational applications tree, comprise application module client and application module service end.
Said application module client comprises the request instruction sending module, and this module is used for request instruction to the application module service end of transmit operation utility tree.
Said application module service end comprises the utility tree processing module; This module is used for calling the corresponding method that service model defines according to the request instruction that said application module client is sent; Realize operation according to said method, and the return result is to the application module client to utility tree.Said service model is the service model that injects the Tree-structure Model of database in advance.
The invention provides the operation system of a kind of operational applications tree, comprise the device of aforesaid operational applications tree.
Embodiment one:
The realization flow of the method that the operational applications that Fig. 1 shows the embodiment of the invention one to be provided is set, details are as follows:
In step S101, adopt object-oriented way, create Tree-structure Model in advance.In embodiments of the present invention,, create Tree-structure Model, realize tree construction storage based on non-relational database (such as, distributed MongoDB database) through object-oriented way.Wherein, the Tree-structure Model of establishment comprises domain model and service model.
Domain model comprises tree adjacency list and/or tree nested table.
The object or the table of the father node of tree adjacency list record tree, auto correlation, as the ID of the present node that NodeID, Name, ParentID}, NodeID represent to set, and Name representes the title of present node, ParentID representes the ID of the father node of present node.
The object or the table of the left and right sides node of tree nested table record tree, as the ID of the present node that NodeID, LeftNode, RightNode}, NodeID represent to set, and LeftNode representes the left sibling of present node, RightNode representes the right node of present node.
Fig. 2 shows tree adjacency list and the relation of tree between the nested table, as can be seen from the figure sets adjacency list and tree nested table and be a pair of 0, one to one or the relation of one-to-many, and in addition, the tree nested table also can be used as embedded object and is embedded in the tree adjacency list.
Service model is the tree serviced component that takes out through object-oriented way, and methods such as " tree under the inquiry specified node ", " increase node ", " deletion of node ", " mobile node " are provided.For the application module service end, can call the method that provides in this service model and come increase, deletion, the insertion of the tree realization node in the application modules, move.After having created Tree-structure Model; Application module can be created simple Java object instance according to the domain model in the Tree-structure Model; Create the method for application module service end according to the service model in the Tree-structure Model, and call the corresponding method that defines in the service model in the Tree-structure Model that is infused in the database and realize corresponding operation.The call relation signal of the service model of Tree-structure Model and application module service end is as shown in Figure 3.Such as the insertNode method that defines in, the insertNode method of the application module service end service model in can the call-tree structural model, in the utility tree of application module, insert a node.
In step S102, create the simple Java object instance of application module and the method for application module service end respectively according to the Tree-structure Model of creating in advance.
In embodiments of the present invention, definition " TreeNode " and " TreeRelation " two marks identify tree adjacency list and tree nested table respectively.For application module (like molded tissue block, material module etc.); Define the domain model object instance of application module according to the domain model of Tree-structure Model; Be simple Java object instance (POJO, Plain Ordinary Java Objects or Plain Old Java Object).As, the tree adjacency list OrgView that creates is stamped " TreeNode ", the tree nested table OrgRelation that creates is stamped " TreeRelation " mark.
For application module, according to the method for the service model of Tree-structure Model definition application module service end (such as, the service end of the service end of molded tissue block or material module).The method that defines in the application module service end be application modules utility tree (such as; Organization tree or material tree) carries out method of operating; The corresponding method of this method in can the service model of call-tree structural model, to the utility tree of concrete application module increase, operation such as deletion, insertion, mobile node.
In step S103, request instruction to the application module service end of application module client transmit operation utility tree.
In embodiments of the present invention, request instruction to the application module service end of the utility tree of application module client (such as the UI of, organization tree or material tree) transmit operation application module (such as, the service end of the service end of molded tissue block or material module).This request instruction comprises: obtain tree under certain node, preserve tree, revise the instruction that the utility tree of application modules such as tree is operated.
In step S104, the application module service end realize the operation to utility tree according to said method, and the return result is to the application module client according to the corresponding method that defines in the described request instruction calls service model.
In embodiments of the present invention; The application module service end (such as; The service end of the service end of molded tissue block or material module) method, call the service model of the Tree-structure Model of injecting database in advance corresponding method (as, inquire about the tree under the node); And import in the corresponding method that defines in POJO object instance (like, organization tree or material tree adjacency list, organization tree or material tree nested table) to the service model of Tree-structure Model of this application module.The method of the service model of Tree-structure Model receives the POJO object instance that is imported into, obtains the attribute of the corresponding table of said POJO object instance, and according to the attribute information of the table that gets access to, the utility tree of application modules is carried out corresponding the processing.Such as, this method is node of inquiry tree down, then carries out the operation of inquiring about the tree under the node, and with result (as, one tree or a node) return to the application module service end.Wherein, injecting and also claim control counter-rotating (IoC, Inversion of Control) or rely on to inject (DI, Dependency Injection), is the rule of an important OOP, is used for cutting down the coupled problem of computer program.
In step S105, the application module service end returns to the application module client with the said result who returns.
In embodiments of the present invention, the application module service end the said result who returns is carried out other logical process or be provided with out of Memory (such as, the title of certain node is made amendment) after, return to application module client (such as the UI of, organization tree or material tree).
In step S106, the application module client is showed the structure of utility tree according to the said result who returns.
In embodiments of the present invention, the application module client is showed the structure of the utility tree of application module according to the said result who returns.Such as, the UI that the UI of organization tree demonstrates a concrete organization tree or material tree demonstrates a concrete material tree.
Embodiment two:
The concrete structure block diagram of the device that the operational applications that Fig. 4 shows the embodiment of the invention two to be provided is set for the ease of explanation, only shows the part relevant with the embodiment of the invention.This device 4 can be to be built in the unit that software unit, hardware cell or software and hardware in the operation system combine, and perhaps is integrated in the application subsystem of operation system or operation system as suspension member independently.Wherein, this device 4 comprises application module client 41 and application module service end 42.
Application module service end 42 comprises utility tree processing module 421; This module is used for calling the corresponding method that service model defines according to the request instruction that said application module client 41 is sent; Realize operation according to said method, and the return result is to the application module client to utility tree.Said service model is the service model that injects the Tree-structure Model of database in advance.
Wherein, utility tree processing module 421 comprises that method call unit 4211 and object instance import unit 4212 into.Method call unit 4211 be used for according to the request instruction that described request instruction sending module 411 is sent call the corresponding method that service model defines (as, inquire about the tree under the node).Object instance imports in the corresponding method that simple Java object instance to service model that unit 4212 is used for importing into said application module defines.The method of said service model is obtained the attribute of the corresponding table of said simple Java object instance according to the mark of said simple Java object instance, and according to the attribute of said table utility tree is handled accordingly.Such as, this method is the tree under node of inquiry, then carries out the operation of the tree under node of inquiry, and returns result and give the application module service end.
In addition, this device 4 also comprises: Tree-structure Model is created module 43 and is created module 44 with application example.
Tree-structure Model is created module 43 and is used to adopt object-oriented way, creates Tree-structure Model in advance.Said Tree-structure Model comprises: domain model and service model.
Said domain model comprises tree adjacency list and/or tree nested table.
The object or the table of the father node of tree adjacency list record tree, auto correlation, as the ID of the present node that NodeID, Name, ParentID}, NodeID represent to set, and Name representes the title of present node, ParentID representes the ID of the father node of present node.
The object or the table of the left and right sides node of tree nested table record tree, as the ID of the present node that NodeID, LeftNode, RightNode}, NodeID represent to set, and LeftNode representes the left sibling of present node, RightNode representes the right node of present node.
Fig. 2 shows tree adjacency list and the relation of tree between the nested table, as can be seen from the figure sets adjacency list and tree nested table and be a pair of 0, one to one or the relation of one-to-many.In addition, the tree nested table can be used as embedded object be embedded into the tree adjacency list in.
Service model is the tree serviced component that takes out through object-oriented way, provides tree is carried out method of operating.Such as methods such as " tree under the inquiry specified node ", " increase node ", " deletion of node ", " mobile nodes ".For the application module service end, can call the method that provides in this service model and come increase, deletion, the insertion of the tree realization node in the application modules, move.After having created Tree-structure Model; Application module can be created simple Java object instance according to the domain model in the Tree-structure Model; Create the method for application module service end according to the service model in the Tree-structure Model, and call the corresponding method that defines in the service model in the Tree-structure Model that is infused in the database and realize corresponding operation.The call relation signal of the service model of Tree-structure Model and application module service end is as shown in Figure 3.Such as the insertNode method that defines in, the insertNode method of the application module service end service model in can the call-tree structural model, in the utility tree of application module, insert a node.
Application example is created module 44, is used for creating the simple Java object instance of concrete application module and the method for application module service end respectively according to the Tree-structure Model of creating in advance.In embodiments of the present invention, definition " TreeNode " and " TreeRelation " two marks identify tree adjacency list and tree nested table respectively.For application module (like molded tissue block, material module etc.); Define the domain model object instance of application module according to the domain model of Tree-structure Model; Be simple Java object instance (POJO, Plain Ordinary Java Objects or Plain Old Java Object).As, the tree adjacency list OrgView that creates is stamped " TreeNode ", the tree nested table OrgRelation that creates is stamped " TreeRelation " mark.
For application module, according to the method for the service model of Tree-structure Model definition application module service end (such as, the service end of the service end of molded tissue block or material module).The method that defines in the application module service end be application modules utility tree (such as; Organization tree or material tree) carries out method of operating; The corresponding method of this method in can the service model of call-tree structural model, operations such as the utility tree of application modules can increase, deletion, insertion, mobile node.Concrete condition repeats no more at this as stated.
Embodiment three:
Fig. 5 shows the concrete structure block diagram of the operation system that the embodiment of the invention provides, and for the ease of explanation, only shows the part relevant with the embodiment of the invention.Wherein, this operation system 5 comprises the device 4 of operational applications tree as shown in Figure 4.
In embodiments of the present invention, to the non-relational database, adopt object-oriented way to create Tree-structure Model; To concrete application module,, call the corresponding method that defines in the service model of the Tree-structure Model that is injected into according to operation to utility tree.Realize operation according to said method to utility tree; Need not all rewrite using the method for tree operations each application module; Can simplify in the relevant database and tree carried out operation complexity, improve Application Expansion property and tree is carried out operating performance through SQL statement.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for an operational applications tree is characterized in that said method comprises the steps:
Request instruction to the application module service end of application module client transmit operation utility tree;
The application module service end is according to the corresponding method that defines in the described request instruction calls service model; Realize operation according to said method to utility tree; And the return result is to the application module client, and said service model is the service model that injects the Tree-structure Model of database in advance.
2. the method for claim 1 is characterized in that, said application module service end is specially according to the step of said method realization to the operation of utility tree according to the corresponding method that defines in the described request instruction calls service model:
The method of application module service end is according to the corresponding method that defines in the described request instruction calls service model;
Import in the corresponding method that defines in simple Java object instance to the service model of said application module;
The method of said service model is according to the mark of said simple Java object instance; Obtain the attribute of the corresponding table of said simple Java object instance; And utility tree is handled accordingly, and return result and give the application module service end according to the attribute of said table.
3. the method for claim 1 is characterized in that, before the step of request instruction to the application module service end of said application module client transmit operation utility tree, said method is further comprising the steps of:
Adopt object-oriented way, create Tree-structure Model in advance, said Tree-structure Model comprises: domain model and service model;
Tree-structure Model according to creating is in advance created the simple Java object instance of concrete application module and the method for application module service end respectively.
4. method as claimed in claim 3 is characterized in that, said domain model comprises: tree adjacency list and/or tree nested table.
5. the method for claim 1 is characterized in that, said service model is the tree serviced component that takes out through object-oriented way, provides tree is carried out method of operating.
6. the device of operational applications tree is characterized in that said device comprises: application module client and application module service end, and said application module client comprises:
The request instruction sending module is used for request instruction to the application module service end of transmit operation utility tree;
Said application module service end comprises:
The utility tree processing module; Be used for calling the corresponding method that service model defines according to the request instruction that said application module client is sent; Realize operation according to said method to utility tree; And the return result is to the application module client, and said service model is the service model that injects the Tree-structure Model of database in advance.
7. device as claimed in claim 6 is characterized in that, said utility tree processing module comprises:
The method call unit is used for the corresponding method that defines according to described request instruction calls service model;
Object instance imports the unit into; Be used for importing in the corresponding method that simple Java object instance to the service model of said application module defines; The method of said service model is according to the mark of said simple Java object instance; Obtain the attribute of the corresponding table of said simple Java object instance, and utility tree is handled accordingly, and return result and give the application module service end according to the attribute of said table.
8. device as claimed in claim 6 is characterized in that, said device also comprises:
Tree-structure Model is created module, is used to adopt object-oriented way, creates Tree-structure Model in advance, and said Tree-structure Model comprises: domain model and service model;
Application example is created module, is used for creating the simple Java object instance of concrete application module and the method for application module service end respectively according to the Tree-structure Model of creating in advance.
9. device as claimed in claim 8 is characterized in that, said domain model comprises: tree adjacency list and/or tree nested table, said service model is the tree serviced component that takes out through object-oriented way, provides tree is carried out method of operating.
10. the operation system of an operational applications tree is characterized in that, said operation system comprises the device of the described operational applications tree of the arbitrary claim of claim 6 to 9.
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| CN105488056A (en) * | 2014-09-17 | 2016-04-13 | 阿里巴巴集团控股有限公司 | Object processing method and equipment |
| CN108304164A (en) * | 2017-09-12 | 2018-07-20 | 马上消费金融股份有限公司 | Business logic development method and development system |
| CN109639750A (en) * | 2014-08-29 | 2019-04-16 | 阿里巴巴集团控股有限公司 | Business data processing method and equipment |
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| CN109639750A (en) * | 2014-08-29 | 2019-04-16 | 阿里巴巴集团控股有限公司 | Business data processing method and equipment |
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| CN108304164A (en) * | 2017-09-12 | 2018-07-20 | 马上消费金融股份有限公司 | Business logic development method and development system |
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