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Object mapping transformation design method based on Java and X extensive makeup language (XML) database

A technology of XML database and design method, which is applied in the fields of electric digital data processing, special data processing application, calculation, etc.

Inactive Publication Date: 2013-02-20
上海方正数字出版技术有限公司
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

But there is no such solution on XML database, so in the demand of XML database development, there is an urgent need for a method to solve the mapping relationship between XML database and objects

Method used

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  • Object mapping transformation design method based on Java and X extensive makeup language (XML) database
  • Object mapping transformation design method based on Java and X extensive makeup language (XML) database
  • Object mapping transformation design method based on Java and X extensive makeup language (XML) database

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Embodiment Construction

[0021] The present invention is described in detail below in conjunction with embodiment, present embodiment implements under the premise of technical scheme of the present invention, has provided detailed implementation, but protection scope of the present invention is not limited to following embodiment.

[0022] JDBC is a set of standards defined in JSR (Java Specification Requests, Java specification request), which is a method of interaction between relational database and java. In XML database, XQJ is also a set of standards formulated by JSR, which is the interaction between XML database and java. a method of In the traditional sense of ORM, rely on JDBC, generate records through SQL statements, and then return objects through configuration.

[0023] In the XML database, the present invention proposes to use the specific language XQUERY of the XML database through XQJ to query to generate one or more character strings conforming to the XML standard, to generate Java obj...

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Abstract

Disclosed is an object mapping transformation design method based on a Java and X extensive makeup language (XML) database. The method includes the steps of step one, defining configuration files; step two, generating character strings which accord with the XML standards by a specific language XQUERY of the XML database through XQuery for Java (XQJ); step three, generating a Java object through a configured mapping relation, or generating a series data by configuring extensible stylesheet language (XSL); and step four, searching Xquery sentences in the configuration files by an XML path language (xpath), acquiring return types of the configuration files, and finally returning required data.

Description

technical field [0001] The invention relates to an object mapping conversion design method, in particular to an object mapping conversion design method based on Java and XML databases. Background technique [0002] Object-relational mapping (Object / Relation Mapping, ORM for short), is produced with the development of object-oriented software development methods. The object-oriented development method is the mainstream development method in today's enterprise-level application development environment, and the relational database is the mainstream data storage system for permanently storing data in the enterprise-level application environment. Objects and relational data are two manifestations of business entities. Business entities are represented as objects in memory and as relational data in the database. There are associations and inheritance relationships between objects in memory, but in a database, relational data cannot directly express many-to-many associations and i...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 李泉赵伟郑程光孙伟丰罗正海李浩李书淦程仁波
Owner 上海方正数字出版技术有限公司
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