测井储层参数研究平台数据访问层设计

The Data Access Layer Design in Logging Parameter Research Platform

通过数据需求分析,给出了测井储层参数研究平台项目数据库的关系模型。依据数据管理和应用研究对数据库的访问要求,设计了基于.Net结构体系的数据访问层,它包括数据对象、数据访问对象接口、数据访问对象、数据访问对象工厂4个模块。实用表明,面向接口的设计和反射技术的应用,使其具有良好的模块独立性、数据库移植性和可扩充性。

This paper gives a relational modal of project database in logging parameter research software platform through the data demand analysis.Based on access request to the database in data management and the research,the data access layer in.NET application architecture is designed.It includes four modules,named DO(Data Object),IDAO(Data Access Object Interface),DAO(Data Access Object),DAOF(Data Access Object Factory).Practical application indicats that the interface-oriented design and the application of reflection technology enable it to have the good module independence,the database portability and the module extendibility.