Aiming at such problem,this paper researches Java Persistence API(JPA) ORM technology,JPA model and JPA interfaces,designs and implements a flexible data persistence model,which uncouples with ORM framework and reduces the coupling of the system,so that it is easy to develop object persistence and accelerates the developing speed of application systems.

Research on persistence layer s design and realization;

Research and implementation of a lightweight ORM persistence layer;

Hibernate solution for DBMS persistence layer;

OR mapping technology of persistent layer based on Hibernate and Spring;

High-performance Cache for Object Persistent Layer;

Designing and Implementation of Data Persistent Layer Frame Orient Manufacturing Execution System;