Designs and Applications of an Object Module for the Hierarchical Structure

Hierarchical structures widely exist.To improve the flexibility,expansibility,reusability and maintainability of the system,an object module for the hierarchical structure was designed by OOA based on the improvement of the Composite pattern,and a relational storage module was built too.Applications verified the correctness and validity of the designs.Analysis shows that the designs are applicable to any data structure or model with hierarchical structure.