基于UML的硬实时工作流建模技术  

UML-based modeling technology of hard real-time workflow

作　　者：徐珞[1] 石晶 樊志强[1] 郝博[1] 

机构地区：[1]华北计算技术研究所,北京100083 [2]中国电子设备系统工程公司研究所,北京100141

出　　处：《计算机工程与设计》2015年第11期3005-3009,共5页Computer Engineering and Design

摘　　要：针对硬实时系统工作流描述在活动间数据交互的关系、时间约束等方面的不足,研究硬实时系统的工作流建模技术。定义硬实时约束的工作流元模型,给出元模型的组成元素及其相互关系,对具有硬实时约束的相关元素进行说明;在此基础上,使用UML的profile机制,通过对UML建模元素的扩展定义一种硬实时约束的工作流描述语言,称为HRTWDL(hard real-time constrained workflow description language);结合应用案例对HRT-WDL的使用进行说明。Workflow descriptions of hard real-time systems lack time constraint on data transfer among activities and refinement of relationships between data and activities.Thereby,a UML based workflow modeling technology of hard real-time systems was proposed.A hard real-time constrained workflow meta-model was defined and the elements and their relationships in the metamodel were clearly described,especially the ones related to hard real-time constraints.Using UML profile mechanism,a hard real-time constrained workflow description language,named as HRT_WDL,was defined by extending UML elements.A case study was conducted to explain the usage of HRT_WDL.

关 键 词：硬实时系统 工作流建模 元模型 统一建模语言 

分 类 号：TP302.1[自动化与计算机技术—计算机系统结构]