使用图语法和元建模来处理LRN模型中的代码移动性

N. Dehimi, A. Chaoui
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引用次数: 0

摘要

Petri网最初被提出用于并发和分布式系统的建模。普通的形式主义在智能的形式背景下是如此简单,但它在流动性方面的建模失败了。尽管如此,Petri网仍然吸引了移动性建模领域的研究者,并提出了许多扩展来处理移动性方面的问题。其中,我们发现了标记可重构网络(LRN),这种新的形式主义允许对计算环境和它们之间的过程移动性进行显式建模。它允许以一种简单而直观的方法对移动代码范例(移动代理、随需应变的代码、远程评估)进行建模。在本文中,我们提出了一种基于元建模和图语法的组合使用的方法,以自动生成LRN的可视化建模工具,用于分析和仿真目的。该工具生成图形模型,高度结构化以达到此目标。在我们的方法中,使用UML类图形式化来定义LRN的元模型。根据提出的LRN元模型,使用元建模工具ATOM3生成可视化建模工具。为了生成图形化LRN模型的R-Maude规范,我们提出了一种图语法。然后利用可重构重写逻辑语言R-Maude对生成的R-Maude规范进行仿真。通过实例说明了我们的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Using graph grammars and meta-modeling to process code mobility in LRN models
Petri nets have been proposed initially to model concurrency and distributed systems. The ordinary formalism is so simple with a smart formal background, but it fails in modeling mobility aspects. In spite of this, searchers in mobility modeling domain are attracted by Petri nets, and many extensions have been proposed to treat mobility aspects. Among these, we find Labeled Reconfigurable Nets (LRN), This new formalism allows explicit modeling of computational environments and processes mobility between them. It allows, in a simple and an intuitive approach, modeling mobile code paradigms (mobile agent, code on demand, remote evaluation). In this paper, we propose an approach based on the combined use of Meta-modeling and Graph Grammars to automatically generate a visual modeling tool for LRN, for analysis and simulation purposes. This tool produces graphical models, highly-structured to reach this goal. In our approach, the UML Class diagram formalism is used to define a meta-model of LRN. The meta-modeling tool ATOM3 is used to generate a visual modeling tool according to the proposed LRN meta-model. To generate R-Maude specification of the graphically specified LRN models, we have proposed a graph grammar. Then the reconfigurable rewriting logic language R-Maude can be used to perform the simulation of the resulted R-Maude specification. Our approach is illustrated through examples.
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