复合Web服务的异常处理策略及其正式描述

2007 IFIP International Conference on Network and Parallel Computing Workshops (NPC 2007) Pub Date : 2007-09-18 DOI:10.1109/NPC.2007.13

Qin Lu, Weishi Zhang, Bo Su, Xiuguo Zhang

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引用次数: 10

摘要

本文提出了复合Web服务的七种异常处理策略及其形式化描述方法，旨在形式化描述复合Web服务执行过程中与异常处理相关的事件、条件和状态，进一步促进复合Web服务异常处理的实现。描述方法基于预测逻辑和状态图。预测用于定义概念，状态图用于描述组合Web服务的执行过程。根据执行异常处理操作的方式和时间，对异常处理策略进行正式描述。ECA(事件-条件-操作)规则用于表示异常处理期间的事件、条件和异常处理操作。给出了一个应用案例来说明如何使用我们的描述方法来描述异常处理策略。

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Exception Handling Policies for Composite Web Services and their Formal Description

This paper presents seven exception handling policies for composite Web services and their formal description method, which aims to formally describe events, conditions and states associated with exception handling during composite Web services execution, further to facilitate the implementation of exception handling for composite Web services. The description method is based on the predication logic and statechart. Predication is used to define concepts and statechart is used to describe the execution process of composite Web services. The exception handling policies are described formally according to how and when the exception handling actions are executed. ECA (event-condition-action) rules are used to express the events, conditions and exception handling actions during exception handling. An application case is presented to show how to describe the exception handling policies using our description method.

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来源期刊

2007 IFIP International Conference on Network and Parallel Computing Workshops (NPC 2007)

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