A reflective approach for dynamic change of BPEL process

A reflective approach for dynamic change of BPEL process
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BPEL流程动态变化的反思方法

DOI:
10.1007/s11859-008-0208-z
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发表时间:
2008-07
影响因子:
--
通讯作者:
Xiangyang Jia, Shi Ying, Zaoqing Liang, Dan Xie an
Xiangyang Jia, Shi Ying, Zaoqing Liang, Dan Xie an
中科院分区:
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文献类型:
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作者:
Xiangyang Jia, Shi Ying, Zaoqing Liang, Dan Xie an

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WS-BPEL(Web服务业务流程执行语言)作为一种新兴的工作流标准,提供了一种简单有效的方式来构建面向Web服务的工作流。然而,据我们所知,业界和学术界很少做出努力来解决 BPEL 流程的动态变化问题。本文提出了一种反思性的方法来解决这个问题。本文定义了流程实例的形式化元对象模型;提出了基于该模型的行为一致性准则;给出一组修改原语来修改元对象,同时保持更改原子性和一致性;此外,还提供了MOP,为动态BPEL流程变更提供编程接口。
WS-BPEL (Web Service Business Process Execution Language), as an emerging workflow standard, provides a simple and effective way to construct Web Services-oriented workflows. However, to the best of our knowledge, few effort from the industry and academia has addressed the dynamic change problems of BPEL process. This paper proposes a reflective approach to solve this problem. In this paper, a formal meta-object model of process instance is defined; the behavioral consistency criterion based on this model is proposed; a set of modification primitives are given to modify the meta-object while keeping the change atomic and consistent; and in addition, the MOP is offered to provide the programming interfaces for dynamic BPEL process change.
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