| Web服务组合事务处理研究与实现 |
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| 引用本文： | 管有庆,程强.Web服务组合事务处理研究与实现[J].计算机技术与发展,2013(11):77-81. |
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| 作者姓名： | 管有庆 程强 |
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| 作者单位： | 南京邮电大学物联网学院信息网络技术研究所,江苏南京210003 |
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| 基金项目： | 江苏省高校自然科学研究计划项目（05KJD520146） |
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| 摘 要： | 通过重用已有的服务进行服务组合来实现应用集成；而保证服务组合的事务特性是实现服务组合的关键。文中提出一个Web服务组合事务处理模型，将BPEL（Business Process Execution Language,业务流程执行语言）的流程设计与WS—C／T（Web Services Coordination/Transaction, Web服务协调／事务）规范结合。该模型主要由客户端、BPEL执行引擎、事务协调器和参与者四个部分组成。客户端发起请求，BPEL执行引擎响应请求并开启事务，事务协调器和参与者根据事务协调算法完成事务协调。
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| 关 键 词： | 服务组合 业务流程执行语言 事务 协调 |
Research and Implementation of Web Service Composition Transaction Processing |
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| GUAN You-qing,CHENG Qiang.Research and Implementation of Web Service Composition Transaction Processing[J].Computer Technology and Development,2013(11):77-81. |
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| Authors: | GUAN You-qing CHENG Qiang |
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| Affiliation: | ( Institute of Information Network Technology, College of Intemet of Things, Nanjing University of Posts and Telecommunications, Nanjing 210003, China) |
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| Abstract: | To realize application integration, existing services are used to achieve service composition, and the key to achieve service composition is to guarantee transactional properties of service composition. In this paper, a Web service composition transaction model is introduced,which combines BPEL （Business Process Execution Language） process design with transaction protocol based on WS-C/T （ Web Services on）. This model is chiefly composed of clients, BPEL execution engine, transaction coordinator and participants. The client initiates a request, waiting for BPEL execution to give response and to start a transaction. Then the transaction coordinator and the participants complete the coordination by means of transaction coordination algorithm. |
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| Keywords: | service composition BPEL transaction coordination |
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