基于软件管道Actor模型的BPEL流程转化研究  

Research on BPEL Process Conversion Based on Actor Model with Pipeline

作　　者：吴众欣[1] 钱德沛[1,2] 黄泳翔[1] 

机构地区：[1]西安交通大学电子与信息工程学院,陕西西安710049 [2]北京航空航天大学计算机学院,北京100191

出　　处：《计算机技术与发展》2009年第7期4-9,共6页Computer Technology and Development

基　　金：国家高技术研究发展计划863项目(2009AA01Z144)

摘　　要：在当今流行的SOA(面向服务的架构,Service Oriented Architecture)服务体系中,BPEL(Business Process Execution Language)是现今使用最广泛的业务流程执行语言。BPEL定义了业务流程如何与外部Web服务进行交互的过程。但BPEL面向流程编制与业务逻辑设计,是一种控制流模式下的处理过程。控制流模式下的业务流程常常依赖于控制流程的旁置条件与控制指令间的依赖关系,不能产生较好的并发处理过程。而数据流处理模式天生具有并发特性,将控制流模式的业务过程转化为数据流处理模式的执行过程,可提高业务流程执行过程的并发性。采用软件管道Actor模型对BPEL流程进行转化,给出模型结构,转化架构与转换示例,通过实验证明了这种转化可以有效地提高流程并发执行性能。BPEL is the most widely used business process execution language in the SOA system. BPEL defined the interaction between the process and outer service. But, the BPEL which belongs to control flow model is oriented to process orchestration and business logic designing. Business process is dependent on the correlation of the control command and side- by condition under the control flow model, which can not get a higher concurrency of system. Data flow model has built - in concurrency. Converting the control flow process to data flow process, to enhance the performance of business process execution is a preferable method. In this paper, converted the BPEL process to Actor model with software pipeline, an actor pipeline model and architecture of conversion is described and an example is proposed. It is much effective and available to enhance the performance of the process concurrency with our experiments results.

关 键 词：数据流 业务流程 控制流 并发 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]