建模期间Mashup计划的部分执行

IF 2.4 Q1 Computer Science
Pascal Hirmer, Michael Behringer, Bernhard Mitschang
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引用次数: 2

摘要

工作流和工作流技术是在支持并行性、错误处理和异步消息传递的同时编排服务的公认方法。一种特殊的工作流技术应用于数据mashup。在Data Mashups中,工作流编排专门用于数据处理的服务。工作流模型本身指定处理数据的顺序。由于Data Mashups的目标是为IT和编程知识有限的领域专家提供可用性,因此它们通常在上面提供一个从具体工作流模型和技术中抽象出来的层。然后将该模型转换为可执行的工作流模型。然而,将模型作为一个整体进行转换和执行会导致效率问题。在本文中,我们介绍了一种在建模期间执行该模型的一部分的方法。更准确地说,一旦对特定部分进行了建模,它就会被转换为可执行的工作流片段,并在后端执行。因此,一旦用户创建了整个模型,对于用户来说,执行时间似乎要短得多,因为大多数模型已经被处理过了。此外,通过我们的方法,可以在建模时访问中间结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Partial execution of Mashup Plans during modeling time
Workflows and workflow technologies are an approved means to orchestrate services while supporting parallelism, error handling, and asynchronous messaging. A special case workflow technology is applied to are Data Mashups. In Data Mashups, workflows orchestrate services that specialize on data processing. The workflow model itself specifies the order data is processed in. Due to the fact that Data Mashups aim for usability of domain-experts with limited IT and programming knowledge, they oftentimes offer a layer on top that abstracts from the concrete workflow model and technology. This model is then transformed into an executable workflow model. However, transforming and executing the model as a whole leads to efficiency issues. In this paper, we introduce an approach to execute part of this model during modeling time. More precisely, once a specific part is modeled, it is transformed into an executable workflow fragment and executed in the backend. Consequently, once the user created the whole model, the execution time seems to be much shorter for the user because most of the model has already been processed. Furthermore, through our approach, access to intermediate results is enabled at modeling time already.
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来源期刊
SICS Software-Intensive Cyber-Physical Systems
SICS Software-Intensive Cyber-Physical Systems COMPUTER SCIENCE, HARDWARE & ARCHITECTURE-
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