| 无线迁移工作流环境中功能片动态装载机制 |
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| 引用本文： | 王红,金月恒.无线迁移工作流环境中功能片动态装载机制[J].小型微型计算机系统,2012,33(6):1207-1212. |
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| 作者姓名： | 王红 金月恒 |
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| 作者单位： | 山东师范大学 信息科学与工程学院,济南250014;山东省分布式计算机软件新技术重点实验室,济南250014 |
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| 基金项目： | 国家自然科学基金项目(60975081,60970004)资助;山东省研究生教育创新计划项目(SDYY10059)资助;山东师范大学研究生重点课程项目资助 |
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| 摘 要： | 从无线迁移工作流环境中资源受限的移动设备特性出发,提出一种基于功能片的动态装载机制,以实现大型迁移工作流程序在移动设备上的不降级运行.首先,给出了动态装载单元的定义,包括功能片、说明文档和控制块.控制块确定了功能片的状态;其次,设计并实现了FU的动态装载方案,包括功能片的读入、处理、调度、执行和卸载几个部分;最后,设计并实现了一个移动酒店预订系统来验证其合理性.
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| 关 键 词： | 迁移工作流 功能片 功能片控制块 动态装载 FU调度 |
Dynamic Loading Mechanism of Function Units in Wireless Migrating Workflow Environment |
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| WANG Hong
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JIN Yue-heng.Dynamic Loading Mechanism of Function Units in Wireless Migrating Workflow Environment[J].Mini-micro Systems,2012,33(6):1207-1212. |
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| Authors: | WANG Hong JIN Yue-heng |
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| Affiliation: | 1,2 1(Institut of Information Science and Engineering,Shandong Normal University,Jinan 250014,China) 2(Shandong Provincial Key Laboratory for Distributed Computer Software Novel Technology,Jinan 250014,China) |
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| Abstract: | In order to support large-scale migrating workflow program running on resource-limited mobile devices,we analyze the character of function units used in workflow process and propose a dynamic loading mechanism of function pieces in wireless migrating workflow environment.Firstly,we give the definition of dynamic loading units in which the Function Unit Process Block records the state of a Function Unit.Secondly,we design and implement the dynamic loading mechanism of function pieces,including reading,processing,scheduling,executing and unloading.Thirdly,we implement a mobile hotel-predetermining system by using Aglet to prove the feasibility and usability of the dynamic loading mechanism of function pieces proposed in this paper. |
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| Keywords: | migrating workflow function unit function unit process block dynamic loading FU scheduling |
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