课选的统筹与线性规划论文 学位论文.docx
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课选的统筹与线性规划论文 学位论文.docx
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课选的统筹与线性规划论文学位论文
大连交通大学信息工程学院
毕业设计(论文)任务书
题目Useful课选的统筹与线性规划
任务及要求:
1.设计(研究)内容和要求
任务:
1、调查基于Useful课选的统筹与线性规划系统,完成实习报告,字数不少于3000,第三周交给指导老师。
2、结合自己实习情况安排进度,填写进度计划表,第二周完成后交给指导老师签字,并严格执行。
3、按照软件工程思想,独立完成系统的设计和程序开发,完成代码估计2000行左右。
4、用JSP实现Useful课选的统筹与线性规划系统。
5、程序简洁,算法可行,运行情况良好。
要求:
1、每周和指导老师至少见面沟通一次,回报课题进展情况,接受老师询问。
2、接到任务书后,查阅与题目及专业相关的外文资料进行翻译,要求不少于10000个外文字符,译出汉字不得少于3000,于第四周交给指导老师审阅。
3、毕业设计第13周完成毕业论文的装订,并由指导老师评阅。
论文要求12000字以上,包括综述、系统总体设计、系统实现、性能分析、结论等。
4、教学第13周通过中软及教研室组织进行软件验收,验收时要提供软件使用说明书。
5、于第13周提出毕业答辩申请并签字。
6、第14周答辩,要求制作PPT
2.原始依据
通过大学几年的学习,已经学习了诸如软件工程、数据库原理及应用、数据结构、C++、VisualBasic、JAVA等多门程序设计语言和网络等基础知识和专业知识,学生有能力而且可以独立完成小中型项目的设计与开发。
学校现有设备和环境可以提供给学生实习和上机,而且具有专业老师可以指导学生。
3.参考文献
[1]张跃平.JSP实用教程[M].北京清华大学出版社.2003
[2]SunMicrosystems.DatabaseProgrammingWithJavaTechnology[M].2001
[3]JavaServlet&JSPCookbook[M].O'ReillyPress.2004
[4]万峰科技编著.JSP网站开发四酷全书[M].电子工业出版社.2005
[5]武卫华.计算机专业英语[M].科学出版社.2004
[6]王国辉.李文立.杨亮.JSP数据库系统开发完全手册[M].北京人民邮电出版社.2006.3
[7]吴斌.赵有珍等.SQLServer应用与提高[M].科学出版社.2002.7
[8]BruceEckel著.Java编程思想.北京机械工业出版社.2004.01
[9]Kevinduffey.Vikramgoyal.Tedhusted著.JSP站点设计编程指南[M].电子工业出版社.2002.6
[10]汪孝宜.刘中兵.徐佳晶等著.JSP数据库开发实例精粹[M].电子工业出版社.
2005.1
[11]EllioteRustyHarold,DavidFlanagan著.JavaNetworkProgramming.O'Reilly.1997.06
[12]HarveyM.Deitel.PaulJ.Deitel著.JavaHowtoProgram.北京机械工业出版社.2002.01
指导教师签字:
教研室主任签字:
2012年3月26日
大连交通大学信息工程学院
毕业设计(论文)进度计划与考核表
学生姓名
滕晓汝
专业班级
计算机科学与技术08-2班
指导教师
袁振海宋丽芳
本课题其他人员
无
题 目
Useful课选的统筹与线性规划
日 期
计划完成内容
完成情况
指导老师检查签字
第1周
拟订《毕业论文进度计划与考核表》
第2周
完成实习或调研报告
第3周
提交外文文献翻译资料
第4周
系统概要设计阶段
第5周
系统详细设计阶段
第6周
系统编码实施、完成论文初稿
第7周
完成系统编码实施
第8周
系统编码调试、提交论文初稿
第9周
完成系统编码调试、完善毕业论文
第10周
完成撰写毕业设计论文编写及代码测试
第11周
完成论文终稿、准备毕业论文打印、装订
第12周
提交毕业论文终稿及代码
第13周
完成毕业论文
第14周
毕业论文答辩
指导教师签字:
2012年3月30日
大连交通大学信息工程学院
毕业设计(论文)外文翻译
学生姓名滕晓汝专业班级计算机08-2班
指导教师袁振海宋丽芳职称高工 副教授
所在单位 信息科学系计算机教研室
教研室主任 宋丽芳
完成日期2012年4月13日
InfrastructureforAutomaticDynamicDeployment
OfJ2EEApplicationinDistributedEnvironments
AnatolyAkkerman,AlexanderTotok,andVijayKaramcheti
Abstract:
inordertoachievesuchdynamicadaptation,weneedaninfrastructureforautomatingJ2EEapplicationdeploymentinsuchanenvironment.ThisneedisquiteevidenttoanyonewhohasevertrieddeployingaJ2EEapplicationevenonasingleapplicationserver,whichisataskthatinvolvesagreatdealofconfigurationofboththesystemservicesandapplicationcomponents.
Keywords:
j2ee;component;Distributed;DynamicDeployment;
1Introduction
Inrecentyears,wehaveseenasignificantgrowthincomponent-basedenterpriseapplicationdevelopment.TheseapplicationsaretypicallydeployedoncompanyIntranetsorontheInternetandarecharacterizedbyhightransactionvolume,largenumbersofusersandwideareaaccess.Traditionallytheyaredeployedinacentrallocation,usingserverclusteringwithloadbalancing(horizontalpartitioning)tosustainuserload.However,horizontalpartitioninghasbeenshownveryefficientonlyinreducingapplication-relatedoverheadsofuser-perceivedresponsetimes,withouthavingmucheffectonnetwork-inducedlatencies.Verticalpartitioning(e.g.,runningwebtierandbusinesstierinseparateVMs)hasbeenusedforfaultisolationandloadbalancingbutitissometimesimpracticalduetosignificantrun-timeoverheads(evenifonewouldkeepthetiersonafastlocal-areanetwork)relatedtoheavyuseofremoteinvocations.Recentwork[14]inthecontextofJ2EEcomponentbasedapplicationshasshownviabilityofverticalpartitioninginwide-areanetworkswithoutincurringtheaforementionedoverheads.Thekeyconclusionsfromthatstudycanbesummarizedasfollows:
•Usingproperlydesignedapplications,verticaldistributionacrosswide-areanetworksimprovesuser-perceivedlatencies.
•Wide-areaverticallayeringrequiresreplicationofapplicationcomponentsandmaintainingconsistencybetweenreplicas.
•Additionalreplicasmaybedeployeddynamicallytohandlenewrequests.
•Differentreplicasmay,infact,bedifferentimplementationsofthesamecomponentbasedonusage(read-only,read-write).
•Newrequestpathsmayreusecomponentsfrompreviouslydeployedpaths.
Applyingintelligentmonitoring[6]andAIplanning[2,12]techniquesinconjunctionwiththeconclusionsofthatstudy,weseeapotentialfordynamicadaptationinindustry-standardJ2EEcomponent-basedapplicationsinwideareanetworks
Throughdeploymentofadditionalapplicationcomponentsdynamicallybasedonactivemonitoring.However,inordertoachievesuchdynamicadaptation,weneedaninfrastructureforautomatingJ2EEapplicationdeploymentinsuchanenvironment.ThisneedisquiteevidenttoanyonewhohasevertrieddeployingaJ2EEapplicationevenonasingleapplicationserver,whichisataskthatinvolvesagreatdealofconfigurationofboththesystemservicesandapplicationcomponents.ForexampleonehastosetupJDBCdatasources,messagingdestinationsandotherresourceadaptersbeforeapplicationcomponentscanbeconfiguredanddeployed.Inawideareadeploymentthatspansmultipleservernodes,thisprovesevenmorecomplex,sincemoresystemservicesthatfacilitateinter-nodecommunicationsneedtobeconfiguredandstartedandavarietyofconfigurationdata,likeIPaddresses,portnumbers,JNDInamesandothershavetobeconsistentlymaintainedinvariousconfigurationfilesonmultiplenodes.
Thisdistributeddeploymentinfrastructuremustbeableto:
•addressinter-componentconnectivityspecificationanddefineitseffectsoncomponentconfigurationanddeployment,
•addressapplicationcomponentdependenciesonapplicationserverservices,theirconfigurationanddeployment,
•providesimplebutexpressiveabstractionstocontroladaptationthroughdynamicdeploymentandundeploymentofcomponents,
•enablereuseofservicesandcomponentstomaintainefficientuseofnetworknodes’resources,
•providethesefacilitieswithoutincurringsignificantadditionaldesigneffortonbehalfofapplicationprogrammers.
InthispaperweproposetheinfrastructureforautomaticdynamicdeploymentofJ2EEapplications,whichaddressesalloftheaforementionedissues.Theinfrastructuredefinesarchitecturedescriptionlanguages(ADL)forcomponentandlinkdescriptionandassembly.TheComponentDescriptionLanguageisusedtodescribeapplicationcomponentsandlinks.Itprovidesclearseparationofapplicationcomponentsfromsystemcomponents.Aflexibletypesystemisusedtodefinecompatibilityofcomponentportsandlinks.Adeclarationandexpressionlanguageforconfigurablecomponentpropertiesallowsforspecificationofinter-componentdependenciesandpropagationofpropertiesbetweencomponents.TheComponent(Replica)AssemblyLanguageallowsforassemblyofreplicasofpreviouslydefinedcomponentsintoapplicationpathsby
Connectingappropriateportsvialinkreplicasandspecifyingthemappingofthesecomponentreplicasontotargetapplicationservernodes.TheComponentConfigurationProcessevaluatesanapplicationpath’scorrectness,identifiesthedependencies
ofapplicationcomponentsonsystemcomponents,andconfigurescomponentreplicasfordeployment.Anattemptismadetomatchandreuseanypreviouslydeployedreplicasinthenewpathbasedontheirconfigurations.WeimplementtheinfrastructureasapartoftheJBossopensourceJavaapplicationserver[11]andtestitonseveral
SampleJ2EEapplications–JavaPetstore[23],Rubies[20]andTPC-W-NYU[32].TheinfrastructureimplementationutilizestheJBoss’sextendablemicro-kernelarchitecture,basedontheJMX[27]specification.ComponentizedarchitectureofJBossallowsincrementalservicedeploymentsdependingontheneedsofdeployedapplications.Webelievethatdynamicreconfigurationofapplicationserversthroughdynamicdeploymentandundeploymentofsystemservicesisessentialtobuildingaresource-efficientframeworkfordynamicdistributeddeploymentofJ2EEapplications.Therestofthepaperisorganizedasfollows.Section2providesnecessarybackgroundforunderstandingthespecificsoftheJ2EEcomponenttechnologywhicharerelevanttothisstudy.Section3givesageneraldescriptionoftheinfrastructurearchitecture,whilesection4goesdeeperindescribingparticularlyimportantandinterestinginternalmechanismsoftheinfrastructure.Section5describestheimplementationoftheframework,andrelatedworkisdiscussedinsection6.
2J2EEBackground
2.1Introduction
Componentframeworks.Acomponentframeworkisamiddlewaresystemthatsupportsapplicationsconsistingofcomponentsconformingtocertainstandards.Applicationcomponentsare“plugged”intothecomponentframework,whichestablishestheirenvironmentalconditionsandregulatestheinteractionsbetweenthem.Thisisusuallydonethroughcontainers,componentholders,whichalsoprovidecommonlyrequiredsupportfornaming,security,transactions,andpersistence.Componentframeworksprovideanintegratedenvironmentforcomponentexecution,asaresultsignificantlyreducetheeffort.ittakestodesign,implement,deploy,andmaintainapplications.CurrentdayindustrycomponentframeworkstandardsarerepresentedbyObjectManagementGroup’sCORBAComponentModel[18],SunMicrosystems’Java2PlatformEnterpriseEdition(J2EE)[25]andMicrosoft’s.NET[17],withJ2EEbeingcurrentlythemostpopularandwidelyusedcomponentframeworkintheenterprisearena.
J2EE.Java2PlatformEnterpriseEdition(J2EE)[25]isacomprehensivestandardfordevelopingmulti-tierenterpriseJavaapplicatio
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