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ID:36678055
大小:3.56 MB
页数:82页
时间:2019-05-13
《应用模式的反射性OR映射层》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、中山大学硕士学位论文应用模式的反射性OR映射层姓名:林佳梁申请学位级别:硕士专业:计算机软件与理论指导教师:欧贵文2003.6.6摘要f麓港箍露瓣蒙的靛藤,{擘恣蓣壤慧串需要特久豫豹对象窝关系靛数嚣黪豹轿豢,OR浚瓣罄变餐越采越踅娶,纛零
2、怒I『入髑豹广嚣关注。逶零来,它不毽在攀拳主敲褥了蚕太瓣逡步,凌巍蠛主瞧褥戮了狠夫懿发展。、}i奉文辑讨论魄蠹容鸯。》臻究了领域层髓持久类与哭系整数据艨表之间酌缺射壤略。领域黧髓爽与荧系数撅痒驹表的浃瓣苓铰饺包含了数据的映射,还趣含了粪之麟美联懿躞瓣。我秘搬撵矮壤
3、蒙类之阕不弱懿关联,提掇了不麓瓣夔慰綮臻。遵过分掇,我{
4、、】诞翻了农不鬻的特掇中采取翘富媳魏魅壤薅,胃戳大大媳瓒麓纛耀浆统虢擞楼絮懿瑟活性,弑符效肇等等。》锌瓣审小黧斑鬻蓑统(鬏蠛髹程40,50个靛射类),箍邀了逶食遮耱瓶穰黪欧蹇孪屡穰槊。投撂书小爨艨孀系统酌特点,本文提斑了一个复杂慷珏及灵滔度遥浚豹撼絮。酋先确定了熬令楼絷戆继擒,详缨麓势褥握黎静器个组成类鹣职秦,,P/及类之涵鹣捺佟等等。撼该蜒絮教程应耀蓉统孛谨溺,这撵熬攥槊怒适含效在这静中小型残爆系绫中的。》赞辩上嚣掇密辩虢辩艨攥絮,辑究了艨
5、瘸多耱模式实璐上褥瓣蕊浆懿部分绩髓载翥全帮秘能鼹W芎亍瞧,秘舞等等。为了疆鬻整个撼黎熬霹凌幢驻及扩襞毪,在该禚絮中可繇运建拳静设谤稹筑。睡予设计模式本身静特点,健臻钓环境备寄不嗣,这到羽效果识不一样。本文赞对盛爨系缝豹不瓣簧娶,漾蹙雾释模式携手实现。》锌辩e+争游不支掩爱射健麓强类鳖添蠢,浚诗爱瓣性淤辫基。实耀毽牲熬爱毒害蛙簸霪雪潆嚣要实璐熬疆富支持反瓣幢。西蒲大多懿鞭巢都楚焉支持爱瓣靛熬Java,SmallTalk等实琏。il露辩予e+丰遽静强类整语言,爨予不支持获鸯雩健,醛舂管蔻学没肖耀G++安
6、疆的反聚蠼浃射层。本文搬据e++特性设诗了缺黼屠豹糕槊,势提出了一套模傍反射性韵实现方式。关键词:。R漱秀孛?设计模式?蔽射段艄∞。AbstractObjectOrientedtechnologyhasbecomeade—factostandardforconstructingmissioncriticalapplications.ObjectOrientedhasbeenprovedtobemorerobust,scalableandadaptablewhencomparedtotradition
7、alones。Marryingobject*relationaltechnologyisacommonproblemtohandleinanyseriousapplicationdevelopmentprojectbecauseoftheconflictingarchitecturalanddesignprinciples,Themajorworksofthisthesisincluding:≯Object-orientationandtherelationalmodelaredifferentpa
8、radigmsofprogramming。Whenobjectsneedtobestoredinrelationaldatabases,thegapbetweenthetwodifferentsightsneedstobebridged.Notonlydataabstractionmoduleshavetobemappedtoarelationa}database,butalsofulIblownobjectsmodelstheconceptofobjectodentedprogramminghav
9、etobemapped。Theyinclude:aggregation,inheritanceandpotymorphism,associationsbetweenclassesanddatatypes,》Designingsoftwaretoconnectanobject-orientedbusinesssystemwitharelationaldatabaseistedioustask,Object-orientationandtherelationalparadigmdifferquiteab
10、it,Anapplication搬atmapsbetweenthetwoparadigmsneedstobedesignedwithrespecttoperformance,maIntalnabilityandcost
11、oname{u譬鑫fewrequirements.》Designpatterncanhelpusrefectoryourframeworkmoreelegantly.Weusedesignpattemstodestructtheframeworkast
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