轻量级、可重用数据持久层构件技术研究与实现

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1、西南交通大学硕士学位论文轻量级、可重用数据持久层构件技术研究与实现姓名：李敏申请学位级别：硕士专业：计算机应用技术指导教师：尹治本20060401西南交通大学硕士研究生学位论文第1I页AbstractIninfornlationage，info珊ationistIlemoStimp()nantfactorfordevelopmentineveryarea．ItispoSsibletoshareiIlfo珊ationamongdifferentorganizationswit量ltlle蛔provementofnetwork．1Ilfact，wh

2、atsharedmill】fonllationisbasicallydata．DataistheVerydirectrepresentationofinfo瑚ationrcsour∞s．So，inordeTtorealizedata—sharing，datashouldnotoⅡlybevisited(thatistobeconnectedwithuIalldtobemanagedfollowingaseriesofprincjpleS)butalsobeperdufed．Asarcsun，wilhfcgardtothesyst啪sco皿ect

3、edwi出data，thedesignofDataPersistencebecomesq11itejmponatlt；whatismorc，witllthedevelopmcntofdatafomlattingofinfo咖a廿on，more柚dmoremanagementsystemsappearcd．Ifmesystemsaret0bedesi印cdwithagoodstnlcturc，tlledesigllofDataPersis白融ceisanabsolutelynecessity．Forthesal【eofsystem仃ansplaI

4、ltalldmajlltaillabniIy，concisionindcsignofDataPersistenceisoⅡeofthekeyfactofswllichshouldbeconsidcred．Therefofe，inOrdertOmakemedesignofDataPersistencemucheasier，extractingpanswimlinlefelationswithbusillesslo垂csasacomponentaIldusingitiⅡDataPefsistencedesi弘ofdi＆rentsystemsc锄ma

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7、rindple，strudure，mechaIlism，applicationofde虹gnpattemsandetcofacomponentdesignedaIldi11lplemenIedbyauthorareintmducedwithemphasis．Atthes锄etime，supportfbrORM(ObjectRclationalMapping)isalsopresentedsoastosatisfydi行brentpro擎amminghabitsofdi妇krentusers．Duringtheintmduction，theadV

8、antageof1i曲twei曲tandreusabjlityarepmsentedespeciany．hloIdertopr0Vetlleusabi