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1、摘 要Hibernate是一个开放源代码的对象-关系映射框架,它对JDBC进行了非常轻量级的对象封装,使得Java程序员可以随心所欲的使用对象编程思维来操纵数据库。然而Hibernate的发展出现了一个危机阶段,许多Hibernate开发人员用“暴差”来形容Hibernate的性能,所以是否用Hibernate来做数据的持久层,以成为不少程序开发人员的难题。目前关于Hibernate性能方面,虽然零星有个短篇予以讲诉,但是还没有专门的一个书籍或论文来讲诉有关Hibernate的性能。所以对于Hibernate性能分析及优化配置以成为亟待解决的问题。对H
2、ibernate性能分析及优化配置研究,不仅能够为已经使用Hibernate开发项目的程序员提供优化方案,而且能够为没有使用Hibernate开发的程序员提供开发经验。本文拟从Hibernate与JDBC的性能比较,Hibernate性能测试及优化方案三个角度,并运用对比论证,列实例、摆依据,理论与实践结合,通过图书查询、网上浏览等方法来收集资料,并拟运用Hibernate,JDBC及数据库等相关知识来撰写论文。关键词:ORM;面向对象数据库;数据库的持久化-I-HibernatePerformanceAnalysisandOptimizedDispos
3、itionAbstractHibernateisanopensourcecodeobject-relationsmappingframe,ithascarriedontheunusuallightweightobjectsealtoJDBC,causestheuserprogrammingthoughtwhichtheJavaprogrammermayhaveone'swishtooperatethedatabase.HowevertheHibernatedevelopmentappearedacrisisstage,manyHibernatedevel
4、opmentpersonneluses"thestormtobebad"describesHibernatetheperformance,whetherthereforeusesHibernatetomakethedatathelastinglevel,intomanyproceduresdevelopmentpersonnel'sdifficultproblem.AtpresentaboutHibernateperformanceaspect,althoughfragmentarilyhasashortarticletosaysues,butdoesn
5、othavespecialbooksorthepapersayssuesrelatedHibernatetheperformance.ThereforeintourgentlyawaitsthequestionregardingtheHibernateperformanceanalysisandtheoptimizeddispositionwhichissolved.ToHibernateperformanceanalysisandoptimizeddispositionresearch,notonlycanfortheprogrammerwhichal
6、readyusedtheHibernatedevelopmentprojectprovidetheoptimizedplan,moreovercouldfortheprogrammerwhichhasnotusedtheHibernatedevelopmentprojectprovidethedevelopmentexperience.ThisarticledrawsupfromHibernateandtheJDBCperformancecompares,theHibernateperformancetestandtheoptimizedplanthre
7、eangles,andusingthecontrastproof,arrangeinordertheexample,thependulumbasis,thetheoryandthepracticeunion,throughmethoddatacollectionandsoonbooksinquiry,on-linebrowsing,andplanstoutilizeHibernate,correlationknowledgeandsoonJDBCanddatabasecomposesthepaper.KeyWords:ORM;Object-oriente
8、ddatabase;DatabasePersistence-I-目 录摘 要