BlogJava-自由飞翔-随笔分类-hibernatehttp://www.blogjava.net/GavinMiao/category/49317.html我在仰望，java之上zh-cnFri, 06 Apr 2012 11:22:35 GMTFri, 06 Apr 2012 11:22:35 GMT60延迟加载http://www.blogjava.net/GavinMiao/archive/2012/03/13/371784.htmlGavinMiaoGavinMiaoTue, 13 Mar 2012 02:46:00 GMThttp://www.blogjava.net/GavinMiao/archive/2012/03/13/371784.htmlhttp://www.blogjava.net/GavinMiao/comments/371784.htmlhttp://www.blogjava.net/GavinMiao/archive/2012/03/13/371784.html#Feedback0http://www.blogjava.net/GavinMiao/comments/commentRss/371784.htmlhttp://www.blogjava.net/GavinMiao/services/trackbacks/371784.html一.实现方式：
1.*hbm.xml中的class元素的lazy属性设置为true；
2.*hbm.xml中的set元素的lazy属性设置为true；
3.
@[One|Many]ToOne](fetch=FetchType.LAZY) @LazyToOne(PROXY) @Fetch(SELECT)
@[One|Many]ToOne](fetch=FetchType.EAGER) @LazyToOne(FALSE) @Fetch(JOIN)
@ManyTo[One|Many](fetch=FetchType.LAZY) @LazyCollection(TRUE)@Fetch(SELECT)
@ManyTo[One|Many](fetch=FetchType.EAGER) @LazyCollection(FALSE) @Fetch(JOIN)

参考文章：


GavinMiao 2012-03-13 10:46 发表评论
]]>hibernate注意点http://www.blogjava.net/GavinMiao/archive/2012/03/13/371778.htmlGavinMiaoGavinMiaoTue, 13 Mar 2012 01:53:00 GMThttp://www.blogjava.net/GavinMiao/archive/2012/03/13/371778.htmlhttp://www.blogjava.net/GavinMiao/comments/371778.htmlhttp://www.blogjava.net/GavinMiao/archive/2012/03/13/371778.html#Feedback0http://www.blogjava.net/GavinMiao/comments/commentRss/371778.htmlhttp://www.blogjava.net/GavinMiao/services/trackbacks/371778.html阅读全文

GavinMiao 2012-03-13 09:53 发表评论
]]>commit()与flush()的区别http://www.blogjava.net/GavinMiao/archive/2012/03/13/371775.htmlGavinMiaoGavinMiaoTue, 13 Mar 2012 01:23:00 GMThttp://www.blogjava.net/GavinMiao/archive/2012/03/13/371775.htmlhttp://www.blogjava.net/GavinMiao/comments/371775.htmlhttp://www.blogjava.net/GavinMiao/archive/2012/03/13/371775.html#Feedback0http://www.blogjava.net/GavinMiao/comments/commentRss/371775.htmlhttp://www.blogjava.net/GavinMiao/services/trackbacks/371775.html阅读全文

GavinMiao 2012-03-13 09:23 发表评论
]]>load与get的区别http://www.blogjava.net/GavinMiao/archive/2012/03/13/371773.htmlGavinMiaoGavinMiaoTue, 13 Mar 2012 01:02:00 GMThttp://www.blogjava.net/GavinMiao/archive/2012/03/13/371773.htmlhttp://www.blogjava.net/GavinMiao/comments/371773.htmlhttp://www.blogjava.net/GavinMiao/archive/2012/03/13/371773.html#Feedback0http://www.blogjava.net/GavinMiao/comments/commentRss/371773.htmlhttp://www.blogjava.net/GavinMiao/services/trackbacks/371773.html2.load可以使用延迟加载；get不可以；


load与get的工作原理：
get方法首先查询session缓存，没有的话查询二级缓存，最后查询数据库；
若设置了lazy=true，load方法创建时首先查询session缓存，没有就创建代理，实际使用数据时才查询二级缓存和数据库；
未设置lazy=true时，与get方法相同；
注意：
到底使用谁：如果不确定是否有匹配的行存在，应该使用get方法。

GavinMiao 2012-03-13 09:02 发表评论
]]>转载：Hibernate Annotation 联合主键三种写法http://www.blogjava.net/GavinMiao/archive/2011/10/20/361671.htmlGavinMiaoGavinMiaoThu, 20 Oct 2011 11:21:00 GMThttp://www.blogjava.net/GavinMiao/archive/2011/10/20/361671.htmlhttp://www.blogjava.net/GavinMiao/comments/361671.htmlhttp://www.blogjava.net/GavinMiao/archive/2011/10/20/361671.html#Feedback0http://www.blogjava.net/GavinMiao/comments/commentRss/361671.htmlhttp://www.blogjava.net/GavinMiao/services/trackbacks/361671.html阅读全文

GavinMiao 2011-10-20 19:21 发表评论
]]>hibernate面试题汇总http://www.blogjava.net/GavinMiao/archive/2011/08/28/357436.htmlGavinMiaoGavinMiaoSun, 28 Aug 2011 05:37:00 GMThttp://www.blogjava.net/GavinMiao/archive/2011/08/28/357436.htmlhttp://www.blogjava.net/GavinMiao/comments/357436.htmlhttp://www.blogjava.net/GavinMiao/archive/2011/08/28/357436.html#Feedback0http://www.blogjava.net/GavinMiao/comments/commentRss/357436.htmlhttp://www.blogjava.net/GavinMiao/services/trackbacks/357436.html阅读全文

GavinMiao 2011-08-28 13:37 发表评论
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