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Exploring Vaadin (2) - Vaadin + Hibernate discussions on Internet

     摘要: Study of discussions on Internet about Vaadin + Hibernate  阅读全文

posted @ 2009-12-16 15:52 bing 阅读(2204) | 评论 (0)编辑 收藏

总结 Hibernate 的 Optimistic Concurrency Control

     摘要: 带有版本标记的 Optimistic Concurency Control 是唯一既能提供高度并发,又能提供可扩展性的解决方案。就是说,很多人可以一起对一些数据同时进行操作,而这些操作又尽量不会造成互相冲突。Hibernate Reference 第11章11.3 讲述 Hibernate 进行 Optimistic Concurrency Control 的方法。本文是我对该小节阅读后的总结和理解。

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posted @ 2009-12-16 12:27 bing 阅读(1597) | 评论 (0)编辑 收藏

Exploring Vaadin (1) - Data

     摘要: This article examines com.vaadin.data pacakge - the data source model for vaadin - and provide a summary. It also examine the relationship between data source and some UI classes.
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posted @ 2009-12-11 18:35 bing 阅读(984) | 评论 (0)编辑 收藏

Step by step, using hibernate hbm2ddl to generate schema from annotation

     摘要: Run hibernate tools "hbm2ddl" to generate schema DDL into "schema.sql" from annotated entities. Step by Step!  阅读全文

posted @ 2009-12-09 17:45 bing 阅读(2096) | 评论 (0)编辑 收藏

Set oracle.jdbc.V8Compatible=true when using higher version JDBC driver to access 8i databases, or strange things will happen

     摘要: You shall set oracle.jdbc.V8Compatible=true when using higher version JDBC driver to access 8i databases, or strange things will happen.  阅读全文

posted @ 2009-12-09 15:04 bing 阅读(4035) | 评论 (0)编辑 收藏

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