It’s hard to believe that over 3 years have gone by since the initial 1.0 release of the Java™ Persistence API. In that time we have seen it go from fledgling API to mainstream persistence standard. Along the way, many of you cut your JPA teeth usin
ActiveJPA基于JPA，提供了Martin Fowler所提出的活动记录模式（Active Record pattern）的Java实现。借助于ActiveJPA，模型本身会作为DAO并与数据库交互，这样就不需要额外的代码作为数据访问层了。 ActiveJPA使用到了JPA规范，因此所有JPA的ORM实现（Hibernate、EclipseLink、OpenJPA等）都可以与ActiveJPA协同使用。 示例代码： // Get order by id Order order = Ord
