JTA,即Java Transaction API,JTA允许应用程序执行分布式事务处理–在两个或多个网络计算机资源上访问并且更新数据。JDBC驱动程序的JTA支持极大地增强了数据访问能力。
JTA事务比JDBC事务更强大。一个JTA事务可以有多个参与者,而一个JDBC事务则被限定在一个单一的数据库连接。下列任一个Java平台的组件都可以参与到一个JTA事务中:JDBC连接、JDO PersistenceManager 对象、JMS 队列、JMS 主题、企业JavaBeans(EJB)、一个用J2EE Connector Architecture 规范编译的资源分配器。
JTS 只是一个组件事务监视器(有时也称为 对象事务监视器(object transaction monitor)),或称为 CTM。
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