HibernateTransactionManager DataSourceTransactionManager JtaTransactionManager JpaTransactionManager
@Bean
@ConditionalOnMissingBean(PlatformTransactionManager.class)
public PlatformTransactionManager transactionManager() {
return new JpaTransactionManager();
}
@Bean
@ConditionalOnMissingBean(PlatformTransactionManager.class)
@ConditionalOnBean(DataSource.class)
public DataSourceTransactionManager transactionManager() {
return new DataSourceTransactionManager(this.dataSource);
}
// 基于事务的传播特性,返回一个已经存在的事务或者创建一个新的事务 TransactionStatus getTransaction(TransactionDefinition definition) throws TransactionException; // 提交事务 void commit(TransactionStatus status) throws TransactionException; // 回滚事务 void rollback(TransactionStatus status) throws TransactionException;
transaction.begin();
try {
...
transaction.commit();
} catch(Exception e) {
...
transaction.rollback();
} finally {
}
@ConditionalOnMissingBean(PlatformTransactionManager.class)
@Configuration
public class DatabaseConfiguration {
@Bean
public PlatformTransactionManager transactionManager1(EntityManagerFactory entityManagerFactory) {
return new JpaTransactionManager(entityManagerFactory);
}
@Bean
public PlatformTransactionManager transactionManager2(DataSource dataSource) {
return new DataSourceTransactionManager(dataSource);
}
}
@Transactional(value="transactionManager1")
public void save() {
doSave();
}
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