TransactionAttribute
- getQualifier(Object)：Object- rollbackOn(Throwable)
RuleBasedTransactionAttribute
+ ConnectionFactory connectionFactory
TransactionDefinition
- getPropagationBehavior():- getIsolationLevel()- getTimeout()- isReadOnly()- getName()
DefaultTransactionAttribute
+ String qualifier
- rollbackOn(Throwable ex)
DelegatingTransactionAttribute
+ TransactionAttribute targetAttribute
