PROPAGATION_REQUIRED Support a current transaction;
支持一个当前事务;
Support a current transaction; create a new one if none exists.
支持一个当前事务;如果不存在,创建一个新的。
Support a current transaction; create a new one if none exists.
创建一个新的事务,如果存在当前事务的话暂停(挂起)当前事务。
Support a current transaction, create a new one if none exists.
支持当前事务,如果当前没有事务,则创建一个新事务。
Support a current transaction, throw an exception if none exists.
支持当前事务,如果当前没有事务,就抛出异常。
A transaction is associated with the target object but its current status cannot be determined.
目标对象有关联事务,但当前状态还未定义。
A transaction is associated with the target object but its current status cannot be determined.
目标对象有关联事务,但当前状态还未定义。
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