PlatformTransactionManager가 resource별 lifecycle을 공통화한다
application callback은 업무만 표현하고 JDBC manager가 connection begin·complete를 맡는다.
transaction boundary
callback 실행
resource binding
connection commit
application callback은 업무만 표현하고 JDBC manager가 connection begin·complete를 맡는다.
transaction boundary
callback 실행
resource binding
connection commit