ChangeStateJpaListener.java 文件源码

@PreUpdate
void onPreUpdate(Object o) {
    String txId = (String)ThreadLocalContext.get(CompositeTransactionParticipantService.CURRENT_TRANSACTION_KEY);
    if (null == txId){
        LOG.info("onPreUpdate outside any transaction");
    } else {
        LOG.info("onPreUpdate inside transaction [{}]", txId);
        enlist(o, EntityCommand.Action.UPDATE, txId);
    }
}