3
如果我不把@Transactional注释上limsservice”审计梅托德,审计日志不持久。但坚持persistenceService梅托德有媒体链接这个annotation.Why我必须把这个注释。春@Transactional注解的使用
@RequestMapping(value = "/lemf", method = RequestMethod.POST, headers = "Accept=application/json")
public
@ResponseBody
Lemf create(HttpServletResponse response, @RequestBody Lemf lemf) {
try {
Lemf l = limsService.findLemfByName(lemf.getName());
if (l == null) {
lemf= limsService.addLemf(lemf);
limsService.audit("User action",getRequestInfo(),"New lemf created.");
return lemf;
}
sendError(response, "Lemf Allready exist.");
} catch (ProviderException e) {
sendError(response, e);
}
return null;
}
public class PersistenceServiceImpl implements PersistenceService {
@Transactional(readOnly = false)
public <T extends Persistable> T persist(T obj) {
if (obj.getSystemId() != AbstractPersistable.UNSAVED_ID_VALUE) {
log.info("Updating... :" + obj);
T merged = em.merge(obj);
return merged;
} else {
em.persist(obj);
return obj;
}
}
}
public class LimsServiceImpl implements LimsService {
@Override
public Lemf addLemf(Lemf lemf) throws ProviderException {
return persistenceService.persist(lemf);
}
@Transactional
public void audit(String type,Pair<String,String > pair,String log) {
auditService. audit("User action", pair, "New lemf created.");
}
}