// DEBT should be spring loaded (metadatarepository should be passed in and
// we should not have private methods
private void saveEvent(
Class objectClass,
int containerOid,
int oid,
String action,
String description,
int personId,
Date when) {
try {
History History =
new History(
when,
containerOid,
oid,
DomainMetaDataRepository.getInstance().classToTypeName(objectClass),
action,
description,
personId);
if (!isEventThrottled(getSession(), History)) {
getSession().save(History);
}
if (action.equals(History.DELETED)) {
// Set name in event descriptions for deleted objects
List events = getEvents(oid);
for (int i = 0; i < events.size(); i++) {
History event = (History) events.get(i);
if (StringUtils.isEmpty(event.getDescription())) {
event.setDescription(description);
}
}
}
} catch (HibernateException e) {
log.error("history error", e);
}
}
public Object getHistoricalObject(History event) throws HibernateException {
if (event.getAction().equals(History.DELETED)) {
return null;
}
return DomainMetaDataRepository.getInstance()
.getObject(event.getObjectType(), event.getTargetId());
}
private boolean isEventThrottled(Session session, History event) throws HibernateException {
if (event.getAction().equals(History.UPDATED)) {
History previousEvent =
(History)
session
.createQuery(
"from event in "
+ History.class
+ " where event.targetId = :oid and event.action = :action order by event.whenHappened desc")
.setInteger("oid", event.getTargetId())
.setString("action", History.UPDATED)
.setMaxResults(1)
.uniqueResult();
return previousEvent != null
&& (event.getWhenHappened().getTime() - previousEvent.getWhenHappened().getTime())
< FIFTEEN_MINUTES;
} else {
return false;
}
}
