/**
* Will be called directly before an object will be saved.
*
* @param obj
* @return id of the inserted objects if saved manually inside this method or null if the object
* has to be saved by save method (default).
*/
public Serializable onBeforeSave(final Session session, final Object obj) {
if (obj instanceof HistoryEntry) {
final HistoryEntry entry = (HistoryEntry) obj;
final Integer origEntityId = entry.getEntityId();
final String entityClassname = entry.getClassName();
final Serializable newId = getNewId(entityClassname, origEntityId);
final List<PropertyDelta> delta = entry.getDelta();
Serializable id = null;
if (newId != null) {
// No public access, so try this:
invokeHistorySetter(entry, "setEntityId", Integer.class, newId);
} else {
log.error(
"Can't find mapping of old entity id. This results in a corrupted history: " + entry);
}
invokeHistorySetter(entry, "setDelta", List.class, null);
id = save(entry);
final List<PropertyDelta> list = new ArrayList<PropertyDelta>();
invokeHistorySetter(entry, "setDelta", List.class, list);
for (final PropertyDelta deltaEntry : delta) {
list.add(deltaEntry);
save(deltaEntry);
}
this.historyEntries.add(entry);
return id;
}
return null;
}
