/** general history event insert behavior */
protected void insertOrUpdate(HistoryEvent historyEvent) {
final DbSqlSession dbSqlSession = getDbSqlSession();
String eventType = historyEvent.getEventType();
if (isInitialEvent(eventType)) {
dbSqlSession.insert(historyEvent);
} else {
if (dbSqlSession.findInCache(historyEvent.getClass(), historyEvent.getId()) == null) {
dbSqlSession.update(historyEvent);
}
}
}
