private synchronized void updateLocalTradeSessions(Collection<TradeSession> remoteList) {
// Get all the local sessions
Collection<TradeSession> localList = _db.getAll();
// Iterate over local items to find records to delete or update locally
Iterator<TradeSession> localIt = localList.iterator();
while (localIt.hasNext()) {
TradeSession localItem = localIt.next();
TradeSession remoteItem = findAndEliminate(localItem, remoteList);
if (remoteItem == null) {
// A local item is not in the remote list, remove it locally
_db.delete(localItem.id);
} else {
// A local item is in the new list, see if it needs to be updated
if (needsUpdate(localItem, remoteItem)) {
_db.update(remoteItem);
}
}
}
// Iterate over remaining remote items and insert them
Iterator<TradeSession> remoteIt = remoteList.iterator();
while (remoteIt.hasNext()) {
TradeSession remoteItem = remoteIt.next();
_db.insert(remoteItem);
}
}
public synchronized Collection<TradeSession> getLocalTradeSessions() {
return _db.getAll();
}