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 void unsetLocalTraderAccount() {
_session = null;
_localTraderAddress = null;
_localTraderAccountId = null;
_localTraderPrivateKey = null;
_localTraderPrivateKeyString = null;
_nickname = null;
SharedPreferences.Editor editor = getEditor();
editor.remove(Constants.LOCAL_TRADER_KEY_SETTING);
editor.remove(Constants.LOCAL_TRADER_ACCOUNT_ID_SETTING);
editor.remove(Constants.LOCAL_TRADER_ADDRESS_SETTING);
editor.remove(Constants.LOCAL_TRADER_NICKNAME_SETTING);
setLastTraderSynchronization(0);
_db.deleteAll();
editor.commit();
}
private synchronized void updateSingleTradeSession(TradeSession item) {
_db.insert(item);
}
public synchronized void markViewed(TradeSession tradeSession) {
_db.markViewed(tradeSession);
}
public synchronized boolean isViewed(TradeSession tradeSession) {
return _db.getViewTimeById(tradeSession.id) >= tradeSession.lastChange;
}
public synchronized int countLocalSellTradeSessions() {
return _db.countSellTradeSessions();
}
public synchronized int countLocalBuyTradeSessions() {
return _db.countBuyTradeSessions();
}
public synchronized Collection<TradeSession> getLocalSellTradeSessions() {
return _db.getSellTradeSessions();
}
/** May return null */
public synchronized TradeSession getLocalTradeSession(UUID tradeSessionId) {
return _db.get(tradeSessionId);
}