/** Connects to the market data server, if necessary. */
private void connect() {
if (marketDataClient == null || !marketDataClient.isRunning()) {
notifyListeners(new FeedStatusNotification(getFeedStatus(), FeedStatus.UNKNOWN));
FeedStatusNotification update =
new FeedStatusNotification(getFeedStatus(), FeedStatus.UNKNOWN);
try {
boolean success =
credentialsService.authenticateWithCredentials(
new IAuthenticationHelper() {
@Override
public boolean authenticate(ICredentials inCredentials) {
marketDataClient =
new MarketDataRpcClientFactory()
.create(
inCredentials.getUsername(),
inCredentials.getPassword(),
hostname,
port,
new MarketDataContextClassProvider());
marketDataClient.start();
return marketDataClient.isRunning();
}
});
update.newFeedStatus = success ? FeedStatus.AVAILABLE : FeedStatus.OFFLINE;
} catch (ConnectionException | CredentialsException | UnknownHostException e) {
update.newFeedStatus = FeedStatus.ERROR;
throw e;
} catch (RuntimeException e) {
update.newFeedStatus = FeedStatus.ERROR;
throw e;
} finally {
if (marketDataClient != null) {
marketDataClient.addServerStatusListener(MarketDataManager.this);
}
notifyListeners(update);
}
}
}
/* (non-Javadoc)
* @see org.marketcetera.core.notifications.ServerStatusListener#receiveServerStatus(boolean)
*/
@Override
public void receiveServerStatus(boolean inStatus) {
FeedStatusNotification update = new FeedStatusNotification(getFeedStatus(), FeedStatus.UNKNOWN);
try {
if (inStatus) {
update.newFeedStatus = FeedStatus.AVAILABLE;
} else {
update.newFeedStatus = FeedStatus.ERROR;
if (mMarketData != null) {
mMarketData.reset();
}
if (marketDataClient != null) {
try {
marketDataClient.stop();
} catch (Exception ignored) {
}
marketDataClient = null;
}
}
} finally {
notifyListeners(update);
}
}
