@Override
public void clientDisconnected(String userId, String clientId) {
ClientConnection connection = getConnectionByClientId(userId, clientId);
_connectionsByClientId.remove(clientId);
_changeManager.removeChangeListener(connection);
_masterChangeManager.removeChangeListener(connection);
_longPollingConnectionManager.disconnect(clientId);
connection.disconnect();
}
/**
* Creates a new connection for a client and returns its client ID. The client ID should be used
* by the client when subscribing for asynchronous updates. A connection typically corresponds to
* a single browser tab or window. A user can have multiple simultaneous connections.
*
* @param userId The ID of the user creating the connection
* @return The client ID of the new connection, must be supplied by the client when subscribing
* for updates
*/
@Override
public String clientConnected(String userId) {
// TODO check args
String clientId = Long.toString(_clientConnectionId.getAndIncrement());
ConnectionTimeoutTask timeoutTask = new ConnectionTimeoutTask(this, userId, clientId, _timeout);
LongPollingUpdateListener updateListener =
_longPollingConnectionManager.handshake(userId, clientId, timeoutTask);
ClientConnection connection =
new ClientConnection(userId, clientId, updateListener, _viewportFactory, timeoutTask);
_changeManager.addChangeListener(connection);
_masterChangeManager.addChangeListener(connection);
_connectionsByClientId.put(clientId, connection);
_timer.scheduleAtFixedRate(timeoutTask, _timeoutCheckPeriod, _timeoutCheckPeriod);
return clientId;
}