// Function return InterModularDataSender object, through which data should be sent
// So actual sender should save this object and use it
public static InterModularDataSender RegisterDataSender(string label)
{
InterModularDataSender sender = new InterModularDataSender();
sender.DataLabel = label;
InterModularConnection connection = GetConnection(label);
sender.DataArrived = connection.OnDataArrived;
connection._senders.Add(sender);
return sender;
}
// Decrements reference counter on sender, and if this connection is no longer used
// by any object, remove it
public static void UnregisterDataSender(InterModularDataSender sender)
{
InterModularConnection connection = GetConnection(sender.DataLabel);
if(connection.RemoveSender(sender))
_connections.Remove(connection);
}
// Removes sender from connection and returns true if connection is no longer used by any object
public bool RemoveSender(InterModularDataSender sender)
{
_senders.Remove(sender);
if (_receivers.Count == 0 && _senders.Count == 0)
return true;
return false;
}