/// <summary>
/// Equals so that values can be compared
/// </summary>
public override bool Equals(object obj)
{
if (obj == null)
{
return(false);
}
TestBusKey key = obj as TestBusKey;
return(Equals(key));
}
/// <summary>
/// Create a new queue wrapper object in the dictionary of the bus
/// </summary>
public virtual void StartReceivingMessages()
{
if (IsListening)
{
throw new BusConfigurationException("Receiver is already listening to events!");
}
foreach (string topic in TopicFilters)
{
Logger.LogDebug($"Creating queue {QueueName} with topic {topic}");
TestBusKey key = new TestBusKey(QueueName, topic);
Context.DataQueues[key] = new TestBusQueueWrapper <EventMessage>();
}
IsListening = true;
}
/// <summary>
/// Create a new thread with an endless loop that waits for new
/// messages in a specific queue
/// </summary>
public virtual void StartHandlingMessages(EventMessageReceivedCallback callback)
{
foreach (string topic in TopicFilters)
{
Logger.LogDebug($"Creating thread for queue {QueueName} with topic {topic}");
Thread thread = new Thread(() => {
while (true)
{
// If the receiver is paused, keep it waiting
if (IsPaused)
{
Thread.Sleep(1000);
continue;
}
TestBusKey key = new TestBusKey(QueueName, topic);
Logger.LogTrace($"Waiting for message on queue {QueueName} with topic {topic}");
// Wait for messages
Context.DataQueues[key].AutoResetEvent.WaitOne();
// If the thread was paused while a message came in, reset the resetevent and continue
if (IsPaused)
{
Context.DataQueues[key].AutoResetEvent.Set();
continue;
}
Context.DataQueues[key].Queue.TryDequeue(out EventMessage result);
Logger.LogDebug($"Message received on queue {QueueName} with topic {topic}");
callback(result);
}
});
thread.IsBackground = true;
thread.Start();
}
}
private bool Equals(TestBusKey other) => _queueName == other._queueName && _topicName == other._topicName;