/// <summary>
/// Called when a listener is removed from the service bus
/// </summary>
/// <param name="endpoint"></param>
protected internal virtual void OnListenerRemoved(ListenerEndpoint endpoint)
{
}
/// <summary>
/// Called when a listener is removed from the service bus
/// </summary>
/// <param name="endpoint"></param>
protected virtual internal void OnListenerRemoved(ListenerEndpoint endpoint)
{
}
public void AddListener(ListenerEndpoint endpoint)
{
if (_disposed) throw new ObjectDisposedException("ServiceBusRuntime");
if (endpoint == null) throw new ArgumentNullException("endpoint");
if (endpoint.Listener.Runtime != null)
{
throw new InvalidOperationException("Listener is attached to a bus already");
}
bool added = false;
try
{
using (TransactionScope ts = new TransactionScope())
{
lock (_listenerEndpointsLock)
{
endpoint.Listener.Runtime = this;
_listenerEndpoints.Add(endpoint);
added = true;
}
foreach (RuntimeService service in ServiceLocator.GetAllInstances<RuntimeService>())
{
service.OnListenerAdded(endpoint);
}
EventHandler<EndpointEventArgs> listenEvent = ListenerAdded;
if (listenEvent != null) listenEvent(this, new EndpointEventArgs(endpoint));
if (_started)
{
endpoint.Listener.StartInternal();
}
ts.Complete();
}
}
catch
{
if (added)
{
// remove on failure
lock (_listenerEndpointsLock)
{
_listenerEndpoints.Remove(endpoint);
}
}
throw;
}
}
public void RemoveListener(ListenerEndpoint endpoint)
{
if (_disposed) throw new ObjectDisposedException("ServiceBusRuntime");
if (endpoint == null) throw new ArgumentNullException("endpoint");
bool removed = false;
try
{
using(TransactionScope ts = new TransactionScope())
{
lock(_listenerEndpointsLock)
{
_listenerEndpoints.Remove(endpoint);
endpoint.Listener.Runtime = null;
}
foreach (RuntimeService service in ServiceLocator.GetAllInstances<RuntimeService>())
{
service.OnListenerRemoved(endpoint);
}
EventHandler<EndpointEventArgs> unlistenEvent = ListenerRemoved;
if (unlistenEvent != null) unlistenEvent(this, new EndpointEventArgs(endpoint));
ts.Complete();
}
}
catch
{
if (removed)
{
// re-add on failure
lock (_listenerEndpointsLock)
{
_listenerEndpoints.Add(endpoint);
}
}
throw;
}
}
public void AddListener(ListenerEndpoint endpoint)
{
if (_disposed)
{
throw new ObjectDisposedException("ServiceBusRuntime");
}
if (endpoint == null)
{
throw new ArgumentNullException("endpoint");
}
if (endpoint.Listener.Runtime != null)
{
throw new InvalidOperationException("Listener is attached to a bus already");
}
bool added = false;
try
{
using (TransactionScope ts = new TransactionScope())
{
lock (_listenerEndpointsLock)
{
endpoint.Listener.Runtime = this;
_listenerEndpoints.Add(endpoint);
added = true;
}
foreach (RuntimeService service in ServiceLocator.GetAllInstances <RuntimeService>())
{
service.OnListenerAdded(endpoint);
}
EventHandler <EndpointEventArgs> listenEvent = ListenerAdded;
if (listenEvent != null)
{
listenEvent(this, new EndpointEventArgs(endpoint));
}
if (_started)
{
endpoint.Listener.StartInternal();
}
ts.Complete();
}
}
catch
{
if (added)
{
// remove on failure
lock (_listenerEndpointsLock)
{
_listenerEndpoints.Remove(endpoint);
}
}
throw;
}
}