public Task StartAsync(OnMessage messageHandler, OnMessageException exceptionHandler, OnMessageOptions options)
{
lock (_initializationLock)
{
if (_initialized)
{
throw new MessageReceiverException("Message receiver has already been initialized.");
}
if (messageHandler == null)
{
throw new ArgumentNullException("messageHandler");
}
if (options == null)
{
options = _defaultOptions;
}
// Log.
ServiceBusEventSource.Log.MessagePumpStart(GetType().Name, Namespace, Path, options.AutoRenewTimeout, options.MaxConcurrentCalls);
// Initialize the handler options.
var messageOptions = new Microsoft.ServiceBus.Messaging.OnMessageOptions();
messageOptions.AutoComplete = options.AutoComplete;
messageOptions.AutoRenewTimeout = options.AutoRenewTimeout;
messageOptions.MaxConcurrentCalls = options.MaxConcurrentCalls;
messageOptions.ExceptionReceived += (s, e) =>
{
if (e.Exception != null)
{
// Log.
ServiceBusEventSource.Log.MessagePumpExceptionReceived(Namespace, Path,
e.Action, e.Exception);
// Handle exception.
if (exceptionHandler != null)
{
exceptionHandler(e.Action, e.Exception);
}
}
};
// Mark receiver as initialized.
_initialized = true;
// Start.
return(OnStartAsync(messageHandler, messageOptions));
}
}
public Task StartAsync(OnMessage messageHandler, OnMessageException exceptionHandler, OnMessageOptions options)
{
lock (_initializationLock)
{
if (_initialized)
throw new MessageReceiverException("Message receiver has already been initialized.");
if (messageHandler == null)
throw new ArgumentNullException("messageHandler");
if (options == null)
options = _defaultOptions;
// Log.
ServiceBusEventSource.Log.MessagePumpStart(GetType().Name, Namespace, Path, options.AutoRenewTimeout, options.MaxConcurrentCalls);
// Initialize the handler options.
var messageOptions = new Microsoft.ServiceBus.Messaging.OnMessageOptions();
messageOptions.AutoComplete = options.AutoComplete;
messageOptions.AutoRenewTimeout = options.AutoRenewTimeout;
messageOptions.MaxConcurrentCalls = options.MaxConcurrentCalls;
messageOptions.ExceptionReceived += (s, e) =>
{
if (e.Exception != null)
{
// Log.
ServiceBusEventSource.Log.MessagePumpExceptionReceived(Namespace, Path,
e.Action, e.Exception);
// Handle exception.
if (exceptionHandler != null)
exceptionHandler(e.Action, e.Exception);
}
};
// Mark receiver as initialized.
_initialized = true;
// Start.
return OnStartAsync(messageHandler, messageOptions);
}
}
/// <summary>
/// Start the handler.
/// </summary>
/// <returns></returns>
internal override Task OnStartAsync(OnMessage messageHandler, Microsoft.ServiceBus.Messaging.OnMessageOptions messageOptions)
{
_client.OnMessageAsync(msg => HandleMessage(messageHandler, msg), messageOptions);
return(Task.FromResult(false));
}
internal abstract Task OnStartAsync(OnMessage messageHandler, Microsoft.ServiceBus.Messaging.OnMessageOptions messageOptions);
