/// <summary>
///
/// </summary>
///
/// <param name="canonicalEvent"></param>
///
public CanonicalEventArgs(CanonicalEvent canonicalEvent)
{
if (canonicalEvent == null)
{
throw new ArgumentNullException("canonicalEvent");
}
this.canonicalEvent = canonicalEvent;
}
/// <summary>
///
/// </summary>
///
public override void Listen()
{
CanonicalEvent @event = new CanonicalEvent();
@event.EventType = "StandardEvent";
@event.Payload = "<message description=\"standard event\" />";
FireOnEventSourceReceievedEvent(@event);
Deliver(@event);
}
/// <summary>
///
/// </summary>
///
/// <param name="@event"></param>
///
public void Send(CanonicalEvent @event)
{
EventItem<CanonicalEvent> item = new EventItem<CanonicalEvent>(@event);
lock (queue)
{
if (Logger.IsDebugEnabled)
{
LogDebug("channel size: {0}.", queue.Count);
}
queue.Enqueue(item);
Monitor.Pulse(queue);
// disable the following line to make this a blocking channel.
// Monitor.Wait(queue);
}
}
/// <summary>
///
/// </summary>
///
/// <param name="@event"></param>
///
public override void Process(CanonicalEvent @event)
{
if (@event == null)
{
LogWarn("received null event!");
return;
}
List<IEventRule> rules = EventRuleRegistry.GetRules(@event.EventType);
if (rules == null)
{
return;
}
foreach (EventRule rule in rules)
{
rule.Invoke(@event);
}
}
/// <summary>
///
/// </summary>
///
/// <param name="@event"></param>
///
protected void FireOnEventNotificationReceievedEvent(CanonicalEvent @event)
{
if (OnEventNotificationReceived != null)
{
OnEventNotificationReceived.Invoke(this, new CanonicalEventArgs(@event));
}
}
/// <summary> /// /// </summary> /// /// <param name="@event"></param> /// public abstract void Notify(CanonicalEvent @event);
/// <summary>
///
/// </summary>
///
/// <param name="@event"></param>
///
public override void Notify(CanonicalEvent @event)
{
Console.WriteLine("firing event notification...");
}
/// <summary> /// /// </summary> /// /// <param name="@event"></param> /// public abstract void Execute(CanonicalEvent @event);
/// <summary>
///
/// </summary>
///
/// <param name="@event"></param>
/// <param name="destination"></param>
///
protected void Deliver(CanonicalEvent @event)
{
if (outputStream != null)
{
if (Logger.IsDebugEnabled)
{
LogDebug("delivering event type: {0} to destination: {1}.", @event.EventType, destination);
}
outputStream.Send(@event);
}
}
/// <summary>
///
/// </summary>
///
/// <param name="@event"></param>
///
protected void FireOnEventProcessEndEvent(CanonicalEvent @event)
{
if (OnEventProcessEnd != null)
{
OnEventProcessEnd.Invoke(this, new CanonicalEventArgs(@event));
}
}
/// <summary> /// /// </summary> /// /// <param name="@event"></param> /// public abstract void Process(CanonicalEvent @event);
/// <summary>
///
/// </summary>
///
/// <param name="@event"></param>
///
protected void FireOnEventSourceDeliveredEvent(CanonicalEvent @event)
{
if (OnEventSourceDelivered != null)
{
OnEventSourceDelivered.Invoke(this, new CanonicalEventArgs(@event));
}
}
/// <summary>
///
/// </summary>
///
/// <param name="@event"></param>
///
protected virtual void Deliver(CanonicalEvent @event)
{
try
{
if (!initialized)
{
if (Logger.IsErrorEnabled)
{
LogError("source has not initialized for destination: {0}.", destination);
}
throw new EventSourceException("source has not initialized for destination: {0}.", destination);
}
outputStream.Send(@event);
FireOnEventSourceDeliveredEvent(@event);
}
catch(Exception exception)
{
if (Logger.IsErrorEnabled)
{
LogError("failed to deliver event.", exception);
}
FireOnInternalEventSourceExceptionEvent(exception);
}
}
