public DefaultEventHandlerFactory(IEventHandlerActivator activator)
{
if (activator == null)
{
throw new ArgumentNullException(nameof(activator));
}
EventHandlerActivator = activator;
}
/// <summary>
/// Initializes a new instance of the <see cref="EventHandlerDescriptor"/> class.
/// </summary>
/// <param name="configuration">The <see cref="ProcessorConfiguration"/>.</param>
/// <param name="eventType">The type of the message.</param>
/// <param name="handlerType">The type of the handler.</param>
/// <param name="handleMethod">The <see cref="MethodInfo"/> of the "Handle" method.</param>
public EventHandlerDescriptor(ProcessorConfiguration configuration, Type eventType, Type handlerType, MethodInfo handleMethod)
: base(configuration, eventType, handlerType)
{
this.AddAttributesToCache(handleMethod.GetCustomAttributes(true));
this.actionExecutor = new Lazy <ActionExecutor>(() => InitializeActionExecutor(handleMethod, eventType));
this.handlerActivator = this.Configuration.Services.GetEventHandlerActivator();
this.Initialize();
}
private static void CreateEventHandlerActivatorTracer(ProcessorConfiguration configuration, ITraceWriter traceWriter)
{
Contract.Requires(configuration != null);
IEventHandlerActivator activator = GetService <IEventHandlerActivator>(configuration.Services);
if (activator != null && !(activator is EventHandlerActivatorTracer))
{
EventHandlerActivatorTracer tracer = new EventHandlerActivatorTracer(activator, traceWriter);
configuration.Services.Replace(typeof(IEventHandlerActivator), tracer);
}
}
public DefaultEventHandlerFactory()
{
EventHandlerActivator = new DefaultEventHandlerActivator();
}