private void ApplyMethodWithCaching(object instanceToApply, DomainEvent eventToApply, Dictionary <string, MethodInfo> cache)
{
try
{
var eventType = eventToApply.GetType();
var localKey = string.Format("{0},{1}", GetType().FullName, eventType);
MethodInfo method;
// Check of the handler (method info) for this event has been cached
if (cache.ContainsKey(localKey))
{
method = cache[localKey];
}
else
{
// Get the convention-based handler
method = instanceToApply.GetAppliedEventMethodNamed(eventToApply.GetEventMethodName(), eventType);
cache.Add(localKey, method);
}
// Call the handler if it exists; otherwise dynamically call "Apply."
if (method != null)
{
method.Invoke(instanceToApply, new object[] { eventToApply });
}
else
{
instanceToApply.AsDynamic().Apply(eventToApply);
}
}
catch (Exception)
{
// The entity has no internal handler for the event. No
// need to trow an error.
}
}