public static IKernelEventEnvelope Create(IKernelEvent @event)
{
var factory = _envelopeFactories.GetOrAdd(
@event.GetType(),
eventType =>
{
var genericType = _envelopeTypesByEventTypeName[@event.GetType().Name];
var constructor = genericType.GetConstructors().Single();
var eventParameter = Expression.Parameter(
typeof(IKernelEvent),
"e");
var newExpression = Expression.New(
constructor,
Expression.Convert(eventParameter, eventType));
var expression = Expression.Lambda <Func <IKernelEvent, IKernelEventEnvelope> >(
newExpression,
eventParameter);
return(expression.Compile());
});
return(factory(@event));
}
public static StreamKernelEvent ToStreamKernelEvent(IKernelEvent kernelEvent, int correlationId)
{
return(new StreamKernelEvent
{
Id = correlationId,
EventType = kernelEvent.GetType().Name,
Event = kernelEvent
});
}
private void Write(IKernelEvent e, int id)
{
var wrapper = new StreamKernelEvent
{
Id = id,
Event = e,
EventType = e.GetType().Name
};
var serialized = wrapper.Serialize();
_output.Write(serialized);
}
private void Write(IKernelEvent e, int id)
{
var wrapper = new StreamKernelEvent
{
Id = id,
Event = e,
EventType = e.GetType().Name
};
var serialized = JsonConvert.SerializeObject(wrapper, _jsonSerializerSettings);
_output.WriteLine(serialized);
_output.Flush();
}
public void All_event_types_are_round_trip_serializable(IKernelEvent @event)
{
var originalEnvelope = KernelEventEnvelope.Create(@event);
var json = KernelEventEnvelope.Serialize(originalEnvelope);
_output.WriteLine($"{Environment.NewLine}{@event.GetType().Name}: {Environment.NewLine}{json}");
var deserializedEnvelope = KernelEventEnvelope.Deserialize(json);
deserializedEnvelope
.Should()
.BeEquivalentTo(originalEnvelope);
}
private void Write(IKernelEvent kernelEvent, int correlationId)
{
if (kernelEvent is ReturnValueProduced rvp && rvp.Value is DisplayedValue)
{
return;
}
var wrapper = new StreamKernelEvent
{
Id = correlationId,
Event = kernelEvent,
EventType = kernelEvent.GetType().Name
};
var serialized = wrapper.Serialize();
_output.Write(serialized);
}