public void Scatter(Envelope <TRequest> request, IGatherReceiver <TResponse> scatter)
{
var action = new DispatchableScatter <TRequest, TResponse>(_action, request, Id, Name, scatter);
var context = _workerPool.GetThreadPoolDispatcher();
context.DispatchAction(action);
}
public DispatchableScatter(IParticipantReference <TRequest, TResponse> func, Envelope <TRequest> request, Guid participantId, string name, IGatherReceiver <TResponse> scatter)
{
_func = func;
_request = request;
_name = name;
_scatter = scatter;
ParticipantId = participantId;
}
public void Scatter(Envelope <TRequest> request, IGatherReceiver <TResponse> scatter)
{
var thread = _workerPool.GetFreeWorkerDispatcher();
if (thread == null)
{
ImmediateParticipant <TRequest, TResponse> .GetResponses(Id, _func, request, scatter, Name);
return;
}
var responseWaiter = new DispatchableScatter <TRequest, TResponse>(_func, request, Id, Name, scatter);
thread.DispatchAction(responseWaiter);
}
public void Scatter <TRequest, TResponse>(string topic, Envelope <TRequest> envelope, IGatherReceiver <TResponse> scatter)
{
Assert.ArgumentNotNull(envelope, nameof(envelope));
Assert.ArgumentNotNull(scatter, nameof(scatter));
var topicEnvelope = envelope.RedirectToTopic(topic);
var participants = _store.GetParticipants <TRequest, TResponse>(topic);
_log.Debug("Scattering RequestType={0} ResponseType={1} Topic={2}", typeof(TRequest).FullName, typeof(TResponse).FullName, topic);
foreach (var participant in participants)
{
try
{
scatter.AddParticipant(participant.Id);
participant.Scatter(topicEnvelope, scatter);
}
catch (Exception e)
{
_log.Error($"Unhandled scatter request Type={typeof(TRequest).FullName}, {typeof(TResponse).FullName} Topic={topic}: {e.Message}\n{e.StackTrace}");
}
if (participant.ShouldStopParticipating)
{
_store.RemoveParticipant(topic, participant);
}
}
}
public Receiver(ICircuitBreaker circuitBreaker, IGatherReceiver <TResponse> inner)
{
_circuitBreaker = circuitBreaker;
_inner = inner;
}
public static void GetResponses(Guid id, IParticipantReference <TRequest, TResponse> func, Envelope <TRequest> request, IGatherReceiver <TResponse> scatter, string name)
{
try
{
var response = func.Invoke(request);
scatter.AddResponse(id, ScatterResponse <TResponse> .Success(id, name, response));
}
catch (Exception e)
{
scatter.AddResponse(id, ScatterResponse <TResponse> .Error(id, name, e));
}
}
public void Scatter(Envelope <TRequest> request, IGatherReceiver <TResponse> scatter)
{
GetResponses(Id, _func, request, scatter, Name);
}
