private static Actor Start(ConstructorInfo ctor, IAddress address, Definition definition, ILogger logger)
{
Actor actor = null;
object[] args = null;
Exception cause = null;
for (var times = 1; times <= 2; ++times)
{
try
{
if (times == 1)
{
args = definition.InternalParameters().ToArray();
}
actor = (Actor)ctor.Invoke(definition.InternalParameters().ToArray());
actor.LifeCycle.SendStart(actor);
cause = null;
return(actor);
}
catch (Exception ex)
{
cause = ex.InnerException ?? ex;
if (times == 1)
{
args = Unfold(args);
}
}
}
if (cause != null)
{
logger.Log("ActorFactory: failed actor creation. "
+ "This is sometimes cause by the constructor parameter types not matching "
+ "the types in the Definition.parameters(). Often it is caused by a "
+ "failure in the actor constructor. We have attempted to uncover "
+ "the root cause here, but that may not be available in some cases.\n"
+ "The root cause may be: " + cause.Message + "\n"
+ "See stacktrace for more information. We strongly recommend reviewing your "
+ "constructor for possible failures in dependencies that it creates.",
cause);
throw new ArgumentException($"ActorFactory failed actor creation for: {address}");
}
return(actor);
}
internal static Actor ActorFor(
Stage stage,
Actor?parent,
Definition definition,
IAddress address,
IMailbox mailbox,
ISupervisor?supervisor,
ILogger logger)
{
var environment = new Environment(
stage,
address,
definition,
parent,
mailbox,
supervisor,
ActorLoggerAdapter.From(logger, address, definition.Type !));
ThreadLocalEnvironment.Value = environment;
Actor?actor = null;
var definitionParameterCount = definition.InternalParameters().Count();
if (definitionParameterCount == 0)
{
actor = (Actor)Activator.CreateInstance(definition.Type);
actor.LifeCycle.SendStart(actor);
}
else
{
foreach (var ctor in definition.Type !.GetConstructors())
{
if (ctor.GetParameters().Length != definitionParameterCount)
{
continue;
}
actor = Start(ctor, address, definition, logger);
if (actor != null)
{
break;
}
}
}
if (actor == null)
{
throw new MissingMethodException("No constructor matches the given number of parameters.");
}
if (parent != null)
{
parent.LifeCycle.Environment.AddChild(actor);
}
return(actor);
}
internal static Actor ActorFor(
Stage stage,
Actor?parent,
Definition definition,
IAddress address,
IMailbox mailbox,
ISupervisor?supervisor,
ILogger logger)
{
var environment = new Environment(
stage,
address,
definition,
parent,
mailbox,
supervisor,
ActorLoggerAdapter.From(logger, address, definition.Type !));
ThreadLocalEnvironment.Value = environment;
Actor?actor = null;
var definitionParameterCount = definition.InternalParameters().Count();
if (definitionParameterCount == 0)
{
if (definition.Type != null)
{
actor = (Actor)Activator.CreateInstance(definition.Type) !;
actor.LifeCycle.SendStart(actor);
}
}
else
{
foreach (var ctor in definition.Type !.GetConstructors())
{
var expectedConstructorParameters = definition.InternalParameters().ToList();
var actualParametersInfosOfConstructor = ctor.GetParameters();
if (actualParametersInfosOfConstructor.Length != definitionParameterCount)
{
continue;
}
var differentParameterType = false;
for (var i = 0; i < actualParametersInfosOfConstructor.Length; i++)
{
if (actualParametersInfosOfConstructor[i].ParameterType != expectedConstructorParameters[i].GetType() &&
!actualParametersInfosOfConstructor[i].ParameterType.IsAssignableFrom(expectedConstructorParameters[i].GetType()))
{
differentParameterType = true;
break;
}
}
if (differentParameterType)
{
continue;
}
actor = Start(ctor, address, definition, logger);
if (actor != null)
{
break;
}
}
}
if (actor == null)
{
throw new MissingMethodException("No constructor matches the given number of parameters.");
}
if (parent != null)
{
parent.LifeCycle.Environment.AddChild(actor);
}
return(actor);
}
internal static Actor ActorFor(
Stage stage,
Actor parent,
Definition definition,
IAddress address,
IMailbox mailbox,
ISupervisor supervisor,
ILogger logger)
{
var environment = new Environment(
stage,
address,
definition,
parent,
mailbox,
supervisor,
logger);
ThreadLocalEnvironment.Value = environment;
Actor actor = null;
int definitionParameterCount = definition.InternalParameters().Count;
if (definitionParameterCount == 0)
{
actor = (Actor)Activator.CreateInstance(definition.Type);
}
else
{
foreach (var ctor in definition.Type.GetConstructors())
{
if (ctor.GetParameters().Length != definitionParameterCount)
{
continue;
}
try
{
actor = (Actor)ctor.Invoke(definition.InternalParameters().ToArray());
actor.LifeCycle.SendStart(actor);
}
catch (Exception ex)
{
var cause = ex.InnerException ?? ex;
logger.Log("ActorFactory: failed actor creation. "
+ "This is sometimes cause be the constructor parameter types not matching "
+ "the types in the Definition.parameters(). Often it is caused by a "
+ "failure in the actor constructor. We have attempted to uncover "
+ "the root cause here, but that may not be available in some cases.\n"
+ "The root cause may be: " + cause.Message + "\n"
+ "See stacktrace for more information. We strongly recommend reviewing your "
+ "constructor for possible failures in dependencies that it creates.",
cause);
}
break;
}
}
if (actor == null)
{
throw new ArgumentException("No constructor matches the given number of parameters.");
}
if (parent != null)
{
parent.LifeCycle.Environment.AddChild(actor);
}
return(actor);
}
internal static Actor ActorFor(
Stage stage,
Actor parent,
Definition definition,
Address address,
IMailbox mailbox,
ISupervisor supervisor,
ILogger logger)
{
var environment = new Environment(
stage,
address,
definition,
parent,
mailbox,
supervisor,
logger);
ThreadLocalEnvironment.Value = environment;
Actor actor = null;
int definitionParameterCount = definition.InternalParameters().Count;
if (definitionParameterCount == 0)
{
actor = (Actor)Activator.CreateInstance(definition.Type);
}
else
{
foreach (var ctor in definition.Type.GetConstructors())
{
if (ctor.GetParameters().Length != definitionParameterCount)
{
continue;
}
try
{
actor = (Actor)ctor.Invoke(definition.InternalParameters().ToArray());
actor.LifeCycle.SendStart(actor);
}
catch (Exception ex)
{
logger.Log($"vlingo-net/actors: ActorFactory: failed because: {ex.Message}", ex);
Console.WriteLine(ex.StackTrace);
}
break;
}
}
if (actor == null)
{
throw new ArgumentException("No constructor matches the given number of parameters.");
}
if (parent != null)
{
parent.LifeCycle.Environment.AddChild(actor);
}
return(actor);
}