public override IActionRequest ToRequest(Type payloadType, IActionRequestPayload payload)
{
var requestType = typeof(ContinuationActionRequest <>);
var genericType = requestType.MakeGenericType(payloadType);
return(ConstructRequest(genericType, ActionName, payload, Continuations.ToList()) as IActionRequest);
}
public override IActionRequest ToRequest(Type payloadType, IActionRequestPayload payload)
{
var requestType = typeof(GatedActionRequest <>);
var genericType = requestType.MakeGenericType(payloadType);
return(Activator.CreateInstance(genericType, ActionName, payload, GateDescriptors) as IActionRequest);
}
private IActionRequest ConstructRequest(Type requestType, string actionName, IActionRequestPayload payload, List <ActionRequestDescriptor> continuations)
{
foreach (var constructor in requestType.GetConstructors())
{
var parameters = constructor.GetParameters();
switch (parameters.Length)
{
case 2:
if (parameters[0].ParameterType.IsAssignableFrom(payload.GetType()) &&
parameters[1].ParameterType.IsAssignableFrom(continuations.GetType()))
{
return(Activator.CreateInstance(requestType, payload, continuations) as IActionRequest);
}
break;
case 3:
if (parameters[0].ParameterType == typeof(string) &&
parameters[1].ParameterType.IsAssignableFrom(payload.GetType()) &&
parameters[2].ParameterType.IsAssignableFrom(continuations.GetType()))
{
return(Activator.CreateInstance(requestType, ActionName, payload, continuations) as IActionRequest);
}
break;
}
}
return(base.ConstructRequest(requestType, payload));
}
protected IActionRequest ConstructRequest(Type requestType, IActionRequestPayload payload)
{
foreach (var constructor in requestType.GetConstructors())
{
var parameters = constructor.GetParameters();
switch (parameters.Length)
{
case 1:
if (parameters[0].ParameterType.IsAssignableFrom(payload.GetType()))
{
return(Activator.CreateInstance(requestType, payload) as IActionRequest);
}
break;
case 2:
if (parameters[0].ParameterType == typeof(string) &&
parameters[1].ParameterType.IsAssignableFrom(payload.GetType()))
{
return(Activator.CreateInstance(requestType, ActionName, payload) as IActionRequest);
}
break;
}
}
throw new ActionProcessorException($"Could not find a suitable constructor for type: {requestType.Name}");
}
public virtual IActionRequest ToRequest(Type payloadType, IActionRequestPayload payload)
{
if (RequestType.IsGenericType)
{
var genericType = RequestType.MakeGenericType(payloadType);
return(ConstructRequest(genericType, payload));
}
else
{
var payloadProperty = RequestType.GetProperty(nameof(IActionRequest.Payload), BindingFlags.Public | BindingFlags.Instance);
if (payloadProperty.PropertyType.IsAssignableFrom(payloadType))
{
return(ConstructRequest(RequestType, payload));
}
throw new ActionProcessorException($"The request payload type is incompatible with the given action request descriptor '{RequestType.Name}'.");
}
}
public SuccessStateChange(IActionRequestPayload newPayload, IActionProcessingState newState)
: base(newPayload, newState)
{
}
public SuccessStateChange(IActionRequestPayload newPayload, IActionProcessingState newState, string message = null)
: base(newPayload, newState, message)
{
}
public FailureStateChange(IActionRequestPayload newPayload, IActionProcessingState newState, IEnumerable <string> messages = null)
: base(newPayload, newState, messages)
{
}
public StateChangeResult(IActionRequestPayload newPayload, IActionProcessingState newState, string message)
: this(newPayload, newState, Enumerable.Repeat(message, 1))
{
}
public StateChangeResult(IActionRequestPayload newPayload, IActionProcessingState newState, IEnumerable <string> messages = null)
{
NewPayload = newPayload;
NewState = newState;
Messages = new List <string>(messages ?? Enumerable.Empty <string>());
}