public ServiceWorkflow(S Service, OperationArgParser Parser, params OperationExecSpec[] Steps)
: base(Steps)
{
this.Service = Service;
Invocations = rolist(this.Describe <S>().Where(x => x.IsSome()).Values());
this.ServiceDescription = ClrInterfaceDescription.Create <S>();
}
public static IEnumerable <IOption> Execute <T>(this OperationWorkflow workflow, T host, OperationArgParser parser = null)
{
var requested = Describe <T>(workflow);
foreach (var i in requested.Where(i => i.IsNone()))
{
yield return(i);
}
var available = requested.Where(i => i.Exists).Select(i => i.Require()).ToList();
foreach (var invocation in available)
{
yield return(Execute(invocation, host, parser));
}
}
public static IOption Execute(this ClrMethodCallDescription description, object host, OperationArgParser parser = null)
{
var parse = parser ?? DefaultParser;
var method = description.Operation.Method;
var args = description.Arguments;
var argValues = map(args,
arg => (arg.ParameterName.ToString(),
parse(arg.ParameterType, arg.ArgumentValue)));
return((IOption)method.ReflectedElement.Invoke(host, argValues.Select(x => x.Item2).ToArray()));
}
