protected sealed override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
object[] parameters;
object data = executionContext.GetService(InterfaceType);
MethodInfo invoke = InterfaceType.GetMethod(MethodName);
ParameterInfo[] pars = invoke.GetParameters();
parameters = new object [pars.Length];
for (int i = 0; i < pars.Length; i++)
{
ParameterBindings.Add(new WorkflowParameterBinding(pars[i].Name));
}
// User may set the ParameterBindings
OnMethodInvoking(new EventArgs());
for (int i = 0; i < pars.Length; i++)
{
parameters[i] = (ParameterBindings [pars[i].Name]).Value;
}
InterfaceType.InvokeMember(MethodName,
BindingFlags.InvokeMethod,
null, data,
parameters);
OnMethodInvoked(new EventArgs());
NeedsExecution = false;
return(ActivityExecutionStatus.Closed);
}
private object Execute(IRequestMessage requestMessage)
{
try
{
return(InterfaceType.InvokeMember(requestMessage.MethodName, BindingFlags.Instance | BindingFlags.InvokeMethod | BindingFlags.Public, null, Handler, requestMessage.Args));
}
catch (MissingMemberException)
{
throw new InvalidOperationException(string.Format(
"Unable to call {0}({1}) method on {2} handler: no matching method was found.",
requestMessage.MethodName,
string.Join(",", requestMessage.Args.Select(a => a == null ? "null" : a.GetType().Name)),
HandledMessageType));
}
catch (TargetInvocationException e)
{
throw e.InnerException;
}
}
