private static FunctionDescriptor CreateFunctionDescriptor(MethodInfo method, string triggerParameterName,
ITriggerBinding triggerBinding, IReadOnlyDictionary <string, IBinding> nonTriggerBindings)
{
List <ParameterDescriptor> parameters = new List <ParameterDescriptor>();
foreach (ParameterInfo parameter in method.GetParameters())
{
string name = parameter.Name;
if (name == triggerParameterName)
{
parameters.Add(triggerBinding.ToParameterDescriptor());
}
else
{
parameters.Add(nonTriggerBindings[name].ToParameterDescriptor());
}
}
// Determine the TraceLevel for this function (affecting both Console as well as Dashboard logging)
TraceLevelAttribute traceAttribute = TypeUtility.GetHierarchicalAttributeOrNull <TraceLevelAttribute>(method);
return(new FunctionDescriptor
{
Id = method.GetFullName(),
Method = method,
FullName = method.GetFullName(),
ShortName = method.GetShortName(),
Parameters = parameters,
TraceLevel = traceAttribute?.Level ?? TraceLevel.Verbose,
TriggerParameterDescriptor = parameters.OfType <TriggerParameterDescriptor>().FirstOrDefault(),
TimeoutAttribute = TypeUtility.GetHierarchicalAttributeOrNull <TimeoutAttribute>(method),
SingletonAttributes = method.GetCustomAttributes <SingletonAttribute>()
});
}
internal static TraceLevel GetFunctionTraceLevel(IFunctionInstance functionInstance)
{
TraceLevel functionTraceLevel = TraceLevel.Verbose;
// Determine the TraceLevel for this function (affecting both Console as well as Dashboard logging)
TraceLevelAttribute attribute = TypeUtility.GetHierarchicalAttributeOrNull <TraceLevelAttribute>(functionInstance.FunctionDescriptor.Method);
if (attribute != null)
{
functionTraceLevel = attribute.Level;
}
return(functionTraceLevel);
}
// Expose internally for testing purposes
internal static FunctionDescriptor FromMethod(
MethodInfo method,
IJobActivator jobActivator = null,
INameResolver nameResolver = null)
{
var disabled = HostListenerFactory.IsDisabled(method, nameResolver, jobActivator);
// Determine the TraceLevel for this function (affecting both Console as well as Dashboard logging)
TraceLevelAttribute traceAttribute = TypeUtility.GetHierarchicalAttributeOrNull <TraceLevelAttribute>(method);
bool hasCancellationToken = method.GetParameters().Any(p => p.ParameterType == typeof(CancellationToken));
string logName = method.Name;
string shortName = method.GetShortName();
FunctionNameAttribute nameAttribute = method.GetCustomAttribute <FunctionNameAttribute>();
if (nameAttribute != null)
{
logName = nameAttribute.Name;
shortName = logName;
if (!FunctionNameAttribute.FunctionNameValidationRegex.IsMatch(logName))
{
throw new InvalidOperationException(string.Format("'{0}' is not a valid function name.", logName));
}
}
return(new FunctionDescriptor
{
Id = method.GetFullName(),
LogName = logName,
FullName = method.GetFullName(),
ShortName = shortName,
IsDisabled = disabled,
HasCancellationToken = hasCancellationToken,
TraceLevel = traceAttribute?.Level ?? TraceLevel.Verbose,
TimeoutAttribute = TypeUtility.GetHierarchicalAttributeOrNull <TimeoutAttribute>(method),
SingletonAttributes = method.GetCustomAttributes <SingletonAttribute>(),
MethodLevelFilters = method.GetCustomAttributes().OfType <IFunctionFilter>(),
ClassLevelFilters = method.DeclaringType.GetCustomAttributes().OfType <IFunctionFilter>()
});
}
