private EventDescription CreateEvent(
IExecutionContext executionContext)
{
IReadOnlyCollection <FieldSelection> selections = executionContext
.FieldHelper.CollectFields(
executionContext.Operation.RootType,
executionContext.Operation.Definition.SelectionSet);
if (selections.Count == 1)
{
FieldSelection selection = selections.Single();
Dictionary <string, ArgumentValue> argumentValues = selection
.CoerceArgumentValues(executionContext.Variables);
var arguments = new List <ArgumentNode>();
foreach (KeyValuePair <string, ArgumentValue> argumentValue in
argumentValues)
{
IInputType argumentType = argumentValue.Value.Type;
object value = argumentValue.Value.Value;
arguments.Add(new ArgumentNode(
argumentValue.Key,
argumentType.ParseValue(value)));
}
return(new EventDescription(selection.Field.Name, arguments));
}
else
{
// TODO : Error message
throw new QueryException();
}
}
