public ResolverContext(
IExecutionContext executionContext,
ResolverTask resolverTask)
{
if (executionContext == null)
{
throw new ArgumentNullException(nameof(executionContext));
}
if (resolverTask == null)
{
throw new ArgumentNullException(nameof(resolverTask));
}
_executionContext = executionContext;
_resolverTask = resolverTask;
_arguments = _argumentResolver.CoerceArgumentValues(
resolverTask.ObjectType, resolverTask.FieldSelection,
executionContext.Variables);
}
public ResolverContext(
IExecutionContext executionContext,
ResolverTask resolverTask,
CancellationToken requestAborted)
{
if (executionContext == null)
{
throw new ArgumentNullException(nameof(executionContext));
}
if (resolverTask == null)
{
throw new ArgumentNullException(nameof(resolverTask));
}
_executionContext = executionContext;
_resolverTask = resolverTask;
RequestAborted = requestAborted;
_arguments = _argumentResolver.CoerceArgumentValues(
resolverTask.FieldSelection, executionContext.Variables);
}
private EventDescription CreateEvent(IExecutionContext executionContext)
{
IReadOnlyCollection <FieldSelection> selections = executionContext
.CollectFields(
executionContext.OperationType,
executionContext.Operation.SelectionSet);
if (selections.Count == 1)
{
FieldSelection selection = selections.Single();
var argumentResolver = new ArgumentResolver();
Dictionary <string, ArgumentValue> argumentValues =
argumentResolver.CoerceArgumentValues(
selection,
executionContext.Variables);
List <ArgumentNode> arguments = new List <ArgumentNode>();
foreach (var 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();
}
}
