private void CompleteResolver(
ITypeInitializationContext context)
{
if (Resolver == null)
{
Resolver = context.GetResolver(Name);
}
Middleware = context.CreateMiddleware(
_middlewareComponents, Resolver,
IsIntrospectionField ||
DeclaringType.IsIntrospectionType());
if (Resolver == null && Middleware == null)
{
if (_executableDirectives.Any())
{
Middleware = ctx => Task.CompletedTask;
}
else
{
context.ReportError(new SchemaError(
$"The field `{context.Type.Name}.{Name}` " +
"has no resolver.", (INamedType)context.Type));
}
}
_middlewareComponents = null;
}
private void CompleteResolver(
ICompletionContext context,
ObjectFieldDefinition definition)
{
bool isIntrospectionField = IsIntrospectionField ||
DeclaringType.IsIntrospectionType();
Resolver = definition.Resolver;
if (!isIntrospectionField || Resolver == null)
{
// gets resolvers that were provided via type extensions,
// explicit resolver results or are provided through the
// resolver compiler.
FieldResolver resolver =
context.GetResolver(definition.Name);
Resolver = GetMostSpecificResolver(
context.Type.Name, Resolver, resolver);
}
IReadOnlySchemaOptions options = context.DescriptorContext.Options;
bool skipMiddleware =
options.FieldMiddleware == FieldMiddlewareApplication.AllFields
? false
: isIntrospectionField;
Middleware = FieldMiddlewareCompiler.Compile(
context.GlobalComponents,
definition.MiddlewareComponents.ToArray(),
Resolver,
skipMiddleware);
if (Resolver == null && Middleware == null)
{
if (_executableDirectives.Any())
{
Middleware = ctx => Task.CompletedTask;
}
else
{
context.ReportError(SchemaErrorBuilder.New()
.SetMessage(
$"The field `{context.Type.Name}.{Name}` " +
"has no resolver.")
.SetCode(ErrorCodes.Schema.NoResolver)
.SetTypeSystemObject(context.Type)
.AddSyntaxNode(definition.SyntaxNode)
.Build());
}
}
}
private void CompleteResolver(
ICompletionContext context,
ObjectFieldDefinition definition)
{
bool isIntrospectionField = IsIntrospectionField ||
DeclaringType.IsIntrospectionType();
Resolver = definition.Resolver;
if (Resolver == null || !isIntrospectionField)
{
var fieldReference = new FieldReference(
context.Type.Name, definition.Name);
FieldResolver resolver = context.GetResolver(fieldReference);
if (resolver != null)
{
Resolver = resolver.Resolver;
}
}
Middleware = FieldMiddlewareCompiler.Compile(
context.GlobalComponents,
definition.MiddlewareComponents.ToArray(),
Resolver,
isIntrospectionField);
if (Resolver == null && Middleware == null)
{
if (_executableDirectives.Any())
{
Middleware = ctx => Task.CompletedTask;
}
else
{
context.ReportError(SchemaErrorBuilder.New()
.SetMessage(
$"The field `{context.Type.Name}.{Name}` " +
"has no resolver.")
.SetCode(TypeErrorCodes.NoResolver)
.SetTypeSystemObject(context.Type)
.AddSyntaxNode(definition.SyntaxNode)
.Build());
}
}
}
private void CompleteResolver(
ITypeCompletionContext context,
ObjectFieldDefinition definition)
{
var isIntrospectionField = IsIntrospectionField || DeclaringType.IsIntrospectionType();
IReadOnlyList <FieldMiddlewareDefinition> fieldMiddlewareDefinitions =
definition.GetMiddlewareDefinitions();
IReadOnlySchemaOptions options = context.DescriptorContext.Options;
var skipMiddleware =
options.FieldMiddleware != FieldMiddlewareApplication.AllFields &&
isIntrospectionField;
FieldResolverDelegates resolvers = CompileResolver(context, definition);
Resolver = resolvers.Resolver;
if (resolvers.PureResolver is not null && IsPureContext())
{
PureResolver = FieldMiddlewareCompiler.Compile(
definition.GetResultConverters(),
resolvers.PureResolver,
skipMiddleware);
}
// by definition fields with pure resolvers are parallel executable.
if (!IsParallelExecutable && PureResolver is not null)
{
IsParallelExecutable = true;
}
Middleware = FieldMiddlewareCompiler.Compile(
context.GlobalComponents,
fieldMiddlewareDefinitions,
definition.GetResultConverters(),
Resolver,
skipMiddleware);
if (Resolver is null && Middleware is null)
{
if (_executableDirectives.Length > 0)
{
Middleware = _ => default;
}
else
{
context.ReportError(
ObjectField_HasNoResolver(
context.Type.Name,
Name,
context.Type,
SyntaxNode));
}
}
bool IsPureContext()
{
return(skipMiddleware ||
context.GlobalComponents.Count == 0 &&
fieldMiddlewareDefinitions.Count == 0 &&
_executableDirectives.Length == 0);
}
}