/// <summary>
/// Initializes a new instance of the <see cref="ResolveFieldContext"/> class.
/// </summary>
/// <param name="fieldName">Name of the field.</param>
/// <param name="fieldAst">The field ast.</param>
/// <param name="fieldDefinition">The field definition.</param>
/// <param name="returnType">Type of the return.</param>
/// <param name="parentType">Type of the parent.</param>
/// <param name="arguments">The arguments.</param>
/// <param name="rootValue">The root value.</param>
/// <param name="source">The source.</param>
/// <param name="schema">The schema.</param>
/// <param name="operation">The operation.</param>
/// <param name="fragments">The fragments.</param>
/// <param name="variables">The variables.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="userContext">The user context.</param>
public ResolveFieldContext(
string fieldName,
Field fieldAst,
FieldType fieldDefinition,
GraphType returnType,
ObjectGraphType parentType,
IReadOnlyDictionary<string, object> arguments,
object rootValue,
object source,
ISchema schema,
Operation operation,
IEnumerable<IFragment> fragments,
IEnumerable<Variable> variables,
CancellationToken cancellationToken,
object userContext)
{
FieldName = fieldName;
FieldAst = fieldAst;
FieldDefinition = fieldDefinition;
ReturnType = returnType;
ParentType = parentType;
Arguments = arguments;
RootValue = rootValue;
Source = source;
Schema = schema;
Operation = operation;
Fragments = fragments;
Variables = variables;
CancellationToken = cancellationToken;
UserContext = userContext;
}
public FieldType GetFieldDefinition(ISchema schema, ObjectGraphType parentType, Field field)
{
if (field.Name == SchemaIntrospection.SchemaMeta.Name && schema.Query == parentType)
{
return SchemaIntrospection.SchemaMeta;
}
if (field.Name == SchemaIntrospection.TypeMeta.Name && schema.Query == parentType)
{
return SchemaIntrospection.TypeMeta;
}
if (field.Name == SchemaIntrospection.TypeNameMeta.Name)
{
return SchemaIntrospection.TypeNameMeta;
}
return parentType.Fields.FirstOrDefault(f => f.Name == field.Name);
}