src/Executor/ReferenceExecutor.php
private function completeAbstractValue(AbstractType $returnType, $fieldNodes, ResolveInfo $info, $path, &$result)
    {
        $exeContext  = $this->exeContext;
        $runtimeType = $returnType->resolveType($result, $exeContext->contextValue, $info);
        if ($runtimeType === null) {
            $runtimeType = self::defaultTypeResolver($result, $exeContext->contextValue, $info, $returnType);
        }
        $promise = $this->getPromise($runtimeType);
        if ($promise) {
            return $promise->then(function ($resolvedRuntimeType) use (
                $returnType,
                $fieldNodes,
                $info,
                $path,
                &$result
            ) {
                return $this->completeObjectValue(
                    $this->ensureValidRuntimeType(
                        $resolvedRuntimeType,
                        $returnType,
                        $info,
                        $result
                    ),
                    $fieldNodes,
                    $info,
                    $path,
                    $result
                );
            });
        }

        return $this->completeObjectValue(
            $this->ensureValidRuntimeType(
                $runtimeType,
                $returnType,
                $info,
                $result
            ),
            $fieldNodes,
            $info,
            $path,
            $result
        );
    }
private function completeAbstractValue(AbstractType $returnType, $fieldNodes, ResolveInfo $info, $path, &$result)
    {
        $exeContext  = $this->exeContext;
        $runtimeType = $returnType->resolveType($result, $exeContext->contextValue, $info);
        if ($runtimeType === null) {
            $runtimeType = self::defaultTypeResolver($result, $exeContext->contextValue, $info, $returnType);
        }
        $promise = $this->getPromise($runtimeType);
        if ($promise) {
            return $promise->then(function ($resolvedRuntimeType) use (
                $returnType,
                $fieldNodes,
                $info,
                $path,
                &$result
            ) {
                return $this->completeObjectValue(
                    $this->ensureValidRuntimeType(
                        $resolvedRuntimeType,
                        $returnType,
                        $info,
                        $result
                    ),
                    $fieldNodes,
                    $info,
                    $path,
                    $result
                );
            });
        }

        return $this->completeObjectValue(
            $this->ensureValidRuntimeType(
                $runtimeType,
                $returnType,
                $info,
                $result
            ),
            $fieldNodes,
            $info,
            $path,
            $result
        );
    }
private function completeAbstractValue ( AbstractType $ returnType , $ fieldNodes , ResolveInfo $ info , $ path , & $ result ) { $ exeContext = $ this -> exeContext ; $ runtimeType = $ returnType -> resolveType ( $ result , $ exeContext -> contextValue , $ info ) ; if ( $ runtimeType === null ) { $ runtimeType = self :: defaultTypeResolver ( $ result , $ exeContext -> contextValue , $ info , $ returnType ) ; } $ promise = $ this -> getPromise ( $ runtimeType ) ; if ( $ promise ) { return $ promise -> then ( function ( $ resolvedRuntimeType ) use ( $ returnType , $ fieldNodes , $ info , $ path , & $ result ) { return $ this -> completeObjectValue ( $ this -> ensureValidRuntimeType ( $ resolvedRuntimeType , $ returnType , $ info , $ result ) , $ fieldNodes , $ info , $ path , $ result ) ; } ) ; } return $ this -> completeObjectValue ( $ this -> ensureValidRuntimeType ( $ runtimeType , $ returnType , $ info , $ result ) , $ fieldNodes , $ info , $ path , $ result ) ; }
Complete a value of an abstract type by determining the runtime object type
of that value, then complete the value for that type.

@param FieldNode[] $fieldNodes
@param mixed[]     $path
@param mixed[]     $result

@return mixed

@throws Error
Complete a value of an abstract type by determining the runtime object type of that value then complete the value for that type .