Automattic\WooCommerce\Vendor\GraphQL\Executor

ReferenceExecutor::executeOperation │ protected │ WC 1.0

Implements the "Evaluating operations" section of the spec.

Method of the class: ReferenceExecutor{}

No Hooks.

Returns

Array|Promise|\stdClass|null.

Usage

// protected - for code of main (parent) or child class
$result = $this->executeOperation( $operation, $rootValue );
$operation(OperationDefinitionNode) (required)
.
$rootValue(mixed) (required)
.

ReferenceExecutor::executeOperation() code WC 10.9.1

woocommerce/lib/packages/GraphQL/Executor/ReferenceExecutor.php 
protected function executeOperation(OperationDefinitionNode $operation, $rootValue)
{
    $type = $this->getOperationRootType($this->exeContext->schema, $operation);
    $fields = $this->collectFields($type, $operation->selectionSet, new \ArrayObject(), new \ArrayObject());
    $path = [];
    $unaliasedPath = [];
    // Errors from sub-fields of a NonNull type may propagate to the top level,
    // at which point we still log the error and null the parent field, which
    // in this case is the entire response.
    //
    // Similar to completeValueCatchingError.
    try {
        $result = $operation->operation === 'mutation'
            ? $this->executeFieldsSerially($type, $rootValue, $path, $unaliasedPath, $fields, $this->exeContext->contextValue)
            : $this->executeFields($type, $rootValue, $path, $unaliasedPath, $fields, $this->exeContext->contextValue);

        $promise = $this->getPromise($result);
        if ($promise !== null) {
            return $promise->then(null, [$this, 'onError']);
        }

        return $result;
    } catch (Error $error) {
        $this->exeContext->addError($error);

        return null;
    }
}