Automattic\WooCommerce\Vendor\GraphQL\Type

SchemaValidationContext::validateInterfaces │ private │ WC 1.0

Method of the class: SchemaValidationContext{}

No Hooks.

Returns

null. Nothing (null).

Usage

// private - for code of main (parent) class only
$result = $this->validateInterfaces( $type ): void;

$type(ObjectType|InterfaceType) (required)

.

SchemaValidationContext::validateInterfaces() SchemaValidationContext::validateInterfaces code ^{WC 10.9.1}

private function validateInterfaces(ImplementingType $type): void
{
    $ifaceTypeNames = [];
    foreach ($type->getInterfaces() as $interface) {
        // @phpstan-ignore-next-line The generic type says this should not happen, but a user may use it wrong nonetheless
        if (! $interface instanceof InterfaceType) {
            $notInterface = Utils::printSafe($interface);
            $this->reportError(
                "Type {$type->name} must only implement Interface types, it cannot implement {$notInterface}.",
                $this->getImplementsInterfaceNode($type, $interface)
            );
            continue;
        }

        if ($type === $interface) {
            $this->reportError(
                "Type {$type->name} cannot implement itself because it would create a circular reference.",
                $this->getImplementsInterfaceNode($type, $interface)
            );
            continue;
        }

        if (isset($ifaceTypeNames[$interface->name])) {
            $this->reportError(
                "Type {$type->name} can only implement {$interface->name} once.",
                $this->getAllImplementsInterfaceNodes($type, $interface)
            );
            continue;
        }

        $ifaceTypeNames[$interface->name] = true;

        $this->validateTypeImplementsAncestors($type, $interface);
        $this->validateTypeImplementsInterface($type, $interface);
    }
}