function ConfigImporter::validate

Dispatches validate event for a ConfigImporter object.

Events should throw a \Drupal\Core\Config\ConfigImporterException to prevent an import from occurring.

Throws

\Drupal\Core\Config\ConfigImporterException Exception thrown if the validate event logged any errors.

File

core/lib/Drupal/Core/Config/ConfigImporter.php, line 798

Class

ConfigImporter

Defines a configuration importer.

Namespace

Code

public function validate() {
    if (!$this->validated) {
        $this->errors = [];
        // Create the list of installs and uninstalls.
        $this->createExtensionChangelist();
        // Validate renames.
        foreach ($this->getUnprocessedConfiguration('rename') as $name) {
            $names = $this->storageComparer
                ->extractRenameNames($name);
            $old_entity_type_id = $this->configManager
                ->getEntityTypeIdByName($names['old_name']);
            $new_entity_type_id = $this->configManager
                ->getEntityTypeIdByName($names['new_name']);
            if ($old_entity_type_id != $new_entity_type_id) {
                $this->logError($this->t('Entity type mismatch on rename. @old_type not equal to @new_type for existing configuration @old_name and staged configuration @new_name.', [
                    '@old_type' => $old_entity_type_id,
                    '@new_type' => $new_entity_type_id,
                    '@old_name' => $names['old_name'],
                    '@new_name' => $names['new_name'],
                ]));
            }
            // Has to be a configuration entity.
            if (!$old_entity_type_id) {
                $this->logError($this->t('Rename operation for simple configuration. Existing configuration @old_name and staged configuration @new_name.', [
                    '@old_name' => $names['old_name'],
                    '@new_name' => $names['new_name'],
                ]));
            }
        }
        $this->eventDispatcher
            ->dispatch(new ConfigImporterEvent($this), ConfigEvents::IMPORT_VALIDATE);
        if (count($this->getErrors())) {
            $errors = array_merge([
                'There were errors validating the config synchronization.',
            ], $this->getErrors());
            throw new ConfigImporterException(implode(PHP_EOL, $errors));
        }
        else {
            $this->validated = TRUE;
        }
    }
    return $this;
}