class D7FieldGroupDeriver in Field Group 8.3

Derives Drupal 7 field group migrations per entity type and bundle.

Hierarchy

• class \Drupal\Component\Plugin\Derivative\DeriverBase implements DeriverInterface
  • class \Drupal\field_group_migrate\Plugin\migrate\D7FieldGroupDeriver uses StringTranslationTrait, MigrationDeriverTrait

1 string reference to 'D7FieldGroupDeriver'

d7_field_group.yml in contrib/field_group_migrate/migrations/d7_field_group.yml

contrib/field_group_migrate/migrations/d7_field_group.yml

File

contrib/field_group_migrate/src/Plugin/migrate/D7FieldGroupDeriver.php, line 17

Namespace

Drupal\field_group_migrate\Plugin\migrate

class D7FieldGroupDeriver extends DeriverBase {
  use MigrationDeriverTrait;
  use StringTranslationTrait;

  /**
   * {@inheritdoc}
   */
  public function getDerivativeDefinitions($base_plugin_definition) {
    $field_group_source = static::getSourcePlugin('d7_field_group');
    try {
      $field_group_source
        ->checkRequirements();
    } catch (RequirementsException $e) {

      // The requirements of the "d7_field_group" source plugin can fail if:
      // - The source database is not configured or it isn't a Drupal 7 DB.
      // - The Field Group module is not enabled on the source Drupal instance.
      return $this->derivatives;
    }
    assert($field_group_source instanceof DrupalSqlBase);
    try {
      foreach ($field_group_source as $field_group_row) {
        assert($field_group_row instanceof Row);
        [
          'entity_type' => $entity_type,
          'bundle' => $bundle,
        ] = $field_group_row
          ->getSource();
        $derivative_id = implode(PluginBase::DERIVATIVE_SEPARATOR, [
          $entity_type,
          $bundle,
        ]);
        if (!empty($this->derivatives[$derivative_id])) {
          continue;
        }
        $derivative_definition = $base_plugin_definition;
        $derivative_definition['source']['entity_type'] = $entity_type;
        $derivative_definition['source']['bundle'] = $bundle;
        $derivative_definition['label'] = $this
          ->t('@label of @entity_type (bundle: @bundle)', [
          '@label' => $derivative_definition['label'],
          '@entity_type' => $entity_type,
          '@bundle' => $bundle,
        ]);
        $this->derivatives[$derivative_id] = $derivative_definition;
      }
    } catch (DatabaseExceptionWrapper $e) {

      // Once we begin iterating the source plugin it is possible that the
      // source tables will not exist. This can happen when the
      // MigrationPluginManager gathers up the migration definitions but we do
      // not actually have a Drupal 7 source database.
    }
    return $this->derivatives;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
D7FieldGroupDeriver::getDerivativeDefinitions	public	function	Gets the definition of all derivatives of a base plugin. Overrides DeriverBase::getDerivativeDefinitions
DeriverBase::$derivatives	protected	property	List of derivative definitions.	1
DeriverBase::getDerivativeDefinition	public	function	Gets the definition of a derivative plugin. Overrides DeriverInterface::getDerivativeDefinition
MigrationDeriverTrait::getSourcePlugin	public static	function	Returns a fully initialized instance of a source plugin.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.