class D7LocationFieldDeriver in Geolocation Field 8.3

Deriver geolocation field config migrations of Drupal 7 Location CCK fields.

This deriver class derives field storage, field instance and field widget migrations of geolocation fields while the source field is mapped to an address field.

Hierarchy

• class \Drupal\Component\Plugin\Derivative\DeriverBase implements DeriverInterface
  • class \Drupal\geolocation_address\Plugin\migrate\D7LocationFieldDeriver uses MigrationDeriverTrait

3 string references to 'D7LocationFieldDeriver'

d7_field_instance_location.yml in modules/geolocation_address/migrations/d7_field_instance_location.yml

modules/geolocation_address/migrations/d7_field_instance_location.yml

d7_field_instance_widget_settings_location.yml in modules/geolocation_address/migrations/d7_field_instance_widget_settings_location.yml

modules/geolocation_address/migrations/d7_field_instance_widget_settings_location.yml

d7_field_location.yml in modules/geolocation_address/migrations/d7_field_location.yml

modules/geolocation_address/migrations/d7_field_location.yml

File

modules/geolocation_address/src/Plugin/migrate/D7LocationFieldDeriver.php, line 19

Namespace

Drupal\geolocation_address\Plugin\migrate

class D7LocationFieldDeriver extends DeriverBase {
  use MigrationDeriverTrait;

  /**
   * {@inheritdoc}
   */
  public function getDerivativeDefinitions($base_plugin_definition) {
    $source = $this
      ->getSourcePlugin($base_plugin_definition['source']['plugin']);
    assert($source instanceof DrupalSqlBase);
    try {
      $source
        ->checkRequirements();
    } catch (RequirementsException $e) {

      // If the source plugin requirements failed, that means we do not have a
      // Drupal source database configured - there is nothing to generate.
      return $this->derivatives;
    }
    $derivatives = [];
    try {
      foreach ($source as $row) {
        assert($row instanceof Row);
        $entity_type = $row
          ->getSourceProperty('entity_type');
        $bundle = $row
          ->getSourceProperty('bundle');
        $values = [
          'entity_type' => $entity_type,
          'bundle' => $bundle,
        ];
        $derivative_id = $bundle !== NULL ? $entity_type . PluginBase::DERIVATIVE_SEPARATOR . $bundle : $entity_type;
        $derivatives[$derivative_id] = $values;
      }
    } catch (\Exception $e) {
      return $this->derivatives;
    }

    // Using the same derivative for field storage and field instance
    // migrations. Field storage migrations are always derived by their parent
    // entity type. Field instance migrations are derived by parent entity type
    // and by bundle. For bundle-less entities (like user), the bundle will be
    // the entity type, like "d7_field_location_instance:user:user".
    foreach ($derivatives as $derivative_id => $values) {
      [
        'entity_type' => $entity_type,
        'bundle' => $bundle,
      ] = $values;
      $derivative_definition = $base_plugin_definition;
      $derivative_definition['source']['entity_type'] = $entity_type;
      if ($bundle !== NULL) {
        $derivative_definition['source']['bundle'] = $bundle;
      }

      // Process dependencies.
      $migration_required_deps = $derivative_definition['migration_dependencies']['required'] ?? [];
      $storage_migration_dep_key = array_search('d7_field_location', $migration_required_deps);
      if ($storage_migration_dep_key !== FALSE) {
        $derivative_definition['migration_dependencies']['required'][$storage_migration_dep_key] .= PluginBase::DERIVATIVE_SEPARATOR . $entity_type;
      }
      $instance_migration_dep_key = array_search('d7_field_instance_location', $migration_required_deps);
      if ($instance_migration_dep_key !== FALSE) {
        $derivative_definition['migration_dependencies']['required'][$instance_migration_dep_key] .= implode(PluginBase::DERIVATIVE_SEPARATOR, array_filter([
          $entity_type,
          $bundle,
        ]));
      }
      $this->derivatives[$derivative_id] = $derivative_definition;
    }
    return $this->derivatives;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
D7LocationFieldDeriver::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.