function SourcePluginBase::preRollback

Performs pre-rollback tasks.

Parameters

\Drupal\migrate\Event\MigrateRollbackEvent $event: The pre-rollback event object.

Overrides RollbackAwareInterface::preRollback

File

core/modules/migrate/src/Plugin/migrate/source/SourcePluginBase.php, line 611

Class

SourcePluginBase

The base class for source plugins.

Namespace

Code

public function preRollback(MigrateRollbackEvent $event) {
  // Reset the high-water mark.
  $this->saveHighWater(NULL);
}