function NullIdMap::prepareUpdate

Prepares to run a full update.

Prepares this migration to run as an update - that is, in addition to un-migrated content (source records not in the map table) being imported, previously-migrated content will also be updated in place by marking all previously-imported content as ready to be re-imported.

Overrides MigrateIdMapInterface::prepareUpdate

File

core/modules/migrate/src/Plugin/migrate/id_map/NullIdMap.php, line 86

Class

NullIdMap

Defines the null ID map implementation.

Namespace

Code

public function prepareUpdate() {
  // Do nothing.
}