/**
* {@inheritdoc}
*/
public function requiresEntityDataMigration(EntityTypeInterface $entity_type, EntityTypeInterface $original)
{
// If the original storage has existing entities, or it is impossible to
// determine if that is the case, require entity data to be migrated.
$original_storage_class = $original->getStorageClass();
if (!class_exists($original_storage_class)) {
return TRUE;
}
// Data migration is not needed when only indexes changed, as they can be
// applied if there is data.
if (!$this->hasSharedTableStructureChange($entity_type, $original)) {
return FALSE;
}
// Use the original entity type since the storage has not been updated.
$original_storage = $this->entityManager->createHandlerInstance($original_storage_class, $original);
return $original_storage->hasData();
}
/**
* {@inheritdoc}
*/
public function requiresEntityDataMigration(EntityTypeInterface $entity_type, EntityTypeInterface $original)
{
// If we're updating from NULL storage, then there's no stored data that
// requires migration.
// @todo Remove in https://www.drupal.org/node/2335879.
$original_storage_class = $original->getStorageClass();
$null_storage_class = 'Drupal\\Core\\Entity\\ContentEntityNullStorage';
if ($original_storage_class == $null_storage_class || is_subclass_of($original_storage_class, $null_storage_class)) {
return FALSE;
}
return $entity_type->getStorageClass() != $original_storage_class || !$this->isTableEmpty($this->storage->getBaseTable());
}
