public ContentEntityStorageBase::deleteRevision($revision_id)
Delete a specific entity revision.
A revision can only be deleted if it's not the currently active one.
Parameters
int $revision_id: The revision id.
Overrides EntityStorageInterface::deleteRevision
File
- core/lib/Drupal/Core/Entity/ContentEntityStorageBase.php, line 334
Class
- ContentEntityStorageBase
- Base class for content entity storage handlers.
Namespace
Drupal\Core\Entity
Code
public function deleteRevision($revision_id) {
/** @var \Drupal\Core\Entity\ContentEntityInterface $revision */
if ($revision = $this->loadRevision($revision_id)) {
// Prevent deletion if this is the default revision.
if ($revision->isDefaultRevision()) {
throw new EntityStorageException('Default revision can not be deleted');
}
$this->invokeFieldMethod('deleteRevision', $revision);
$this->doDeleteRevisionFieldItems($revision);
$this->invokeHook('revision_delete', $revision);
}
}
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