diff core/lib/Drupal/Core/Entity/RevisionableInterface.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/Entity/RevisionableInterface.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,64 @@
+<?php
+
+namespace Drupal\Core\Entity;
+
+/**
+ * Provides methods for an entity to support revisions.
+ */
+interface RevisionableInterface {
+
+  /**
+   * Determines whether a new revision should be created on save.
+   *
+   * @return bool
+   *   TRUE if a new revision should be created.
+   *
+   * @see \Drupal\Core\Entity\EntityInterface::setNewRevision()
+   */
+  public function isNewRevision();
+
+  /**
+   * Enforces an entity to be saved as a new revision.
+   *
+   * @param bool $value
+   *   (optional) Whether a new revision should be saved.
+   *
+   * @throws \LogicException
+   *   Thrown if the entity does not support revisions.
+   *
+   * @see \Drupal\Core\Entity\EntityInterface::isNewRevision()
+   */
+  public function setNewRevision($value = TRUE);
+
+  /**
+   * Gets the revision identifier of the entity.
+   *
+   * @return
+   *   The revision identifier of the entity, or NULL if the entity does not
+   *   have a revision identifier.
+   */
+  public function getRevisionId();
+
+  /**
+   * Checks if this entity is the default revision.
+   *
+   * @param bool $new_value
+   *   (optional) A Boolean to (re)set the isDefaultRevision flag.
+   *
+   * @return bool
+   *   TRUE if the entity is the default revision, FALSE otherwise. If
+   *   $new_value was passed, the previous value is returned.
+   */
+  public function isDefaultRevision($new_value = NULL);
+
+  /**
+   * Acts on a revision before it gets saved.
+   *
+   * @param EntityStorageInterface $storage
+   *   The entity storage object.
+   * @param \stdClass $record
+   *   The revision object.
+   */
+  public function preSaveRevision(EntityStorageInterface $storage, \stdClass $record);
+
+}