interface EntityReferenceBehaviorHandlerInterface

entityreference_autoload_info in core/modules/entityreference/entityreference.module

Implements hook_autoload_info().

interface EntityReferenceBehaviorHandlerInterface {

  /**
   * Constructor for the behavior.
   *
   * @param $behavior
   *   The name of the behavior plugin.
   */
  public function __construct($behavior);

  /**
   * Alter the field schema.
   *
   * @see hook_field_schema()
   */
  public function schema_alter(&$schema, $field);

  /**
   * Alter the properties information of a field instance.
   *
   * @see entity_hook_field_info()
   */
  public function property_info_alter(&$info, $entity_type, $field, $instance, $field_type);

  /**
   * Alter the views data of a field.
   *
   * @see entityreference_field_views_data()
   */
  public function views_data_alter(&$data, $field);

  /**
   * Act on loading entity reference fields of entities.
   *
   * @see hook_field_load()
   */
  public function load($entity_type, $entities, $field, $instances, $langcode, &$items);

  /**
   * Alter the empty status of a field item.
   *
   * @see hook_field_is_empty()
   */
  public function is_empty_alter(&$empty, $item, $field);

  /**
   * Act on validating an entity reference field.
   *
   * @see hook_field_validate()
   */
  public function validate($entity_type, $entity, $field, $instance, $langcode, $items, &$errors);

  /**
   * Act on pre-saving an entity reference field.
   *
   * @see hook_field_presave()
   */
  public function presave($entity_type, $entity, $field, $instance, $langcode, &$items);

  /**
   * Act before inserting an entity reference field.
   *
   * @see hook_field_insert()
   */
  public function insert($entity_type, $entity, $field, $instance, $langcode, &$items);

  /**
   * Act after inserting an entity reference field.
   *
   * @see hook_field_attach_insert()
   */
  public function postInsert($entity_type, $entity, $field, $instance);

  /**
   * Act before updating an entity reference field.
   *
   * @see hook_field_update()
   */
  public function update($entity_type, $entity, $field, $instance, $langcode, &$items);

  /**
   * Act after updating an entity reference field.
   *
   * @see hook_field_attach_update()
   */
  public function postUpdate($entity_type, $entity, $field, $instance);

  /**
   * Act before deleting an entity with an entity reference field.
   *
   * @see hook_field_delete()
   */
  public function delete($entity_type, $entity, $field, $instance, $langcode, &$items);

  /**
   * Act after deleting an entity with an entity reference field.
   *
   * @see hook_field_attach_delete()
   */
  public function postDelete($entity_type, $entity, $field, $instance);

  /**
   * Act after inserting an entity.
   *
   * @see hook_entity_insert()
   */
  public function entityPostInsert($entity_type, $entity, $field, $instance);

  /**
   * Act after updating an entity.
   *
   * @see hook_entity_update()
   */
  public function entityPostUpdate($entity_type, $entity, $field, $instance);

  /**
   * Act after deleting an entity.
   *
   * @see hook_entity_delete()
   */
  public function entityPostDelete($entity_type, $entity, $field, $instance);

  /**
   * Generate a settings form for this handler.
   */
  public function settingsForm($field, $instance);

  /**
   * Determine if handler should appear.
   */
  public function access($field, $instance);
}