# Uses of Interface
org.apache.cayenne.Validating

Packages that use Validating
Package
Description
org.apache.cayenne
Contains persistence APIs directly accessible by users.

- ## Uses of Validating in org.apache.cayenne

  Classes in org.apache.cayenne that implement Validating
  Modifier and Type
  Class
  Description
  `class`
  `BaseDataObject`
  Deprecated, for removal: This API element is subject to removal in a future version.
  use `PersistentObject` directly
  `class`
  `GenericPersistentObject`
  Implementation of `Persistent` that uses `Map` to store object fields.
  `class`
  `HybridPersistentObject`
  This data object like `GenericPersistentObject` uses `Map` to store generic attributes, only difference is that this Map will be created lazily at first write, thus reducing memory penalty if possible.
  `class`
  `PersistentObject`
  Base implementation of `Persistent`, have no assumption about how data is actually stored.