# Uses of Class
org.apache.torque.om.SimpleKey

Packages that use SimpleKey
Package
Description
org.apache.torque.om
API for the classic Torque-generated object model.

- ## Uses of SimpleKey in org.apache.torque.om

  Subclasses of SimpleKey in org.apache.torque.om
  Modifier and Type
  Class
  Description
  `class`
  `BooleanKey`
  This class can be used as an ObjectKey to uniquely identify an object within an application where the id consists of a Boolean.
  `class`
  `DateKey`
  This class can be used as an ObjectKey to uniquely identify an object within an application where the id is a Date.
  `class`
  `NumberKey`
  This class can be used as an ObjectKey to uniquely identify an object within an application where the id consists of a single entity such a GUID or the value of a db row's primary key.
  `class`
  `StringKey`
  This class can be used as an ObjectKey to uniquely identify an object within an application where the id consists of a single entity such a GUID or the value of a db row's primary key.
  Constructors in org.apache.torque.om with parameters of type SimpleKey
  Modifier
  Constructor
  Description
  ``
  `ComboKey(SimpleKey<?>[] key)`
  Creates an ComboKey and set its internal representation