javax.jdo.query

Interface PersistableExpression<T>

Type Parameters:

T - (Persistable) Java type being represented here

All Superinterfaces:

Expression<T>

public interface PersistableExpression<T>
extends Expression<T>

Expression representing a persistable object in a query (e.g alias.persistableField).

Method Summary

Modifier and Type	Method and Description
Expression	jdoObjectId() Method to return an expression for the (JDO) identity of this persistable object.
Expression	jdoVersion() Method to return an expression for the (JDO) version of this persistable object.

Methods inherited from interface javax.jdo.query.Expression

as, cast, count, countDistinct, eq, eq, instanceOf, ne, ne

Method Detail

jdoObjectId

Expression jdoObjectId()

Method to return an expression for the (JDO) identity of this persistable object.

Returns:

The identity expression

jdoVersion

Expression jdoVersion()

Method to return an expression for the (JDO) version of this persistable object.

Returns:

The version expression