Utility to create a new SingleFieldIdentity using reflection when you know the
type of the PersistenceCapable, and also which SingleFieldIdentity, and the value of the key.
If the provider determines that the entity has been provided
by itself and that the state of all attributes for which
FetchType EAGER has been specified have been loaded, this
method returns LoadState.LOADED.
If the provider determines that the entity has been provided
by itself and that the state of the specified attribute has
been loaded, this method returns LoadState.LOADED.
If the provider determines that the entity has been provided
by itself and that the state of the specified attribute has
been loaded, this method returns LoadState.LOADED.
Package providing classes specific to processing of JPA XML MetaData and annotations, building on
the generic code under the package org.datanucleus.metadata