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JPA Criteria API Queries

">join, fetch

JPA Queries

variables, join and fetch):

JPA Annotations for Relationships

and fetch policy, using the following enum types:

javax.jdo.spi.PersistenceCapable.ObjectIdFieldSupplier

">fetchBooleanField (int fieldNumber)
Fetch ... "> Fetch one field from the field manager. This field will be stored in the proper field ... class="teaser"> Fetch one field from the field manager.

javax.jdo.spi.PersistenceCapable.ObjectIdFieldManager

class="teaser"> Fetch one field from the field manager.
Fetch one field from the field manager. This field will be stored ... ;fieldNumber)
Fetch one field from the field manager.

javax.jdo.FetchGroup

"> FetchGroup represents a named fetch group for a specific class or interface. A fetch group instance identifies the name of the class or interface, the list of members (fields or properties) to be fetched when the fetch group is active, and the recursion depth for each member.

Fetch groups

javax.jdo.annotations.FetchGroup

>
Annotation for the fetch group of a class. Corresponds to the xml element "fetch-group".
Since:
Fetch groups to be nested (included) in this fetch group.

javax.jdo.annotations.FetchPlan

>
Annotation for the fetch plan of a persistence manager, query, or extent. Corresponds to the xml element "fetch-plan".
The fetch groups in this fetch plan.

retrieveAll(useFetchPlan, pcs)

. The fields in the current fetch group must be retrieved, and the implementation might retrieve more fields than the current fetch group.

If the useFetchPlan parameter is false, this method behaves ... parameter is true, and the fetch plan has not been modified from its default setting, all fields in

retrieveAll(pcs, useFetchPlan)

. The fields in the current fetch group must be retrieved, and the implementation might retrieve more fields than the current fetch group.

If the useFetchPlan parameter is false, this method behaves ... parameter is true, and the fetch plan has not been modified from its default setting, all fields in