javax.persistence.criteria

Interface Fetch<Z,X>

Type Parameters:

Z - the source type of the fetch

X - the target type of the fetch

All Superinterfaces:

FetchParent<Z,X>

All Known Subinterfaces:

CollectionJoinImplementor<Z,X>, JoinImplementor<Z,X>, ListJoinImplementor<Z,X>, MapJoinImplementor<Z,K,V>, SetJoinImplementor<Z,X>

All Known Implementing Classes:

AbstractJoinImpl, CollectionAttributeJoin, CollectionAttributeJoin.TreatedCollectionAttributeJoin, ListAttributeJoin, ListAttributeJoin.TreatedListAttributeJoin, MapAttributeJoin, MapAttributeJoin.TreatedMapAttributeJoin, PluralAttributeJoinSupport, SetAttributeJoin, SetAttributeJoin.TreatedSetAttributeJoin, SingularAttributeJoin, SingularAttributeJoin.TreatedSingularAttributeJoin

public interface Fetch<Z,X>
extends FetchParent<Z,X>

Represents a join-fetched association or attribute.

Since:

Java Persistence 2.0

Method Summary

Modifier and Type	Method and Description
Attribute<? super Z,?>	getAttribute() Return the metamodel attribute corresponding to the fetch join.
JoinType	getJoinType() Return the join type used in the fetch join.
FetchParent<?,Z>	getParent() Return the parent of the fetched item.

Methods inherited from interface javax.persistence.criteria.FetchParent

fetch, fetch, fetch, fetch, fetch, fetch, getFetches

Method Detail

getAttribute

Attribute<? super Z,?> getAttribute()

Return the metamodel attribute corresponding to the fetch join.

Returns:

metamodel attribute for the join

getParent

FetchParent<?,Z> getParent()

Return the parent of the fetched item.

Returns:

fetch parent

getJoinType

JoinType getJoinType()

Return the join type used in the fetch join.

Returns:

join type