javax.persistence.criteria
Interface Join<Z,X>

Type Parameters:

Z - The source type of the join

X - The target type of the join

All Superinterfaces:

Expression<X>, FetchParent<Z,X>, From<Z,X>, Path<X>, Selection<X>, TupleElement<X>

All Known Subinterfaces:

CollectionJoin<Z,E>, ListJoin<Z,E>, MapJoin<Z,K,V>, PluralJoin<Z,C,E>, SetJoin<Z,E>

public interface Join<Z,X>
extends From<Z,X>

A join to an entity or embeddable type.

Since:

Java Persistence 2.0

Method Summary

Attribute<? super Z,?>	getAttribute() Return the metamodel member corresponding to the join.
JoinType	getJoinType() Return the join type.
From<?,Z>	getParent() Return the parent of the join.

Methods inherited from interface javax.persistence.criteria.From

getJoins, join, join, join, join, join, join, join, join, join, join, join, join, joinCollection, joinCollection, joinList, joinList, joinMap, joinMap, joinSet, joinSet

Methods inherited from interface javax.persistence.criteria.Path

get, get, get, get, getModel, getParentPath, type

Methods inherited from interface javax.persistence.criteria.Expression

as, in, in, in, in, isNotNull, isNull

Methods inherited from interface javax.persistence.criteria.Selection

setAlias

Methods inherited from interface javax.persistence.TupleElement

getAlias, getJavaType

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 member corresponding to the join.

Returns:

metamodel member type for the join

getParent

From<?,Z> getParent()

Return the parent of the join.

Returns:

join parent

getJoinType

JoinType getJoinType()

Return the join type.

Returns:

join type