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, embeddable, or basic type.

Since:

Java Persistence 2.0

Method Summary

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

Methods inherited from interface Expression

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

Methods inherited from interface FetchParent

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

Methods inherited from interface From

getCorrelationParent, getJoins, isCorrelated, join, join, join, join, join, join, join, join, join, join, join, join, joinCollection, joinCollection, joinList, joinList, joinMap, joinMap, joinSet, joinSet

Methods inherited from interface Path

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

Methods inherited from interface Selection

alias, getCompoundSelectionItems, isCompoundSelection

Methods inherited from interface TupleElement

getAlias, getJavaType

Method Details

getAttribute

Attribute<? super Z, ?> getAttribute()

Return the metamodel attribute corresponding to the join.

Returns:

metamodel attribute corresponding to 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