Package org.datanucleus.api.jakarta.criteria

Class JoinImpl<Z,X>

java.lang.Object

org.datanucleus.api.jakarta.criteria.ExpressionImpl<X>

org.datanucleus.api.jakarta.criteria.PathImpl<Z,X>

org.datanucleus.api.jakarta.criteria.FromImpl<Z,X>

org.datanucleus.api.jakarta.criteria.JoinImpl<Z,X>

Type Parameters:

Z - type from which joining

X - type of the attribute being joined

All Implemented Interfaces:

jakarta.persistence.criteria.Expression<X>, jakarta.persistence.criteria.FetchParent<Z,X>, jakarta.persistence.criteria.From<Z,X>, jakarta.persistence.criteria.Join<Z,X>, jakarta.persistence.criteria.Path<X>, jakarta.persistence.criteria.Selection<X>, jakarta.persistence.TupleElement<X>, Serializable

Direct Known Subclasses:

PluralJoinImpl

public class JoinImpl<Z,X>
extends FromImpl<Z,X>
implements jakarta.persistence.criteria.Join<Z,X>

Implementation of Jakarta Persistence Criteria "Join".

See Also:

Serialized Form

Field Summary

Fields inherited from class org.datanucleus.api.jakarta.criteria.FromImpl

fetchJoins, joins, type

Fields inherited from class org.datanucleus.api.jakarta.criteria.PathImpl

attribute, parent

Fields inherited from class org.datanucleus.api.jakarta.criteria.ExpressionImpl

cb

Constructor Summary

Constructors

Constructor	Description
JoinImpl(CriteriaBuilderImpl cb, FromImpl<?,Z> parent, PluralAttributeImpl<? super Z,Collection<X>,X> attr, jakarta.persistence.criteria.JoinType joinType)	Constructor for a join to a collection (1-N, M-N relations).
JoinImpl(CriteriaBuilderImpl cb, FromImpl<?,Z> parent, SingularAttributeImpl<Z,X> attr, jakarta.persistence.criteria.JoinType joinType)	Constructor for a join to an entity (1-1, N-1 relations).

Method Summary

Modifier and Type	Method	Description
jakarta.persistence.metamodel.Attribute<? super Z,?>	getAttribute()
jakarta.persistence.criteria.JoinType	getJoinType()
jakarta.persistence.criteria.Predicate	getOn()
jakarta.persistence.criteria.From<?,Z>	getParent()
jakarta.persistence.criteria.Join<Z,X>	on(jakarta.persistence.criteria.Expression<Boolean> restriction)
jakarta.persistence.criteria.Join<Z,X>	on(jakarta.persistence.criteria.Predicate... restrictions)

Methods inherited from class org.datanucleus.api.jakarta.criteria.FromImpl

fetch, fetch, fetch, fetch, fetch, fetch, getAttributeType, getCorrelationParent, getFetches, getJoins, getQueryExpression, getQueryExpression, isCorrelated, join, join, join, join, join, join, join, join, join, join, join, join, joinCollection, joinCollection, joinList, joinList, joinMap, joinMap, joinSet, joinSet, toString, toString

Methods inherited from class org.datanucleus.api.jakarta.criteria.PathImpl

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

Methods inherited from class org.datanucleus.api.jakarta.criteria.ExpressionImpl

alias, as, getAlias, getCompoundSelectionItems, getJavaType, in, in, in, in, isCompoundSelection, isNotNull, isNull

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface jakarta.persistence.criteria.Expression

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

Methods inherited from interface jakarta.persistence.criteria.FetchParent

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

Methods inherited from interface jakarta.persistence.criteria.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 jakarta.persistence.criteria.Path

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

Methods inherited from interface jakarta.persistence.criteria.Selection

alias, getCompoundSelectionItems, isCompoundSelection

Methods inherited from interface jakarta.persistence.TupleElement

getAlias, getJavaType

Constructor Detail

JoinImpl

public JoinImpl(CriteriaBuilderImpl cb,
                FromImpl<?,Z> parent,
                SingularAttributeImpl<Z,X> attr,
                jakarta.persistence.criteria.JoinType joinType)

Constructor for a join to an entity (1-1, N-1 relations).

Parameters:

cb - Criteria Builder

parent - Parent object

attr - The type joining to

joinType - Type of join (Inner/LeftOuter/RightOuter)

JoinImpl

public JoinImpl(CriteriaBuilderImpl cb,
                FromImpl<?,Z> parent,
                PluralAttributeImpl<? super Z,Collection<X>,X> attr,
                jakarta.persistence.criteria.JoinType joinType)

Constructor for a join to a collection (1-N, M-N relations).

Parameters:

cb - Criteria Builder

parent - Parent object

attr - The type joining to

joinType - Type of join (Inner/LeftOuter/RightOuter)

Method Detail

getAttribute

public jakarta.persistence.metamodel.Attribute<? super Z,?> getAttribute()

Specified by:

getAttribute in interface jakarta.persistence.criteria.Join<Z,X>

getJoinType

public jakarta.persistence.criteria.JoinType getJoinType()

Specified by:

getJoinType in interface jakarta.persistence.criteria.Join<Z,X>

getParent

public jakarta.persistence.criteria.From<?,Z> getParent()

Specified by:

getParent in interface jakarta.persistence.criteria.Join<Z,X>

getOn

public jakarta.persistence.criteria.Predicate getOn()

Specified by:

getOn in interface jakarta.persistence.criteria.Join<Z,X>

on

public jakarta.persistence.criteria.Join<Z,X> on(jakarta.persistence.criteria.Expression<Boolean> restriction)

Specified by:

on in interface jakarta.persistence.criteria.Join<Z,X>

on

public jakarta.persistence.criteria.Join<Z,X> on(jakarta.persistence.criteria.Predicate... restrictions)

Specified by:

on in interface jakarta.persistence.criteria.Join<Z,X>