Package org.datanucleus.api.jakarta.criteria

Class FetchImpl<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.FetchImpl<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.Fetch<Z,X>, jakarta.persistence.criteria.FetchParent<Z,X>, jakarta.persistence.criteria.Path<X>, jakarta.persistence.criteria.Selection<X>, jakarta.persistence.TupleElement<X>, Serializable

public class FetchImpl<Z,X>
extends PathImpl<Z,X>
implements jakarta.persistence.criteria.Fetch<Z,X>

Implementation of Jakarta Persistence Criteria "Fetch".

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected Set<jakarta.persistence.criteria.Fetch<X,?>>	fetches
protected jakarta.persistence.criteria.JoinType	joinType

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
FetchImpl(CriteriaBuilderImpl cb, PathImpl<?,Z> parent, AttributeImpl<? super Z,X> attr, jakarta.persistence.criteria.JoinType joinType)	Constructor for a fetch join to an entity.

Method Summary

Modifier and Type	Method	Description
<Y> jakarta.persistence.criteria.Fetch<X,Y>	fetch(jakarta.persistence.metamodel.PluralAttribute<? super X,?,Y> attr)
<Y> jakarta.persistence.criteria.Fetch<X,Y>	fetch(jakarta.persistence.metamodel.PluralAttribute<? super X,?,Y> attr, jakarta.persistence.criteria.JoinType type)
<Y> jakarta.persistence.criteria.Fetch<X,Y>	fetch(jakarta.persistence.metamodel.SingularAttribute<? super X,Y> attr)
<Y> jakarta.persistence.criteria.Fetch<X,Y>	fetch(jakarta.persistence.metamodel.SingularAttribute<? super X,Y> attr, jakarta.persistence.criteria.JoinType type)
<X,Y> jakarta.persistence.criteria.Fetch<X,Y>	fetch(String attrName)
<X,Y> jakarta.persistence.criteria.Fetch<X,Y>	fetch(String attrName, jakarta.persistence.criteria.JoinType type)
jakarta.persistence.metamodel.Attribute<? super Z,?>	getAttribute()
Set<jakarta.persistence.criteria.Fetch<X,?>>	getFetches()
jakarta.persistence.criteria.JoinType	getJoinType()
jakarta.persistence.criteria.FetchParent<?,Z>	getParent()

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

get, get, get, get, getModel, getParentPath, getQueryExpression, getType, toString, 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.Selection

alias, getCompoundSelectionItems, isCompoundSelection

Methods inherited from interface jakarta.persistence.TupleElement

getAlias, getJavaType

Field Detail

fetches

protected Set<jakarta.persistence.criteria.Fetch<X,?>> fetches

joinType

protected jakarta.persistence.criteria.JoinType joinType

Constructor Detail

FetchImpl

public FetchImpl(CriteriaBuilderImpl cb,
                 PathImpl<?,Z> parent,
                 AttributeImpl<? super Z,X> attr,
                 jakarta.persistence.criteria.JoinType joinType)

Constructor for a fetch join to an entity.

Parameters:

cb - Criteria Builder

parent - Parent object

attr - The type joining to

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

Method Detail

fetch

public <Y> jakarta.persistence.criteria.Fetch<X,Y> fetch(jakarta.persistence.metamodel.PluralAttribute<? super X,?,Y> attr,
                                                               jakarta.persistence.criteria.JoinType type)

Specified by:

fetch in interface jakarta.persistence.criteria.FetchParent<Z,X>

fetch

public <Y> jakarta.persistence.criteria.Fetch<X,Y> fetch(jakarta.persistence.metamodel.PluralAttribute<? super X,?,Y> attr)

Specified by:

fetch in interface jakarta.persistence.criteria.FetchParent<Z,X>

fetch

public <Y> jakarta.persistence.criteria.Fetch<X,Y> fetch(jakarta.persistence.metamodel.SingularAttribute<? super X,Y> attr,
                                                               jakarta.persistence.criteria.JoinType type)

Specified by:

fetch in interface jakarta.persistence.criteria.FetchParent<Z,X>

fetch

public <Y> jakarta.persistence.criteria.Fetch<X,Y> fetch(jakarta.persistence.metamodel.SingularAttribute<? super X,Y> attr)

Specified by:

fetch in interface jakarta.persistence.criteria.FetchParent<Z,X>

fetch

public <X,Y> jakarta.persistence.criteria.Fetch<X,Y> fetch(String attrName,
                                                                       jakarta.persistence.criteria.JoinType type)

Specified by:

fetch in interface jakarta.persistence.criteria.FetchParent<Z,X>

fetch

public <X,Y> jakarta.persistence.criteria.Fetch<X,Y> fetch(String attrName)

Specified by:

fetch in interface jakarta.persistence.criteria.FetchParent<Z,X>

getFetches

public Set<jakarta.persistence.criteria.Fetch<X,?>> getFetches()

Specified by:

getFetches in interface jakarta.persistence.criteria.FetchParent<Z,X>

getAttribute

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

Specified by:

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

getJoinType

public jakarta.persistence.criteria.JoinType getJoinType()

Specified by:

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

getParent

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

Specified by:

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