Package org.datanucleus.api.jakarta.criteria

Class PathImpl<Z,X>

java.lang.Object

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

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

Type Parameters:

X - Type referenced by the path

All Implemented Interfaces:

jakarta.persistence.criteria.Expression<X>, jakarta.persistence.criteria.Path<X>, jakarta.persistence.criteria.Selection<X>, jakarta.persistence.TupleElement<X>, Serializable

Direct Known Subclasses:

FetchImpl, FromImpl, TreatPathImpl

public class PathImpl<Z,X>
extends ExpressionImpl<X>
implements jakarta.persistence.criteria.Path<X>

Implementation of Jakarta Persistence Criteria "Path".

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected AttributeImpl<? super Z,?>	attribute
protected PathImpl<?,Z>	parent

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

cb

Constructor Summary

Constructors

Constructor	Description
PathImpl(CriteriaBuilderImpl cb, Class<X> cls)
PathImpl(CriteriaBuilderImpl cb, PathImpl<?,Z> parent, AttributeImpl<? super Z,?> attr, Class<X> cls)

Method Summary

Modifier and Type	Method	Description
<K,V,M extends Map<K,V>> jakarta.persistence.criteria.Expression<M>	get(jakarta.persistence.metamodel.MapAttribute<? super X,K,V> attr)
<E,C extends Collection<E>> jakarta.persistence.criteria.Expression<C>	get(jakarta.persistence.metamodel.PluralAttribute<? super X,C,E> attr)
<Y> jakarta.persistence.criteria.Path<Y>	get(jakarta.persistence.metamodel.SingularAttribute<? super X,Y> attr)
<Y> jakarta.persistence.criteria.Path<Y>	get(String attrName)
jakarta.persistence.metamodel.Bindable<X>	getModel()
jakarta.persistence.criteria.Path<?>	getParentPath()
org.datanucleus.store.query.expression.Expression	getQueryExpression()	Accessor for the underlying DataNucleus expression for this path.
jakarta.persistence.metamodel.Type<?>	getType()
String	toString()	Method to return the path as something suitable for use as JPQL single-string.
jakarta.persistence.criteria.Expression<Class<? extends X>>	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

parent

protected final PathImpl<?,Z> parent

attribute

protected final AttributeImpl<? super Z,?> attribute

Constructor Detail

PathImpl

public PathImpl(CriteriaBuilderImpl cb,
                Class<X> cls)

PathImpl

public PathImpl(CriteriaBuilderImpl cb,
                PathImpl<?,Z> parent,
                AttributeImpl<? super Z,?> attr,
                Class<X> cls)

Method Detail

get

public <K,V,M extends Map<K,V>> jakarta.persistence.criteria.Expression<M> get(jakarta.persistence.metamodel.MapAttribute<? super X,K,V> attr)

Specified by:

get in interface jakarta.persistence.criteria.Path<Z>

get

public <E,C extends Collection<E>> jakarta.persistence.criteria.Expression<C> get(jakarta.persistence.metamodel.PluralAttribute<? super X,C,E> attr)

Specified by:

get in interface jakarta.persistence.criteria.Path<Z>

get

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

Specified by:

get in interface jakarta.persistence.criteria.Path<Z>

get

public <Y> jakarta.persistence.criteria.Path<Y> get(String attrName)

Specified by:

get in interface jakarta.persistence.criteria.Path<Z>

getType

public jakarta.persistence.metamodel.Type<?> getType()

getModel

public jakarta.persistence.metamodel.Bindable<X> getModel()

Specified by:

getModel in interface jakarta.persistence.criteria.Path<Z>

getParentPath

public jakarta.persistence.criteria.Path<?> getParentPath()

Specified by:

getParentPath in interface jakarta.persistence.criteria.Path<Z>

type

public jakarta.persistence.criteria.Expression<Class<? extends X>> type()

Specified by:

type in interface jakarta.persistence.criteria.Path<Z>

getQueryExpression

public org.datanucleus.store.query.expression.Expression getQueryExpression()

Accessor for the underlying DataNucleus expression for this path. Creates it if not yet existing.

Overrides:

getQueryExpression in class ExpressionImpl<X>

Returns:

The DataNucleus query expression

toString

public String toString()

Method to return the path as something suitable for use as JPQL single-string.

Overrides:

toString in class ExpressionImpl<X>

Returns:

The JPQL form