org.datanucleus.api.jpa.criteria

Class FromImpl<Z,X>

java.lang.Object

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

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

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

Type Parameters:

Z - the parent type

X - the type represented by this

All Implemented Interfaces:

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

Direct Known Subclasses:

JoinImpl, RootImpl

public class FromImpl<Z,X>
extends PathImpl<Z,X>
implements javax.persistence.criteria.From<Z,X>

Implementation of JPA2 Criteria "From".

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected Set<javax.persistence.criteria.Fetch<X,?>>	fetchJoins
protected Set<javax.persistence.criteria.Join<X,?>>	joins
protected javax.persistence.metamodel.Type<X>	type

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

attribute, parent

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

cb

Constructor Summary

Constructors

Constructor and Description
FromImpl(CriteriaBuilderImpl cb, javax.persistence.metamodel.ManagedType<X> type)
FromImpl(CriteriaBuilderImpl cb, PathImpl<?,Z> parent, AttributeImpl<? super Z,?> type)

Method Summary

Modifier and Type	Method and Description
<Y> javax.persistence.criteria.Fetch<X,Y>	fetch(javax.persistence.metamodel.PluralAttribute<? super X,?,Y> attr)
<Y> javax.persistence.criteria.Fetch<X,Y>	fetch(javax.persistence.metamodel.PluralAttribute<? super X,?,Y> attr, javax.persistence.criteria.JoinType joinType)
<Y> javax.persistence.criteria.Fetch<X,Y>	fetch(javax.persistence.metamodel.SingularAttribute<? super X,Y> attr)
<Y> javax.persistence.criteria.Fetch<X,Y>	fetch(javax.persistence.metamodel.SingularAttribute<? super X,Y> attr, javax.persistence.criteria.JoinType joinType)
<X,Y> javax.persistence.criteria.Fetch<X,Y>	fetch(String attrName)
<X,Y> javax.persistence.criteria.Fetch<X,Y>	fetch(String attrName, javax.persistence.criteria.JoinType joinType)
protected javax.persistence.metamodel.Attribute	getAttributeForAttributeName(String attrName)
javax.persistence.metamodel.Type<X>	getAttributeType()
javax.persistence.criteria.From<Z,X>	getCorrelationParent()
Set<javax.persistence.criteria.Fetch<X,?>>	getFetches()
Set<javax.persistence.criteria.Join<X,?>>	getJoins()
org.datanucleus.query.expression.Expression	getQueryExpression() Accessor for the underlying DataNucleus expression for this path.
org.datanucleus.query.expression.Expression	getQueryExpression(boolean from) Accessor for the underlying DataNucleus expression for this path.
boolean	isCorrelated()
<Y> javax.persistence.criteria.CollectionJoin<X,Y>	join(javax.persistence.metamodel.CollectionAttribute<? super X,Y> collection)
<Y> javax.persistence.criteria.CollectionJoin<X,Y>	join(javax.persistence.metamodel.CollectionAttribute<? super X,Y> attr, javax.persistence.criteria.JoinType joinType)
<Y> javax.persistence.criteria.ListJoin<X,Y>	join(javax.persistence.metamodel.ListAttribute<? super X,Y> list)
<Y> javax.persistence.criteria.ListJoin<X,Y>	join(javax.persistence.metamodel.ListAttribute<? super X,Y> attr, javax.persistence.criteria.JoinType joinType)
<K,V> javax.persistence.criteria.MapJoin<X,K,V>	join(javax.persistence.metamodel.MapAttribute<? super X,K,V> map)
<K,V> javax.persistence.criteria.MapJoin<X,K,V>	join(javax.persistence.metamodel.MapAttribute<? super X,K,V> attr, javax.persistence.criteria.JoinType joinType)
<Y> javax.persistence.criteria.SetJoin<X,Y>	join(javax.persistence.metamodel.SetAttribute<? super X,Y> set)
<Y> javax.persistence.criteria.SetJoin<X,Y>	join(javax.persistence.metamodel.SetAttribute<? super X,Y> attr, javax.persistence.criteria.JoinType joinType)
<Y> javax.persistence.criteria.Join<X,Y>	join(javax.persistence.metamodel.SingularAttribute<? super X,Y> singular)
<Y> javax.persistence.criteria.Join<X,Y>	join(javax.persistence.metamodel.SingularAttribute<? super X,Y> attr, javax.persistence.criteria.JoinType joinType)
<X,Y> javax.persistence.criteria.Join<X,Y>	join(String attr)
<X,Y> javax.persistence.criteria.Join<X,Y>	join(String attrName, javax.persistence.criteria.JoinType joinType)
<X,Y> javax.persistence.criteria.CollectionJoin<X,Y>	joinCollection(String attrName)
<X,Y> javax.persistence.criteria.CollectionJoin<X,Y>	joinCollection(String attrName, javax.persistence.criteria.JoinType joinType)
<X,Y> javax.persistence.criteria.ListJoin<X,Y>	joinList(String attrName)
<X,Y> javax.persistence.criteria.ListJoin<X,Y>	joinList(String attrName, javax.persistence.criteria.JoinType joinType)
<X,K,V> javax.persistence.criteria.MapJoin<X,K,V>	joinMap(String attrName)
<X,K,V> javax.persistence.criteria.MapJoin<X,K,V>	joinMap(String attrName, javax.persistence.criteria.JoinType joinType)
<X,Y> javax.persistence.criteria.SetJoin<X,Y>	joinSet(String attr)
<X,Y> javax.persistence.criteria.SetJoin<X,Y>	joinSet(String attrName, javax.persistence.criteria.JoinType joinType)
String	toString() Method to return a JPQL string form of the root expression.
String	toString(boolean from) Method to return a JPQL string form of the root expression.

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

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

Methods inherited from class org.datanucleus.api.jpa.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 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

alias, getCompoundSelectionItems, isCompoundSelection

Methods inherited from interface javax.persistence.TupleElement

getAlias, getJavaType

Field Detail

joins

protected Set<javax.persistence.criteria.Join<X,?>> joins

fetchJoins

protected Set<javax.persistence.criteria.Fetch<X,?>> fetchJoins

type

protected javax.persistence.metamodel.Type<X> type

Constructor Detail

FromImpl

public FromImpl(CriteriaBuilderImpl cb,
                javax.persistence.metamodel.ManagedType<X> type)

FromImpl

public FromImpl(CriteriaBuilderImpl cb,
                PathImpl<?,Z> parent,
                AttributeImpl<? super Z,?> type)

Method Detail

getAttributeType

public javax.persistence.metamodel.Type<X> getAttributeType()

getCorrelationParent

public javax.persistence.criteria.From<Z,X> getCorrelationParent()

Specified by:

getCorrelationParent in interface javax.persistence.criteria.From<Z,X>

isCorrelated

public boolean isCorrelated()

Specified by:

isCorrelated in interface javax.persistence.criteria.From<Z,X>

getJoins

public Set<javax.persistence.criteria.Join<X,?>> getJoins()

Specified by:

getJoins in interface javax.persistence.criteria.From<Z,X>

join

public <Y> javax.persistence.criteria.CollectionJoin<X,Y> join(javax.persistence.metamodel.CollectionAttribute<? super X,Y> attr,
                                                               javax.persistence.criteria.JoinType joinType)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <Y> javax.persistence.criteria.CollectionJoin<X,Y> join(javax.persistence.metamodel.CollectionAttribute<? super X,Y> collection)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <Y> javax.persistence.criteria.ListJoin<X,Y> join(javax.persistence.metamodel.ListAttribute<? super X,Y> attr,
                                                         javax.persistence.criteria.JoinType joinType)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <Y> javax.persistence.criteria.ListJoin<X,Y> join(javax.persistence.metamodel.ListAttribute<? super X,Y> list)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <K,V> javax.persistence.criteria.MapJoin<X,K,V> join(javax.persistence.metamodel.MapAttribute<? super X,K,V> attr,
                                                            javax.persistence.criteria.JoinType joinType)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <K,V> javax.persistence.criteria.MapJoin<X,K,V> join(javax.persistence.metamodel.MapAttribute<? super X,K,V> map)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <Y> javax.persistence.criteria.SetJoin<X,Y> join(javax.persistence.metamodel.SetAttribute<? super X,Y> attr,
                                                        javax.persistence.criteria.JoinType joinType)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <Y> javax.persistence.criteria.SetJoin<X,Y> join(javax.persistence.metamodel.SetAttribute<? super X,Y> set)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <Y> javax.persistence.criteria.Join<X,Y> join(javax.persistence.metamodel.SingularAttribute<? super X,Y> attr,
                                                     javax.persistence.criteria.JoinType joinType)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <Y> javax.persistence.criteria.Join<X,Y> join(javax.persistence.metamodel.SingularAttribute<? super X,Y> singular)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <X,Y> javax.persistence.criteria.Join<X,Y> join(String attrName,
                                                       javax.persistence.criteria.JoinType joinType)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <X,Y> javax.persistence.criteria.Join<X,Y> join(String attr)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

joinCollection

public <X,Y> javax.persistence.criteria.CollectionJoin<X,Y> joinCollection(String attrName,
                                                                           javax.persistence.criteria.JoinType joinType)

Specified by:

joinCollection in interface javax.persistence.criteria.From<Z,X>

joinCollection

public <X,Y> javax.persistence.criteria.CollectionJoin<X,Y> joinCollection(String attrName)

Specified by:

joinCollection in interface javax.persistence.criteria.From<Z,X>

joinList

public <X,Y> javax.persistence.criteria.ListJoin<X,Y> joinList(String attrName,
                                                               javax.persistence.criteria.JoinType joinType)

Specified by:

joinList in interface javax.persistence.criteria.From<Z,X>

joinList

public <X,Y> javax.persistence.criteria.ListJoin<X,Y> joinList(String attrName)

Specified by:

joinList in interface javax.persistence.criteria.From<Z,X>

joinMap

public <X,K,V> javax.persistence.criteria.MapJoin<X,K,V> joinMap(String attrName,
                                                                 javax.persistence.criteria.JoinType joinType)

Specified by:

joinMap in interface javax.persistence.criteria.From<Z,X>

joinMap

public <X,K,V> javax.persistence.criteria.MapJoin<X,K,V> joinMap(String attrName)

Specified by:

joinMap in interface javax.persistence.criteria.From<Z,X>

joinSet

public <X,Y> javax.persistence.criteria.SetJoin<X,Y> joinSet(String attrName,
                                                             javax.persistence.criteria.JoinType joinType)

Specified by:

joinSet in interface javax.persistence.criteria.From<Z,X>

joinSet

public <X,Y> javax.persistence.criteria.SetJoin<X,Y> joinSet(String attr)

Specified by:

joinSet in interface javax.persistence.criteria.From<Z,X>

getFetches

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

Specified by:

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

fetch

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

Specified by:

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

fetch

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

Specified by:

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

fetch

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

Specified by:

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

fetch

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

Specified by:

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

fetch

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

Specified by:

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

fetch

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

Specified by:

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

getQueryExpression

public org.datanucleus.query.expression.Expression getQueryExpression(boolean from)

Accessor for the underlying DataNucleus expression for this path. Will be ClassExpression (FROM clause), or PrimaryExpression (otherwise).

Parameters:

from - Whether this is for the from clause

Returns:

The DataNucleus query expression

getQueryExpression

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

Accessor for the underlying DataNucleus expression for this path.

Overrides:

getQueryExpression in class PathImpl<Z,X>

Returns:

The DataNucleus query expression

toString

public String toString()

Method to return a JPQL string form of the root expression.

Overrides:

toString in class PathImpl<Z,X>

Returns:

The string form

toString

public String toString(boolean from)

Method to return a JPQL string form of the root expression.

Parameters:

from - Whether this is for the FROM clause

Returns:

The string form

getAttributeForAttributeName

protected javax.persistence.metamodel.Attribute getAttributeForAttributeName(String attrName)