org.datanucleus.jpa.criteria
Class FetchImpl<Z,X>

java.lang.Object
  org.datanucleus.jpa.criteria.ExpressionImpl<X>
      org.datanucleus.jpa.criteria.PathImpl<Z,X>
          org.datanucleus.jpa.criteria.FetchImpl<Z,X>

Type Parameters:

Z - type from which joining

X - type of the attribute being joined

All Implemented Interfaces:

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

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

Implementation of JPA2 Criteria "Fetch".

Field Summary

protected java.util.Set<javax.persistence.criteria.Fetch<?,?>>	fetches
protected javax.persistence.criteria.JoinType	joinType

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

attribute, parent

Constructor Summary

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

Method Summary

<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 type)
<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 type)
<X,Y> javax.persistence.criteria.Fetch<X,Y>	fetch(java.lang.String attrName)
<X,Y> javax.persistence.criteria.Fetch<X,Y>	fetch(java.lang.String attrName, javax.persistence.criteria.JoinType type)
javax.persistence.metamodel.Attribute<? super Z,?>	getAttribute()
java.util.Set<javax.persistence.criteria.Fetch<X,?>>	getFetches()
javax.persistence.criteria.JoinType	getJoinType()
javax.persistence.criteria.FetchParent<?,Z>	getParent()

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

get, get, get, get, getModel, getParentPath, getQueryExpression, getType, toString, type

Methods inherited from class org.datanucleus.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.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

fetches

protected java.util.Set<javax.persistence.criteria.Fetch<?,?>> fetches

joinType

protected javax.persistence.criteria.JoinType joinType

Constructor Detail

FetchImpl

public FetchImpl(FromImpl<?,Z> parent,
                 AttributeImpl<? super Z,X> attr,
                 javax.persistence.criteria.JoinType joinType)

Constructor for a fetch join to an entity.

Parameters:

parent - Parent object

attr - The type joining to

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

Method Detail

fetch

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

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 type)

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(java.lang.String attrName,
                                                         javax.persistence.criteria.JoinType type)

Specified by:

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

fetch

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

Specified by:

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

getFetches

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

Specified by:

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

getAttribute

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

Specified by:

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

getJoinType

public javax.persistence.criteria.JoinType getJoinType()

Specified by:

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

getParent

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

Specified by:

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