org.apache.openjpa.persistence.criteria
Class Joins.AbstractCollection<Z,C,E>

java.lang.Object
  org.apache.openjpa.persistence.criteria.SelectionImpl<X>
      org.apache.openjpa.persistence.criteria.ExpressionImpl<X>
          org.apache.openjpa.persistence.criteria.PathImpl<Z,X>
              org.apache.openjpa.persistence.criteria.FromImpl<Z,E>
                  org.apache.openjpa.persistence.criteria.Joins.AbstractCollection<Z,C,E>

All Implemented Interfaces:

Expression<E>, FetchParent<Z,E>, From<Z,E>, Join<Z,E>, Path<E>, PluralJoin<Z,C,E>, Selection<E>, TupleElement<E>, CriteriaExpression

Direct Known Subclasses:

Joins.Collection, Joins.List, Joins.Map, Joins.Set

Enclosing class:

Joins

abstract static class Joins.AbstractCollection<Z,C,E>
extends FromImpl<Z,E>
implements PluralJoin<Z,C,E>

Join a plural attribute.

Field Summary

Fields inherited from class org.apache.openjpa.persistence.criteria.PathImpl

_member, _parent

Constructor Summary

Joins.AbstractCollection(FromImpl<?,Z> from, Members.PluralAttributeImpl<? super Z,C,E> member, JoinType jt)

Method Summary

StringBuilder	asVariable(AliasContext q) Get a string representation of this node as a variable in the context of the given query.
Attribute<? super Z,E>	getAttribute()
JoinType	getJoinType()
ClassMetaData	getMemberClassMetaData()
PluralAttribute<? super Z,C,E>	getModel() Returns the bindable object that corresponds to the path expression.
FromImpl<?,Z>	getParent() Gets the parent of this join.
Expression	toKernelExpression(ExpressionFactory factory, CriteriaQueryImpl<?> c) Convert this path to a join expression.
Value	toValue(ExpressionFactory factory, CriteriaQueryImpl<?> c) Convert this path to a kernel path (value).

Methods inherited from class org.apache.openjpa.persistence.criteria.FromImpl

acceptVisit, assertJoinable, fetch, fetch, fetch, fetch, fetch, fetch, getCorrelationParent, getFetches, getJoins, getType, join, join, join, join, join, join, join, join, join, join, join, join, joinCollection, joinCollection, joinList, joinList, joinMap, joinMap, joinSet, joinSet

Methods inherited from class org.apache.openjpa.persistence.criteria.PathImpl

asValue, get, get, get, get, getCorrelatedJoin, getCorrelatedPath, getCorrelatedRoot, getEmbeddedFieldMetaData, getInnermostMember, getInnermostParentPath, getMember, getParentPath, inSubquery, isCorrelated, setCorrelatedPath, traversePath, type

Methods inherited from class org.apache.openjpa.persistence.criteria.ExpressionImpl

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

Methods inherited from class org.apache.openjpa.persistence.criteria.SelectionImpl

alias, asProjection, assertValidName, getAlias, getCompoundSelectionItems, getJavaType, isAliased, isAutoAliased, isCompoundSelection, setAutoAlias

Methods inherited from class java.lang.Object

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

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

get, get, get, get, 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

Methods inherited from interface javax.persistence.criteria.FetchParent

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

Constructor Detail

Joins.AbstractCollection

public Joins.AbstractCollection(FromImpl<?,Z> from,
                                Members.PluralAttributeImpl<? super Z,C,E> member,
                                JoinType jt)

Method Detail

getJoinType

public final JoinType getJoinType()

Specified by:

getJoinType in interface Join<Z,E>

getParent

public final FromImpl<?,Z> getParent()

Gets the parent of this join.

Specified by:

getParent in interface Join<Z,E>

getAttribute

public Attribute<? super Z,E> getAttribute()

Specified by:

getAttribute in interface Join<Z,E>

getModel

public PluralAttribute<? super Z,C,E> getModel()

Description copied from class: PathImpl

Returns the bindable object that corresponds to the path expression.

Specified by:

getModel in interface Path<E>

Specified by:

getModel in interface PluralJoin<Z,C,E>

Overrides:

getModel in class PathImpl<Z,E>

getMemberClassMetaData

public ClassMetaData getMemberClassMetaData()

toValue

public Value toValue(ExpressionFactory factory,
                     CriteriaQueryImpl<?> c)

Convert this path to a kernel path (value).

Overrides:

toValue in class PathImpl<Z,E>

Parameters:

factory - creates the kernel expression

c - the query definition context of this expression

Returns:

an equivalent kernel value

toKernelExpression

public Expression toKernelExpression(ExpressionFactory factory,
                                     CriteriaQueryImpl<?> c)

Convert this path to a join expression.

Overrides:

toKernelExpression in class ExpressionImpl<E>

Parameters:

factory - creates the kernel expression

c - the query definition context of this expression

Returns:

an equivalent kernel expression

asVariable

public StringBuilder asVariable(AliasContext q)

Description copied from interface: CriteriaExpression

Get a string representation of this node as a variable in the context of the given query.

Specified by:

asVariable in interface CriteriaExpression

Overrides:

asVariable in class PathImpl<Z,E>