org.apache.openjpa.persistence.criteria
Class Joins

java.lang.Object
  org.apache.openjpa.persistence.criteria.Joins

abstract class Joins
extends Object

Implements strongly-typed Join expressions via singular and plural attributes.

Since:

2.0.0

Author:

Fay Wang, Pinaki Poddar

Nested Class Summary

(package private) static class	Joins.AbstractCollection<Z,C,E> Join a plural attribute.
(package private) static class	Joins.Collection<Z,E> Join a java.util.Collection<E> type attribute.
(package private) static class	Joins.KeyJoin<K,V> A specialized join via key of a java.util.Map<K,V> attribute.
(package private) static class	Joins.List<Z,E> Join a java.util.List<E> type attribute.
(package private) static class	Joins.Map<Z,K,V> Join a java.util.Map<K,V> type attribute.
(package private) static class	Joins.MapEntry<K,V>
(package private) static class	Joins.MapKey<Z,K>
(package private) static class	Joins.Set<Z,E> Join a java.util.Set<E> type attribute.
(package private) static class	Joins.SingularJoin<Z,X> Join a single-valued attribute.

Constructor Summary

Joins()

Method Summary

(package private) static Join	clone(Join join)
(package private) static FromImpl	getMembers(PathImpl join, List<Members.Member> members, List<JoinType> jts)
(package private) static Join<?,?>	makeJoin(FromImpl<?,?> from, Members.Member member, JoinType jt)

Methods inherited from class java.lang.Object

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

Constructor Detail

Joins

Joins()

Method Detail

clone

static Join clone(Join join)

makeJoin

static Join<?,?> makeJoin(FromImpl<?,?> from,
                          Members.Member member,
                          JoinType jt)

getMembers

static FromImpl getMembers(PathImpl join,
                           List<Members.Member> members,
                           List<JoinType> jts)