/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.ejb.criteria.path;
import java.io.Serializable;
import java.util.List;
import javax.persistence.criteria.Expression;
import javax.persistence.criteria.JoinType;
import javax.persistence.metamodel.ListAttribute;
import org.hibernate.ejb.criteria.CriteriaBuilderImpl;
import org.hibernate.ejb.criteria.CriteriaSubqueryImpl;
import org.hibernate.ejb.criteria.FromImplementor;
import org.hibernate.ejb.criteria.ListJoinImplementor;
import org.hibernate.ejb.criteria.PathImplementor;
import org.hibernate.ejb.criteria.PathSource;
import org.hibernate.ejb.criteria.expression.ListIndexExpression;
/**
* TODO : javadoc
*
* @author Steve Ebersole
*/
public class ListAttributeJoin<O,E>
extends PluralAttributeJoinSupport<O, List<E>,E>
implements ListJoinImplementor<O,E>, Serializable {
public ListAttributeJoin(
CriteriaBuilderImpl criteriaBuilder,
Class<E> javaType,
PathSource<O> pathSource,
ListAttribute<? super O, E> joinAttribute,
JoinType joinType) {
super( criteriaBuilder, javaType, pathSource, joinAttribute, joinType );
}
/**
* {@inheritDoc}
*/
public Expression<Integer> index() {
return new ListIndexExpression( criteriaBuilder(), this, getAttribute() );
}
@Override
public ListAttribute<? super O, E> getAttribute() {
return (ListAttribute<? super O, E>) super.getAttribute();
}
@Override
public ListAttribute<? super O, E> getModel() {
return getAttribute();
}
@Override
public final ListAttributeJoin<O,E> correlateTo(CriteriaSubqueryImpl subquery) {
return (ListAttributeJoin<O,E>) super.correlateTo( subquery );
}
@Override
protected FromImplementor<O, E> createCorrelationDelegate() {
return new ListAttributeJoin<O,E>(
criteriaBuilder(),
getJavaType(),
(PathImplementor<O>) getParentPath(),
getAttribute(),
getJoinType()
);
}
}