/* * Copyright (c) 1998-2011 Caucho Technology -- all rights reserved * * This file is part of Resin(R) Open Source * * Each copy or derived work must preserve the copyright notice and this * notice unmodified. * * Resin Open Source is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * Resin Open Source 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, or any warranty * of NON-INFRINGEMENT. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License * along with Resin Open Source; if not, write to the * * Free Software Foundation, Inc. * 59 Temple Place, Suite 330 * Boston, MA 02111-1307 USA * * @author Scott Ferguson */ package javax.persistence.criteria; import java.util.Collection; import java.util.Map; import javax.persistence.metamodel.Bindable; import javax.persistence.metamodel.MapAttribute; import javax.persistence.metamodel.PluralAttribute; import javax.persistence.metamodel.SingularAttribute; /** * A path expression. * * @since JPA 2.0 */ public interface Path<X> extends Expression<X> { public Bindable<X> getModel(); public Path<?> getParentPath(); public <Y> Path<Y> get(SingularAttribute<? super X,Y> attribute); public <E,C extends Collection<E>> Expression<C> get(PluralAttribute<X,C,E> collection); public <K,V,M extends Map<K,V>> Expression<M> get(MapAttribute<X,K,V> map); public Expression<Class<? extends X>> type(); public <Y> Path<Y> get(String attributeName); }