IdentifiableType.java example

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/*
 * 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.metamodel;

import java.util.Set;

/**
 * Reflection model for a JPA entity.
 *
 * @since JPA 2.0
 */
public interface IdentifiableType<X> extends ManagedType<X> {
  public <Y> SingularAttribute<? super X,Y> getId(Class<Y> type);
  
  public <Y> SingularAttribute<X,Y> getDeclaredId(Class<Y> type);
  
  public <Y> SingularAttribute<? super X,Y> getVersion(Class<Y> type);
  
  public <Y> SingularAttribute<X,Y> getDeclaredVersion(Class<Y> type);
  
  public IdentifiableType<? super X> getSupertype();
  
  public boolean hasSingleIdAttribute();
  
  public boolean hasVersionAttribute();
  
  public Set<SingularAttribute<? super X,?>> getIdClassAttributes();
  
  public Type<?> getIdType();
}