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The PDO application layer of the Tentackle Framework

There is a newer version: 21.16.2.0

/*
 * Tentackle - https://tentackle.org
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */



package org.tentackle.pdo;

import org.tentackle.reflect.EffectiveClassProvider;


/**
 * A persistent domain object.
 * 
 * PDOs consist of a persistence- and a domain-part. Both are interfaces.
 * Their implementations are instantiated by a factory at runtime and
 * provided to the application by means of a dynamic proxy. Thus, the concrete implementation
 * is not known to the PDO-layer and can be replaced without changing a single
 * line of application code.
 *
 * @param  the PDO class
 * @author harald
 */
public interface PersistentDomainObject>
       extends PersistentObject, DomainObject, EffectiveClassProvider, Comparable {

  /**
   * Gets the delegate implementing the domain logic.
   * 

   * Note: the method is intercepted and executed by the {@link PdoInvocationHandler}.
   *
   * @return the domain object
   */
  @Override
  DomainObject getDomainDelegate();

  /**
   * Gets the delegate implementing the persistence layer.
   * 
   * Note: the method is intercepted and executed by the {@link PdoInvocationHandler}.
   *
   * @return the persistent object
   */
  @Override
  PersistentObject getPersistenceDelegate();

}