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/*
 * Copyright (c) 1998, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     Oracle - initial API and implementation from Oracle TopLink
package org.eclipse.persistence.sessions.changesets;

/**
 * 
 * Purpose: Define the Public interface for the Aggregate Change Record.
 * 
 * Description: This interface is meant to clarify the public protocol into TopLink.
 */
public interface AggregateChangeRecord extends ChangeRecord {

    /**
     * ADVANCED:
     * This method is used to return the ObjectChangeSet representing the changed Aggregate.
     */
    public ObjectChangeSet getChangedObject();

    /**
     * ADVANCED:
     * If the owning UnitOfWork has shouldChangeRecordKeepOldValue set to true,
     * then return the old value of the attribute represented by this ChangeRecord.
     */
    public Object getOldValue();
}