/*******************************************************************************
 * Copyright (c) 2010, 2011 Oracle. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0, which accompanies this distribution
 * and is available at http://www.eclipse.org/legal/epl-v10.html.
 *
 * Contributors:
 *     Oracle - initial API and implementation
 ******************************************************************************/
package org.eclipse.jpt.jpa.core.context;

/**
 * Virtual database unique constraint. <em>Virtual</em> unique constraints
 * are held by <em>virtual</em> join tables (which are held by <em>virtual</em>
 * association overrides) and, in the case or <code>orm.xml</code>,
 * <em>virtual</em> secondary tables.
 * <p>
 * Provisional API: This interface is part of an interim API that is still
 * under development and expected to change significantly before reaching
 * stability. It is available at this early stage to solicit feedback from
 * pioneering adopters on the understanding that any code that uses this API
 * will almost certainly be broken (repeatedly) as the API evolves.
 */
public interface VirtualUniqueConstraint
	extends ReadOnlyUniqueConstraint
{
	/**
	 * Return the wrapped unique constraint.
	 */
	ReadOnlyUniqueConstraint getOverriddenUniqueConstraint();
}