/*******************************************************************************
 * Copyright (c) 2005, 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;

/**
 * discriminator column
 * <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.
 * 
 * @version 3.1
 * @since 2.0
 */
public interface DiscriminatorColumn
	extends NamedDiscriminatorColumn
{
	String DEFAULT_NAME = "DTYPE"; //$NON-NLS-1$


	// ********** validation **********

	/**
	 * Return whether the column is specified in the resource.
	 */
	boolean isResourceSpecified();

}