/*******************************************************************************
 * Copyright (c) 2007, 2010 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.orm;

import org.eclipse.jpt.jpa.core.context.MappingFile;

/**
 * JPA <code>orm.xml</code> file.
 * <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 3.0
 * @since 2.0
 */
public interface OrmXml
	extends MappingFile
{
	// ********** root **********

	/**
	 * String constant associated with changes to the
	 * <code>entity-mappings</code> property
	 */
	String ROOT_PROPERTY = "root"; //$NON-NLS-1$

	/**
	 * Covariant override.
	 */
	EntityMappings getRoot();

	OrmPersistentType getPersistentType(String name);
}