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/*******************************************************************************
* Copyright (c) 2008, 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;
import org.eclipse.jpt.jpa.core.JpaStructureNode;
/**
* The root of a JPA mapping 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 2.1
* @since 2.1
*/
public interface MappingFileRoot
extends XmlContextNode, JpaStructureNode
{
/**
* covariant override
*/
MappingFile getParent();
/**
* Return the specified access if present, otherwise return the default
* access.
*/
AccessType getAccess();
/**
* Return the specified catalog if present, otherwise return the default
* catalog.
*/
String getCatalog();
/**
* Return the specified schema if present, otherwise return the default
* schema.
*/
String getSchema();
/**
* Return the metadata defined within the mapping file
* <em>for the persistence unit</em>.
* Return <code>null</code> if none exists.
*
* @see MappingFilePersistenceUnitMetadata#resourceExists()
*/
MappingFilePersistenceUnitMetadata getPersistenceUnitMetadata();
}
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