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/*******************************************************************************
* 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.jpa2.context;
/**
* JPA 2.0 attribute mapping
* <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 DerivableIdMapping2_0
extends AttributeMapping2_0
{
/**
* Return whether the ID (or embedded ID) mapping is derived from a
* relationship; i.e. a relationship maps the ID using the
* <code>@MapsId</code> annotation.
* <p>
* <strong>NB:</strong> There can be several relationships that map the ID
* (erroneously, of course).
*/
boolean isDerived();
/**
* Property string associated with changes to the derivable flag.
*/
final String DERIVED_PROPERTY = "derived"; //$NON-NLS-1$
}
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