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/*******************************************************************************
* Copyright (c) 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;
/**
* Named context node that may have collisions with or override other nodes
* with the same name defined elsewhere in the persistence unit
* (e.g. sequence generators).
* <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 JpaNamedContextNode<T>
extends JpaContextNode
{
// ********** name **********
String getName();
String NAME_PROPERTY = "name"; //$NON-NLS-1$
void setName(String name);
// ********** validation **********
/**
* Return whether the node "overrides" the specified node
* within the nodes' persistence unit.
* (e.g. a query defined in <code>orm.xml</code>
* "overrides" one defined in a Java annotation).
*
* @see #duplicates(Object)
*/
boolean overrides(T other);
/**
* Return whether the node is a "duplicate" of the specified node.
* Two nodes are duplicates if they both have the same,
* non-null name and neither node "overrides" the other.
*
* @see #overrides(Object)
*/
boolean duplicates(T other);
}
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