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/*******************************************************************************
* Copyright (c) 2007, 2012 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;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jpt.common.utility.model.Model;
/**
* JPA-specific protocol. All JPA objects belong to a JPA project, are
* associated with a resource, and have a parent (excepting the JPA project).
* <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 2.0
*/
public interface JpaNode
extends Model, IAdaptable
{
/**
* Return the JPA project manager.
*/
JpaProject.Manager getJpaProjectManager();
/**
* Return the JPA project the node belongs to.
*/
JpaProject getJpaProject();
/**
* Return the JPA node's parent. The JPA project will not have a parent.
*/
JpaNode getParent();
/**
* Some state or child (or grandchild etc.) of the JPA node changed.
* Fire a state change event. Implied by this behavior is that any change
* to any JPA node in a JPA project will trigger the JPA project to fire a
* state change event.
*
* @see Model#addStateChangeListener(org.eclipse.jpt.common.utility.model.listener.StateChangeListener)
* @see org.eclipse.jpt.common.utility.model.event.StateChangeEvent
* @see org.eclipse.jpt.common.utility.model.listener.StateChangeListener
*/
void stateChanged();
/**
* Return the node's resource, typically for validation messages.
*/
IResource getResource();
}
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