/*******************************************************************************
* Copyright (c) 2006, 2011 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.viewers.model.provisional;
import org.eclipse.debug.core.IRequest;
import org.eclipse.jface.viewers.TreePath;
/**
* A context sensitive viewer update request.
*
* @noimplement This interface is not intended to be implemented by clients.
* @since 3.3
*/
public interface IViewerUpdate extends IRequest {
/**
* Returns the context this update was requested in.
*
* @return context this update was requested in
*/
public IPresentationContext getPresentationContext();
/**
* Returns the model element associated with this request.
*
* @return associated model element
*/
public Object getElement();
/**
* Returns the viewer tree path to the model element associated with this
* request. An empty path indicates a root element.
*
* @return tree path, possibly empty
*/
public TreePath getElementPath();
/**
* Returns the element that was the viewer input at the time the
* request was made, possibly <code>null</code>.
*
* @return viewer input element, possibly <code>null</code>
* @since 3.4
*/
public Object getViewerInput();
}