/*******************************************************************************
* Copyright (c) 2000, 2005 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.core.internal.watson;
/**
* An interface for objects which can visit an element of an element tree and access that element's
* node info.
*
* @see ElementTreeIterator
*/
public interface IElementContentVisitor {
/**
* Visits a node (element).
* <p>
* Note that <code>elementContents</code> is equal to<code>tree.
* getElement(elementPath)</code> but takes no time.
*
* @param tree the element tree being visited
* @param elementContents the object at the node being visited on this call
* @param requestor callback object for requesting the path of the object being visited.
* @return true if this element's children should be visited, and false otherwise.
*/
public boolean visitElement(ElementTree tree, IPathRequestor requestor, Object elementContents);
}