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Wed Mar 24 16:00:00 GMT 2004
RegularNode
package examples.visitor.java; /* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- * * This file is part of the design patterns project at UBC * * The contents of this file are subject to the Mozilla Public License * Version 1.1 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * either http:*www.mozilla.org/MPL/ or http:*aspectj.org/MPL/. * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is ca.ubc.cs.spl.pattern. * * Contributor(s): */ /** * Implements a concrete element of the aggregate strcuture. This is a * non-terminal binary tree element. * * @author Jan Hannemann * @author Gregor Kiczales * @version 1.0, 06/13/02 * * @see Node * @see NodeVisitor */ public class RegularNode implements Node { /** * the left subtree */ protected Node left; /** * the right subtree */ protected Node right; /** * Accepts a visitor and calls <code>visitRegularNode(Node) on it. * * @param nv the NodeVisitor that is to be accepted. */ public void accept(NodeVisitor nv) { nv.visitRegularNode(this); } /** * Accessor for the left subtree. * * @returns the left subtree. */ public Node getLeft() { return left; } /** * Accessor for the right subtree. * * @returns the right subtree. */ public Node getRight() { return right; } /** * Creates a non-terminal node of a binary tree. * * @param l the new left subtree. * @param l the new left subtree. */ public RegularNode(Node l, Node r) { left = l; right = r; } }
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