/*
 * Copyright 2007 Edward Kuns
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 *
 * $Id: Root.java 0000 2007-01-11 00:00:00Z ekuns $
 */
package org.castor.xmlctf.xmldiff.xml.nodes;


/**
 * A representation of a Root node.
 *
 * @author <a href="mailto:edward.kuns@aspect.com">Edward Kuns</a>
 * @version $Revision: 0000 $ $Date: 2007-01-11 00:00:00 -0600 (Thu, 11 Jan 2007) $
 * @since Castor 1.1
 */
public class Root extends ParentNode {

  /** Serial Version UID. */
  private static final long serialVersionUID = -4945943618209646133L;
  /** Local name for a root object is special. */
  private static final String ROOT_NAME = "#root";

  /**
   * Creates a new Root Node. Basically, a root node can contain only Elements and nothing else.
   */
  public Root() {
    super(null, ROOT_NAME, XMLNode.ROOT);
  }

  /**
   * Returns the root node, i.e., <code>this</code>.
   * 
   * @return The root node.
   */
  public XMLNode getRootNode() {
    return this;
  }

}
