/**
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v1.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  package ch.qos.logback.core.pattern.parser;
  
  public class CompositeNode extends SimpleKeywordNode {
      Node childNode;
  
      CompositeNode(String keyword) {
          super(Node.COMPOSITE_KEYWORD, keyword);
  
      }
  
      public Node getChildNode() {
          return childNode;
      }
  
      public void setChildNode(Node childNode) {
          this.childNode = childNode;
      }
  
      public boolean equals(Object o) {
          if (!super.equals(o)) {
              return false;
          }
          if (!(o instanceof CompositeNode)) {
              return false;
          }
          CompositeNode r = (CompositeNode) o;
  
          return (childNode != null) ? childNode.equals(r.childNode) : (r.childNode == null);
      }
  
      @Override
      public int hashCode() {
          return super.hashCode();
      }
  
      public String toString() {
          StringBuilder buf = new StringBuilder();
          if (childNode != null) {
              buf.append("CompositeNode(" + childNode + ")");
          } else {
              buf.append("CompositeNode(no child)");
          }
          buf.append(printNext());
          return buf.toString();
      }
  }