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Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you 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 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.
 package org.apache.hadoop.hive.ql.parse;

 public class ASTNode extends CommonTree implements Node,Serializable {
   private static final long serialVersionUID = 1L;
   private ASTNodeOrigin origin;
   public ASTNode() {


t Token for the CommonTree Node
   public ASTNode(Token t) {
    * (non-Javadoc)
    * @see org.apache.hadoop.hive.ql.lib.Node#getChildren()
   public ArrayList<NodegetChildren() {
     if (super.getChildCount() == 0) {
       return null;
     ArrayList<Noderet_vec = new ArrayList<Node>();
     for (int i = 0; i < super.getChildCount(); ++i) {
     return ret_vec;
    * (non-Javadoc)
    * @see org.apache.hadoop.hive.ql.lib.Node#getName()
   public String getName() {
     return (new Integer(super.getToken().getType())).toString();


information about the object from which this ASTNode originated, or null if this ASTNode was not expanded from an object reference
   public ASTNodeOrigin getOrigin() {
     return ;

Tag this ASTNode with information about the object from which this node originated.
   public void setOrigin(ASTNodeOrigin origin) {
     this. = origin;
   public String dump() {
     StringBuilder sb = new StringBuilder();
     ArrayList<Nodechildren = getChildren();
     if (children != null) {
      for (Node node : getChildren()) {
        if (node instanceof ASTNode) {
        } else {
    return sb.toString();
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