package org.apache.helix.tools;
   
   /*
    * 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
   *
   *   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.
   */
  
  import java.util.List;
  import java.util.Map;
  
  import org.apache.helix.ZNRecord;
  
  
  public class ZnodeValue
  {
    public String _singleValue;
    public List<String> _listValue;
    public Map<String, String> _mapValue;
    public ZNRecord _znodeValue;
    
    public ZnodeValue()
    {
    }
    
    public ZnodeValue(String value)
    {
      _singleValue = value;
    }
    
    public ZnodeValue(List<String> value)
    {
      _listValue = value;
    }
    
    public ZnodeValue(Map<String, String> value)
    {
      _mapValue = value;
    }
    
    public ZnodeValue(ZNRecord value)
    {
      _znodeValue = value;
    }
    
    @Override
    public String toString()
    {
      if (_singleValue != null)
      {
        return _singleValue;
      }
      else if (_listValue != null)
      {
        return _listValue.toString();
      }
      else if (_mapValue != null)
      {
        return _mapValue.toString();
      }
      else if (_znodeValue != null)
      {
        return _znodeValue.toString();
      }
      
      return "null";
    }
  }