packetrowresult.java

数据仓库工具

//                                                                            
// Copyright 1998 CDS Networks, Inc., Medford Oregon                          
//                                                                            
// All rights reserved.                                                       
//                                                                            
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//      This product includes software developed by CDS Networks, Inc.        
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package com.internetcds.jdbc.tds;


import java.util.Vector;


/**
 * encapsulate the information from one row of a result set.
 *
 * @author Craig Spannring
 */
public class PacketRowResult extends PacketResult
{
   public static final String cvsVersion = "$Id: PacketRowResult.java,v 1.1 2003/04/29 18:07:50 sinisa Exp $";


   Vector   row         = null;
   int      columnCount = -1;


   public PacketRowResult(
      int columnCount_)
   {
      super(TdsDefinitions.TDS_ROW_TOKEN);

      columnCount = columnCount_;
      row         = new Vector();
      row.setSize(columnCount_);
   }

   
   /**
    * Sets the component at the specified index of this vector 
    * to be the specified object. The previous component at that
    * position is discarded. 
    *
    * <UL>Note-<\UL> Unlike the vector class this class starts 
    * the index with 1, not 0.
    *
    * @param obj    The object to store
    * @param index  Index to store the element at.  First element is at
    *               index 1
    */
   public void setElementAt(
      Object   obj,
      int      index)
      throws TdsException
   {
      if (index<1 || index>columnCount)
      {
         throw new TdsException("Bad index " + index);
      }

      row.setElementAt(obj, index-1);
   }



   /**
    * get an element at the specified index
    * <p>
    * <UL>Note-<\UL> Unlike the vector class this starts 
    * the index with 1, not 0.
    *
    * @param index  Index to get the element from.  First element is at
    *               index 1
    */
   public Object getElementAt(
      int      index)
      throws TdsException
   {
      if (index<1 || index>columnCount)
      {
         throw new TdsException("Bad index " + index);
      }

      return row.elementAt(index-1);
   }


}