packetendtokenresult.java

Java写的TDS协议(JDBC/ODBC)实现

//                                                                            
// Copyright 1998 CDS Networks, Inc., Medford Oregon                          
//                                                                            
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package net.sourceforge.jtds.jdbc;


public class PacketEndTokenResult extends PacketResult
{
   public static final String cvsVersion = "$Id: PacketEndTokenResult.java,v 1.1 2002/10/14 10:48:59 alin_sinpalean Exp $";


   private byte    status;
   private int     rowCount;
   private int     retStat;
   private boolean isRetStatSet;

   public PacketEndTokenResult(
      byte   type,
      byte   _status,
      int    _rowCount)
      throws TdsConfused
   {
      super(type);
      /*
      if(type == TdsDefinitions.TDS_DONEINPROC)
      {
         // NOTE-  TDS_DONEINPROC is not a end marker.
         throw new TdsConfused("Internal error-\nTDS_DONEINPROC is not an end of packet.");
      }
       */
      status       = _status;
      rowCount     = _rowCount;
      isRetStatSet = false;
   }

   public int getRowCount()
   {
      return rowCount;
   }

   public boolean moreResults()
   {
      return (status & 0x01) != 0;
   }

   public boolean wasCanceled()
   {
      return (status & 0x20) != 0;
   }

   public boolean haveRetStat()
   {
      return isRetStatSet;
   }

   public void setRetStat(int value)
   {
      retStat = value;
      isRetStatSet = true;
   }
   
   public int getRetStat()
   {
      return retStat;
   }

   public String toString()
   {
      return ""
         + "token type- " + Integer.toHexString(getPacketType() & 0xff)
         + ", rowCount- " + getRowCount()
         + ", moreResults- " + moreResults()
         + ", wasCanceled- " + wasCanceled()
         + ", " + (haveRetStat() 
                   ? ("retstat- " + getRetStat()) 
                   : "no retstat");
   }
}