mcs/class/System.Data.OracleClient/System.Data.OracleClient.Oci/OciRowIdDescriptor.cs

   1 //
   2 // OciRowIdDescriptor.cs
   3 //
   4 // Part of managed C#/.NET library System.Data.OracleClient.dll
   5 //
   6 // Part of the Mono class libraries at
   7 // mcs/class/System.Data.OracleClient/System.Data.OracleClient.Oci
   8 //
   9 // Assembly: System.Data.OracleClient.dll
  10 // Namespace: System.Data.OracleClient.Oci
  11 //
  12 // Author:
  13 //     Tim Coleman <tim@timcoleman.com>
  14 //
  15 // Copyright (C) Tim Coleman, 2003
  16 //
  17
  18 using System;
  19 using System.Data.OracleClient;
  20 using System.Runtime.InteropServices;
  21
  22 namespace System.Data.OracleClient.Oci {
  23         internal sealed class OciRowIdDescriptor : OciDescriptorHandle, IDisposable
  24         {
  25                 #region Fields
  26
  27                 bool disposed = false;
  28
  29                 #endregion // Fields
  30
  31                 #region Constructors
  32
  33                 public OciRowIdDescriptor (OciHandle parent, IntPtr newHandle)
  34                         : base (OciHandleType.RowId, parent, newHandle)
  35                 {
  36                 }
  37
  38                 #endregion // Constructors
  39
  40                 #region Methods
  41
  42                 /*
  43                 FIXME: This method only exists in Oracle 9i
  44
  45                 [DllImport ("oci")]
  46                 static extern int OCIRowidToChar (IntPtr rowidDesc,
  47                                                 IntPtr outbfp,
  48                                                 ref int outbflp,
  49                                                 IntPtr errhp);
  50                 */
  51
  52                 protected override void Dispose (bool disposing)
  53                 {
  54                         if (!disposed) {
  55                                 disposed = true;
  56                                 base.Dispose (disposing);
  57                         }
  58                 }
  59
  60                 [MonoTODO ("Find a way to get this with 8 or 9.")]
  61                 public string GetRowId (OciErrorHandle errorHandle)
  62                 {
  63                         string output = String.Empty;
  64                         /*
  65                         int len = 64;
  66                         IntPtr outputPtr = Marshal.AllocHGlobal (len); // FIXME: how big should this be?
  67
  68                         int status = 0;
  69
  70                         status = OCIRowidToChar (this,
  71                                                 outputPtr,
  72                                                 ref len,
  73                                                 errorHandle);
  74
  75                         if (status != 0) {
  76                                 OciErrorInfo info = errorHandle.HandleError ();
  77                                 throw new OracleException (info.ErrorCode, info.ErrorMessage);
  78                         }
  79
  80                         if (outputPtr != IntPtr.Zero && len > 0) {
  81                                 object str = Marshal.PtrToStringAnsi (outputPtr, len);
  82                                 if (str != null)
  83                                         output = String.Copy ((string) str);
  84                         }
  85
  86                         */
  87                         output = "NOT YET SUPPORTED.";
  88
  89                         return output;
  90                 }
  91
  92                 #endregion // Methods
  93         }
  94 }