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

   1 //
   2 // OciServerHandle.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.Runtime.InteropServices;
  20
  21 namespace System.Data.OracleClient.Oci {
  22         internal sealed class OciServerHandle : OciHandle, IDisposable
  23         {
  24                 #region Fields
  25
  26                 bool disposed = false;
  27                 bool attached = false;
  28                 OciErrorHandle errorHandle;
  29
  30                 #endregion // Fields
  31
  32                 #region Constructors
  33
  34                 public OciServerHandle (OciHandle parent, IntPtr newHandle)
  35                         : base (OciHandleType.Server, parent, newHandle)
  36                 {
  37                 }
  38
  39                 #endregion // Constructors
  40
  41                 #region Methods
  42
  43                 public bool Attach (string tnsname, OciErrorHandle error)
  44                 {
  45                         errorHandle = error;
  46
  47                         int status = OciCalls.OCIServerAttach (this, error, tnsname, tnsname.Length, 0);
  48
  49                         if (status != 0) {
  50                                 OciErrorInfo info = errorHandle.HandleError ();
  51                                 throw new OracleException (info.ErrorCode, info.ErrorMessage);
  52                         }
  53
  54                         attached = true;
  55                         return attached;
  56                 }
  57
  58                 public void Detach (OciErrorHandle error)
  59                 {
  60                         if (!attached)
  61                                 return;
  62
  63                         int status = OciCalls.OCIServerDetach (this, error, 0);
  64
  65                         if (status != 0) {
  66                                 OciErrorInfo info = errorHandle.HandleError ();
  67                                 throw new OracleException (info.ErrorCode, info.ErrorMessage);
  68                         }
  69
  70                         attached = false;
  71                 }
  72
  73                 protected override void Dispose (bool disposing)
  74                 {
  75                         if (!disposed) {
  76                                 try {
  77                                         //Detach (errorHandle);
  78                                         disposed = true;
  79                                 } finally {
  80                                         base.Dispose (disposing);
  81                                 }
  82                         }
  83                 }
  84
  85                 #endregion // Methods
  86         }
  87 }