OciServerHandle.cs :  » 2.6.4-mono-.net-core » System.Data » System » Data » OracleClient » Oci » C# / CSharp Open Source

// 
// OciServerHandle.cs 
//  
// Part of managed C#/.NET library System.Data.OracleClient.dll
//
// Part of the Mono class libraries at
// mcs/class/System.Data.OracleClient/System.Data.OracleClient.Oci
//
// Assembly: System.Data.OracleClient.dll
// Namespace: System.Data.OracleClient.Oci
// 
// Author: 
//     Tim Coleman <tim@timcoleman.com>
//         
// Copyright (C) Tim Coleman, 2003
// 

using System;
using System.Runtime.InteropServices;

namespace System.Data.OracleClient.Oci{
  internal sealed class OciServerHandle : OciHandle, IDisposable
  {
    #region Fields

    bool disposed = false;
    bool attached = false;
    OciErrorHandle errorHandle;

    #endregion // Fields

    #region Constructors

    public OciServerHandle (OciHandle parent, IntPtr newHandle)
      : base (OciHandleType.Server, parent, newHandle)
    {
    }

    #endregion // Constructors

    #region Methods

    public bool Attach (string tnsname, OciErrorHandle error)
    {
      errorHandle = error;

      int status = OciCalls.OCIServerAttach (this, error, tnsname, tnsname.Length, 0);

      if (status != 0) {
        OciErrorInfo info = errorHandle.HandleError ();
        throw new OracleException (info.ErrorCode, info.ErrorMessage);
      }

      attached = true;
      return attached;
    }

    public void Detach (OciErrorHandle error)
    {
      if (!attached) 
        return;

      int status = OciCalls.OCIServerDetach (this, error, 0);

      if (status != 0) {
        OciErrorInfo info = errorHandle.HandleError ();
        throw new OracleException (info.ErrorCode, info.ErrorMessage);
      }

      attached = false;
    }

    protected override void Dispose (bool disposing)
    {
      if (!disposed) {
        try {
          //Detach (errorHandle);
          disposed = true;
        } finally {
          base.Dispose (disposing);
        }
      }
    }

    #endregion // Methods
  }
}