sqlServer (InternalInterface)

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--[ License ] -----------------------------------------------------------

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  as published by the Free Software Foundation; either version 3
  of the License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

  You may also access the licence here: http://www.gnu.org/licenses/gpl.html

 ------------------------------------------------------------------------
  Copyright © 2009-11 Gomez & Associates
/************************************************************************/

using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;

namespace sqlServer
{
    public partial class DataProvider
    {
        internal enum reqType : int
        {
            None   =  0, // dummy request
            Insert =  1, // Insert statement
            Delete =  2, // Delete statement
            Proc   =  3, // Procedure
            Select =  4, // Select statement
            Update =  5, // Update statement
            ProcNR =  6, // Procedure with no return.
            Scalar =  7, // Execute scalar.
            NQuery =  8, // General non-query.
            Open   =  9, // Open request.
            Close  = 10, // Close request.
            BadReq = 11  // Watermark
        }

        private delegate object execMethod(string sql, Hashtable args);

        Hashtable methods = new Hashtable();

        private void initDelegateTable()
        {
            methods.Add(reqType.Insert, new execMethod(execInsert));
            methods.Add(reqType.Delete, new execMethod(execDelete));
            methods.Add(reqType.Proc,   new execMethod(execProc));
            methods.Add(reqType.Select, new execMethod(execSelect));
            methods.Add(reqType.Update, new execMethod(execUpdate));
            methods.Add(reqType.ProcNR, new execMethod(execProcNR));
            methods.Add(reqType.Scalar, new execMethod(execScalar));
            methods.Add(reqType.NQuery, new execMethod(execNonQuery));
            methods.Add(reqType.Open,   new execMethod(execOpen));
            methods.Add(reqType.Close,  new execMethod(execClose));
        }
    }
}