AbstractDbCommandBuilder.cs 2.7 KB

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  1. //
  2. // System.Data.ProviderBase.AbstractDbCommand
  3. //
  4. // Authors:
  5. // Konstantin Triger <[email protected]>
  6. //
  7. // (C) 2006 Mainsoft Corporation (http://www.mainsoft.com)
  8. //
  9. //
  10. // Permission is hereby granted, free of charge, to any person obtaining
  11. // a copy of this software and associated documentation files (the
  12. // "Software"), to deal in the Software without restriction, including
  13. // without limitation the rights to use, copy, modify, merge, publish,
  14. // distribute, sublicense, and/or sell copies of the Software, and to
  15. // permit persons to whom the Software is furnished to do so, subject to
  16. // the following conditions:
  17. //
  18. // The above copyright notice and this permission notice shall be
  19. // included in all copies or substantial portions of the Software.
  20. //
  21. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22. // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23. // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24. // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25. // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26. // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27. // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28. //
  29. using System;
  30. using System.Collections;
  31. using System.ComponentModel;
  32. using System.Data;
  33. using System.Data.Common;
  34. using System.Text;
  35. namespace System.Data.ProviderBase {
  36. public abstract class AbstractDbCommandBuilder : DbCommandBuilder {
  37. protected override void ApplyParameterInfo(DbParameter parameter, DataRow row, StatementType statementType, bool whereClause) {
  38. throw new NotImplementedException();
  39. }
  40. protected override string GetParameterName(int parameterOrdinal) {
  41. throw new NotImplementedException();
  42. }
  43. protected override string GetParameterName(String parameterName) {
  44. throw new NotImplementedException();
  45. }
  46. protected override string GetParameterPlaceholder(int parameterOrdinal) {
  47. return "?";
  48. }
  49. protected override void SetRowUpdatingHandler(DbDataAdapter adapter) {
  50. throw new NotImplementedException();
  51. }
  52. protected static void DeriveParameters (AbstractDbCommand command) {
  53. if (command.Connection.State != ConnectionState.Open) {
  54. throw new InvalidOperationException("DeriveParameters requires an open and available Connection. The connection's current state is Closed.");
  55. }
  56. if(command.CommandType != CommandType.StoredProcedure) {
  57. throw ExceptionHelper.DeriveParametersNotSupported(command.GetType(),command.CommandType);
  58. }
  59. ArrayList parameters = command.DeriveParameters(command.CommandText, true);
  60. command.Parameters.Clear();
  61. foreach (AbstractDbParameter param in parameters) {
  62. command.Parameters.Add(param.Clone());
  63. }
  64. }
  65. }
  66. }