LLUUIDUserType.cs 3.3 KB

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  1. /*
  2. * Copyright (c) Contributors, http://opensimulator.org/
  3. * See CONTRIBUTORS.TXT for a full list of copyright holders.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions are met:
  7. * * Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * * Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. * * Neither the name of the OpenSim Project nor the
  13. * names of its contributors may be used to endorse or promote products
  14. * derived from this software without specific prior written permission.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
  17. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19. * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
  20. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  21. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  23. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  25. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. */
  27. using System;
  28. using System.Data;
  29. using libsecondlife;
  30. using NHibernate;
  31. using NHibernate.SqlTypes;
  32. using NHibernate.UserTypes;
  33. namespace OpenSim.Data.NHibernate
  34. {
  35. [Serializable]
  36. public class LLUUIDUserType: IUserType
  37. {
  38. public object Assemble(object cached, object owner)
  39. {
  40. return cached;
  41. }
  42. bool IUserType.Equals(object uuid1, object uuid2)
  43. {
  44. return uuid1.Equals(uuid2);
  45. }
  46. public object DeepCopy(object uuid)
  47. {
  48. return uuid;
  49. }
  50. public object Disassemble(object uuid)
  51. {
  52. return uuid;
  53. }
  54. public int GetHashCode(object uuid)
  55. {
  56. return (uuid == null) ? 0 : uuid.GetHashCode();
  57. }
  58. public bool IsMutable
  59. {
  60. get { return false; }
  61. }
  62. public object NullSafeGet(IDataReader rs, string[] names, object owner)
  63. {
  64. object uuid = null;
  65. int ord = rs.GetOrdinal(names[0]);
  66. if (!rs.IsDBNull(ord))
  67. {
  68. string first = (string)rs.GetString(ord);
  69. uuid = new LLUUID(first);
  70. }
  71. return uuid;
  72. }
  73. public void NullSafeSet(IDbCommand cmd, object obj, int index)
  74. {
  75. LLUUID uuid = (LLUUID)obj;
  76. ((IDataParameter)cmd.Parameters[index]).Value = uuid.ToString();
  77. }
  78. public object Replace(object original, object target, object owner)
  79. {
  80. return original;
  81. }
  82. public Type ReturnedType
  83. {
  84. get { return typeof(LLUUID); }
  85. }
  86. public SqlType[] SqlTypes
  87. {
  88. get { return new SqlType [] { NHibernateUtil.String.SqlType }; }
  89. }
  90. }
  91. }