mcs/class/IBM.Data.DB2/IBM.Data.DB2/DB2DataAdapter.cs

   1
   2 //
   3 // Permission is hereby granted, free of charge, to any person obtaining
   4 // a copy of this software and associated documentation files (the
   5 // "Software"), to deal in the Software without restriction, including
   6 // without limitation the rights to use, copy, modify, merge, publish,
   7 // distribute, sublicense, and/or sell copies of the Software, and to
   8 // permit persons to whom the Software is furnished to do so, subject to
   9 // the following conditions:
  10 //
  11 // The above copyright notice and this permission notice shall be
  12 // included in all copies or substantial portions of the Software.
  13 //
  14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  15 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  17 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  18 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  19 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  20 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  21 //
  22 using System;
  23 using System.ComponentModel;
  24 using System.Data;
  25 using System.Data.Common;
  26
  27 namespace IBM.Data.DB2 {
  28
  29         public sealed class DB2DataAdapter : DbDataAdapter, IDbDataAdapter
  30         {
  31                 #region Fields
  32
  33                 bool disposed = false;
  34                 DB2Command deleteCommand;
  35                 DB2Command insertCommand;
  36                 DB2Command selectCommand;
  37                 DB2Command updateCommand;
  38
  39                 #endregion
  40
  41                 #region Constructors
  42
  43                 public DB2DataAdapter ()
  44                         : this (new DB2Command ())
  45                 {
  46                 }
  47
  48                 public DB2DataAdapter (DB2Command selectCommand)
  49                 {
  50                         DeleteCommand = null;
  51                         InsertCommand = null;
  52                         SelectCommand = selectCommand;
  53                         UpdateCommand = null;
  54                 }
  55
  56                 public DB2DataAdapter (string selectCommandText, DB2Connection selectConnection)
  57                         : this (new DB2Command (selectCommandText, selectConnection))
  58                 {
  59                 }
  60
  61                 public DB2DataAdapter (string selectCommandText, string selectConnectionString)
  62                         : this (selectCommandText, new DB2Connection (selectConnectionString))
  63                 {
  64                 }
  65
  66                 #endregion
  67
  68                 #region Properties
  69
  70
  71                 public DB2Command DeleteCommand {
  72                         get { return deleteCommand; }
  73                         set { deleteCommand = value; }
  74                 }
  75
  76
  77                 public DB2Command InsertCommand {
  78                         get { return insertCommand; }
  79                         set { insertCommand = value; }
  80                 }
  81
  82
  83                 public DB2Command SelectCommand {
  84                         get { return selectCommand; }
  85                         set { selectCommand = value; }
  86                 }
  87
  88
  89                 public DB2Command UpdateCommand {
  90                         get { return updateCommand; }
  91                         set { updateCommand = value; }
  92                 }
  93
  94                 IDbCommand IDbDataAdapter.DeleteCommand {
  95                         get { return DeleteCommand; }
  96                         set {
  97                                 if (!(value is DB2Command))
  98                                         throw new ArgumentException ();
  99                                 DeleteCommand = (DB2Command)value;
 100                         }
 101                 }
 102
 103                 IDbCommand IDbDataAdapter.InsertCommand {
 104                         get { return InsertCommand; }
 105                         set {
 106                                 if (!(value is DB2Command))
 107                                         throw new ArgumentException ();
 108                                 InsertCommand = (DB2Command)value;
 109                         }
 110                 }
 111
 112                 IDbCommand IDbDataAdapter.SelectCommand {
 113                         get { return SelectCommand; }
 114                         set {
 115                                 if (!(value is DB2Command))
 116                                         throw new ArgumentException ();
 117                                 SelectCommand = (DB2Command)value;
 118                         }
 119                 }
 120
 121                 IDbCommand IDbDataAdapter.UpdateCommand {
 122                         get { return UpdateCommand; }
 123                         set {
 124                                 if (!(value is DB2Command))
 125                                         throw new ArgumentException ();
 126                                 UpdateCommand = (DB2Command)value;
 127                         }
 128                 }
 129
 130
 131                 ITableMappingCollection IDataAdapter.TableMappings {
 132                         get { return TableMappings; }
 133                 }
 134
 135                 #endregion
 136
 137                 #region Methods
 138
 139                 protected override RowUpdatedEventArgs CreateRowUpdatedEvent (DataRow dataRow, IDbCommand command, StatementType statementType, DataTableMapping tableMapping)
 140                 {
 141                         return new DB2RowUpdatedEventArgs (dataRow, command, statementType, tableMapping);
 142                 }
 143
 144
 145                 protected override RowUpdatingEventArgs CreateRowUpdatingEvent (DataRow dataRow, IDbCommand command, StatementType statementType, DataTableMapping tableMapping)
 146                 {
 147                         return new DB2RowUpdatingEventArgs (dataRow, command, statementType, tableMapping);
 148                 }
 149
 150                 protected override void Dispose (bool disposing)
 151                 {
 152                         if (!disposed) {
 153                                 if (disposing) {
 154
 155                                 }
 156
 157                                 disposed = true;
 158                         }
 159                 }
 160
 161                 protected override void OnRowUpdated (RowUpdatedEventArgs value)
 162                 {
 163                         if (RowUpdated != null)
 164                                 RowUpdated (this, (DB2RowUpdatedEventArgs) value);
 165                 }
 166
 167                 protected override void OnRowUpdating (RowUpdatingEventArgs value)
 168                 {
 169                         if (RowUpdating != null)
 170                                 RowUpdating (this, (DB2RowUpdatingEventArgs) value);
 171                 }
 172
 173                 #endregion
 174
 175                 #region Events and Delegates
 176
 177                 public event DB2RowUpdatedEventHandler RowUpdated;
 178
 179                 public event DB2RowUpdatingEventHandler RowUpdating;
 180
 181                 #endregion
 182
 183         }
 184 }