mcs/class/IBM.Data.DB2/IBM.Data.DB2/DB2ParameterCollection.cs

   1
   2 //
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   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
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  21 //
  22 using System;\r
  23 using System.Data;\r
  24 using System.Collections;\r
  25 using System.Globalization;\r
  26 \r
  27 \r
  28 namespace IBM.Data.DB2\r
  29 {\r
  30 \r
  31         public class DB2ParameterCollection : ArrayList, IDataParameterCollection\r
  32         {\r
  33                 IntPtr hwndStmt = IntPtr.Zero;\r
  34                 \r
  35                 internal IntPtr HwndStmt\r
  36                 {\r
  37                         set\r
  38                         {\r
  39                                 hwndStmt = value;\r
  40                         }\r
  41                 }\r
  42                 public new DB2Parameter this[int index]\r
  43                 {\r
  44                         get \r
  45                         {\r
  46                                 return (DB2Parameter)base[index];\r
  47                         }\r
  48                         set\r
  49                         {\r
  50                                 base[index] = value;\r
  51                         }\r
  52                 }\r
  53                 public DB2Parameter this[string index]\r
  54                 {\r
  55                         get \r
  56                         {\r
  57                                 return (DB2Parameter)base[IndexOf(index)];\r
  58                         }\r
  59                         set\r
  60                         {\r
  61                                 base[IndexOf(index)] = value;\r
  62                         }\r
  63                 }\r
  64                 object IDataParameterCollection.this[string index]\r
  65                 {\r
  66                         get \r
  67                         {\r
  68                                 return this[IndexOf(index)];\r
  69                         }\r
  70                         set\r
  71                         {\r
  72                                 this[IndexOf(index)] = (DB2Parameter)value;\r
  73                         }\r
  74                 }\r
  75                 public bool Contains(string paramName)\r
  76                 {\r
  77                         return(-1 != IndexOf(paramName));\r
  78                 }\r
  79 \r
  80                 public int IndexOf(string paramName)\r
  81                 {\r
  82                         int index = 0;\r
  83                         for(index = 0; index < Count; index++) \r
  84                         {\r
  85                                 if (0 == _cultureAwareCompare(((DB2Parameter)this[index]).ParameterName, paramName))\r
  86                                 {\r
  87                                         return index;\r
  88                                 }\r
  89                         }\r
  90                         return -1;\r
  91                 }\r
  92 \r
  93                 public void RemoveAt(string paramName)\r
  94                 {\r
  95                         RemoveAt(IndexOf(paramName));\r
  96                 }\r
  97 \r
  98                 public override int Add(object obj)\r
  99                 {\r
 100                         DB2Parameter value = (DB2Parameter)obj;\r
 101                         if(value.ParameterName == null)\r
 102                                 throw new ArgumentException("parameter must be named");\r
 103                         if(IndexOf(value.ParameterName) >= 0)\r
 104                                 throw new ArgumentException("parameter name is already in collection");\r
 105                         return base.Add(value);\r
 106                 }\r
 107 \r
 108                 public DB2Parameter Add(DB2Parameter value)\r
 109                 {\r
 110                         if(value.ParameterName == null)\r
 111                                 throw new ArgumentException("parameter must be named");\r
 112                         if(IndexOf(value.ParameterName) >= 0)\r
 113                                 throw new ArgumentException("parameter name is already in collection");\r
 114                         base.Add(value);\r
 115                         return value;\r
 116                 }\r
 117 \r
 118                 public DB2Parameter Add(string paramName, DB2Type type)\r
 119                 {\r
 120                         return Add(new DB2Parameter(paramName, type));\r
 121                 }\r
 122 \r
 123                 public DB2Parameter Add(string paramName, object value)\r
 124                 {\r
 125                         return Add(new DB2Parameter(paramName, value));\r
 126                 }\r
 127 \r
 128                 public DB2Parameter Add(string paramName, DB2Type dbType, int size)\r
 129                 {\r
 130                         return Add(new DB2Parameter(paramName, dbType, size));\r
 131                 }\r
 132 \r
 133                 public DB2Parameter Add(string paramName, DB2Type dbType, int size, string sourceColumn)\r
 134                 {\r
 135                         return Add(new DB2Parameter(paramName, dbType, size, sourceColumn));\r
 136                 }\r
 137 \r
 138                 private int _cultureAwareCompare(string strA, string strB)\r
 139                 {\r
 140                         return CultureInfo.CurrentCulture.CompareInfo.Compare(strA, strB, CompareOptions.IgnoreKanaType | CompareOptions.IgnoreWidth | CompareOptions.IgnoreCase);\r
 141                 }\r
 142                 \r
 143                 internal void GetOutValues()\r
 144                 {\r
 145                         foreach(DB2Parameter param in this)\r
 146                         {\r
 147                                 if(ParameterDirection.Output == param.Direction || ParameterDirection.InputOutput == param.Direction)\r
 148                                 {\r
 149                                         param.GetOutValue();\r
 150                                         //Console.WriteLine(param.ParameterName);\r
 151                                 }\r
 152                         }\r
 153                 }\r
 154         }\r
 155 }\r
 156 \r