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