mcs/class/Mono.Data/Provider.cs

   1 //\r
   2 // Mono.Data.Provider\r
   3 //\r
   4 // Authors:\r
   5 //   Brian Ritchie (brianlritchie@hotmail.com) \r
   6 //  \r
   7 //\r
   8 // Copyright (C) Brian Ritchie, 2002\r
   9 // \r
  10 //\r
  11 using System;\r
  12 using System.Data;\r
  13 using System.Reflection;\r
  14 \r
  15 namespace Mono.Data\r
  16 {\r
  17         public class Provider\r
  18         {\r
  19                 private string name = null;\r
  20                 private string connectionTypeName;\r
  21                 private string adapterTypeName;\r
  22                 private string commandTypeName;\r
  23                 private Type connectionType;\r
  24                 private Type adapterType;\r
  25                 private Type commandType;\r
  26                 private string assemblyName;\r
  27                 private string description;\r
  28       \r
  29                 public Provider(string _name, string _connection, \r
  30                         string _dataadapter, string _command, string _assembly,\r
  31                         string _description)\r
  32                 {\r
  33                         name = _name;\r
  34                         connectionTypeName = _connection;\r
  35                         adapterTypeName = _dataadapter;\r
  36                         assemblyName = _assembly;\r
  37                         commandTypeName = _command;\r
  38                         description = _description;\r
  39                 }\r
  40 \r
  41                 public Provider(string _name, Type _connection, Type _dataadapter, Type _command,\r
  42                         string _description)\r
  43                 {\r
  44                         name = _name;\r
  45                         connectionTypeName = _connection.FullName;\r
  46                         adapterTypeName = _dataadapter.FullName;\r
  47                         commandTypeName = _command.FullName;\r
  48                         connectionType = _connection;\r
  49                         adapterType = _dataadapter;\r
  50                         commandType = _command;\r
  51                         description = _description;\r
  52                 }\r
  53 \r
  54                 public string Name\r
  55                 {\r
  56                         get {return name;}\r
  57                 }\r
  58 \r
  59                 public string Description\r
  60                 {\r
  61                         get {return description;}\r
  62                 }\r
  63 \r
  64                 public Type ConnectionType\r
  65                 {\r
  66                         get \r
  67                         {\r
  68                                 if (connectionType==null)\r
  69                                 {\r
  70                                         connectionType=Type.GetType(connectionTypeName+","+assemblyName);\r
  71                                 }\r
  72                                 return connectionType;\r
  73                         }\r
  74                 }\r
  75 \r
  76                 public Type DataAdapterType\r
  77                 {\r
  78                         get \r
  79                         {\r
  80                                 if (adapterType==null)\r
  81                                 {\r
  82                                         adapterType=Type.GetType(adapterTypeName+","+assemblyName);\r
  83                                 }\r
  84                                 return adapterType;\r
  85                         }\r
  86                 }\r
  87 \r
  88                 public Type CommandType\r
  89                 {\r
  90                         get \r
  91                         {\r
  92                                 if (commandType==null)\r
  93                                 {\r
  94                                         commandType=Type.GetType(commandTypeName+","+assemblyName);\r
  95                                 }\r
  96                                 return commandType;\r
  97                         }\r
  98                 }\r
  99 \r
 100                 public IDbConnection CreateConnection()\r
 101                 {\r
 102                         return (IDbConnection) Activator.CreateInstance(ConnectionType);\r
 103                 }\r
 104 \r
 105                 public IDbDataAdapter CreateDataAdapter()\r
 106                 {\r
 107                         return (IDbDataAdapter) Activator.CreateInstance(DataAdapterType);\r
 108                 }\r
 109 \r
 110                 public IDbCommand CreateCommand()\r
 111                 {\r
 112                         return (IDbCommand) Activator.CreateInstance(CommandType);\r
 113                 }\r
 114         }\r
 115 }\r