mcs/class/Mono.Data.TdsClient/Mono.Data.TdsTypes/TdsDateTime.cs

   1 //
   2 // Mono.Data.TdsTypes.TdsDateTime
   3 //
   4 // Author:
   5 //   Tim Coleman <tim@timcoleman.com>
   6 //
   7 // (C) Copyright Tim Coleman, 2002
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using Mono.Data.TdsClient;
  32 using System;
  33 using System.Data.SqlTypes;
  34 using System.Globalization;
  35
  36 namespace Mono.Data.TdsTypes {
  37         public struct TdsDateTime : INullable, IComparable
  38         {
  39                 #region Fields
  40                 private DateTime value;
  41                 private bool notNull;
  42
  43                 public static readonly TdsDateTime MaxValue = new TdsDateTime (9999,12,31);
  44                 public static readonly TdsDateTime MinValue = new TdsDateTime (1753,1,1);
  45                 public static readonly TdsDateTime Null;
  46                 public static readonly int SQLTicksPerHour;
  47                 public static readonly int SQLTicksPerMinute;
  48                 public static readonly int SQLTicksPerSecond;
  49
  50                 #endregion
  51
  52                 #region Constructors
  53
  54                 public TdsDateTime (DateTime value)
  55                 {
  56                         this.value = value;
  57                         notNull = true;
  58                 }
  59
  60                 [MonoTODO]
  61                 public TdsDateTime (int dayTicks, int timeTicks)
  62                 {
  63                         throw new NotImplementedException ();
  64                 }
  65
  66                 public TdsDateTime (int year, int month, int day)
  67                 {
  68                         this.value = new DateTime (year, month, day);
  69                         notNull = true;
  70                 }
  71
  72                 public TdsDateTime (int year, int month, int day, int hour, int minute, int second)
  73                 {
  74                         this.value = new DateTime (year, month, day, hour, minute, second);
  75                         notNull = true;
  76                 }
  77
  78                 [MonoTODO]
  79                 public TdsDateTime (int year, int month, int day, int hour, int minute, int second, double millisecond)
  80                 {
  81                         throw new NotImplementedException ();
  82                 }
  83
  84                 [MonoTODO]
  85                 public TdsDateTime (int year, int month, int day, int hour, int minute, int second, int bilisecond)
  86                 {
  87                         throw new NotImplementedException ();
  88                 }
  89
  90                 #endregion
  91
  92                 #region Properties
  93
  94                 [MonoTODO]
  95                 public int DayTicks {
  96                         get { throw new NotImplementedException (); }
  97                 }
  98
  99                 public bool IsNull {
 100                         get { return !notNull; }
 101                 }
 102
 103                 [MonoTODO]
 104                 public int TimeTicks {
 105                         get { throw new NotImplementedException (); }
 106                 }
 107
 108                 public DateTime Value {
 109                         get {
 110                                 if (this.IsNull)
 111                                         throw new TdsNullValueException ("The property contains Null.");
 112                                 else
 113                                         return value;
 114                         }
 115                 }
 116
 117                 #endregion
 118
 119                 #region Methods
 120
 121                 public int CompareTo (object value)
 122                 {
 123                         if (value == null)
 124                                 return 1;
 125                         else if (!(value is TdsDateTime))
 126                                 throw new ArgumentException (Locale.GetText ("Value is not a System.Data.TdsTypes.TdsDateTime"));
 127                         else if (((TdsDateTime)value).IsNull)
 128                                 return 1;
 129                         else
 130                                 return this.value.CompareTo (((TdsDateTime)value).Value);
 131                 }
 132
 133                 public override bool Equals (object value)
 134                 {
 135                         if (!(value is TdsDateTime))
 136                                 return false;
 137                         else
 138                                 return (bool) (this == (TdsDateTime)value);
 139                 }
 140
 141                 public static TdsBoolean Equals (TdsDateTime x, TdsDateTime y)
 142                 {
 143                         return (x == y);
 144                 }
 145
 146                 [MonoTODO]
 147                 public override int GetHashCode ()
 148                 {
 149                         return 42;
 150                 }
 151
 152                 public static TdsBoolean GreaterThan (TdsDateTime x, TdsDateTime y)
 153                 {
 154                         return (x > y);
 155                 }
 156
 157                 public static TdsBoolean GreaterThanOrEqual (TdsDateTime x, TdsDateTime y)
 158                 {
 159                         return (x >= y);
 160                 }
 161
 162                 public static TdsBoolean LessThan (TdsDateTime x, TdsDateTime y)
 163                 {
 164                         return (x < y);
 165                 }
 166
 167                 public static TdsBoolean LessThanOrEqual (TdsDateTime x, TdsDateTime y)
 168                 {
 169                         return (x <= y);
 170                 }
 171
 172                 public static TdsBoolean NotEquals (TdsDateTime x, TdsDateTime y)
 173                 {
 174                         return (x != y);
 175                 }
 176
 177                 [MonoTODO]
 178                 public static TdsDateTime Parse (string s)
 179                 {
 180                         throw new NotImplementedException ();
 181                 }
 182
 183                 public TdsString ToTdsString ()
 184                 {
 185                         return ((TdsString)this);
 186                 }
 187
 188                 public override string ToString ()
 189                 {
 190                         if (this.IsNull)
 191                                 return String.Empty;
 192                         else
 193                                 return value.ToString ();
 194                 }
 195
 196                 [MonoTODO]
 197                 public static TdsDateTime operator + (TdsDateTime x, TimeSpan t)
 198                 {
 199                         throw new NotImplementedException ();
 200                 }
 201
 202                 public static TdsBoolean operator == (TdsDateTime x, TdsDateTime y)
 203                 {
 204                         if (x.IsNull || y.IsNull)
 205                                 return TdsBoolean.Null;
 206                         else
 207                                 return new TdsBoolean (x.Value == y.Value);
 208                 }
 209
 210                 public static TdsBoolean operator > (TdsDateTime x, TdsDateTime y)
 211                 {
 212                         if (x.IsNull || y.IsNull)
 213                                 return TdsBoolean.Null;
 214                         else
 215                                 return new TdsBoolean (x.Value > y.Value);
 216                 }
 217
 218                 public static TdsBoolean operator >= (TdsDateTime x, TdsDateTime y)
 219                 {
 220                         if (x.IsNull || y.IsNull)
 221                                 return TdsBoolean.Null;
 222                         else
 223                                 return new TdsBoolean (x.Value >= y.Value);
 224                 }
 225
 226                 public static TdsBoolean operator != (TdsDateTime x, TdsDateTime y)
 227                 {
 228                         if (x.IsNull || y.IsNull)
 229                                 return TdsBoolean.Null;
 230                         else
 231                                 return new TdsBoolean (!(x.Value == y.Value));
 232                 }
 233
 234                 public static TdsBoolean operator < (TdsDateTime x, TdsDateTime y)
 235                 {
 236                         if (x.IsNull || y.IsNull)
 237                                 return TdsBoolean.Null;
 238                         else
 239                                 return new TdsBoolean (x.Value < y.Value);
 240                 }
 241
 242                 public static TdsBoolean operator <= (TdsDateTime x, TdsDateTime y)
 243                 {
 244                         if (x.IsNull || y.IsNull)
 245                                 return TdsBoolean.Null;
 246                         else
 247                                 return new TdsBoolean (x.Value <= y.Value);
 248                 }
 249
 250                 [MonoTODO]
 251                 public static TdsDateTime operator - (TdsDateTime x, TimeSpan t)
 252                 {
 253                         throw new NotImplementedException ();
 254                 }
 255
 256                 public static explicit operator DateTime (TdsDateTime x)
 257                 {
 258                         return x.Value;
 259                 }
 260
 261                 [MonoTODO]
 262                 public static explicit operator TdsDateTime (TdsString x)
 263                 {
 264                         throw new NotImplementedException();
 265                 }
 266
 267                 public static implicit operator TdsDateTime (DateTime x)
 268                 {
 269                         return new TdsDateTime (x);
 270                 }
 271
 272                 #endregion
 273         }
 274 }
 275