mcs/class/Mono.Data.SybaseClient/Mono.Data.SybaseTypes/SybaseDateTime.cs

   1 //
   2 // Mono.Data.SybaseTypes.SybaseDateTime
   3 //
   4 // Author:
   5 //   Tim Coleman <tim@timcoleman.com>
   6 //
   7 // (C) Copyright Tim Coleman, 2002
   8 //
   9
  10 using Mono.Data.SybaseClient;
  11 using System;
  12 using System.Data.SqlTypes;
  13 using System.Globalization;
  14
  15 namespace Mono.Data.SybaseTypes {
  16         public struct SybaseDateTime : INullable, IComparable
  17         {
  18                 #region Fields
  19                 private DateTime value;
  20                 private bool notNull;
  21
  22                 public static readonly SybaseDateTime MaxValue = new SybaseDateTime (9999,12,31);
  23                 public static readonly SybaseDateTime MinValue = new SybaseDateTime (1753,1,1);
  24                 public static readonly SybaseDateTime Null;
  25                 public static readonly int SQLTicksPerHour;
  26                 public static readonly int SQLTicksPerMinute;
  27                 public static readonly int SQLTicksPerSecond;
  28
  29                 #endregion
  30
  31                 #region Constructors
  32
  33                 public SybaseDateTime (DateTime value)
  34                 {
  35                         this.value = value;
  36                         notNull = true;
  37                 }
  38
  39                 [MonoTODO]
  40                 public SybaseDateTime (int dayTicks, int timeTicks)
  41                 {
  42                         throw new NotImplementedException ();
  43                 }
  44
  45                 public SybaseDateTime (int year, int month, int day)
  46                 {
  47                         this.value = new DateTime (year, month, day);
  48                         notNull = true;
  49                 }
  50
  51                 public SybaseDateTime (int year, int month, int day, int hour, int minute, int second)
  52                 {
  53                         this.value = new DateTime (year, month, day, hour, minute, second);
  54                         notNull = true;
  55                 }
  56
  57                 [MonoTODO]
  58                 public SybaseDateTime (int year, int month, int day, int hour, int minute, int second, double millisecond)
  59                 {
  60                         throw new NotImplementedException ();
  61                 }
  62
  63                 [MonoTODO]
  64                 public SybaseDateTime (int year, int month, int day, int hour, int minute, int second, int bilisecond)
  65                 {
  66                         throw new NotImplementedException ();
  67                 }
  68
  69                 #endregion
  70
  71                 #region Properties
  72
  73                 [MonoTODO]
  74                 public int DayTicks {
  75                         get { throw new NotImplementedException (); }
  76                 }
  77
  78                 public bool IsNull {
  79                         get { return !notNull; }
  80                 }
  81
  82                 [MonoTODO]
  83                 public int TimeTicks {
  84                         get { throw new NotImplementedException (); }
  85                 }
  86
  87                 public DateTime Value {
  88                         get {
  89                                 if (this.IsNull)
  90                                         throw new SybaseNullValueException ("The property contains Null.");
  91                                 else
  92                                         return value;
  93                         }
  94                 }
  95
  96                 #endregion
  97
  98                 #region Methods
  99
 100                 public int CompareTo (object value)
 101                 {
 102                         if (value == null)
 103                                 return 1;
 104                         else if (!(value is SybaseDateTime))
 105                                 throw new ArgumentException (Locale.GetText ("Value is not a System.Data.SybaseTypes.SybaseDateTime"));
 106                         else if (((SybaseDateTime)value).IsNull)
 107                                 return 1;
 108                         else
 109                                 return this.value.CompareTo (((SybaseDateTime)value).Value);
 110                 }
 111
 112                 public override bool Equals (object value)
 113                 {
 114                         if (!(value is SybaseDateTime))
 115                                 return false;
 116                         else
 117                                 return (bool) (this == (SybaseDateTime)value);
 118                 }
 119
 120                 public static SybaseBoolean Equals (SybaseDateTime x, SybaseDateTime y)
 121                 {
 122                         return (x == y);
 123                 }
 124
 125                 [MonoTODO]
 126                 public override int GetHashCode ()
 127                 {
 128                         return 42;
 129                 }
 130
 131                 public static SybaseBoolean GreaterThan (SybaseDateTime x, SybaseDateTime y)
 132                 {
 133                         return (x > y);
 134                 }
 135
 136                 public static SybaseBoolean GreaterThanOrEqual (SybaseDateTime x, SybaseDateTime y)
 137                 {
 138                         return (x >= y);
 139                 }
 140
 141                 public static SybaseBoolean LessThan (SybaseDateTime x, SybaseDateTime y)
 142                 {
 143                         return (x < y);
 144                 }
 145
 146                 public static SybaseBoolean LessThanOrEqual (SybaseDateTime x, SybaseDateTime y)
 147                 {
 148                         return (x <= y);
 149                 }
 150
 151                 public static SybaseBoolean NotEquals (SybaseDateTime x, SybaseDateTime y)
 152                 {
 153                         return (x != y);
 154                 }
 155
 156                 [MonoTODO]
 157                 public static SybaseDateTime Parse (string s)
 158                 {
 159                         throw new NotImplementedException ();
 160                 }
 161
 162                 public SybaseString ToSybaseString ()
 163                 {
 164                         return ((SybaseString)this);
 165                 }
 166
 167                 public override string ToString ()
 168                 {
 169                         if (this.IsNull)
 170                                 return String.Empty;
 171                         else
 172                                 return value.ToString ();
 173                 }
 174
 175                 [MonoTODO]
 176                 public static SybaseDateTime operator + (SybaseDateTime x, TimeSpan t)
 177                 {
 178                         throw new NotImplementedException ();
 179                 }
 180
 181                 public static SybaseBoolean operator == (SybaseDateTime x, SybaseDateTime y)
 182                 {
 183                         if (x.IsNull || y.IsNull)
 184                                 return SybaseBoolean.Null;
 185                         else
 186                                 return new SybaseBoolean (x.Value == y.Value);
 187                 }
 188
 189                 public static SybaseBoolean operator > (SybaseDateTime x, SybaseDateTime y)
 190                 {
 191                         if (x.IsNull || y.IsNull)
 192                                 return SybaseBoolean.Null;
 193                         else
 194                                 return new SybaseBoolean (x.Value > y.Value);
 195                 }
 196
 197                 public static SybaseBoolean operator >= (SybaseDateTime x, SybaseDateTime y)
 198                 {
 199                         if (x.IsNull || y.IsNull)
 200                                 return SybaseBoolean.Null;
 201                         else
 202                                 return new SybaseBoolean (x.Value >= y.Value);
 203                 }
 204
 205                 public static SybaseBoolean operator != (SybaseDateTime x, SybaseDateTime y)
 206                 {
 207                         if (x.IsNull || y.IsNull)
 208                                 return SybaseBoolean.Null;
 209                         else
 210                                 return new SybaseBoolean (!(x.Value == y.Value));
 211                 }
 212
 213                 public static SybaseBoolean operator < (SybaseDateTime x, SybaseDateTime y)
 214                 {
 215                         if (x.IsNull || y.IsNull)
 216                                 return SybaseBoolean.Null;
 217                         else
 218                                 return new SybaseBoolean (x.Value < y.Value);
 219                 }
 220
 221                 public static SybaseBoolean operator <= (SybaseDateTime x, SybaseDateTime y)
 222                 {
 223                         if (x.IsNull || y.IsNull)
 224                                 return SybaseBoolean.Null;
 225                         else
 226                                 return new SybaseBoolean (x.Value <= y.Value);
 227                 }
 228
 229                 [MonoTODO]
 230                 public static SybaseDateTime operator - (SybaseDateTime x, TimeSpan t)
 231                 {
 232                         throw new NotImplementedException ();
 233                 }
 234
 235                 public static explicit operator DateTime (SybaseDateTime x)
 236                 {
 237                         return x.Value;
 238                 }
 239
 240                 [MonoTODO]
 241                 public static explicit operator SybaseDateTime (SybaseString x)
 242                 {
 243                         throw new NotImplementedException();
 244                 }
 245
 246                 public static implicit operator SybaseDateTime (DateTime x)
 247                 {
 248                         return new SybaseDateTime (x);
 249                 }
 250
 251                 #endregion
 252         }
 253 }
 254