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//
// System.Data.SqlTypes.SqlDateTime
//
// Author:
// Tim Coleman <tim@timcoleman.com>
//
// (C) Copyright 2002 Tim Coleman
//
using System;
using System.Globalization;
namespace System.Data.SqlTypes
{
public struct SqlDateTime : INullable, IComparable
{
#region Fields
private DateTime value;
public static readonly SqlDateTime MaxValue = new SqlDateTime (9999,12,31);
public static readonly SqlDateTime MinValue = new SqlDateTime (1753,1,1);
public static readonly SqlDateTime Null;
public static readonly int SQLTicksPerHour;
public static readonly int SQLTicksPerMinute;
public static readonly int SQLTicksPerSecond;
#endregion
#region Constructors
public SqlDateTime (DateTime value)
{
this.value = value;
}
[MonoTODO]
public SqlDateTime (int dayTicks, int timeTicks)
{
throw new NotImplementedException ();
}
public SqlDateTime (int year, int month, int day)
{
this.value = new DateTime (year, month, day);
}
public SqlDateTime (int year, int month, int day, int hour, int minute, int second)
{
this.value = new DateTime (year, month, day, hour, minute, second);
}
[MonoTODO]
public SqlDateTime (int year, int month, int day, int hour, int minute, int second, double millisecond)
{
throw new NotImplementedException ();
}
[MonoTODO]
public SqlDateTime (int year, int month, int day, int hour, int minute, int second, int bilisecond)
{
throw new NotImplementedException ();
}
#endregion
#region Properties
[MonoTODO]
public int DayTicks {
get { throw new NotImplementedException (); }
}
public bool IsNull {
get { return (bool) (this == Null); }
}
[MonoTODO]
public int TimeTicks {
get { throw new NotImplementedException (); }
}
public DateTime Value {
get {
if (this.IsNull)
throw new SqlNullValueException ("The property contains Null.");
else
return value;
}
}
#endregion
#region Methods
public int CompareTo (object value)
{
if (value == null)
return 1;
else if (!(value is SqlDateTime))
throw new ArgumentException (Locale.GetText ("Value is not a System.Data.SqlTypes.SqlDateTime"));
else if (((SqlDateTime)value).IsNull)
return 1;
else
return this.value.CompareTo (((SqlDateTime)value).Value);
}
public override bool Equals (object value)
{
if (!(value is SqlDateTime))
return false;
else
return (bool) (this == (SqlDateTime)value);
}
public static SqlBoolean Equals (SqlDateTime x, SqlDateTime y)
{
return (x == y);
}
[MonoTODO]
public override int GetHashCode ()
{
return 42;
}
public static SqlBoolean GreaterThan (SqlDateTime x, SqlDateTime y)
{
return (x > y);
}
public static SqlBoolean GreaterThanOrEqual (SqlDateTime x, SqlDateTime y)
{
return (x >= y);
}
public static SqlBoolean LessThan (SqlDateTime x, SqlDateTime y)
{
return (x < y);
}
public static SqlBoolean LessThanOrEqual (SqlDateTime x, SqlDateTime y)
{
return (x <= y);
}
public static SqlBoolean NotEquals (SqlDateTime x, SqlDateTime y)
{
return (x != y);
}
[MonoTODO]
public static SqlDateTime Parse (string s)
{
throw new NotImplementedException ();
}
public SqlString ToSqlString ()
{
return ((SqlString)this);
}
public override string ToString ()
{
if (this.IsNull)
return String.Empty;
else
return value.ToString ();
}
[MonoTODO]
public static SqlDateTime operator + (SqlDateTime x, TimeSpan t)
{
throw new NotImplementedException ();
}
public static SqlBoolean operator == (SqlDateTime x, SqlDateTime y)
{
if (x.IsNull || y.IsNull)
return SqlBoolean.Null;
else
return new SqlBoolean (x.Value == y.Value);
}
public static SqlBoolean operator > (SqlDateTime x, SqlDateTime y)
{
if (x.IsNull || y.IsNull)
return SqlBoolean.Null;
else
return new SqlBoolean (x.Value > y.Value);
}
public static SqlBoolean operator >= (SqlDateTime x, SqlDateTime y)
{
if (x.IsNull || y.IsNull)
return SqlBoolean.Null;
else
return new SqlBoolean (x.Value >= y.Value);
}
public static SqlBoolean operator != (SqlDateTime x, SqlDateTime y)
{
if (x.IsNull || y.IsNull)
return SqlBoolean.Null;
else
return new SqlBoolean (!(x.Value == y.Value));
}
public static SqlBoolean operator < (SqlDateTime x, SqlDateTime y)
{
if (x.IsNull || y.IsNull)
return SqlBoolean.Null;
else
return new SqlBoolean (x.Value < y.Value);
}
public static SqlBoolean operator <= (SqlDateTime x, SqlDateTime y)
{
if (x.IsNull || y.IsNull)
return SqlBoolean.Null;
else
return new SqlBoolean (x.Value <= y.Value);
}
[MonoTODO]
public static SqlDateTime operator - (SqlDateTime x, TimeSpan t)
{
throw new NotImplementedException ();
}
public static explicit operator DateTime (SqlDateTime x)
{
return x.Value;
}
[MonoTODO]
public static explicit operator SqlDateTime (SqlString x)
{
throw new NotImplementedException();
}
public static implicit operator SqlDateTime (DateTime x)
{
return new SqlDateTime (x);
}
#endregion
}
}
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