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//
// Mono.Data.TdsTypes.TdsGuid
//
// Author:
// Tim Coleman <tim@timcoleman.com>
//
// (C) Copyright Tim Coleman, 2002
//
using Mono.Data.TdsClient;
using System;
using System.Data.SqlTypes;
using System.Globalization;
namespace Mono.Data.TdsTypes {
public struct TdsGuid : INullable, IComparable
{
#region Fields
Guid value;
private bool notNull;
public static readonly TdsGuid Null;
#endregion
#region Constructors
public TdsGuid (byte[] value)
{
this.value = new Guid (value);
notNull = true;
}
public TdsGuid (Guid g)
{
this.value = g;
notNull = true;
}
public TdsGuid (string s)
{
this.value = new Guid (s);
notNull = true;
}
public TdsGuid (int a, short b, short c, byte d, byte e, byte f, byte g, byte h, byte i, byte j, byte k)
{
this.value = new Guid (a, b, c, d, e, f, g, h, i, j, k);
notNull = true;
}
#endregion
#region Properties
public bool IsNull {
get { return !notNull; }
}
public Guid Value {
get {
if (this.IsNull)
throw new TdsNullValueException ("The property contains Null.");
else
return value;
}
}
#endregion
#region Methods
public int CompareTo (object value)
{
if (value == null)
return 1;
else if (!(value is TdsGuid))
throw new ArgumentException (Locale.GetText ("Value is not a System.Data.TdsTypes.TdsGuid"));
else if (((TdsGuid)value).IsNull)
return 1;
else
return this.value.CompareTo (((TdsGuid)value).Value);
}
public override bool Equals (object value)
{
if (!(value is TdsGuid))
return false;
else
return (bool) (this == (TdsGuid)value);
}
public static TdsBoolean Equals (TdsGuid x, TdsGuid y)
{
return (x == y);
}
[MonoTODO]
public override int GetHashCode ()
{
return 42;
}
public static TdsBoolean GreaterThan (TdsGuid x, TdsGuid y)
{
return (x > y);
}
public static TdsBoolean GreaterThanOrEqual (TdsGuid x, TdsGuid y)
{
return (x >= y);
}
public static TdsBoolean LessThan (TdsGuid x, TdsGuid y)
{
return (x < y);
}
public static TdsBoolean LessThanOrEqual (TdsGuid x, TdsGuid y)
{
return (x <= y);
}
public static TdsBoolean NotEquals (TdsGuid x, TdsGuid y)
{
return (x != y);
}
[MonoTODO]
public static TdsGuid Parse (string s)
{
throw new NotImplementedException ();
}
[MonoTODO]
public byte[] ToByteArray()
{
throw new NotImplementedException ();
}
public TdsBinary ToTdsBinary ()
{
return ((TdsBinary)this);
}
public TdsString ToTdsString ()
{
return ((TdsString)this);
}
public override string ToString ()
{
if (this.IsNull)
return String.Empty;
else
return value.ToString ();
}
public static TdsBoolean operator == (TdsGuid x, TdsGuid y)
{
if (x.IsNull || y.IsNull) return TdsBoolean.Null;
return new TdsBoolean (x.Value == y.Value);
}
[MonoTODO]
public static TdsBoolean operator > (TdsGuid x, TdsGuid y)
{
throw new NotImplementedException ();
}
[MonoTODO]
public static TdsBoolean operator >= (TdsGuid x, TdsGuid y)
{
throw new NotImplementedException ();
}
public static TdsBoolean operator != (TdsGuid x, TdsGuid y)
{
if (x.IsNull || y.IsNull) return TdsBoolean.Null;
return new TdsBoolean (!(x.Value == y.Value));
}
[MonoTODO]
public static TdsBoolean operator < (TdsGuid x, TdsGuid y)
{
throw new NotImplementedException ();
}
[MonoTODO]
public static TdsBoolean operator <= (TdsGuid x, TdsGuid y)
{
throw new NotImplementedException ();
}
[MonoTODO]
public static explicit operator TdsGuid (TdsBinary x)
{
throw new NotImplementedException ();
}
public static explicit operator Guid (TdsGuid x)
{
return x.Value;
}
[MonoTODO]
public static explicit operator TdsGuid (TdsString x)
{
throw new NotImplementedException ();
}
public static implicit operator TdsGuid (Guid x)
{
return new TdsGuid (x);
}
#endregion
}
}
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