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//
// System.Data.SqlTypes.SqlGuid
//
// Author:
// Tim Coleman <tim@timcoleman.com>
//
// (C) Copyright 2002 Tim Coleman
//
using System;
using System.Globalization;
namespace System.Data.SqlTypes
{
public struct SqlGuid : INullable, IComparable
{
#region Fields
Guid value;
public static readonly SqlGuid Null;
#endregion
#region Constructors
public SqlGuid (byte[] value)
{
this.value = new Guid (value);
}
public SqlGuid (Guid g)
{
this.value = g;
}
public SqlGuid (string s)
{
this.value = new Guid (s);
}
public SqlGuid (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);
}
#endregion
#region Properties
public bool IsNull {
get { return (bool) (this == SqlGuid.Null); }
}
public Guid 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 SqlGuid))
throw new ArgumentException (Locale.GetText ("Value is not a System.Data.SqlTypes.SqlGuid"));
else if (((SqlGuid)value).IsNull)
return 1;
else
return this.value.CompareTo (((SqlGuid)value).Value);
}
public override bool Equals (object value)
{
if (!(value is SqlGuid))
return false;
else
return (bool) (this == (SqlGuid)value);
}
public static SqlBoolean Equals (SqlGuid x, SqlGuid y)
{
return (x == y);
}
[MonoTODO]
public override int GetHashCode ()
{
return 42;
}
public static SqlBoolean GreaterThan (SqlGuid x, SqlGuid y)
{
return (x > y);
}
public static SqlBoolean GreaterThanOrEqual (SqlGuid x, SqlGuid y)
{
return (x >= y);
}
public static SqlBoolean LessThan (SqlGuid x, SqlGuid y)
{
return (x < y);
}
public static SqlBoolean LessThanOrEqual (SqlGuid x, SqlGuid y)
{
return (x <= y);
}
public static SqlBoolean NotEquals (SqlGuid x, SqlGuid y)
{
return (x != y);
}
[MonoTODO]
public static SqlGuid Parse (string s)
{
throw new NotImplementedException ();
}
[MonoTODO]
public byte[] ToByteArray()
{
throw new NotImplementedException ();
}
public SqlBinary ToSqlBinary ()
{
return ((SqlBinary)this);
}
public SqlString ToSqlString ()
{
return ((SqlString)this);
}
public override string ToString ()
{
if (this.IsNull)
return String.Empty;
else
return value.ToString ();
}
public static SqlBoolean operator == (SqlGuid x, SqlGuid y)
{
if (x.IsNull || y.IsNull) return SqlBoolean.Null;
return new SqlBoolean (x.Value == y.Value);
}
[MonoTODO]
public static SqlBoolean operator > (SqlGuid x, SqlGuid y)
{
throw new NotImplementedException ();
}
[MonoTODO]
public static SqlBoolean operator >= (SqlGuid x, SqlGuid y)
{
throw new NotImplementedException ();
}
public static SqlBoolean operator != (SqlGuid x, SqlGuid y)
{
if (x.IsNull || y.IsNull) return SqlBoolean.Null;
return new SqlBoolean (!(x.Value == y.Value));
}
[MonoTODO]
public static SqlBoolean operator < (SqlGuid x, SqlGuid y)
{
throw new NotImplementedException ();
}
[MonoTODO]
public static SqlBoolean operator <= (SqlGuid x, SqlGuid y)
{
throw new NotImplementedException ();
}
[MonoTODO]
public static explicit operator SqlGuid (SqlBinary x)
{
throw new NotImplementedException ();
}
public static explicit operator Guid (SqlGuid x)
{
return x.Value;
}
[MonoTODO]
public static explicit operator SqlGuid (SqlString x)
{
throw new NotImplementedException ();
}
public static implicit operator SqlGuid (Guid x)
{
return new SqlGuid (x);
}
#endregion
}
}
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