OracleTimeSpan.cs :  » 2.6.4-mono-.net-core » System.Data » System » Data » OracleClient » C# / CSharp Open Source

//
// OracleTimeSpan.cs 
//
// Part of the Mono class libraries at
// mcs/class/System.Data.OracleClient/System.Data.OracleClient
//
// Assembly: System.Data.OracleClient.dll
// Namespace: System.Data.OracleClient
//
// Author: Tim Coleman <tim@timcoleman.com>
//
// Copyright (C) Tim Coleman, 2003
//
// Licensed under the MIT/X11 License.
//

using System;
using System.Data.SqlTypes;

namespace System.Data.OracleClient{
  public struct OracleTimeSpan : IComparable, INullable
  {
    #region Fields

    public static readonly OracleTimeSpan MaxValue = new OracleTimeSpan (TimeSpan.MaxValue);
    public static readonly OracleTimeSpan MinValue = new OracleTimeSpan (TimeSpan.MinValue);
    public static readonly OracleTimeSpan Null = new OracleTimeSpan ();

    bool notNull;
    TimeSpan value;

    #endregion // Fields

    #region Constructors

    public OracleTimeSpan (long ticks)
      : this (new TimeSpan (ticks))
    {
    }

    public OracleTimeSpan (OracleTimeSpan from)
    {
      if (from.IsNull)
        throw new NullReferenceException ();
      value = from.value;
      notNull = true;
    }

    public OracleTimeSpan (TimeSpan ts)
    {
      value = ts;
      notNull = true;
    }

    public OracleTimeSpan (int hours, int minutes, int seconds)
      : this (new TimeSpan (hours, minutes, seconds))
    {
    }

    public OracleTimeSpan (int days, int hours, int minutes, int seconds)
      : this (new TimeSpan (days, hours, minutes, seconds))
    {
    }

    public OracleTimeSpan (int days, int hours, int minutes, int seconds, int milliseconds)
      : this (new TimeSpan (days, hours, minutes, seconds, milliseconds))
    {
    }

    #endregion // Constructors

    #region Properties

    public int Days {
      get { return Value.Days; }
    }

    public int Hours {
      get { return Value.Hours; }
    }

    public bool IsNull {
      get { return !notNull; }
    }

    public int Milliseconds {
      get { return Value.Milliseconds; }
    }

    public int Minutes {
      get { return Value.Minutes; }
    }

    public int Seconds {
      get { return Value.Seconds; }
    }

    public TimeSpan Value {
      get {
        if (IsNull)
          throw CreateValueNullException ();
        return value;
      }
    }

    #endregion // Properties

    #region Methods

    public int CompareTo (object obj)
    {
      OracleTimeSpan o = (OracleTimeSpan) obj;
      if (obj == null)
        throw new NullReferenceException ("Object reference not set to an instance of an object");
      else if (!(obj is OracleTimeSpan))
        throw new ArgumentException ("Value is not a System.Data.OracleClient.OracleTimeSpan", obj.ToString ());
      else if (o.IsNull && this.IsNull)
        return 0;
      else if (o.IsNull && !(this.IsNull))
        return 1;
      else
        return value.CompareTo (o.Value);
    }

    public override bool Equals (object value)
    {
      if (value is OracleTimeSpan)
      {
        OracleTimeSpan t = (OracleTimeSpan) value;
        if (!(this.IsNull) && !(t.IsNull))
          return this.value == t.value;
        else
          throw new InvalidOperationException ("The value is null");
      }
      return false;
    }

    public static OracleBoolean Equals (OracleTimeSpan x, OracleTimeSpan y)
    {
      if (x.IsNull || y.IsNull)
        return OracleBoolean.Null;
      return new OracleBoolean (x.Value == y.Value);
    }

    [MonoTODO]
    public override int GetHashCode ()
    {
      throw new NotImplementedException ();
    }

    public static OracleBoolean GreaterThan (OracleTimeSpan x, OracleTimeSpan y)
    {
      if (x.IsNull || y.IsNull)
        return OracleBoolean.Null;
      return (x.Value > y.Value);
    }

    public static OracleBoolean GreaterThanOrEqual (OracleTimeSpan x, OracleTimeSpan y)
    {
      if (x.IsNull || y.IsNull)
        return OracleBoolean.Null;
      return (x.Value >= y.Value);
    }

    public static OracleBoolean LessThan (OracleTimeSpan x, OracleTimeSpan y)
    {
      if (x.IsNull || y.IsNull)
        return OracleBoolean.Null;
      return (x.Value < y.Value);
    }

    public static OracleBoolean LessThanOrEqual (OracleTimeSpan x, OracleTimeSpan y)
    {
      if (x.IsNull || y.IsNull)
        return OracleBoolean.Null;
      return (x.Value <= y.Value);
    }

    public static OracleBoolean NotEquals (OracleTimeSpan x, OracleTimeSpan y)
    {
      if (x.IsNull || y.IsNull)
        return OracleBoolean.Null;
      return (x.Value != y.Value);
    }
    
    public static OracleTimeSpan Parse (string s)
    {
      return new OracleTimeSpan (TimeSpan.Parse (s));
    }

    public override string ToString ()
    {
      if (IsNull)
        return "Null";
      return value.ToString ();
    }

    static Exception CreateValueNullException ()
    {
      return new InvalidOperationException ("The value is Null");
    }

    #endregion // Methods

    #region Operators and Type Conversions

    public static OracleBoolean operator == (OracleTimeSpan x, OracleTimeSpan y)
    {
      return Equals (x, y);
    }

    public static OracleBoolean operator > (OracleTimeSpan x, OracleTimeSpan y)
    {
      return GreaterThan (x, y);
    }

    public static OracleBoolean operator >= (OracleTimeSpan x, OracleTimeSpan y)
    {
      return GreaterThanOrEqual (x, y);
    }

    public static OracleBoolean operator != (OracleTimeSpan x, OracleTimeSpan y)
    {
      return NotEquals (x, y);
    }

    public static OracleBoolean operator < (OracleTimeSpan x, OracleTimeSpan y)
    {
      return LessThan (x, y);
    }

    public static OracleBoolean operator <= (OracleTimeSpan x, OracleTimeSpan y)
    {
      return LessThan (x, y);
    }

    public static explicit operator TimeSpan (OracleTimeSpan x)
    {
      return x.Value;
    }

    public static explicit operator OracleTimeSpan (string x)
    {
      return Parse (x);
    }

    #endregion // Operators and Type Conversions
  }
}