115 lines
4.8 KiB
C#
115 lines
4.8 KiB
C#
// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
|
|
|
|
using System.Collections.Generic;
|
|
using System.Globalization;
|
|
|
|
namespace System.Reactive
|
|
{
|
|
/// <summary>
|
|
/// Represents a value associated with time interval information.
|
|
/// The time interval can represent the time it took to produce the value, the interval relative to a previous value, the value's delivery time relative to a base, etc.
|
|
/// </summary>
|
|
/// <typeparam name="T">The type of the value being annotated with time interval information.</typeparam>
|
|
#if !NO_SERIALIZABLE
|
|
[Serializable]
|
|
#endif
|
|
public struct TimeInterval<T> : IEquatable<TimeInterval<T>>
|
|
{
|
|
private readonly TimeSpan _interval;
|
|
private readonly T _value;
|
|
|
|
/// <summary>
|
|
/// Constructs a time interval value.
|
|
/// </summary>
|
|
/// <param name="value">The value to be annotated with a time interval.</param>
|
|
/// <param name="interval">Time interval associated with the value.</param>
|
|
public TimeInterval(T value, TimeSpan interval)
|
|
{
|
|
_interval = interval;
|
|
_value = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the value.
|
|
/// </summary>
|
|
public T Value
|
|
{
|
|
get { return _value; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the interval.
|
|
/// </summary>
|
|
public TimeSpan Interval
|
|
{
|
|
get { return _interval; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether the current TimeInterval<T> value has the same Value and Interval as a specified TimeInterval<T> value.
|
|
/// </summary>
|
|
/// <param name="other">An object to compare to the current TimeInterval<T> value.</param>
|
|
/// <returns>true if both TimeInterval<T> values have the same Value and Interval; otherwise, false.</returns>
|
|
public bool Equals(TimeInterval<T> other)
|
|
{
|
|
return other.Interval.Equals(Interval) && EqualityComparer<T>.Default.Equals(Value, other.Value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether the two specified TimeInterval<T> values have the same Value and Interval.
|
|
/// </summary>
|
|
/// <param name="first">The first TimeInterval<T> value to compare.</param>
|
|
/// <param name="second">The second TimeInterval<T> value to compare.</param>
|
|
/// <returns>true if the first TimeInterval<T> value has the same Value and Interval as the second TimeInterval<T> value; otherwise, false.</returns>
|
|
public static bool operator ==(TimeInterval<T> first, TimeInterval<T> second)
|
|
{
|
|
return first.Equals(second);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether the two specified TimeInterval<T> values don't have the same Value and Interval.
|
|
/// </summary>
|
|
/// <param name="first">The first TimeInterval<T> value to compare.</param>
|
|
/// <param name="second">The second TimeInterval<T> value to compare.</param>
|
|
/// <returns>true if the first TimeInterval<T> value has a different Value or Interval as the second TimeInterval<T> value; otherwise, false.</returns>
|
|
public static bool operator !=(TimeInterval<T> first, TimeInterval<T> second)
|
|
{
|
|
return !first.Equals(second);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether the specified System.Object is equal to the current TimeInterval<T>.
|
|
/// </summary>
|
|
/// <param name="obj">The System.Object to compare with the current TimeInterval<T>.</param>
|
|
/// <returns>true if the specified System.Object is equal to the current TimeInterval<T>; otherwise, false.</returns>
|
|
public override bool Equals(object obj)
|
|
{
|
|
if (!(obj is TimeInterval<T>))
|
|
return false;
|
|
|
|
var other = (TimeInterval<T>)obj;
|
|
return this.Equals(other);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns the hash code for the current TimeInterval<T> value.
|
|
/// </summary>
|
|
/// <returns>A hash code for the current TimeInterval<T> value.</returns>
|
|
public override int GetHashCode()
|
|
{
|
|
var valueHashCode = Value == null ? 1963 : Value.GetHashCode();
|
|
|
|
return Interval.GetHashCode() ^ valueHashCode;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a string representation of the current TimeInterval<T> value.
|
|
/// </summary>
|
|
/// <returns>String representation of the current TimeInterval<T> value.</returns>
|
|
public override string ToString()
|
|
{
|
|
return String.Format(CultureInfo.CurrentCulture, "{0}@{1}", Value, Interval);
|
|
}
|
|
}
|
|
}
|