public static bool IsMatch <T>(this T subject, T target, CompareGuardTypes compareType) where T : IComparable <T>
{
var compare = subject.CompareTo(target);
switch (compareType)
{
case CompareGuardTypes.GreaterThan:
return(compare > 0);
case CompareGuardTypes.Equals:
return(compare == 0);
case CompareGuardTypes.NotEquals:
return(compare != 0);
case CompareGuardTypes.LessThan:
return(compare < 0);
case CompareGuardTypes.GreaterOrEqualThan:
return(compare >= 0);
case CompareGuardTypes.LessOrEqualThan:
default:
return(compare <= 0);
}
}
public AsyncCompareGuard(Task <T> subject, T target, CompareGuardTypes type) : base(subject)
{
this.target = target;
CompareType = type;
}
/// <summary>
/// builds an async comparison guard for the subject
/// </summary>
/// <typeparam name="T">result type of the subject task</typeparam>
/// <param name="subject">The subject to guard/param>
/// <param name="target">the target to compare against</param>
/// <param name="compareType">the type of comparison to do against the target. See <see cref="CompareGuardTypes"/></param>
/// <returns>an instance of <see cref="IAsyncCompareGuard{T}"/> that will guard the subject </returns>
public static IAsyncCompareGuard <T> Compare <T>(this Task <T> subject, T target, CompareGuardTypes compareType) where T : IComparable <T>
=> new AsyncCompareGuard <T>(subject, target, compareType);