internal GrayListModifier([NotNull] IGrayPeriodProvider grayPeriodProvider, [NotNull] ITimeProvider timeProvider, [CanBeNull] ILog log)
{
if (grayPeriodProvider == null)
{
throw new ArgumentNullException(nameof(grayPeriodProvider));
}
if (timeProvider == null)
{
throw new ArgumentNullException(nameof(timeProvider));
}
this.grayPeriodProvider = grayPeriodProvider;
this.timeProvider = timeProvider;
this.log = log ?? new SilentLog();
}
public void SetUp()
{
weight = 1.0;
request = Request.Get("foo/bar");
replica1 = new Uri("http://replica1");
replica2 = new Uri("http://replica2");
replicas = new List <Uri> {
replica1, replica2
};
storage = new ConcurrentDictionary <Uri, DateTime>();
storageProvider = Substitute.For <IReplicaStorageProvider>();
storageProvider.Obtain <DateTime>(Arg.Any <string>()).Returns(storage);
periodProvider = Substitute.For <IGrayPeriodProvider>();
periodProvider.GetGrayPeriod().Returns(5.Minutes());
timeProvider = Substitute.For <ITimeProvider>();
timeProvider.GetCurrentTime().Returns(currentTime = DateTime.UtcNow);
modifier = new GrayListModifier(periodProvider, timeProvider, new ConsoleLog());
}
/// <summary> /// Adds a <see cref="GrayListModifier"/> with given <paramref name="grayPeriodProvider"/> to the chain. /// </summary> public static void AddGrayListModifier(this IWeighedReplicaOrderingBuilder builder, IGrayPeriodProvider grayPeriodProvider) => builder.AddModifier(new GrayListModifier(grayPeriodProvider, builder.Log));
internal GrayListModifier([NotNull] IGrayPeriodProvider grayPeriodProvider, [NotNull] Func <DateTime> getCurrentTime, [CanBeNull] ILog log)
{
this.grayPeriodProvider = grayPeriodProvider ?? throw new ArgumentNullException(nameof(grayPeriodProvider));
this.getCurrentTime = getCurrentTime ?? throw new ArgumentNullException(nameof(getCurrentTime));
this.log = log ?? new SilentLog();
}
/// <param name="grayPeriodProvider">A gray periods provider</param>
/// <param name="log"><see cref="ILog"/> instance.</param>
public GrayListModifier([NotNull] IGrayPeriodProvider grayPeriodProvider, [CanBeNull] ILog log)
: this(grayPeriodProvider, () => DateTime.UtcNow, log)
{
}
public GrayListModifier([NotNull] IGrayPeriodProvider grayPeriodProvider, [CanBeNull] ILog log)
: this(grayPeriodProvider, new TimeProvider(), log)
{
}
