// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information. using System.Reactive.Disposables; namespace System.Reactive.Concurrency { /// <summary> /// Provides a set of extension methods for virtual time scheduling. /// </summary> public static class VirtualTimeSchedulerExtensions { /// <summary> /// Schedules an action to be executed at dueTime. /// </summary> /// <typeparam name="TAbsolute">Absolute time representation type.</typeparam> /// <typeparam name="TRelative">Relative time representation type.</typeparam> /// <param name="scheduler">Scheduler to execute the action on.</param> /// <param name="dueTime">Relative time after which to execute the action.</param> /// <param name="action">Action to be executed.</param> /// <returns>The disposable object used to cancel the scheduled action (best effort).</returns> /// <exception cref="ArgumentNullException"><paramref name="scheduler"/> or <paramref name="action"/> is null.</exception> public static IDisposable ScheduleRelative<TAbsolute, TRelative>(this VirtualTimeSchedulerBase<TAbsolute, TRelative> scheduler, TRelative dueTime, Action action) where TAbsolute : IComparable<TAbsolute> { if (scheduler == null) throw new ArgumentNullException("scheduler"); if (action == null) throw new ArgumentNullException("action"); return scheduler.ScheduleRelative(action, dueTime, Invoke); } /// <summary> /// Schedules an action to be executed at dueTime. /// </summary> /// <typeparam name="TAbsolute">Absolute time representation type.</typeparam> /// <typeparam name="TRelative">Relative time representation type.</typeparam> /// <param name="scheduler">Scheduler to execute the action on.</param> /// <param name="dueTime">Absolute time at which to execute the action.</param> /// <param name="action">Action to be executed.</param> /// <returns>The disposable object used to cancel the scheduled action (best effort).</returns> /// <exception cref="ArgumentNullException"><paramref name="scheduler"/> or <paramref name="action"/> is null.</exception> public static IDisposable ScheduleAbsolute<TAbsolute, TRelative>(this VirtualTimeSchedulerBase<TAbsolute, TRelative> scheduler, TAbsolute dueTime, Action action) where TAbsolute : IComparable<TAbsolute> { if (scheduler == null) throw new ArgumentNullException("scheduler"); if (action == null) throw new ArgumentNullException("action"); return scheduler.ScheduleAbsolute(action, dueTime, Invoke); } static IDisposable Invoke(IScheduler scheduler, Action action) { action(); return Disposable.Empty; } } }