/// <summary>
/// Adds concurrent, non-exclusive work to the execution queue of the provided <see cref="AsyncReaderWriterLock"/>.
/// </summary>
/// <typeparam name="T">The result type.</typeparam>
/// <param name="asyncReaderWriterLock">The <see cref="AsyncReaderWriterLock"/> to schedule work on.</param>
/// <param name="workerObservable">The worker observable.</param>
/// <param name="scheduler">The scheduler. If none is provided, <see cref="Scheduler.Default"/> is used.</param>
/// <returns></returns>
public static IObservable <T> AddConcurrentNonExclusiveWork <T>(this AsyncReaderWriterLock asyncReaderWriterLock, IObservable <T> workerObservable, IScheduler scheduler = null)
{
if (asyncReaderWriterLock == null)
{
throw new ArgumentNullException(nameof(asyncReaderWriterLock));
}
return(asyncReaderWriterLock.AcquireConcurrentReaderLock().PerformReaderWriterLockedWorkOnScheduler(workerObservable, scheduler));
}
/// <summary>
/// Adds concurrent, non-exclusive work to the execution queue of the provided <see cref="AsyncReaderWriterLock"/>.
/// </summary>
/// <typeparam name="T">The result type.</typeparam>
/// <param name="asyncReaderWriterLock">The <see cref="AsyncReaderWriterLock"/> to schedule work on.</param>
/// <param name="action">The action.</param>
/// <param name="synchronizationContext">The synchronization context to execute the work on. If none is provided, <see cref="SynchronizationContext.Current"/> is used.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns></returns>
public static Task <T> AddConcurrentNonExclusiveWork <T>(this AsyncReaderWriterLock asyncReaderWriterLock, Func <CancellationToken, Task <T> > action, SynchronizationContext synchronizationContext = null, CancellationToken cancellationToken = default(CancellationToken))
{
if (asyncReaderWriterLock == null)
{
throw new ArgumentNullException(nameof(asyncReaderWriterLock));
}
if (action == null)
{
throw new ArgumentNullException(nameof(action));
}
return(asyncReaderWriterLock.AcquireConcurrentReaderLock().PerformReaderWriterLockedWorkOnSynchronizationContext(Observable.FromAsync(token => action.Invoke(CancellationTokenSource.CreateLinkedTokenSource(token, cancellationToken).Token)), synchronizationContext).ToTask(cancellationToken));
}