public IObservable<IChangeSet<TObject, TKey>> Run()
{
return Observable.Create<IChangeSet<TObject, TKey>>(
observer =>
{
var filterer = new PLinqFilteredUpdater(_filter, _parallelisationOptions);
return _source.Select(filterer.Update).NotEmpty().SubscribeSafe(observer);
});
}
/// <summary>
/// Filters the stream using the specified predicate
/// </summary>
/// <typeparam name="TObject">The type of the object.</typeparam>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <param name="source">The source.</param>
/// <param name="filter">The filter.</param>
/// <param name="parallelisationOptions">The parallelisation options.</param>
/// <returns></returns>
/// <exception cref="System.ArgumentNullException">source</exception>
public static IObservable <IChangeSet <TObject, TKey> > Filter <TObject, TKey>(this IObservable <IChangeSet <TObject, TKey> > source, Func <TObject, bool> filter, ParallelisationOptions parallelisationOptions)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (filter == null)
{
return(source);
}
return(Observable.Create <IChangeSet <TObject, TKey> >(
observer =>
{
var filterer = new PLinqFilteredUpdater <TObject, TKey>(filter, parallelisationOptions);
return source
.Select(filterer.Update)
.NotEmpty()
.SubscribeSafe(observer);
}));
}
