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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
#pragma warning disable 1591
namespace System.Reactive.Linq
{
public static partial class Qbservable
{
private static IQbservableProvider s_provider;
/// <summary>
/// Gets the local query provider which will retarget Qbservable-based queries to the corresponding Observable-based query for in-memory execution upon subscription.
/// </summary>
public static IQbservableProvider Provider
{
get
{
if (s_provider == null)
s_provider = new ObservableQueryProvider();
return s_provider;
}
}
/// <summary>
/// Converts an in-memory observable sequence into an IQbservable<T> sequence with an expression tree representing the source sequence.
/// </summary>
/// <typeparam name="TSource">The type of the elements in the source sequence.</typeparam>
/// <param name="source">Source sequence.</param>
/// <returns>IQbservable<T> sequence representing the given observable source sequence.</returns>
/// <exception cref="ArgumentNullException"><paramref name="source"/> is null.</exception>
public static IQbservable<TSource> AsQbservable<TSource>(this IObservable<TSource> source)
{
if (source == null)
throw new ArgumentNullException("source");
return new ObservableQuery<TSource>(source);
}
}
}
#pragma warning restore 1591
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