1 files changed, 50 insertions, 0 deletions

diff --git a/Rx.NET/System.Reactive.Linq/Reactive/Linq/Observαble/Throw.cs b/Rx.NET/System.Reactive.Linq/Reactive/Linq/Observαble/Throw.cs
new file mode 100644
index 0000000..3b10894
--- /dev/null
+++ b/Rx.NET/System.Reactive.Linq/Reactive/Linq/Observαble/Throw.cs
@@ -0,0 +1,50 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
+
+#if !NO_PERF
+using System;
+using System.Reactive.Concurrency;
+
+namespace System.Reactive.Linq.Observαble
+{
+    class Throw<TResult> : Producer<TResult>
+    {
+        private readonly Exception _exception;
+        private readonly IScheduler _scheduler;
+
+        public Throw(Exception exception, IScheduler scheduler)
+        {
+            _exception = exception;
+            _scheduler = scheduler;
+        }
+
+        protected override IDisposable Run(IObserver<TResult> observer, IDisposable cancel, Action<IDisposable> setSink)
+        {
+            var sink = new _(this, observer, cancel);
+            setSink(sink);
+            return sink.Run();
+        }
+
+        class _ : Sink<TResult>
+        {
+            private readonly Throw<TResult> _parent;
+
+            public _(Throw<TResult> parent, IObserver<TResult> observer, IDisposable cancel)
+                : base(observer, cancel)
+            {
+                _parent = parent;
+            }
+
+            public IDisposable Run()
+            {
+                return _parent._scheduler.Schedule(Invoke);
+            }
+
+            private void Invoke()
+            {
+                base._observer.OnError(_parent._exception);
+                base.Dispose();
+            }
+        }
+    }
+}
+#endif
\ No newline at end of file