From 845c66321fcf51e67383320a8a2d20bb570be18a Mon Sep 17 00:00:00 2001
From: Jakub Konecki <jkonecki@gmail.com>
Date: Fri, 23 Jan 2015 07:31:42 +0000
Subject: [PATCH] Removed an unnecessary check for null reference which is
 causing a warning during compilation: CS0472: The result of the expression is
 always 'false' since a value of type 'System.Guid' is never equal to 'null'.

---
 .../Streams/SimpleMessageStream/SimpleMessageStreamProvider.cs | 3 ---
 .../Streams/PersistentStream/PersistentStreamProvider.cs       | 2 --
 2 files changed, 5 deletions(-)

diff --git a/src/Orleans/Streams/SimpleMessageStream/SimpleMessageStreamProvider.cs b/src/Orleans/Streams/SimpleMessageStream/SimpleMessageStreamProvider.cs
index dfb72daab86..c611d247222 100644
--- a/src/Orleans/Streams/SimpleMessageStream/SimpleMessageStreamProvider.cs
+++ b/src/Orleans/Streams/SimpleMessageStream/SimpleMessageStreamProvider.cs
@@ -63,9 +63,6 @@ public Task Start()
 
         public IAsyncStream<T> GetStream<T>(Guid id, string streamNamespace)
         {
-            if (id == null)
-                throw new ArgumentNullException("id");
-
             var streamId = StreamId.GetStreamId(id, Name, streamNamespace);
             return providerRuntime.GetStreamDirectory().GetOrAddStream<T>(
                 streamId,
diff --git a/src/OrleansRuntime/Streams/PersistentStream/PersistentStreamProvider.cs b/src/OrleansRuntime/Streams/PersistentStream/PersistentStreamProvider.cs
index 70e905bbcee..64861af28d2 100644
--- a/src/OrleansRuntime/Streams/PersistentStream/PersistentStreamProvider.cs
+++ b/src/OrleansRuntime/Streams/PersistentStream/PersistentStreamProvider.cs
@@ -119,8 +119,6 @@ public async Task Start()
 
         public IAsyncStream<T> GetStream<T>(Guid id, string streamNamespace)
         {
-            if (id == null) throw new ArgumentNullException("id");
-
             var streamId = StreamId.GetStreamId(id, Name, streamNamespace);
             return providerRuntime.GetStreamDirectory().GetOrAddStream<T>(
                 streamId, () => new StreamImpl<T>(streamId, this, IsRewindable));