From 652d62214d79618cac01e39d6e4713fb3ff7f498 Mon Sep 17 00:00:00 2001
From: anuchan <anuamd@gmail.com>
Date: Mon, 8 Aug 2016 15:16:46 -0700
Subject: [PATCH] Exposing Create and CreateAsync in collection that takes
 variable number of Creatables

---
 .../src/main/java/com/microsoft/azure/TaskGroupBase.java      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/azure-client-runtime/src/main/java/com/microsoft/azure/TaskGroupBase.java b/azure-client-runtime/src/main/java/com/microsoft/azure/TaskGroupBase.java
index c7b982a8f0986..8a5547cac373c 100644
--- a/azure-client-runtime/src/main/java/com/microsoft/azure/TaskGroupBase.java
+++ b/azure-client-runtime/src/main/java/com/microsoft/azure/TaskGroupBase.java
@@ -162,7 +162,9 @@ public boolean isCancelled() {
          * @param call the call
          */
         private void addCall(ServiceCall call) {
-            this.serviceCalls.add(call);
+            if (call != null) {
+                this.serviceCalls.add(call);
+            }
         }
     }
 }