Allow specifying upn and spn

azure-client-runtime/src/main/java/com/microsoft/azure/ParallelServiceCall.java

@@ -0,0 +1,50 @@
+package com.microsoft.azure;
+
+import com.microsoft.rest.ServiceCall;
+
+import java.util.concurrent.ConcurrentLinkedQueue;
+
+/**
+ * Type represents a set of REST calls running possibly in parallel.
+ */
+public class ParallelServiceCall<T> extends ServiceCall<T> {
+    private ConcurrentLinkedQueue<ServiceCall<?>> serviceCalls;
+
+    /**
+     * Creates a ParallelServiceCall.
+     */
+    public ParallelServiceCall() {
+        super(null);
+        this.serviceCalls = new ConcurrentLinkedQueue<>();
+    }
+
+    /**
+     * Cancels all the service calls currently executing.
+     */
+    public void cancel() {
+        for (ServiceCall<?> call : this.serviceCalls) {
+            call.cancel();
+        }
+    }
+
+    /**
+     * @return true if the call has been canceled; false otherwise.
+     */
+    public boolean isCancelled() {
+        for (ServiceCall<?> call : this.serviceCalls) {
+            if (!call.isCanceled()) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Add a call to the list of parallel calls.
+     *
+     * @param call the call
+     */
+    public void addCall(ServiceCall<?> call) {
+        this.serviceCalls.add(call);
+    }
+}