Let original paging async method return List

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

@@ -10,6 +10,8 @@
 import com.microsoft.rest.ServiceCall;
 import com.microsoft.rest.ServiceResponse;
 
+import java.util.List;
+
 import rx.Observable;
 import rx.Subscriber;
 import rx.functions.Func1;
@@ -31,13 +33,12 @@ private AzureServiceCall() {
      * @param first the observable to the first page
      * @param next the observable to poll subsequent pages
      * @param callback the client-side callback
-     * @param <T> the Page type
-     * @param <V> the element type
+     * @param <E> the element type
      * @return the future based ServiceCall
      */
-    public static <T extends Page<V>, V> ServiceCall<T> create(Observable<ServiceResponse<T>> first, final Func1<String, Observable<ServiceResponse<T>>> next, final ListOperationCallback<V> callback) {
-        final AzureServiceCall<T> serviceCall = new AzureServiceCall<>();
-        final PagingSubscriber<T, V> subscriber = new PagingSubscriber<>(serviceCall, next, callback);
+    public static <E> ServiceCall<List<E>> create(Observable<ServiceResponse<Page<E>>> first, final Func1<String, Observable<ServiceResponse<Page<E>>>> next, final ListOperationCallback<E> callback) {
+        final AzureServiceCall<List<E>> serviceCall = new AzureServiceCall<>();
+        final PagingSubscriber<E> subscriber = new PagingSubscriber<>(serviceCall, next, callback);
         serviceCall.setSubscription(first
             .single()
             .subscribe(subscriber));
@@ -47,16 +48,15 @@ public static <T extends Page<V>, V> ServiceCall<T> create(Observable<ServiceRes
     /**
      * The subscriber that handles user callback and automatically subscribes to the next page.
      *
-     * @param <T> the Page type
-     * @param <V> the element type
+     * @param <E> the element type
      */
-    private static class PagingSubscriber<T extends Page<V>, V> extends Subscriber<ServiceResponse<T>> {
-        private AzureServiceCall<T> serviceCall;
-        private Func1<String, Observable<ServiceResponse<T>>> next;
-        private ListOperationCallback<V> callback;
-        private ServiceResponse<T> lastResponse;
+    private static class PagingSubscriber<E> extends Subscriber<ServiceResponse<Page<E>>> {
+        private AzureServiceCall<List<E>> serviceCall;
+        private Func1<String, Observable<ServiceResponse<Page<E>>>> next;
+        private ListOperationCallback<E> callback;
+        private ServiceResponse<Page<E>> lastResponse;
 
-        PagingSubscriber(final AzureServiceCall<T> serviceCall, final Func1<String, Observable<ServiceResponse<T>>> next, final ListOperationCallback<V> callback) {
+        PagingSubscriber(final AzureServiceCall<List<E>> serviceCall, final Func1<String, Observable<ServiceResponse<Page<E>>>> next, final ListOperationCallback<E> callback) {
             this.serviceCall = serviceCall;
             this.next = next;
             this.callback = callback;
@@ -76,7 +76,7 @@ public void onError(Throwable e) {
         }
 
         @Override
-        public void onNext(ServiceResponse<T> serviceResponse) {
+        public void onNext(ServiceResponse<Page<E>> serviceResponse) {
             lastResponse = serviceResponse;
             ListOperationCallback.PagingBehavior behavior = ListOperationCallback.PagingBehavior.CONTINUE;
             if (callback != null) {
@@ -86,7 +86,7 @@ public void onNext(ServiceResponse<T> serviceResponse) {
                 }
             }
             if (behavior == ListOperationCallback.PagingBehavior.STOP || serviceResponse.getBody().getNextPageLink() == null) {
-                serviceCall.set(lastResponse);
+                serviceCall.set(new ServiceResponse<>(lastResponse.getBody().getItems(), lastResponse.getResponse()));
             } else {
                 serviceCall.setSubscription(next.call(serviceResponse.getBody().getNextPageLink()).single().subscribe(this));
             }