Added Pending Tasks Retrieve

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/tabular-data-portlet@111472 82a268e6-3cf1-43bd-a215-b396298e98cf

src/main/java/org/gcube/portlets/user/td/client/TabularDataController.java

@@ -128,6 +128,7 @@ public class TabularDataController {
 		eventBus = new SimpleEventBus();
 		callHello();
 		checkSession();
+		pendingTasksRetrieve();
 		bindToEvents();
 	}
 
@@ -197,6 +198,32 @@ public class TabularDataController {
 		});
 
 	}
+	
+	private void pendingTasksRetrieve() {
+		TDGWTServiceAsync.INSTANCE.pendingTasksRetrieve(new AsyncCallback<Integer>() {
+
+			@Override
+			public void onFailure(Throwable caught) {
+				Log.info("No valid user found: " + caught.getMessage());
+				if (caught instanceof TDGWTSessionExpiredException) {
+					UtilsGXT3.alert("Error", "Expired Session");
+					sessionExpiredShowDelayed();
+				} else {
+					UtilsGXT3.alert("Error", caught.getLocalizedMessage());
+				}
+			}
+
+			@Override
+			public void onSuccess(Integer pending) {
+				Log.info("Pending Tasks Retrieved: "+pending);
+
+			}
+
+		});
+
+	}
+	
+	
 
 	private void sessionExpiredShowDelayed() {
 		Timer timeoutTimer = new Timer() {