[jira] [Work logged] (BEAM-13557) [Playground] Show how long it took the pipeline to run in the UI

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-13557?focusedWorklogId=706025&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-706025 ]

ASF GitHub Bot logged work on BEAM-13557:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 10/Jan/22 11:48
            Start Date: 10/Jan/22 11:48
    Worklog Time Spent: 10m 
      Work Description: ElessarST commented on a change in pull request #16363:
URL: https://github.com/apache/beam/pull/16363#discussion_r781123538



##########
File path: playground/frontend/lib/pages/playground/states/playground_state.dart
##########
@@ -156,6 +166,39 @@ class PlaygroundState with ChangeNotifier {
       status: RunCodeStatus.finished,
       output: _selectedExample!.outputs,
     );
+    _executionTime?.close();
     notifyListeners();
   }
+
+  StreamController<int> _createExecutionTimeStream() {
+    StreamController<int>? streamController;
+    Timer? timer;
+    Duration timerInterval = const Duration(milliseconds: kExecutionTimeUpdate);
+    int ms = 0;
+
+    void stopTimer() {
+      if (timer != null) {
+        timer?.cancel();

Review comment:
       question mark is required, because timer is not local variable




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Issue Time Tracking
-------------------

    Worklog Id:     (was: 706025)
    Time Spent: 0.5h  (was: 20m)

> [Playground] Show how long it took the pipeline to run in the UI
> ----------------------------------------------------------------
>
>                 Key: BEAM-13557
>                 URL: https://issues.apache.org/jira/browse/BEAM-13557
>             Project: Beam
>          Issue Type: Task
>          Components: beam-playground
>            Reporter: Artur Khanin
>            Assignee: Aydar Farrakhov
>            Priority: P2
>              Labels: beam-playground-frontend, beam-playground-sprint-6
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> Need to add a timer to show users how long current code processing takes.



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