Changeset 15382

Timestamp:

09/27/17 10:32:21 (7 years ago)

Author:

pfleck

Message:

#2823 merged r15327, r15339 to stable

Location:

stable

Files:

• . (modified) (1 prop)
• HeuristicLab.Optimization (modified) (1 prop)
• HeuristicLab.Optimization/3.3/MetaOptimizers/Experiment.cs (modified) (4 diffs)

stable/HeuristicLab.Optimization/3.3/MetaOptimizers/Experiment.cs

@@ -111 +111 @@
     private bool experimentStarted = false;
     private bool experimentStopped = false;
+    private readonly ManualResetEventSlim allOptimizerFinished = new ManualResetEventSlim(false); // this indicates that all started optimizers have been paused or stopped
 
     public Experiment()
@@ -191 +192 @@
       if ((ExecutionState != ExecutionState.Prepared) && (ExecutionState != ExecutionState.Paused))
         throw new InvalidOperationException(string.Format("Start not allowed in execution state \"{0}\".", ExecutionState));
-      if (Optimizers.Count == 0) return;
+      if (!Optimizers.Any(x => x.ExecutionState == ExecutionState.Prepared || x.ExecutionState == ExecutionState.Paused)) return;
 
       experimentStarted = true;
       experimentStopped = false;
+      allOptimizerFinished.Reset();
       IOptimizer optimizer;
-      while ((optimizer = Optimizers.FirstOrDefault(x => (x.ExecutionState == ExecutionState.Prepared) || (x.ExecutionState == ExecutionState.Paused))) != null) {
+      while ((optimizer = Optimizers.FirstOrDefault(x => x.ExecutionState == ExecutionState.Prepared || x.ExecutionState == ExecutionState.Paused)) != null) {
         // a race-condition may occur when the optimizer has changed the state by itself in the meantime
         try { optimizer.Start(cancellationToken); } catch (InvalidOperationException) { }
         if (ExecutionState == ExecutionState.Paused || ExecutionState == ExecutionState.Stopped) break;
       }
+      allOptimizerFinished.Wait();
     }
     public async Task StartAsync() { await StartAsync(CancellationToken.None); }
@@ -266 +269 @@
     private void OnPaused() {
       ExecutionState = ExecutionState.Paused;
+      allOptimizerFinished.Set();
       EventHandler handler = Paused;
       if (handler != null) handler(this, EventArgs.Empty);
@@ -272 +276 @@
     private void OnStopped() {
       ExecutionState = ExecutionState.Stopped;
+      allOptimizerFinished.Set();
       EventHandler handler = Stopped;
       if (handler != null) handler(this, EventArgs.Empty);