Changeset 8836 for trunk/sources

Timestamp:

10/23/12 11:56:09 (12 years ago)

Author:

gkronber

Message:

#1534: introduced synchronization to make sure the algorithm has been started before calling OnStarted in CrossValidation

File:

• trunk/sources/HeuristicLab.Algorithms.DataAnalysis/3.4/CrossValidation.cs (modified) (2 diffs)

trunk/sources/HeuristicLab.Algorithms.DataAnalysis/3.4/CrossValidation.cs

@@ -24 +24 @@
 using System.Drawing;
 using System.Linq;
+using System.Threading;
 using HeuristicLab.Collections;
 using HeuristicLab.Common;
@@ -311 +312 @@
             if (clonedAlgorithm.ExecutionState == ExecutionState.Prepared ||
                 clonedAlgorithm.ExecutionState == ExecutionState.Paused) {
-              clonedAlgorithm.Start();
-              startedAlgorithms++;
+
+              // start and wait until the alg is started 
+              using (var signal = new ManualResetEvent(false)) {
+                EventHandler signalSetter = (sender, args) => { signal.Set(); };
+                clonedAlgorithm.Started += signalSetter;
+                clonedAlgorithm.Start();
+                signal.WaitOne();
+                clonedAlgorithm.Started -= signalSetter;
+
+                startedAlgorithms++;
+              }
             }
           }