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Changeset 9170

Timestamp:

01/16/13 14:21:14 (12 years ago)

Author:

ascheibe

Message:

#2005 fixed handling of unobservable exceptions

Location:

branches/UnloadJobs/HeuristicLab.Clients.Hive/3.3

Files:

-                      r9169
+                      r9170
       downloadSemaphore = new Semaphore(concurrentDownloads, concurrentDownloads);
       deserializeSemaphore = new Semaphore(concurrentDeserializations, concurrentDeserializations);
-      TaskScheduler.UnobservedTaskException += new EventHandler<UnobservedTaskExceptionEventArgs>(TaskScheduler_UnobservedTaskException);
+    }
 …
+    }
-    private void TaskScheduler_UnobservedTaskException(object sender, UnobservedTaskExceptionEventArgs e) {
-      e.SetObserved(); // avoid crash of process because task crashes. first exception found is handled in Results property
-      OnExceptionOccured(new HiveException("Unobserved Exception in ConcurrentTaskDownloader", e.Exception));
+    }
     public event EventHandler<EventArgs<Exception>> ExceptionOccured;
     private void OnExceptionOccured(Exception exception) {
 …
     #region IDisposable Members
     public void Dispose() {
-      TaskScheduler.UnobservedTaskException -= new EventHandler<UnobservedTaskExceptionEventArgs>(TaskScheduler_UnobservedTaskException);
       deserializeSemaphore.Dispose();
       downloadSemaphore.Dispose();

-                      r9169
+                      r9170
     #endregion
+    private HiveClient() { }
+    private HiveClient() {
+      //this will never be deregistered
+      TaskScheduler.UnobservedTaskException += new EventHandler<UnobservedTaskExceptionEventArgs>(TaskScheduler_UnobservedTaskException);
+    }
+    private void TaskScheduler_UnobservedTaskException(object sender, UnobservedTaskExceptionEventArgs e) {
+      e.SetObserved(); // avoid crash of process because task crashes. first exception found is handled in Results property
+      throw new HiveException("Unobserved Exception in ConcurrentTaskDownloader", e.Exception);
+    }
     public void ClearHiveClient() {

r9169	r9170
123	123	taskDownloader.ExceptionOccured -= new EventHandler<EventArgs<Exception>>(taskDownloader_ExceptionOccured);
124	124	resultsLock.Dispose();
	125	taskDownloader.Dispose();
125	126	}
126	127	#endregion

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