Changeset 15212 for branches

Timestamp:

07/12/17 16:07:08 (7 years ago)

Author:

jkarder

Message:

#2258: worked on execution of cross-validation

File:

• branches/Async/HeuristicLab.Algorithms.DataAnalysis/3.4/CrossValidation.cs (modified) (5 diffs)

branches/Async/HeuristicLab.Algorithms.DataAnalysis/3.4/CrossValidation.cs

@@ -256 +256 @@
 
     public void Prepare() {
+      if (startPending) return;
       if (ExecutionState == ExecutionState.Started)
         throw new InvalidOperationException(string.Format("Prepare not allowed in execution state \"{0}\".", ExecutionState));
@@ -270 +271 @@
     }
 
+    private bool startPending;
     public void Start() {
       Start(CancellationToken.None);
     }
     public void Start(CancellationToken cancellationToken) {
+      lock (locker) {
+        if (startPending) return;
+        startPending = true;
+      }
+
       if ((ExecutionState != ExecutionState.Prepared) && (ExecutionState != ExecutionState.Paused))
         throw new InvalidOperationException(string.Format("Start not allowed in execution state \"{0}\".", ExecutionState));
@@ -337 +344 @@
     private bool pausePending;
     public void Pause() {
+      if (startPending) return;
       if (ExecutionState != ExecutionState.Started)
         throw new InvalidOperationException(string.Format("Pause not allowed in execution state \"{0}\".", ExecutionState));
@@ -353 +361 @@
     private bool stopPending;
     public void Stop() {
+      if (startPending) return;
       if ((ExecutionState != ExecutionState.Started) && (ExecutionState != ExecutionState.Paused))
         throw new InvalidOperationException(string.Format("Stop not allowed in execution state \"{0}\".",
@@ -716 +725 @@
     public event EventHandler Started;
     private void OnStarted() {
+      startPending = false;
       ExecutionState = ExecutionState.Started;
       EventHandler handler = Started;