public void Evaluate(int spreadMax)
{
Synchronizing?.Invoke(this, EventArgs.Empty);
var buildResult = FBuildResult;
if (buildResult.Error != null)
{
// This way the vvvv plugin node stays red
PluginHost.LastRuntimeError = buildResult.Error;
return;
}
else if (!string.IsNullOrEmpty(buildResult.SymbolError))
{
PluginHost.LastRuntimeError = buildResult.SymbolError;
}
var runtimeHost = FRuntimeHost;
if (runtimeHost.Mode == RunMode.Paused || runtimeHost.Mode == RunMode.Stopped)
{
if (FMessages.Errors.Any())
{
PluginHost.LastRuntimeError = FMessages.Errors.FirstOrDefault().What;
}
return;
}
var x = Clocks.FrameClock.Time; // hack. make sure that somebody is interested in time. otherwise HDEFrameClock observable will not trigger.
try
{
RuntimeGraph.HandleException(NodeId);
spreadMax = StreamUtils.GetSpreadMax(FInStreams);
// Prepare internal state
if (FInstances.Length != spreadMax)
{
var instanceType = buildResult.InstanceType;
if (instanceType != null)
{
FInstances.Resize(spreadMax, () => buildResult.Factory.CreateInstance(instanceType, FInstanceId), value => Dispose(value));
}
else
{
FInstances.Resize(spreadMax, () => null, value => Dispose(value));
}
}
buildResult.EvaluateAction(spreadMax, FInstances, FInStreams, FOutStreams);
}
catch (RuntimeException exception)
{
// Collect the exception messages
foreach (var p in exception.ExtractElementMessages(runtimeHost.Compilation.Compilation))
{
FMessages.Add(p.Key.TracingId, MessageSeverity.Error, p.Value);
}
// Let others know about it
runtimeHost.RaiseOnException(exception);
// And finally tell vvvv about it
throw exception.Original;
}
finally
{
Flushing?.Invoke(this, EventArgs.Empty);
}
}