public void TestCancel()
{
var tokenSource = new CancellationTokenSource();
var inputs = new[] { 42, 43, 44, 45 };
var ibw = EnumerativeBackgroundWorker.Make
(
inputs,
(i, c) => IterationResult.Make(i + 1, ProgressStatus.StepComplete)
);
var nextResult = 0;
ibw.OnIterationResult.Subscribe(
r =>
{
nextResult = r.Data;
tokenSource.Cancel();
});
ibw.Start(tokenSource);
Thread.Sleep(100);
Assert.IsTrue(ibw.CurrentOutput < 46);
Assert.IsTrue(ibw.CurrentIteration < inputs.Length);
Assert.AreEqual(ibw.CurrentOutput, nextResult);
}
public async Task OnRunAsync(CancellationTokenSource cancellationTokenSource)
{
var rbw = EnumerativeBackgroundWorker.Make
(
inputs: SorterGenomeEvalGridVmInitial.SorterGenomeEvalVms
.Select(
ev => new Tuple <ISorterGenomeEval, ISorterMutateParams>
(
ev.SorterGenomeEval,
SorterMutateParamsVm.GetParams
)),
mapper: (s, c) =>
{
return(IterationResult.Make
(
data: s.Item1.ToSgMutantProfile(s.Item2),
progressStatus: ProgressStatus.StepComplete
));
}
);
Busy = true;
//_cancellationTokenSource = cancellationTokenSource;
rbw.OnIterationResult.Subscribe(UpdateSorterMutateResults);
await rbw.Start(cancellationTokenSource);
Busy = false;
}
public void TestError()
{
var tokenSource = new CancellationTokenSource();
const int initialState = 42;
const int totalIterations = 10;
var ibw = RecursiveBackgroundWorker.Make
(
initialState,
(i, c) =>
{
Thread.Sleep(10);
return(IterationResult.Make(i + 1, ProgressStatus.Error));
},
totalIterations,
tokenSource
);
var nextResult = initialState;
ibw.OnIterationResult.Subscribe(
r =>
{
nextResult = r.Data;
});
ibw.Start();
Thread.Sleep(100);
Assert.AreEqual(ibw.CurrentState, nextResult);
Assert.AreEqual(ibw.CurrentState, initialState);
Assert.AreEqual(ibw.CurrentIteration, 0);
}
public void TestCtor()
{
var inputs = new[] { 42, 43, 44, 45 };
var ibw = EnumerativeBackgroundWorker.Make
(
inputs,
(i, c) => IterationResult.Make(i + 1, ProgressStatus.StepComplete)
);
Assert.AreEqual(ibw.CurrentInput, inputs[0]);
Assert.AreEqual(ibw.CurrentIteration, 0);
Assert.AreEqual(ibw.TotalIterations, inputs.Count());
}
async Task GenerateSamples()
{
Busy = true;
var samplerParams = GetSorterSamplerParams(KeyCount.Value);
_stopwatch.Reset();
_stopwatch.Start();
_cancellationTokenSource = new CancellationTokenSource();
var rando = Rando.Fast(Seed.Value);
var inputs = Enumerable.Range(0, 10000).Select(t => rando.NextInt());
IEnumerativeBackgroundWorker <int, SorterSamplerResults> ibw = EnumerativeBackgroundWorker.Make
(
inputs: inputs,
mapper: (i, c) =>
{
var sorterSamplerResults = SorterRandomSampler.SorterSampler(
keyCount: KeyCount.Value,
switchCount: samplerParams.SwitchCount,
histogramMin: samplerParams.HistogramMin,
histogramMax: samplerParams.HistogramMax,
seed: i,
repCount: ReportFrequency.Value,
lowRangeMax: LowRangeMax.Value,
highRangeMin: HighRangeMin.Value,
cancellationToken: _cancellationTokenSource.Token
);
if (sorterSamplerResults.WasCancelled)
{
return(IterationResult.Make(default(SorterSamplerResults), ProgressStatus.StepIncomplete));
}
return(IterationResult.Make(sorterSamplerResults, ProgressStatus.StepComplete));
}
);
ibw.OnIterationResult.Subscribe(UpdateSorterSamplerResults);
await ibw.Start(_cancellationTokenSource);
Busy = false;
_stopwatch.Stop();
CommandManager.InvalidateRequerySuggested();
}
public async Task OnRunAsync(CancellationTokenSource cancellationTokenSource)
{
Busy = true;
_cancellationTokenSource = cancellationTokenSource;
var rando = Rando.Fast(ScpParamsVm.Seed);
var rbw = RecursiveBackgroundWorker.Make
(
initialState: ScpWorkflow.Make
(
sorterLayer: SorterLayer.Make(
sorterGenomes: _sorterGenomeEvals.Select(e => e.Value.SorterGenome),
generation: ScpParamsVm.CurrentGeneration
),
scpParams: ScpParamsVm.GetParams,
generation: ScpParamsVm.CurrentGeneration
),
recursion: (i, c) =>
{
var nextStep = i;
while (true)
{
if (_cancellationTokenSource.IsCancellationRequested)
{
return(IterationResult.Make <IScpWorkflow>(null, ProgressStatus.StepIncomplete));
}
nextStep = nextStep.Step(rando.NextInt());
if (nextStep.CompWorkflowState == CompWorkflowState.ReproGenomes)
{
return(IterationResult.Make(nextStep, ProgressStatus.StepComplete));
}
}
},
totalIterations: ScpParamsVm.TotalGenerations - ScpParamsVm.CurrentGeneration,
cancellationTokenSource: _cancellationTokenSource
);
rbw.OnIterationResult.Subscribe(UpdateSorterTuneResults);
await rbw.Start();
Busy = false;
}
public void TestCtor()
{
var tokenSource = new CancellationTokenSource();
const int initialState = 42;
const int totalIterations = 10;
var ibw = RecursiveBackgroundWorker.Make
(
initialState,
(i, c) => IterationResult.Make(i + 1, ProgressStatus.StepComplete),
totalIterations,
tokenSource
);
Assert.AreEqual(ibw.CurrentState, initialState);
Assert.AreEqual(ibw.CurrentIteration, 0);
Assert.AreEqual(ibw.TotalIterations, totalIterations);
}
public void TestUpdate()
{
var tokenSource = new CancellationTokenSource();
var inputs = new[] { 42, 43, 44, 45 };
var ibw = EnumerativeBackgroundWorker.Make
(
inputs,
(i, c) => IterationResult.Make(i + 1, ProgressStatus.StepComplete)
);
var nextResult = 0;
ibw.OnIterationResult.Subscribe(r => nextResult = r.Data);
ibw.Start(tokenSource);
Thread.Sleep(100);
Assert.AreEqual(ibw.CurrentInput, default(int));
Assert.AreEqual(ibw.CurrentIteration, inputs.Count());
Assert.AreEqual(ibw.TotalIterations, inputs.Count());
Assert.AreEqual(ibw.CurrentOutput, 46);
}
public void TestUpdate()
{
var tokenSource = new CancellationTokenSource();
const int initialState = 42;
const int totalIterations = 10;
var ibw = RecursiveBackgroundWorker.Make
(
initialState,
(i, c) => IterationResult.Make(i + 1, ProgressStatus.StepComplete),
totalIterations,
tokenSource
);
var nextResult = 0;
ibw.OnIterationResult.Subscribe(r => nextResult = r.Data);
ibw.Start();
Thread.Sleep(100);
Assert.AreEqual(ibw.CurrentState, nextResult);
Assert.AreEqual(ibw.CurrentIteration, totalIterations);
}