public void Explore <TBuilderArgs>(
ExplorerContextBuilder <TBuilderArgs> contextBuilder,
TBuilderArgs builderArgs)
{
MainTask = Task.Run(
async() =>
{
// Validation
await RunStage(
ExplorationStatus.Validating,
async() =>
{
var contexts = await contextBuilder.Build(builderArgs, cancellationTokenSource.Token);
var mergedContext = contexts.Aggregate((ctx1, ctx2) => ctx1.Merge(ctx2));
SamplesToPublish = mergedContext.SamplesToPublish;
var singleColumnScopes = contexts
.Select(context => scopeBuilder.Build(explorationRootContainer.GetNestedContainer(), context))
.ToList();
ColumnExplorations = singleColumnScopes
.Select(scope => new ColumnExploration(scope))
.ToImmutableArray();
if (MultiColumnEnabled)
{
var multiColumnScopeBuilder = new MultiColumnScopeBuilder(
singleColumnScopes.Select(_ => _.MetricsPublisher));
MultiColumnExploration = new MultiColumnExploration(
multiColumnScopeBuilder.Build(
explorationRootContainer.GetNestedContainer(),
mergedContext));
}
});
// Analyses
await RunStage(
ExplorationStatus.Processing,
async() =>
{
await Task.WhenAll(ColumnExplorations.Select(ce => ce.Completion));
cancellationTokenSource.Token.ThrowIfCancellationRequested();
await(MultiColumnExploration?.Completion ?? Task.CompletedTask);
});
// Completed successfully
Status = ExplorationStatus.Complete;
},
cancellationTokenSource.Token);
}
private List <List <object?> > UncorrelatedSampleRows(int rowCount)
{
var uncorrelatedSampleRows = new List <List <object?> >(
Enumerable.Range(0, rowCount).Select(_ => new List <object?>()));
foreach (var uncorrelatedSampleColumn in ColumnExplorations
.Select(ce => (IEnumerable?)ce.PublishedMetrics
.SingleOrDefault(m => m.Name == "sample_values")?.Metric)
.Select(metric => metric?.Cast <object?>() ?? Array.Empty <object?>()))
{
for (var i = 0; i < rowCount; i++)
{
uncorrelatedSampleRows[i].Add(uncorrelatedSampleColumn.ElementAtOrDefault(i));
}
}
return(uncorrelatedSampleRows);
}
