public StageSeed(IStageSeedConfig config, StageSeedOptions options)
: base(options?.CancellationToken ?? CancellationToken.None)
{
Contracts.Requires.That(config != null);
Contracts.Requires.That(options != null);
this.StageIdentity = config.StageIdentity;
this.GeneratingPhases = config.PhasesToGenerate.GetIdentities();
this.phasesToGenerate = config.PhasesToGenerate.AddExceptionFiltering();
this.postGeneration = options.PostGeneration ?? new NullAsyncCompletable();
this.ProgressTotalCount = this.phasesToGenerate.Select(phase => phase.ProgressTotalCount).Sum();
// Enumerable.Aggregate is used to combine all the phases' progresses into a single observable
this.Progress = this.phasesToGenerate.Aggregate(
Observable.Empty <GenerationPhaseProgress>(),
(progress, phase) => progress
.Concat(Observable.Return(new GenerationPhaseProgress(
phase, $"Initializing {phase.PhaseIdentity.Name}", 0, this.ProgressTotalCount)))
.Concat(phase.Progress)
.Concat(Observable.Return(new GenerationPhaseProgress(
phase, $"Completed {phase.PhaseIdentity.Name}", 0, this.ProgressTotalCount))),
progress => progress.Accumulate());
}
public StageSeed(IStageSeedConfig config)
: this(config, new StageSeedOptions())
{
}
