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feat(engine): execute inventory-bounded multi-plate jobs

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aj
2026-09-17 13:55:11 -04:00
parent 71dffce72c
commit 0963b051be
9 changed files with 659 additions and 9 deletions
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OpenNest.Engine/Jobs/NestJobRunner.cs
+58 -6
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@@ -1,15 +1,19 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
namespace OpenNest;
/// <summary>Contract-stage runner: empty jobs only. Nonempty allocation is not implemented yet.</summary>
/// <summary>
/// Single-stock physical-sheet allocation. Candidate accounting is validated before commit;
/// full geometry, clearance, and rotation-policy validation is not implemented yet.
/// </summary>
public sealed class NestJobRunner : INestingEngine
{
private readonly Func<string, IPlateNester> plateNesterFactory;
/// <summary>Stores a runner-local strategy factory; never consults the global engine registry.</summary>
/// <summary>Runner-local strategy resolution. A factory must reject unknown keys or return null.</summary>
public NestJobRunner(Func<string, IPlateNester> plateNesterFactory)
{
ArgumentNullException.ThrowIfNull(plateNesterFactory);
@@ -21,10 +25,58 @@ public sealed class NestJobRunner : INestingEngine
{
ArgumentNullException.ThrowIfNull(job);
token.ThrowIfCancellationRequested();
NestJobValidator.Validate(job);
var plates = new List<NestJobPlateResult>();
var remaining = job.Parts.ToDictionary(p => p.Id, p => p.Quantity, StringComparer.Ordinal);
var placed = job.Parts.ToDictionary(p => p.Id, _ => 0, StringComparer.Ordinal);
var reason = NestJobStopReason.Completed;
if (job.Parts.Count != 0)
throw new NotSupportedException("Whole-job allocation is not implemented yet; only empty jobs are supported.");
return new NestJobResult(NestJobStatus.Complete, NestJobStopReason.Completed,
Array.Empty<NestJobPlateResult>(), Array.Empty<PartFulfillment>(),
job.Plates.Select(stock => new StockUsage(stock.Id, 0, stock.Quantity)));
{
var nester = plateNesterFactory(job.Options.PlacementStrategy) ??
throw new NotSupportedException($"Unknown placement strategy: {job.Options.PlacementStrategy}.");
var stock = job.Plates.SingleOrDefault();
while (remaining.Values.Any(count => count > 0))
{
token.ThrowIfCancellationRequested();
if (stock == null || stock.Quantity <= plates.Count)
{
reason = NestJobStopReason.StockExhausted;
break;
}
if (job.Options.MaxPlates <= plates.Count)
{
reason = NestJobStopReason.PlateLimitReached;
break;
}
var request = new PlatePlacementRequest(stock, job.Parts.Where(p => remaining[p.Id] > 0)
.Select(p => new NestJobPart(p.Id, p.Geometry, remaining[p.Id], p.Priority, p.Rotation)));
progress?.Report(new NestJobProgress(NestJobStage.EvaluatingCandidate, stock.Id,
plates.Count, plates.Count, placed.Values.Sum()));
token.ThrowIfCancellationRequested();
// Do not forward legacy/candidate progress as committed production.
var candidate = nester.Place(request, token: token);
token.ThrowIfCancellationRequested();
NestJobValidator.ValidateCandidate(candidate, remaining);
if (candidate.Placements.Count == 0)
{
reason = NestJobStopReason.NoPlacementFound;
break;
}
var committed = new List<NestJobPlacement>();
foreach (var pose in candidate.Placements)
{
committed.Add(pose with { InstanceIndex = placed[pose.PartId]++ });
remaining[pose.PartId]--;
}
plates.Add(new NestJobPlateResult(plates.Count, stock, committed));
progress?.Report(new NestJobProgress(NestJobStage.PlateCommitted, stock.Id,
plates.Count - 1, plates.Count, placed.Values.Sum()));
}
}
token.ThrowIfCancellationRequested();
return new NestJobResult(reason == NestJobStopReason.Completed ? NestJobStatus.Complete : NestJobStatus.Incomplete,
reason, plates, job.Parts.Select(p => new PartFulfillment(p.Id, p.Quantity, placed[p.Id], remaining[p.Id])),
job.Plates.Select(stock => new StockUsage(stock.Id, plates.Count(p => p.StockId == stock.Id),
stock.Quantity - plates.Count(p => p.StockId == stock.Id))));
}
}