feat: read Plant 3D Ortho context and viewports
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codex
@@ -0,0 +1,206 @@
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using System.Security.Cryptography;
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using System.Text;
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using Autodesk.AutoCAD.ApplicationServices;
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using Autodesk.ProcessPower.DataLinks;
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using Autodesk.ProcessPower.P3dProjectParts;
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using Autodesk.ProcessPower.PlantInstance;
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using Autodesk.ProcessPower.ProjectManager;
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using PRecAnnot.Abstractions;
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using AcadApplication = Autodesk.AutoCAD.ApplicationServices.Application;
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namespace PRecAnnot.Plant3D2026;
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internal sealed class PlantRuntimeContextReader : IPlantRuntimeContextReader
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{
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public PlantRuntimeContext ReadCurrentContext()
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{
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var document = AcadApplication.DocumentManager.MdiActiveDocument;
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if (document is null)
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{
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return Empty(false, false, "NO_ACTIVE_DOCUMENT", "Активный документ отсутствует.");
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}
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PlantProject? project;
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try { project = PlantApplication.CurrentProject; }
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catch (Exception exception)
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{
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return Empty(true, false, "PLANT_PROJECT_READ_FAILED", exception.GetType().Name);
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}
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if (project is null)
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{
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return Empty(true, false, "NO_PLANT_PROJECT", "Активный Plant 3D-проект не найден.");
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}
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OrthoProject? orthoProject;
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try { orthoProject = PlantApplication.ProjectPart("Ortho") as OrthoProject; }
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catch (Exception exception)
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{
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return Empty(true, true, "ORTHO_PROJECT_PART_READ_FAILED", exception.GetType().Name);
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}
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if (orthoProject is null)
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{
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return Empty(true, true, "ORTHO_PROJECT_PART_UNAVAILABLE", "Ortho project part недоступен.", OrthoDetectionStatus.Unsupported, "ProjectPart(Ortho)");
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}
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try
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{
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string resolvedPath;
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var isOrtho = OrthoDocUtils.IsValidOrthoDrawing(document.Name, orthoProject, out resolvedPath);
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if (!isOrtho)
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{
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return Empty(true, true, "NOT_ORTHO_DRAWING", "OrthoDocUtils.IsValidOrthoDrawing вернул false.", OrthoDetectionStatus.NotOrtho, "Ortho project part", "OrthoDocUtils.IsValidOrthoDrawing=false");
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}
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var viewports = new PlantOrthoViewportReader(orthoProject, document.Name).ReadViewports(CancellationToken.None);
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return new PlantRuntimeContext
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{
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HasActiveDocument = true,
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HasPlantProject = true,
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IsOrthoDrawing = true,
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DrawingName = Path.GetFileName(document.Name),
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ProjectDisplayName = project.Name,
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Viewports = viewports,
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Diagnostics = Array.Empty<RuntimeDiagnostic>(),
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Detection = new OrthoDetectionResult
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{
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Status = OrthoDetectionStatus.Confirmed,
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Evidence = new[] { "ProjectPart(Ortho)", "OrthoDocUtils.IsValidOrthoDrawing=true", "DwgSheetDefinitions" },
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Diagnostics = Array.Empty<RuntimeDiagnostic>()
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}
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};
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}
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catch (Exception exception)
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{
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return Empty(true, true, "ORTHO_DETECTION_FAILED", exception.GetType().Name, OrthoDetectionStatus.Failed, "ProjectPart(Ortho)");
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}
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}
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private static PlantRuntimeContext Empty(bool hasDocument, bool hasProject, string code, string message, OrthoDetectionStatus status = OrthoDetectionStatus.NotOrtho, params string[] evidence) => new()
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{
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HasActiveDocument = hasDocument,
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HasPlantProject = hasProject,
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IsOrthoDrawing = false,
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Diagnostics = new[] { new RuntimeDiagnostic { Code = code, Message = message } },
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Detection = new OrthoDetectionResult { Status = status, Evidence = evidence, Diagnostics = new[] { new RuntimeDiagnostic { Code = code, Message = message } } }
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};
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}
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internal sealed class PlantOrthoViewportReader : IOrthoViewportReader
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{
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private readonly OrthoProject project;
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private readonly string drawingName;
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public PlantOrthoViewportReader(OrthoProject project, string drawingName)
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{
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this.project = project;
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this.drawingName = Path.GetFileName(drawingName);
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}
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public IReadOnlyList<OrthoViewportInfo> ReadViewports(CancellationToken cancellationToken)
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{
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var result = new List<OrthoViewportInfo>();
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foreach (var sheet in project.DwgSheetDefinitions.AsArray())
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{
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cancellationToken.ThrowIfCancellationRequested();
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if (!string.Equals(Path.GetFileName(sheet.DwgName), drawingName, StringComparison.OrdinalIgnoreCase)) continue;
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foreach (var view in sheet.DwgViewDefs.AsArray())
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{
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try
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{
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cancellationToken.ThrowIfCancellationRequested();
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var id = StableId(sheet.DwgGuid.ToString(), view.ViewName);
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result.Add(new OrthoViewportInfo
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{
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Id = id,
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DisplayName = view.ViewName,
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CenterX = view.CenterPoint.X,
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CenterY = view.CenterPoint.Y,
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Width = view.ViewWidth,
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Height = view.ViewHeight,
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Scale = view.ViewScale,
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TwistAngle = 0,
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IsOn = true,
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IsLocked = false,
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SourceDrawingName = sheet.DwgName,
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ViewName = view.ViewName
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});
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}
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catch
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{
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// One malformed view must not abort the remaining read-only analysis.
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}
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}
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}
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return result.OrderByDescending(x => x.CenterY).ThenBy(x => x.CenterX).ThenBy(x => x.Id, StringComparer.Ordinal).ToArray();
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}
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private static string StableId(string sheetId, string viewName)
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{
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var hash = SHA256.HashData(Encoding.UTF8.GetBytes(sheetId + "|" + viewName));
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return "vp-" + Convert.ToHexString(hash)[..20];
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}
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}
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internal sealed class PlantObjectReader : IPlantObjectReader
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{
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public IReadOnlyList<PlantObjectSnapshot> ReadObjects(OrthoViewportInfo viewport, CancellationToken cancellationToken)
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{
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var document = AcadApplication.DocumentManager.MdiActiveDocument;
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if (document is null) return Array.Empty<PlantObjectSnapshot>();
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DataLinksManager? dataLinks;
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try { dataLinks = PlantApplication.ProjectPart("Piping")?.DataLinksManager; }
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catch { return Array.Empty<PlantObjectSnapshot>(); }
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if (dataLinks is null) return Array.Empty<PlantObjectSnapshot>();
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var snapshots = new List<PlantObjectSnapshot>();
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foreach (var rowId in dataLinks.SelectAcPpRowIds(document.Database))
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{
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try
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{
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cancellationToken.ThrowIfCancellationRequested();
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var className = dataLinks.GetObjectClassname(rowId);
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var properties = dataLinks.GetAllProperties(rowId, true)
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.GroupBy(x => x.Key, StringComparer.OrdinalIgnoreCase)
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.ToDictionary(x => x.Key, x => x.Last().Value, StringComparer.OrdinalIgnoreCase);
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string? Value(params string[] names) => properties.FirstOrDefault(x => names.Any(name => string.Equals(name, x.Key, StringComparison.OrdinalIgnoreCase))).Value;
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snapshots.Add(new PlantObjectSnapshot
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{
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SnapshotId = StableId(Path.GetFileName(document.Name), rowId, className),
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ObjectClass = className ?? string.Empty,
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Tag = Value("Tag", "TAG"),
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LineNumber = Value("Line Number", "LineNumber", "LINENUMBER"),
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SupportNumber = Value("Support Number", "SupportNumber"),
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EquipmentNumber = Value("Equipment Number", "EquipmentNumber"),
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Geometry = new GeometrySnapshot(),
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Properties = properties.ToDictionary(x => x.Key, x => (string?)x.Value, StringComparer.OrdinalIgnoreCase),
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Diagnostics = new[] { "GEOMETRY_NOT_MAPPED" }
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});
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}
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catch
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{
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// Keep the read path best-effort; no write operation is attempted.
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}
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}
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return snapshots.OrderBy(x => x.SnapshotId, StringComparer.Ordinal).ToArray();
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}
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private static string StableId(string drawingName, int rowId, string? className)
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{
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var hash = SHA256.HashData(Encoding.UTF8.GetBytes($"{drawingName}|{rowId}|{className}"));
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return "obj-" + Convert.ToHexString(hash)[..24];
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}
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}
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internal sealed class RuntimeWriteGuard(PRecAnnotExecutionMode mode) : IRuntimeWriteGuard
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{
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public void EnsureWriteAllowed(string operation)
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{
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if (mode == PRecAnnotExecutionMode.Apply) throw new InvalidOperationException("APPLY_MODE_NOT_IMPLEMENTED");
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throw new InvalidOperationException("SMOKE_WRITE_BLOCKED");
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}
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}
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