Joseph Doherty
486 lines
24 KiB
C#
486 lines
24 KiB
C#
using System.Text.Json;
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using ZB.MOM.WW.OtOpcUa.OpcUaServer;
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namespace ZB.MOM.WW.OtOpcUa.Runtime.Drivers;
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/// <summary>
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/// Minimal driver-side view of the deployment artifact emitted by
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/// <c>ConfigComposer.SnapshotAndFlattenAsync</c>. The artifact JSON is the full snapshot —
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/// for driver spawning we only need the <c>DriverInstances</c> array. Reading just the
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/// subset keeps allocations cheap on every deploy.
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/// </summary>
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public sealed record DriverInstanceSpec(
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Guid DriverInstanceRowId,
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string DriverInstanceId,
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string Name,
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string DriverType,
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bool Enabled,
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string DriverConfig,
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string? ClusterId = null);
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/// <summary>How a node should scope a deployment artifact to its own ClusterId.</summary>
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public enum ClusterFilterMode
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{
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/// <summary>Apply everything (single-cluster / legacy deployments).</summary>
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None,
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/// <summary>Filter the artifact to the node's own ClusterId.</summary>
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ScopeTo,
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/// <summary>Apply nothing (node's cluster row not found in a multi-cluster artifact).</summary>
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Suppress,
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}
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/// <summary>Resolved scoping decision for a node against an artifact.</summary>
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/// <param name="Mode">
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/// None = apply everything (single-cluster / legacy); ScopeTo = filter to <paramref name="ClusterId"/>;
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/// Suppress = apply nothing.
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/// </param>
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/// <param name="ClusterId">The node's ClusterId when <paramref name="Mode"/> is ScopeTo; otherwise null.</param>
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public readonly record struct ClusterScope(ClusterFilterMode Mode, string? ClusterId);
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public static class DeploymentArtifact
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{
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private static readonly JsonSerializerOptions JsonOptions = new()
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{
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PropertyNameCaseInsensitive = true,
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};
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/// <summary>
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/// Parse a deployment artifact blob into the list of driver-instance specs to spawn.
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/// Empty / malformed blobs return an empty list — callers log + treat as "no drivers".
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/// </summary>
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/// <param name="blob">The deployment artifact blob to parse.</param>
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public static IReadOnlyList<DriverInstanceSpec> ParseDriverInstances(ReadOnlySpan<byte> blob)
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{
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if (blob.IsEmpty) return Array.Empty<DriverInstanceSpec>();
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try
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{
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using var doc = JsonDocument.Parse(blob.ToArray());
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if (!doc.RootElement.TryGetProperty("DriverInstances", out var arr)
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|| arr.ValueKind != JsonValueKind.Array)
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{
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return Array.Empty<DriverInstanceSpec>();
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}
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var result = new List<DriverInstanceSpec>(arr.GetArrayLength());
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foreach (var el in arr.EnumerateArray())
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{
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if (el.ValueKind != JsonValueKind.Object) continue;
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var spec = TryReadSpec(el);
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if (spec is not null) result.Add(spec);
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}
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return result;
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}
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catch (JsonException)
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{
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return Array.Empty<DriverInstanceSpec>();
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}
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}
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/// <summary>
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/// Resolve how a node should scope a deployment artifact to its own ClusterId. Single-cluster
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/// (or legacy) artifacts resolve to <see cref="ClusterFilterMode.None"/> so every existing
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/// deployment applies unchanged. In a multi-cluster artifact the node's <c>ClusterNode</c> row
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/// (matched by <paramref name="nodeId"/>) selects <see cref="ClusterFilterMode.ScopeTo"/> its
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/// ClusterId; a missing row resolves to <see cref="ClusterFilterMode.Suppress"/>. Empty /
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/// malformed blobs resolve to <see cref="ClusterFilterMode.None"/> (lenient, matching the
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/// other parsers).
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/// </summary>
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/// <param name="blob">The deployment artifact blob to inspect.</param>
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/// <param name="nodeId">The node's identity (e.g. "central-1:4053") to match against <c>Nodes</c>.</param>
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/// <returns>The resolved <see cref="ClusterScope"/> decision for this node.</returns>
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public static ClusterScope ResolveClusterScope(ReadOnlySpan<byte> blob, string nodeId)
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{
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if (blob.IsEmpty) return new ClusterScope(ClusterFilterMode.None, null);
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try
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{
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using var doc = JsonDocument.Parse(blob.ToArray());
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var root = doc.RootElement;
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var clusterCount = root.TryGetProperty("Clusters", out var cl) && cl.ValueKind == JsonValueKind.Array
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? cl.GetArrayLength() : 0;
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if (clusterCount <= 1) return new ClusterScope(ClusterFilterMode.None, null);
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string? myCluster = null;
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if (root.TryGetProperty("Nodes", out var nodes) && nodes.ValueKind == JsonValueKind.Array)
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{
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foreach (var el in nodes.EnumerateArray())
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{
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if (el.ValueKind != JsonValueKind.Object) continue;
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var nid = el.TryGetProperty("NodeId", out var nEl) ? nEl.GetString() : null;
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if (!string.Equals(nid, nodeId, StringComparison.Ordinal)) continue;
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myCluster = el.TryGetProperty("ClusterId", out var cEl) ? cEl.GetString() : null;
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break;
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}
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}
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return string.IsNullOrWhiteSpace(myCluster)
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? new ClusterScope(ClusterFilterMode.Suppress, null)
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: new ClusterScope(ClusterFilterMode.ScopeTo, myCluster);
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}
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catch (JsonException)
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{
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return new ClusterScope(ClusterFilterMode.None, null);
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}
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}
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/// <summary>
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/// Parse a deployment artifact blob into the driver-instance specs a specific node should
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/// spawn, scoped to its own ClusterId via <see cref="ResolveClusterScope"/>. Single-cluster /
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/// legacy artifacts return every spec; a multi-cluster artifact returns only the matching
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/// cluster's specs (or none when the node's row is absent).
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/// </summary>
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/// <param name="blob">The deployment artifact blob to parse.</param>
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/// <param name="nodeId">The node's identity (e.g. "central-1:4053") used to resolve cluster scope.</param>
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/// <returns>The driver-instance specs this node should spawn.</returns>
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public static IReadOnlyList<DriverInstanceSpec> ParseDriverInstances(ReadOnlySpan<byte> blob, string nodeId)
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{
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var scope = ResolveClusterScope(blob, nodeId);
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var all = ParseDriverInstances(blob);
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return scope.Mode switch
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{
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ClusterFilterMode.Suppress => Array.Empty<DriverInstanceSpec>(),
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ClusterFilterMode.ScopeTo => all.Where(
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s => string.Equals(s.ClusterId, scope.ClusterId, StringComparison.Ordinal)).ToArray(),
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_ => all,
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};
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}
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private static DriverInstanceSpec? TryReadSpec(JsonElement el)
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{
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var rowId = el.TryGetProperty("DriverInstanceRowId", out var rowEl)
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&& rowEl.TryGetGuid(out var rid) ? rid : Guid.Empty;
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var id = el.TryGetProperty("DriverInstanceId", out var idEl) ? idEl.GetString() : null;
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var name = el.TryGetProperty("Name", out var nameEl) ? nameEl.GetString() : null;
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var type = el.TryGetProperty("DriverType", out var typeEl) ? typeEl.GetString() : null;
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var enabled = !el.TryGetProperty("Enabled", out var enEl) || enEl.GetBoolean();
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var config = el.TryGetProperty("DriverConfig", out var cfgEl) ? cfgEl.GetString() : null;
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var clusterId = el.TryGetProperty("ClusterId", out var clEl) ? clEl.GetString() : null;
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if (string.IsNullOrWhiteSpace(id) || string.IsNullOrWhiteSpace(type)) return null;
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return new DriverInstanceSpec(
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DriverInstanceRowId: rowId,
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DriverInstanceId: id!,
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Name: name ?? id!,
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DriverType: type!,
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Enabled: enabled,
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DriverConfig: config ?? "{}",
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ClusterId: clusterId);
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}
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/// <summary>
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/// Parse the artifact into the projected <see cref="Phase7CompositionResult"/> used by
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/// <c>Phase7Planner</c> + <c>Phase7Applier</c>. Returns an empty composition for empty/
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/// malformed blobs so callers can treat parse failure as a no-op deploy.
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///
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/// The artifact JSON is produced by <c>ConfigComposer.SnapshotAndFlattenAsync</c> in the
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/// ControlPlane — its Pascal-case property names match the EF entities. We only need a
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/// subset of fields per entity class to drive the address-space rebuild on driver-role
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/// nodes.
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/// </summary>
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/// <param name="blob">The deployment artifact blob to parse.</param>
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public static Phase7CompositionResult ParseComposition(ReadOnlySpan<byte> blob)
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{
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if (blob.IsEmpty) return Empty();
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try
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{
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using var doc = JsonDocument.Parse(blob.ToArray());
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var root = doc.RootElement;
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var areas = ReadArray(root, "UnsAreas", ReadAreaProjection);
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var lines = ReadArray(root, "UnsLines", ReadLineProjection);
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var equipment = ReadArray(root, "Equipment", ReadEquipmentNode);
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var drivers = ReadArray(root, "DriverInstances", ReadDriverPlan);
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var alarms = ReadArray(root, "ScriptedAlarms", ReadAlarmPlan);
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var galaxyTags = BuildGalaxyTagPlans(root, drivers);
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var equipmentTags = BuildEquipmentTagPlans(root);
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return new Phase7CompositionResult(areas, lines, equipment, drivers, alarms, galaxyTags)
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{
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EquipmentTags = equipmentTags,
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};
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}
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catch (JsonException)
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{
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return Empty();
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}
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}
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private static Phase7CompositionResult Empty() => new(
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Array.Empty<UnsAreaProjection>(),
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Array.Empty<UnsLineProjection>(),
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Array.Empty<EquipmentNode>(),
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Array.Empty<DriverInstancePlan>(),
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Array.Empty<ScriptedAlarmPlan>(),
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Array.Empty<GalaxyTagPlan>());
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/// <summary>
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/// Cross-reference the artifact's Tags + Namespaces + DriverInstances arrays to find
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/// SystemPlatform-namespace tags (Galaxy hierarchy), then emit one <see cref="GalaxyTagPlan"/>
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/// per qualifying tag. Mirrors <c>Phase7Composer.Compose</c>'s filter so a compose-side
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/// plan and an artifact-decode plan agree on the same set of tags.
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/// </summary>
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private static IReadOnlyList<GalaxyTagPlan> BuildGalaxyTagPlans(JsonElement root, IReadOnlyList<DriverInstancePlan> drivers)
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{
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if (!root.TryGetProperty("Tags", out var tagsArr) || tagsArr.ValueKind != JsonValueKind.Array)
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return Array.Empty<GalaxyTagPlan>();
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if (!root.TryGetProperty("Namespaces", out var nsArr) || nsArr.ValueKind != JsonValueKind.Array)
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return Array.Empty<GalaxyTagPlan>();
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if (!root.TryGetProperty("DriverInstances", out var diArr) || diArr.ValueKind != JsonValueKind.Array)
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return Array.Empty<GalaxyTagPlan>();
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// namespaceId → Kind ("SystemPlatform"/"Equipment"/"Simulated") — enum serialises as int by default,
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// but ConfigComposer's snapshot uses default JsonSerializer which writes numbers. Tolerate both.
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var systemPlatformNamespaces = new HashSet<string>(StringComparer.Ordinal);
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foreach (var el in nsArr.EnumerateArray())
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{
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if (el.ValueKind != JsonValueKind.Object) continue;
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var id = el.TryGetProperty("NamespaceId", out var idEl) ? idEl.GetString() : null;
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if (string.IsNullOrWhiteSpace(id)) continue;
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if (!el.TryGetProperty("Kind", out var kindEl)) continue;
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var isSystemPlatform = kindEl.ValueKind switch
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{
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JsonValueKind.Number => kindEl.GetInt32() == 1, // NamespaceKind.SystemPlatform = 1
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JsonValueKind.String => string.Equals(kindEl.GetString(), "SystemPlatform", StringComparison.Ordinal),
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_ => false,
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};
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if (isSystemPlatform) systemPlatformNamespaces.Add(id!);
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}
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// driverInstanceId → namespaceId
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var driverToNamespace = new Dictionary<string, string>(StringComparer.Ordinal);
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foreach (var el in diArr.EnumerateArray())
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{
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if (el.ValueKind != JsonValueKind.Object) continue;
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var id = el.TryGetProperty("DriverInstanceId", out var idEl) ? idEl.GetString() : null;
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var ns = el.TryGetProperty("NamespaceId", out var nsEl) ? nsEl.GetString() : null;
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if (!string.IsNullOrWhiteSpace(id) && !string.IsNullOrWhiteSpace(ns))
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driverToNamespace[id!] = ns!;
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}
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var result = new List<GalaxyTagPlan>(tagsArr.GetArrayLength());
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foreach (var el in tagsArr.EnumerateArray())
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{
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if (el.ValueKind != JsonValueKind.Object) continue;
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// Skip tags with non-null EquipmentId (Equipment-namespace tags belong to a different path).
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if (el.TryGetProperty("EquipmentId", out var eqEl) && eqEl.ValueKind != JsonValueKind.Null) continue;
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var tagId = el.TryGetProperty("TagId", out var tEl) ? tEl.GetString() : null;
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var di = el.TryGetProperty("DriverInstanceId", out var diEl) ? diEl.GetString() : null;
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var name = el.TryGetProperty("Name", out var nmEl) ? nmEl.GetString() : null;
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var folder = el.TryGetProperty("FolderPath", out var fpEl) && fpEl.ValueKind != JsonValueKind.Null
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? fpEl.GetString() : null;
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var dataType = el.TryGetProperty("DataType", out var dtEl) ? dtEl.GetString() : null;
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if (string.IsNullOrWhiteSpace(tagId) || string.IsNullOrWhiteSpace(di) || string.IsNullOrWhiteSpace(name))
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continue;
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if (!driverToNamespace.TryGetValue(di!, out var nsId)) continue;
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if (!systemPlatformNamespaces.Contains(nsId)) continue;
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var folderPath = folder ?? string.Empty;
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var mxRef = string.IsNullOrWhiteSpace(folderPath) ? name! : $"{folderPath}.{name}";
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result.Add(new GalaxyTagPlan(tagId!, di!, folderPath, name!, dataType ?? "BaseDataType", mxRef));
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}
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result.Sort((a, b) =>
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{
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var byDriver = string.CompareOrdinal(a.DriverInstanceId, b.DriverInstanceId);
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if (byDriver != 0) return byDriver;
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var byFolder = string.CompareOrdinal(a.FolderPath, b.FolderPath);
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if (byFolder != 0) return byFolder;
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return string.CompareOrdinal(a.DisplayName, b.DisplayName);
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});
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return result;
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}
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/// <summary>
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/// Cross-reference the artifact's Tags + Namespaces + DriverInstances arrays to find
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/// Equipment-namespace tags (non-null EquipmentId, owning namespace Kind == Equipment), then
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/// emit one <see cref="EquipmentTagPlan"/> per qualifying tag. The artifact-decode mirror of
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/// <c>Phase7Composer.Compose</c>'s equipment filter — the inverse of <see cref="BuildGalaxyTagPlans"/>
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/// — so the compose-side + artifact-decode plans agree on the same set of tags. FullName is
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/// read from each tag's TagConfig blob (top-level "FullName" field).
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/// </summary>
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private static IReadOnlyList<EquipmentTagPlan> BuildEquipmentTagPlans(JsonElement root)
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{
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if (!root.TryGetProperty("Tags", out var tagsArr) || tagsArr.ValueKind != JsonValueKind.Array)
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return Array.Empty<EquipmentTagPlan>();
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if (!root.TryGetProperty("Namespaces", out var nsArr) || nsArr.ValueKind != JsonValueKind.Array)
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return Array.Empty<EquipmentTagPlan>();
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if (!root.TryGetProperty("DriverInstances", out var diArr) || diArr.ValueKind != JsonValueKind.Array)
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return Array.Empty<EquipmentTagPlan>();
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// namespaceId → Equipment-kind. Kind serialises as a number by default (Equipment = 0);
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// tolerate the string form too (matches BuildGalaxyTagPlans's number/string handling).
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var equipmentNamespaces = new HashSet<string>(StringComparer.Ordinal);
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foreach (var el in nsArr.EnumerateArray())
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{
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if (el.ValueKind != JsonValueKind.Object) continue;
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var id = el.TryGetProperty("NamespaceId", out var idEl) ? idEl.GetString() : null;
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if (string.IsNullOrWhiteSpace(id)) continue;
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if (!el.TryGetProperty("Kind", out var kindEl)) continue;
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var isEquipment = kindEl.ValueKind switch
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{
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JsonValueKind.Number => kindEl.GetInt32() == 0, // NamespaceKind.Equipment = 0
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JsonValueKind.String => string.Equals(kindEl.GetString(), "Equipment", StringComparison.Ordinal),
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_ => false,
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};
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if (isEquipment) equipmentNamespaces.Add(id!);
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}
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// driverInstanceId → namespaceId
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var driverToNamespace = new Dictionary<string, string>(StringComparer.Ordinal);
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foreach (var el in diArr.EnumerateArray())
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{
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if (el.ValueKind != JsonValueKind.Object) continue;
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var id = el.TryGetProperty("DriverInstanceId", out var idEl) ? idEl.GetString() : null;
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var ns = el.TryGetProperty("NamespaceId", out var nsEl) ? nsEl.GetString() : null;
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if (!string.IsNullOrWhiteSpace(id) && !string.IsNullOrWhiteSpace(ns))
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driverToNamespace[id!] = ns!;
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}
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var result = new List<EquipmentTagPlan>(tagsArr.GetArrayLength());
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foreach (var el in tagsArr.EnumerateArray())
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{
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if (el.ValueKind != JsonValueKind.Object) continue;
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// Equipment tags REQUIRE a non-null EquipmentId (the inverse of the Galaxy filter).
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if (!el.TryGetProperty("EquipmentId", out var eqEl) || eqEl.ValueKind == JsonValueKind.Null) continue;
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var equipmentId = eqEl.GetString();
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if (string.IsNullOrWhiteSpace(equipmentId)) continue;
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var tagId = el.TryGetProperty("TagId", out var tidEl) ? tidEl.GetString() : null;
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var di = el.TryGetProperty("DriverInstanceId", out var diEl) ? diEl.GetString() : null;
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var name = el.TryGetProperty("Name", out var nmEl) ? nmEl.GetString() : null;
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var folder = el.TryGetProperty("FolderPath", out var fpEl) && fpEl.ValueKind != JsonValueKind.Null
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? fpEl.GetString() : null;
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var dataType = el.TryGetProperty("DataType", out var dtEl) ? dtEl.GetString() : null;
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var tagConfig = el.TryGetProperty("TagConfig", out var tcEl) && tcEl.ValueKind == JsonValueKind.String
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? tcEl.GetString() : null;
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if (string.IsNullOrWhiteSpace(tagId) || string.IsNullOrWhiteSpace(di) || string.IsNullOrWhiteSpace(name)) continue;
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if (!driverToNamespace.TryGetValue(di!, out var nsId)) continue;
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if (!equipmentNamespaces.Contains(nsId)) continue;
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result.Add(new EquipmentTagPlan(
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TagId: tagId!,
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EquipmentId: equipmentId!,
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DriverInstanceId: di!,
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FolderPath: folder ?? string.Empty,
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Name: name!,
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DataType: dataType ?? "BaseDataType",
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FullName: ExtractTagFullName(tagConfig)));
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}
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result.Sort((a, b) =>
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{
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var byEquipment = string.CompareOrdinal(a.EquipmentId, b.EquipmentId);
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if (byEquipment != 0) return byEquipment;
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var byFolder = string.CompareOrdinal(a.FolderPath, b.FolderPath);
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if (byFolder != 0) return byFolder;
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return string.CompareOrdinal(a.Name, b.Name);
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});
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return result;
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}
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/// <summary>
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/// Extract the driver-side full reference from a tag's TagConfig JSON (top-level "FullName"
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/// field). The artifact-decode mirror of <c>Phase7Composer.ExtractTagFullName</c> /
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/// <c>EquipmentNodeWalker.ExtractFullName</c> — replicated because Runtime does not reference
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/// the Core driver assembly. Falls back to the raw blob when absent or non-JSON.
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/// </summary>
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private static string ExtractTagFullName(string? tagConfig)
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{
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if (string.IsNullOrWhiteSpace(tagConfig)) return tagConfig ?? string.Empty;
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try
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{
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using var doc = JsonDocument.Parse(tagConfig);
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if (doc.RootElement.ValueKind == JsonValueKind.Object
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&& doc.RootElement.TryGetProperty("FullName", out var fullName)
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&& fullName.ValueKind == JsonValueKind.String)
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{
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return fullName.GetString() ?? tagConfig;
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}
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}
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catch (JsonException) { /* fall through to raw blob */ }
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return tagConfig;
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}
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private static IReadOnlyList<T> ReadArray<T>(JsonElement root, string propertyName, Func<JsonElement, T?> reader)
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where T : class
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{
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if (!root.TryGetProperty(propertyName, out var arr) || arr.ValueKind != JsonValueKind.Array)
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return Array.Empty<T>();
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var result = new List<T>(arr.GetArrayLength());
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foreach (var el in arr.EnumerateArray())
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{
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if (el.ValueKind != JsonValueKind.Object) continue;
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var item = reader(el);
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if (item is not null) result.Add(item);
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}
|
|
// Match Phase7Composer's natural-key sort so plan diffs are deterministic across
|
|
// artifact-decode + composer-compose passes.
|
|
return result.OrderBy(IdentityOf, StringComparer.Ordinal).ToList();
|
|
}
|
|
|
|
private static string IdentityOf<T>(T item) where T : class => item switch
|
|
{
|
|
UnsAreaProjection a => a.UnsAreaId,
|
|
UnsLineProjection l => l.UnsLineId,
|
|
EquipmentNode e => e.EquipmentId,
|
|
DriverInstancePlan d => d.DriverInstanceId,
|
|
ScriptedAlarmPlan a => a.ScriptedAlarmId,
|
|
_ => string.Empty,
|
|
};
|
|
|
|
private static UnsAreaProjection? ReadAreaProjection(JsonElement el)
|
|
{
|
|
var id = el.TryGetProperty("UnsAreaId", out var idEl) ? idEl.GetString() : null;
|
|
var name = el.TryGetProperty("Name", out var nameEl) ? nameEl.GetString() : null;
|
|
if (string.IsNullOrWhiteSpace(id)) return null;
|
|
return new UnsAreaProjection(id!, name ?? id!);
|
|
}
|
|
|
|
private static UnsLineProjection? ReadLineProjection(JsonElement el)
|
|
{
|
|
var id = el.TryGetProperty("UnsLineId", out var idEl) ? idEl.GetString() : null;
|
|
var areaId = el.TryGetProperty("UnsAreaId", out var areaEl) ? areaEl.GetString() : null;
|
|
var name = el.TryGetProperty("Name", out var nameEl) ? nameEl.GetString() : null;
|
|
if (string.IsNullOrWhiteSpace(id) || string.IsNullOrWhiteSpace(areaId)) return null;
|
|
return new UnsLineProjection(id!, areaId!, name ?? id!);
|
|
}
|
|
|
|
private static EquipmentNode? ReadEquipmentNode(JsonElement el)
|
|
{
|
|
var id = el.TryGetProperty("EquipmentId", out var idEl) ? idEl.GetString() : null;
|
|
// DisplayName = the UNS level-5 Name segment (friendly browse name, matching UnsArea/UnsLine
|
|
// + the live rebuild's source of truth) — NOT the colloquial MachineCode. NodeId stays the
|
|
// logical EquipmentId.
|
|
var displayName = el.TryGetProperty("Name", out var nameEl) ? nameEl.GetString() : null;
|
|
var lineId = el.TryGetProperty("UnsLineId", out var lineEl) ? lineEl.GetString() : null;
|
|
if (string.IsNullOrWhiteSpace(id)) return null;
|
|
return new EquipmentNode(id!, displayName ?? id!, lineId ?? string.Empty);
|
|
}
|
|
|
|
private static DriverInstancePlan? ReadDriverPlan(JsonElement el)
|
|
{
|
|
var id = el.TryGetProperty("DriverInstanceId", out var idEl) ? idEl.GetString() : null;
|
|
var type = el.TryGetProperty("DriverType", out var typeEl) ? typeEl.GetString() : null;
|
|
var config = el.TryGetProperty("DriverConfig", out var cfgEl) ? cfgEl.GetString() : null;
|
|
if (string.IsNullOrWhiteSpace(id) || string.IsNullOrWhiteSpace(type)) return null;
|
|
return new DriverInstancePlan(id!, type!, config ?? "{}");
|
|
}
|
|
|
|
private static ScriptedAlarmPlan? ReadAlarmPlan(JsonElement el)
|
|
{
|
|
var id = el.TryGetProperty("ScriptedAlarmId", out var idEl) ? idEl.GetString() : null;
|
|
var equipmentId = el.TryGetProperty("EquipmentId", out var eqEl) ? eqEl.GetString() : null;
|
|
var script = el.TryGetProperty("PredicateScriptId", out var scEl) ? scEl.GetString() : null;
|
|
var template = el.TryGetProperty("MessageTemplate", out var tmEl) ? tmEl.GetString() : null;
|
|
if (string.IsNullOrWhiteSpace(id)) return null;
|
|
return new ScriptedAlarmPlan(id!, equipmentId ?? string.Empty, script ?? string.Empty, template ?? string.Empty);
|
|
}
|
|
}
|