fix(historian): SQL quality contract, long-name refusal, info-bit masking, AtTime-after-now, bootstrap hardening
- I-1: an Empty sample is always Bad. The writer stores a non-Bad NaN/Inf as Empty+BadOutOfRange and any other non-Bad Empty as BadNoData; the updater refuses a non-Bad Empty with BadInvalidArgument; reads clamp a legacy non-Bad Empty row to BadNoData (Raw and AtTime). - Tag/source names over 400 chars are refused, never truncated: writer per-tag failure, updater BadInvalidArgument, reads not-found, events none. - HistorianInfoBits masks the historian bits before setting one. - AtTime past now, stepped from the last sample => UncertainDataSubNormal. - Bootstrapper: logger, 5 s negative cache, ClearPool + Warning when sp_releaseapplock fails. - Provider builds its shared state lazily (an invalid Schema no longer throws at Resolve); Kinds is a FrozenSet; Gateway reuses the recorder's DefaultSupportedKinds. - Cleanup: SqlHistorianDataTypes in its own file (updater dup removed), dead Invalidate and unused status consts deleted, named severity masks, alarm writer brace. Claude-Session: https://claude.ai/code/session_01Ef2ozxS7QPanGT8uoATbTe
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@@ -14,13 +14,6 @@ namespace ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway;
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/// </summary>
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public sealed class GatewayHistorianProvider : IHistorianBackendProvider
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{
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private static readonly IReadOnlySet<HistorianValueKind> Kinds = new HashSet<HistorianValueKind>
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{
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HistorianValueKind.Double,
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HistorianValueKind.Int64,
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HistorianValueKind.Boolean,
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};
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private readonly ServerHistorianOptions _options;
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/// <summary>Creates the provider over the bound <c>ServerHistorian</c> options.</summary>
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@@ -34,7 +27,11 @@ public sealed class GatewayHistorianProvider : IHistorianBackendProvider
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public string Name => "Gateway";
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/// <inheritdoc />
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public IReadOnlySet<HistorianValueKind> SupportedKinds => Kinds;
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/// <remarks>
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/// The recorder's own default set (<see cref="ContinuousHistorizationRecorder.DefaultSupportedKinds"/>), so the
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/// gateway's kinds and the recorder's fallback can never drift apart.
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/// </remarks>
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public IReadOnlySet<HistorianValueKind> SupportedKinds => ContinuousHistorizationRecorder.DefaultSupportedKinds;
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/// <inheritdoc />
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public IHistorianDataSource CreateDataSource(IServiceProvider sp) => GatewayHistorian.CreateDataSource(_options, sp);
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