Joseph Doherty
62 lines
2.7 KiB
C#
62 lines
2.7 KiB
C#
using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Logging.Abstractions;
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using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
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using ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian;
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using ZB.MOM.WW.OtOpcUa.Runtime.Historian;
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namespace ZB.MOM.WW.OtOpcUa.Driver.Historian.SqlServer;
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/// <summary>
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/// <see cref="IHistorianBackendProvider"/> for the SQL Server historian. Supports every
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/// <see cref="HistorianValueKind"/> and HistoryUpdate. All seams share ONE connection helper, ONE schema
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/// bootstrapper and ONE tag catalog, so the schema is ensured once and tag ids are cached once.
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/// </summary>
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public sealed class SqlServerHistorianProvider : IHistorianBackendProvider
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{
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private static readonly IReadOnlySet<HistorianValueKind> Kinds =
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new HashSet<HistorianValueKind>(Enum.GetValues<HistorianValueKind>());
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private readonly SqlHistorianConnection _conn;
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private readonly SqlServerSchemaBootstrapper _bootstrap;
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private readonly SqlServerTagCatalog _catalog;
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/// <summary>Creates the provider over validated options.</summary>
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/// <param name="options">The <c>ServerHistorian:SqlServer</c> options.</param>
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public SqlServerHistorianProvider(SqlServerHistorianOptions options)
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{
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ArgumentNullException.ThrowIfNull(options);
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_conn = new SqlHistorianConnection(options);
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_bootstrap = new SqlServerSchemaBootstrapper(_conn, options);
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_catalog = new SqlServerTagCatalog(_conn, _bootstrap);
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}
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/// <inheritdoc />
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public string Name => "SqlServer";
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/// <inheritdoc />
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public IReadOnlySet<HistorianValueKind> SupportedKinds => Kinds;
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private static ILogger Log<T>(IServiceProvider sp) =>
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((sp.GetService(typeof(ILoggerFactory)) as ILoggerFactory) ?? NullLoggerFactory.Instance).CreateLogger<T>();
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/// <inheritdoc />
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public IHistorianDataSource CreateDataSource(IServiceProvider sp) =>
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new SqlServerHistorianDataSource(_conn, _bootstrap, _catalog, Log<SqlServerHistorianDataSource>(sp));
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/// <inheritdoc />
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public IHistorianValueWriter CreateValueWriter(IServiceProvider sp) =>
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new SqlServerHistorianValueWriter(_conn, _bootstrap, _catalog, Log<SqlServerHistorianValueWriter>(sp));
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/// <inheritdoc />
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public IAlarmHistorianWriter CreateAlarmWriter(IServiceProvider sp) =>
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new SqlServerAlarmHistorianWriter(_conn, _bootstrap, Log<SqlServerAlarmHistorianWriter>(sp));
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/// <inheritdoc />
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public IHistorianProvisioning CreateProvisioning(IServiceProvider sp) =>
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new SqlServerTagProvisioner(_conn, _bootstrap, Log<SqlServerTagProvisioner>(sp));
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/// <inheritdoc />
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public IHistorianDataUpdater? CreateUpdater(IServiceProvider sp) =>
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new SqlServerHistorianDataUpdater(_conn, _catalog);
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}
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