//******************************************************************************************************//  IndependentOutputAdapterManagerBase.cs - Gbtc////  Copyright © 2020, Grid Protection Alliance.  All Rights Reserved.////  Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See//  the NOTICE file distributed with this work for additional information regarding copyright ownership.//  The GPA licenses this file to you under the MIT License (MIT), the "License"; you may not use this//  file except in compliance with the License. You may obtain a copy of the License at:////      http://opensource.org/licenses/MIT////  Unless agreed to in writing, the subject software distributed under the License is distributed on an//  "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the//  License for the specific language governing permissions and limitations.////  Code Modification History://  ----------------------------------------------------------------------------------------------------//  02/13/2020 - J. Ritchie Carroll//       Generated original version of source code.////****************************************************************************************************** using System;using System.Collections.Generic;using System.Collections.ObjectModel;using System.ComponentModel;using System.Data;using System.Text;using System.Threading;using GSF.Data;using GSF.Diagnostics;using GSF.TimeSeries.Data;using GSF.Units.EE;using static GSF.TimeSeries.Adapters.IndependentAdapterManagerExtensions; namespace GSF.TimeSeries.Adapters{    /// <summary>    /// Represents an adapter base class that provides functionality to manage and distribute measurements to a collection of output adapters.    /// </summary>    public abstract class IndependentOutputAdapterManagerBase : OutputAdapterCollection, IIndependentAdapterManager    {        #region [ Members ]         // Fields        private bool m_disposed;         #endregion         #region [ Constructors ]         /// <summary>        /// Creates a new <see cref="IndependentOutputAdapterManagerBase"/>.        /// </summary>        protected IndependentOutputAdapterManagerBase() => this.HandleConstruct();         #endregion         #region [ Properties ]         /// <summary>        /// Gets or sets primary keys of input measurements for the <see cref="IndependentOutputAdapterManagerBase"/>.        /// </summary>        [ConnectionStringParameter]        [Description("Defines primary keys of input measurements the adapter expects; can be one of a filter expression, measurement key, point tag or Guid.")]        [CustomConfigurationEditor("GSF.TimeSeries.UI.WPF.dll", "GSF.TimeSeries.UI.Editors.MeasurementEditor")]        [DefaultValue(null)]        public override MeasurementKey[] InputMeasurementKeys        {            get => base.InputMeasurementKeys;            set            {                base.InputMeasurementKeys = value;                InputMeasurementKeyTypes = DataSource.GetSignalTypes(value, SourceMeasurementTable);            }        }         /// <summary>        /// Gets or sets the wait timeout, in milliseconds, that system wait for system configuration reload to complete.        /// </summary>        [ConnectionStringParameter]        [Description("Defines the wait timeout, in milliseconds, that system wait for system configuration reload to complete.")]        [DefaultValue(DefaultConfigurationReloadWaitTimeout)]        public virtual int ConfigurationReloadWaitTimeout { get; set; } = DefaultConfigurationReloadWaitTimeout;         /// <summary>        /// Gets or sets the total number of attempts to wait for system configuration reloads when waiting for configuration updates to be available.        /// </summary>        [ConnectionStringParameter]        [Description("Defines the total number of attempts to wait for system configuration reloads when waiting for configuration updates to be available.")]        [DefaultValue(DefaultConfigurationReloadWaitAttempts)]        public virtual int ConfigurationReloadWaitAttempts { get; set; } = DefaultConfigurationReloadWaitAttempts;         /// <summary>        /// Gets or sets the connection string used for database operations. Leave blank to use local configuration database defined in "systemSettings".        /// </summary>        [ConnectionStringParameter]        [Description("Defines the connection string used for database operations. Leave blank to use local configuration database defined in \"systemSettings\".")]        [DefaultValue(DefaultDatabaseConnectionString)]        public virtual string DatabaseConnectionString { get; set; }         /// <summary>        /// Gets or sets the provider string used for database operations. Defaults to a SQL Server provider string.        /// </summary>        [ConnectionStringParameter]        [Description("Defines the provider string used for database operations. Defaults to a SQL Server provider string.")]        [DefaultValue(DefaultDatabaseProviderString)]        public virtual string DatabaseProviderString { get; set; }         /// <summary>        /// Gets any custom adapter settings to be added to each adapter connection string. Can be used to add        /// settings that are custom per adapter.        /// </summary>        public virtual string CustomAdapterSettings { get; } = null;         /// <summary>        /// Gets or sets the source measurement table to use for configuration.        /// </summary>        [ConnectionStringParameter]        [Description("Defines the source measurement table to use for configuration.")]        [DefaultValue(DefaultSourceMeasurementTable)]        public virtual string SourceMeasurementTable { get; set; } = DefaultSourceMeasurementTable;         /// <summary>        /// Gets or sets <see cref="DataSet"/> based data source used to load each <see cref="IAdapter"/>. Updates        /// to this property will cascade to all adapters in this <see cref="IndependentOutputAdapterManagerBase"/>.        /// </summary>        public override DataSet DataSource        {            get => base.DataSource;            set            {                if (!this.DataSourceChanged(value))                    return;                 base.DataSource = value;                this.HandleUpdateDataSource();            }        }         /// <summary>        /// Gets number of input measurement required by each adapter.        /// </summary>        public abstract int PerAdapterInputCount { get; }         /// <summary>        /// Gets or sets the index into the per adapter input measurements to use for target adapter name.        /// </summary>        [ConnectionStringParameter]        [Description("Defines the index into the per adapter input measurements to use for target adapter name.")]        public virtual int InputMeasurementIndexUsedForName { get; set; }         /// <summary>        /// Gets or sets flag that determines if the <see cref="IndependentOutputAdapterManagerBase"/> adapter        /// <see cref="AdapterCollectionBase{T}.ConnectionString"/> should be automatically parsed every time        /// the <see cref="DataSource"/> is updated without requiring adapter to be reinitialized. Defaults        /// to <c>true</c> to allow child adapters to come and go based on updates to system configuration.        /// </summary>        protected virtual bool AutoReparseConnectionString { get; set; } = true;         /// <summary>        /// Gets input measurement <see cref="SignalType"/>'s for each of the <see cref="AdapterBase.InputMeasurementKeys"/>, if any.        /// </summary>        public virtual SignalType[] InputMeasurementKeyTypes { get; private set; }         /// <summary>        /// Get adapter index currently being processed.        /// </summary>        public int CurrentAdapterIndex { get; internal set; }         /// <summary>        /// Get adapter output index currently being processed.        /// </summary>        public int CurrentOutputIndex { get; internal set; }         /// <summary>        /// Gets associated device ID for <see cref="CurrentAdapterIndex"/>, if any, for measurement generation.        /// </summary>        public virtual int CurrentDeviceID { get; } = 0;         /// <summary>        /// Returns the detailed status of the <see cref="IndependentOutputAdapterManagerBase"/>.        /// </summary>        public override string Status        {            get            {                StringBuilder status = new StringBuilder();                 status.Append(this.HandleStatus());                status.Append(base.Status);                 return status.ToString();            }        }         #endregion         #region [ Methods ]         /// <summary>        /// Releases the unmanaged resources used by the <see cref="IndependentOutputAdapterManagerBase"/> object and optionally releases the managed resources.        /// </summary>        /// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>        protected override void Dispose(bool disposing)        {            if (m_disposed)                return;             try            {                if (!disposing)                    return;                 this.HandleDispose();            }            finally            {                m_disposed = true;          // Prevent duplicate dispose.                base.Dispose(disposing);    // Call base class Dispose().            }        }         /// <summary>        /// Initializes the <see cref="IndependentOutputAdapterManagerBase" />.        /// </summary>        public override void Initialize() => this.HandleInitialize();         /// <summary>        /// Validates that an even number of inputs are provided for specified <see cref="PerAdapterInputCount"/>.        /// </summary>        protected void ValidateEvenInputCount() => this.HandleValidateEvenInputCount();         /// <summary>        /// Parses connection string. Derived classes should override for custom connection string parsing.        /// </summary>        public virtual void ParseConnectionString() => this.HandleParseConnectionString();         /// <summary>        /// Notifies derived classes that configuration has been reloaded        /// </summary>        public virtual void ConfigurationReloaded() { }         /// <summary>        /// Recalculates routing tables.        /// </summary>        public virtual void RecalculateRoutingTables() => this.HandleRecalculateRoutingTables();         /// <summary>        /// Queues a collection of measurements for processing to each <see cref="IOutputAdapter"/> connected to this <see cref="IndependentOutputAdapterManagerBase"/>.        /// </summary>        /// <param name="measurements">Measurements to queue for processing.</param>        public override void QueueMeasurementsForProcessing(IEnumerable<IMeasurement> measurements) => this.HandleQueueMeasurementsForProcessing(measurements);         /// <summary>        /// Gets a short one-line status of this <see cref="IndependentOutputAdapterManagerBase"/>.        /// </summary>        /// <param name="maxLength">Maximum number of available characters for display.</param>        /// <returns>A short one-line summary of the current status of the <see cref="IndependentOutputAdapterManagerBase"/>.</returns>        public override string GetShortStatus(int maxLength) => this.HandleGetShortStatus(maxLength);         /// <summary>        /// Enumerates child adapters.        /// </summary>        [AdapterCommand("Enumerates child adapters.")]        public virtual void EnumerateAdapters() => this.HandleEnumerateAdapters();         /// <summary>        /// Gets subscriber information for specified client connection.        /// </summary>        /// <param name="adapterIndex">Enumerated index for child adapter.</param>        /// <returns>Status for adapter with specified <paramref name="adapterIndex"/>.</returns>        [AdapterCommand("Gets subscriber information for specified client connection.")]        public virtual string GetAdapterStatus(int adapterIndex) => this.HandleGetAdapterStatus(adapterIndex);         /// <summary>        /// Gets configured database connection.        /// </summary>        /// <returns>New ADO data connection based on configured settings.</returns>        public AdoDataConnection GetConfiguredConnection() => this.HandleGetConfiguredConnection();         #endregion         #region [ IIndependentAdapterManager Implementation ]         // The following properties are not used by output adapters. An IOutputAdapter implementation does not define        // output measurements nor is any output automatically reentrant into time-series framework.         string IIndependentAdapterManager.PointTagTemplate { get; set; } = DefaultPointTagTemplate;         string IIndependentAdapterManager.AlternateTagTemplate { get; set; } = DefaultAlternateTagTemplate;         string IIndependentAdapterManager.SignalReferenceTemplate { get; set; } = DefaultSignalReferenceTemplate;         string IIndependentAdapterManager.DescriptionTemplate { get; set; } = DefaultDescriptionTemplate;         string IIndependentAdapterManager.ParentDeviceAcronymTemplate { get; set; } = DefaultParentDeviceAcronymTemplate;         SignalType IIndependentAdapterManager.SignalType { get; set; } = (SignalType)Enum.Parse(typeof(SignalType), DefaultSignalType);         SignalType[] IIndependentAdapterManager.SignalTypes { get; } = null;         ReadOnlyCollection<string> IIndependentAdapterManager.PerAdapterOutputNames { get; } = null;         SignalType[] IIndependentAdapterManager.OutputMeasurementTypes { get; } = null;         string IIndependentAdapterManager.TargetHistorianAcronym { get; set; } = DefaultTargetHistorianAcronym;         RoutingTables IIndependentAdapterManager.RoutingTables { get; set; }         string IIndependentAdapterManager.OriginalDataMember { get; set; }         uint IIndependentAdapterManager.AdapterIDCounter { get; set; }         ManualResetEventSlim IIndependentAdapterManager.ConfigurationReloadedWaitHandle { get; set; }         bool IIndependentAdapterManager.AutoReparseConnectionString { get => AutoReparseConnectionString; set => AutoReparseConnectionString = value; }         void IIndependentAdapterManager.OnConfigurationChanged() => OnConfigurationChanged();         void IIndependentAdapterManager.OnInputMeasurementKeysUpdated() => OnInputMeasurementKeysUpdated();         void IIndependentAdapterManager.OnStatusMessage(MessageLevel level, string status, string eventName, MessageFlags flags) => OnStatusMessage(level, status, eventName, flags);         void IIndependentAdapterManager.OnProcessException(MessageLevel level, Exception exception, string eventName, MessageFlags flags) => OnProcessException(level, exception, eventName, flags);         #endregion    }}