//******************************************************************************************************//  IChannelValue.cs - Gbtc////  Copyright © 2012, 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://www.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://  ----------------------------------------------------------------------------------------------------//  02/18/2005 - J. Ritchie Carroll//       Generated original version of source code.//  08/07/2009 - Josh L. Patterson//       Edited Comments.//  09/15/2009 - Stephen C. Wills//       Added new header and license agreement.//  12/17/2012 - Starlynn Danyelle Gilliam//       Modified Header.////****************************************************************************************************** using System.Runtime.Serialization;using GSF.TimeSeries; namespace GSF.PhasorProtocols{    /// <summary>    /// Represents a protocol independent interface representation any kind of <see cref="IChannel"/> data value.    /// </summary>    /// <remarks>    /// Each instance of <see cref="IChannelValue{T}"/> will have a more specific derived implementation (e.g., <see cref="IDigitalValue"/> and <see cref="IPhasorValue"/>),    /// these specific implementations of <see cref="IChannelValue{T}"/> will be referenced children of a <see cref="IDataCell"/>.<br/>    /// The <see cref="IChannelValue{T}"/> uses the specified <see cref="IChannelDefinition"/> type to define its properties.    /// </remarks>    /// <typeparam name="T">Specific <see cref="IChannelDefinition"/> type that represents the <see cref="IChannelValue{T}"/> definition.</typeparam>    public interface IChannelValue<T> : IChannel, ISerializable where T : IChannelDefinition    {        /// <summary>        /// Gets the <see cref="IDataCell"/> parent of this <see cref="IChannelValue{T}"/>.        /// </summary>        IDataCell Parent { get; set; }         /// <summary>        /// Gets the <see cref="IChannelDefinition"/> associated with this <see cref="IChannelValue{T}"/>.        /// </summary>        T Definition { get; set; }         /// <summary>        /// Gets the <see cref="PhasorProtocols.DataFormat"/> of this <see cref="IChannelValue{T}"/> typically derived from <see cref="IChannelDefinition.DataFormat"/>.        /// </summary>        DataFormat DataFormat { get; }         /// <summary>        /// Gets text based label of this <see cref="IChannelValue{T}"/> typically derived from <see cref="IChannelDefinition.Label"/>.        /// </summary>        string Label { get; }         /// <summary>        /// Gets boolean value that determines if none of the composite values of <see cref="IChannelValue{T}"/> have been assigned a value.        /// </summary>        /// <returns>True, if no composite values have been assigned a value; otherwise, false.</returns>        bool IsEmpty { get; }         /// <summary>        /// Gets the composite values of this <see cref="IChannelValue{T}"/> as an array of <see cref="IMeasurement"/> values.        /// </summary>        IMeasurement[] Measurements { get; }         /// <summary>        /// Gets total number of composite values that this <see cref="IChannelValue{T}"/> provides.        /// </summary>        int CompositeValueCount { get; }         /// <summary>        /// Gets the specified composite value of this <see cref="IChannelValue{T}"/>.        /// </summary>        /// <param name="index">Index of composite value to retrieve.</param>        /// <returns>A <see cref="double"/> representing the composite value.</returns>        double GetCompositeValue(int index);    }}