IoTGateway/Events/Waher.Events/IObservableLayer.cs at master · PeterWaher/IoTGateway · GitHub

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using System;

namespace Waher.Events
{
	/// <summary>
	/// Interface for classes that can be observed.
	/// </summary>
	public interface IObservableLayer
	{
		/// <summary>
		/// If events raised from the communication layer are decoupled, i.e. executed
		/// in parallel with the source that raised them.
		/// </summary>
		bool DecoupledEvents { get; }

		/// <summary>
		/// Called to inform the viewer of something.
		/// </summary>
		/// <param name="Comment">Comment.</param>
		void Information(string Comment);

		/// <summary>
		/// Called to inform the viewer of something.
		/// </summary>
		/// <param name="Timestamp">Timestamp of event.</param>
		/// <param name="Comment">Comment.</param>
		void Information(DateTime Timestamp, string Comment);

		/// <summary>
		/// Called to inform the viewer of a warning state.
		/// </summary>
		/// <param name="Warning">Warning.</param>
		void Warning(string Warning);

		/// <summary>
		/// Called to inform the viewer of a warning state.
		/// </summary>
		/// <param name="Timestamp">Timestamp of event.</param>
		/// <param name="Warning">Warning.</param>
		void Warning(DateTime Timestamp, string Warning);

		/// <summary>
		/// Called to inform the viewer of an error state.
		/// </summary>
		/// <param name="Error">Error.</param>
		void Error(string Error);

		/// <summary>
		/// Called to inform the viewer of an error state.
		/// </summary>
		/// <param name="Timestamp">Timestamp of event.</param>
		/// <param name="Error">Error.</param>
		void Error(DateTime Timestamp, string Error);

		/// <summary>
		/// Called to inform the viewer of an exception state.
		/// </summary>
		/// <param name="Exception">Exception.</param>
		void Exception(string Exception);

		/// <summary>
		/// Called to inform the viewer of an exception state.
		/// </summary>
		/// <param name="Timestamp">Timestamp of event.</param>
		/// <param name="Exception">Exception.</param>
		void Exception(DateTime Timestamp, string Exception);

		/// <summary>
		/// Called to inform the viewer of an exception state.
		/// </summary>
		/// <param name="Exception">Exception.</param>
		void Exception(Exception Exception);

		/// <summary>
		/// Called to inform the viewer of an exception state.
		/// </summary>
		/// <param name="Timestamp">Timestamp of event.</param>
		/// <param name="Exception">Exception.</param>
		void Exception(DateTime Timestamp, Exception Exception);
	}
}