src/StructuredLogger/ObjectModel/TimedNode.cs

using System;

namespace Microsoft.Build.Logging.StructuredLogger
{
    public class TimedNode : NamedNode
    {
        /// <summary>
        /// The Id of a Project, ProjectEvaluation, Target and Task.
        /// Corresponds to ProjectStartedEventsArgs.ProjectId, TargetStartedEventArgs.TargetId, etc.
        /// </summary>
        public int Id { get; set; }

        /// <summary>
        /// Corresponds to BuildEventArgs.BuildEventContext.NodeId,
        /// which is the id of the MSBuild.exe node process that built the current project or
        /// executed the given target or task.
        /// </summary>
        public int NodeId { get; set; }

        /// <summary>
        /// Unique index of the node in the build tree, can be used as a 
        /// "URL" to node
        /// </summary>
        public int Index { get; set; }

        public DateTime StartTime { get; set; }
        public DateTime EndTime { get; set; }
        public TimeSpan Duration
        {
            get
            {
                if (EndTime >= StartTime)
                {
                    return EndTime - StartTime;
                }

                return TimeSpan.Zero;
            }
        }

        public string DurationText => TextUtilities.DisplayDuration(Duration);

        public override string TypeName => nameof(TimedNode);

        public string GetTimeAndDurationText(bool fullPrecision = false)
        {
            var duration = DurationText;
            if (string.IsNullOrEmpty(duration))
            {
                duration = "0";
            }

            return $@"Start: {TextUtilities.Display(StartTime, displayDate: true, fullPrecision)}
End: {TextUtilities.Display(EndTime, displayDate: true, fullPrecision)}
Duration: {duration}";
        }

        public override string ToolTip => GetTimeAndDurationText();
    }
}