ProfilerEvent.cs

using System.Text;
using System.Xml;
using Waher.Runtime.Profiling.Export;
 
namespace Waher.Runtime.Profiling.Events
{
    public abstract class ProfilerEvent
    {
        private readonly long ticks;
        private readonly ProfilerThread thread;
 
        public ProfilerEvent(long Ticks, ProfilerThread Thread)
        {
            this.ticks = Ticks;
            this.thread = Thread;
        }
 
        public long Ticks => this.ticks;
 
        public ProfilerThread Thread => this.thread;
 
        public abstract string EventType
        {
            get;
        }
 
        public virtual void ExportXml(XmlWriter Output, ProfilerEvent Previous, TimeUnit TimeUnit)
        {
            Output.WriteStartElement(this.EventType);
            this.ExportXmlAttributes(Output, Previous, TimeUnit);
            Output.WriteEndElement();
        }
 
        public virtual void ExportXmlAttributes(XmlWriter Output, ProfilerEvent Previous, TimeUnit TimeUnit)
        {
            Output.WriteAttributeString("ticks", this.ticks.ToString());
            Output.WriteAttributeString("time", this.thread.ToTimeStr(this.ticks, TimeUnit));
 
            if (!(Previous is null))
            {
                Output.WriteAttributeString("elapsedTicks", (this.ticks - Previous.ticks).ToString());
                Output.WriteAttributeString("elapsedTime", this.thread.ToTimeStr(this.ticks - Previous.ticks, TimeUnit));
            }
        }
 
        public virtual void ExportPlantUml(PlantUmlStates States)
        {
            StringBuilder Output = States.GetBuilder(this.ticks);
            Output.Append(this.thread.Key);
            Output.Append(" is ");
 
            string s = this.PlantUmlState;
 
            if (s.StartsWith("{") && s.EndsWith("}"))
                Output.AppendLine(s);
            else
            {
                Output.Append("\"");
                Output.Append(s.Replace("\"", "'"));
                Output.AppendLine("\"");
            }
        }
 
        public abstract string PlantUmlState
        {
            get;
        }
 
        public virtual void ExportPlantUmlPreparation()
        {
            // Do nothing by defualt.
        }
 
        public virtual void Accumulate(Accumulator Accumulator)
        {
            Accumulator.AddAsIs(this);
        }
    }
}