CounterPayload.cs

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using System.Collections;
using System.Collections.Generic;
 
namespace System.Diagnostics.Tracing;
 
[EventData]
internal sealed class CounterPayload : IEnumerable<KeyValuePair<string, object>>, IEnumerable
{
    public string Name { get; set; }
 
    public string DisplayName { get; set; }
 
    public double Mean { get; set; }
 
    public double StandardDeviation { get; set; }
 
    public int Count { get; set; }
 
    public double Min { get; set; }
 
    public double Max { get; set; }
 
    public float IntervalSec { get; internal set; }
 
    public string Series { get; set; }
 
    public string CounterType { get; set; }
 
    public string Metadata { get; set; }
 
    public string DisplayUnits { get; set; }
 
    private IEnumerable<KeyValuePair<string, object>> ForEnumeration
    {
        get
        {
            yield return new KeyValuePair<string, object>("Name", Name);
            yield return new KeyValuePair<string, object>("DisplayName", DisplayName);
            yield return new KeyValuePair<string, object>("DisplayUnits", DisplayUnits);
            yield return new KeyValuePair<string, object>("Mean", Mean);
            yield return new KeyValuePair<string, object>("StandardDeviation", StandardDeviation);
            yield return new KeyValuePair<string, object>("Count", Count);
            yield return new KeyValuePair<string, object>("Min", Min);
            yield return new KeyValuePair<string, object>("Max", Max);
            yield return new KeyValuePair<string, object>("IntervalSec", IntervalSec);
            yield return new KeyValuePair<string, object>("Series", $"Interval={IntervalSec}");
            yield return new KeyValuePair<string, object>("CounterType", "Mean");
            yield return new KeyValuePair<string, object>("Metadata", Metadata);
        }
    }
 
    public IEnumerator<KeyValuePair<string, object>> GetEnumerator()
    {
        return ForEnumeration.GetEnumerator();
    }
 
    IEnumerator IEnumerable.GetEnumerator()
    {
        return ForEnumeration.GetEnumerator();
    }
}