Load Testing with Custom Performance Counters: Listing 2.

The DataAccessCounterLocator class, which calls RecordOperation.

public class SqlServerCmsWebPageRepository :
  SqlServerCmsRepositoryBase <ICmsWebPage, 
  CmsDatasetTableAdapters.CmsWebPageTableAdapter >,
  ICmsWebPageRepository
{
  public override void Save(ICmsWebPage saveThis)
  {
    var startTicks = DateTime.Now.Ticks;

    try
    {
      DoSave(saveThis);
    }
    finally
    {
      // Call the locator to access OperationPerformanceCounterManager
      DataAccessCounterLocator.Instance.SaveWebPage.RecordOperation(
        DateTime.Now.Ticks - startTicks);
    }
  }

  // ...
}
public class DataAccessCounterLocator
{
  private static object m_SyncRoot = new object();

  private const string CategoryName = "Benday.com CMS Data Access";

  private DataAccessCounterLocator()
  {
    LoadWebPages = new OperationPerformanceCounterManager(
      CategoryName, "Load Web Pages");

    LoadWebPageById = new OperationPerformanceCounterManager(
      CategoryName, "Load Web Page By Id");

    SaveWebPage = new OperationPerformanceCounterManager(
      CategoryName, "Save Web Page");

    SaveFolder = new OperationPerformanceCounterManager(
      CategoryName, "Save Folder");

    SaveLink = new OperationPerformanceCounterManager(
      CategoryName, "Save Link");
  }

  public OperationPerformanceCounterManager 
    LoadWebPages { get; private set; }
  public OperationPerformanceCounterManager 
    SaveWebPage { get; private set; }
  public OperationPerformanceCounterManager 
    SaveFolder { get; private set; }
  public OperationPerformanceCounterManager 
    SaveLink { get; private set; }
  public OperationPerformanceCounterManager 
    LoadWebPageById { get; private set; }

  private static DataAccessCounterLocator m_Instance;
  public static DataAccessCounterLocator Instance
  {
    get
    {
      if (m_Instance == null)
      {
        lock (m_SyncRoot)
        {
          if (m_Instance == null)
          {
            m_Instance = new DataAccessCounterLocator();
          }
        }
      }

      return m_Instance;
    }
  }        // ...
}

About the Author

Benjamin Day is a consultant, trainer, and author specializing in software development, project management, and leadership. Ben’s main areas of emphasis include Azure DevOps, C#, Angular, Scrum, software testing, and software architecture. He is a Microsoft MVP, a certified Scrum trainer via Scrum.org, and speaks regularly at VSLive. His online courses are available at YouTube and at http://www.pluralsight.com. Ben is also the founder of https://SlideSpeaker.ai. He can be contacted via http://www.benday.com.

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