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using System;
using System.Diagnostics;
using System.Globalization;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Controller.Library
{
/// <summary>
/// Class Profiler.
/// </summary>
public class Profiler : IDisposable
{
/// <summary>
/// The name.
/// </summary>
readonly string _name;
/// <summary>
/// The stopwatch.
/// </summary>
readonly Stopwatch _stopwatch;
/// <summary>
/// The _logger.
/// </summary>
private readonly ILogger<Profiler> _logger;
/// <summary>
/// Initializes a new instance of the <see cref="Profiler" /> class.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="logger">The logger.</param>
public Profiler(string name, ILogger<Profiler> logger)
{
this._name = name;
_logger = logger;
_stopwatch = new Stopwatch();
_stopwatch.Start();
}
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
/// <summary>
/// Releases unmanaged and - optionally - managed resources.
/// </summary>
/// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
protected virtual void Dispose(bool dispose)
{
if (dispose)
{
_stopwatch.Stop();
string message;
if (_stopwatch.ElapsedMilliseconds > 300000)
{
message = string.Format(
CultureInfo.InvariantCulture,
"{0} took {1} minutes.",
_name,
((float)_stopwatch.ElapsedMilliseconds / 60000).ToString("F", CultureInfo.InvariantCulture));
}
else
{
message = string.Format(
CultureInfo.InvariantCulture,
"{0} took {1} seconds.",
_name,
((float)_stopwatch.ElapsedMilliseconds / 1000).ToString("#0.000", CultureInfo.InvariantCulture));
}
_logger.LogInformation(message);
}
}
}
}
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