ASP.Net Core MemoryCache

	namespace CacheUse.Controllers
	{
	[ApiController]
	[Route("[controller]")]
	public class WeatherForecastController : ControllerBase
	{
	private static readonly string[] Summaries = new[]
	{
	"Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
	};

	private readonly ILogger<WeatherForecastController> _logger;
	private readonly IMemoryCache memoryCache;

	public WeatherForecastController(ILogger<WeatherForecastController> logger,IMemoryCache memoryCache)
	{
	_logger = logger;
	this.memoryCache = memoryCache;
	}

	[HttpGet(Name = "GetWeatherForecast")]
	public IEnumerable<WeatherForecast> Get()
	{
	var key = "weatherForecastList";

	if (!memoryCache.TryGetValue(key,out IEnumerable<WeatherForecast> weatherForcastList))
	{
	Console.WriteLine("weatherForecastList Not Exists in Cache ");
	weatherForcastList= Enumerable.Range(1, 5).Select(
	index => new WeatherForecast
	{
	Date = DateTime.Now.AddDays(index),
	TemperatureC = Random.Shared.Next(-20, 55),
	Summary = Summaries[Random.Shared.Next(Summaries.Length)]
	}
	);
	memoryCache.Set(key, weatherForcastList);
	Console.WriteLine("weatherForecastList added Cache");
	}
	else
	{
	Console.WriteLine("weatherForecastList from Cache ");
	}
	return weatherForcastList.ToArray();
	}
	}
	}

	var builder = WebApplication.CreateBuilder(args);

	// Add services to the container.

	builder.Services.AddControllers();
	// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
	builder.Services.AddEndpointsApiExplorer();
	builder.Services.AddSwaggerGen();

	//Added for MemoryCache
	builder.Services.AddMemoryCache();

	var app = builder.Build();

	// Configure the HTTP request pipeline.
	if (app.Environment.IsDevelopment())
	{
	app.UseSwagger();
	app.UseSwaggerUI();
	}

	app.UseHttpsRedirection();

	app.UseAuthorization();

	app.MapControllers();

	app.Run();

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Gökhanb