Différences

Ci-dessous, les différences entre deux révisions de la page.

--- developpement:dotnet:msioc [2023/05/16 04:43] – [Bakcground Service] sgariepy
+++ developpement:dotnet:msioc [2023/06/19 18:43] (Version actuelle) – [Exemple] sgariepy
@@ Ligne 135: / Ligne 135: @@
 app.Services.GetService(typeof(CustomBackgroundService));
 </code>
+==== Exemple ====
+<code csharp>
+protected override async Task ExecuteTask(CancellationToken cancellationToken)
+{
+    while (!cancellationToken.IsCancellationRequested)
+    {
+        using (var scope = _serviceProvider.CreateScope())
+        {
+            var productService = scope.ServiceProvider.GetService<IProductService>();
+        }
+    }
+}
+</code>
+====== Exemple exécutable dans LinqPad 7 ======
+Language: C# Program, .NET 7.0
+<code csharp>
+void Main()
+{
+	string[] args = new string[0];
+	using IHost host = Host.CreateDefaultBuilder(args)
+		.ConfigureServices((_, services) =>
+			services
+				.AddSingleton<ISimpleService, SimpleService>()
+				.AddSingleton<BasicService>()
+		)
+		.Build();
+	using IServiceScope serviceScope = host.Services.CreateScope();
+	IServiceProvider provider = serviceScope.ServiceProvider;
+	BasicService basicService = provider.GetService<BasicService>();
+	// host.Run();
+	Console.WriteLine("End of program");
+}
+#region Services
+public class BasicService
+{
+	private readonly ISimpleService _simpleService;
+	public BasicService(
+		ISimpleService simpleService)
+	{
+		_simpleService = simpleService;
+		SetupService();
+	}
+	private void SetupService()
+	{
+		_simpleService.SayHello();
+	}
+}
+public interface ISimpleService {
+	public void SayHello();
+}
+public class SimpleService: ISimpleService
+{
+	private readonly ISimpleService _simpleService;
+	public SimpleService() {}
+	public void SayHello()
+	{
+		Console.WriteLine("Hello");
+	}
+}
+#endregion
+</code>