feat(cluster): AkkaHostedService and DI extension

2026-05-26 04:31:05 -04:00
parent 3d0f4dc168
commit f184f8ed1b
3 changed files with 151 additions and 0 deletions
@@ -0,0 +1,28 @@
+using Akka.Actor;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using ZB.MOM.WW.OtOpcUa.Commons.Interfaces;
+
+namespace ZB.MOM.WW.OtOpcUa.Cluster;
+
+public static class ServiceCollectionExtensions
+{
+    /// <summary>
+    /// Registers the Akka cluster hosted service and exposes <see cref="ActorSystem"/> and
+    /// <see cref="IClusterRoleInfo"/> as singletons resolved from it. Call after binding
+    /// <c>OTOPCUA_ROLES</c> into <c>AkkaClusterOptions.Roles</c> via the calling Program.cs.
+    /// </summary>
+    public static IServiceCollection AddOtOpcUaCluster(this IServiceCollection services, IConfiguration configuration)
+    {
+        services.AddOptions<AkkaClusterOptions>()
+            .Bind(configuration.GetSection(AkkaClusterOptions.SectionName));
+
+        services.AddSingleton<AkkaHostedService>();
+        services.AddHostedService(sp => sp.GetRequiredService<AkkaHostedService>());
+        services.AddSingleton<ActorSystem>(sp => sp.GetRequiredService<AkkaHostedService>().ActorSystem);
+        services.AddSingleton<IClusterRoleInfo, ClusterRoleInfo>();
+
+        return services;
+    }
+}