优化宿主服务

samples/apis/SagasTest.Api/Startup.cs

@@ -30,7 +30,7 @@ namespace SagasTest.Api
             services.AddControllers();
             services.AddPole(config =>
             {
-                config.AddSagas(option=> {
+                config.AddSagasClient(option=> {
                     option.ServiceName = "SagasTest";
                     option.SagasServerHost = "http://localhost:80";
                 });

src/Pole.Core/Processor/IProcessorServer.cs

-using System;
-using System.Collections.Generic;
-using System.Text;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace Pole.Core.Processor
-{
-    public interface IProcessorServer
-    {
-        Task Start(CancellationToken stoppingToken);
-    }
-}

src/Pole.EventBus/Processor/Server/BackgroundServiceBasedProcessorServer.cs

@@ -12,7 +12,7 @@ using System.Threading.Tasks;
 
 namespace Pole.EventBus.Processor.Server
 {
-    public class BackgroundServiceBasedProcessorServer : BackgroundService, IProcessorServer
+    public class BackgroundServiceBasedProcessorServer : IHostedService
     {
         private readonly IServiceProvider _serviceProvider;
         private Task _compositeTask;
@@ -21,12 +21,13 @@ namespace Pole.EventBus.Processor.Server
         {
             _serviceProvider = serviceProvider;
         }
-        public async Task Start(CancellationToken stoppingToken)
+
+        public async Task StartAsync(CancellationToken cancellationToken)
         {
             var eventStorageInitializer = _serviceProvider.GetService<IEventStorageInitializer>();
-            await eventStorageInitializer.InitializeAsync(stoppingToken);
+            await eventStorageInitializer.InitializeAsync(cancellationToken);
 
-            ProcessingContext processingContext = new ProcessingContext(stoppingToken);
+            ProcessingContext processingContext = new ProcessingContext(cancellationToken);
             List<LoopProcessor> loopProcessors = new List<LoopProcessor>();
             var innerProcessors = _serviceProvider.GetServices<IProcessor>();
             var loggerFactory = _serviceProvider.GetService<ILoggerFactory>();
@@ -40,9 +41,10 @@ namespace Pole.EventBus.Processor.Server
             _compositeTask = Task.WhenAll(tasks);
             await _compositeTask;
         }
-        protected override Task ExecuteAsync(CancellationToken stoppingToken)
+
+        public Task StopAsync(CancellationToken cancellationToken)
         {
-            return Start(stoppingToken);
+            return Task.CompletedTask;
         }
     }
 }

src/Pole.Sagas.Client/PoleSagaServiceCollectionExtensions.cs

@@ -18,7 +18,7 @@ namespace Microsoft.Extensions.DependencyInjection
 {
     public static class PoleSagaServiceCollectionExtensions
     {
-        public static void AddSagas(this StartupConfig startupOption, Action<PoleSagasOption> configAction)
+        public static void AddSagasClient(this StartupConfig startupOption, Action<PoleSagasOption> configAction)
         {
             // 让客户端支持 没有TLS 的 grpc call
             AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
@@ -26,7 +26,7 @@ namespace Microsoft.Extensions.DependencyInjection
             startupOption.Services.AddSingleton<IActivityFinder, ActivityFinder>();
             startupOption.Services.AddSingleton<IEventSender, EventSender>();
             startupOption.Services.AddSingleton<ISagaFactory, SagaFactory>();
-            startupOption.Services.AddHostedService<NotEndedSagasCompensateRetryBackgroundService>();
+            startupOption.Services.AddHostedService<SagasCompensateRetryBackgroundService>();
             PoleSagasOption sagasOption = null;
             using (var provider = startupOption.Services.BuildServiceProvider())
             {

src/Pole.Sagas.Client/NotEndedSagasCompensateRetryBackgroundService.cs → src/Pole.Sagas.Client/SagasCompensateRetryBackgroundService.cs

@@ -17,14 +17,14 @@ using static Pole.Sagas.Server.Grpc.Saga;
 
 namespace Pole.Sagas.Client
 {
-    public class NotEndedSagasCompensateRetryBackgroundService : IHostedService
+    public class SagasCompensateRetryBackgroundService : IHostedService
     {
         private readonly PoleSagasOption options;
         private readonly SagaClient sagaClient;
         private readonly SagaRestorer sagaRestorer;
         private readonly IEventSender eventSender;
         private readonly ILogger logger;
-        public NotEndedSagasCompensateRetryBackgroundService(IOptions<PoleSagasOption> options, SagaClient sagaClient, IServiceProvider serviceProvider, IEventSender eventSender, ILogger<NotEndedSagasCompensateRetryBackgroundService> logger)
+        public SagasCompensateRetryBackgroundService(IOptions<PoleSagasOption> options, SagaClient sagaClient, IServiceProvider serviceProvider, IEventSender eventSender, ILogger<SagasCompensateRetryBackgroundService> logger)
         {
             this.options = options.Value;
             this.sagaClient = sagaClient;
@@ -43,7 +43,7 @@ namespace Pole.Sagas.Client
                 }
                 catch (Exception ex)
                 {
-                    logger.LogError(ex, "Errors in GRPC GetSagas");
+                    logger.LogError(ex, "Errors in grpc get sagas");
                 }
                 finally
                 {

src/Pole.Sagas.Server/Processor/BackgroundServiceBasedProcessorServer.cs

@@ -12,7 +12,7 @@ using System.Linq;
 
 namespace Pole.Sagas.Server.Processor
 {
-    public class BackgroundServiceBasedProcessorServer : BackgroundService, IProcessorServer
+    public class BackgroundServiceBasedProcessorServer : IHostedService
     {
         private readonly IServiceProvider _serviceProvider;
         private Task _compositeTask;
@@ -21,12 +21,13 @@ namespace Pole.Sagas.Server.Processor
         {
             _serviceProvider = serviceProvider;
         }
-        public async Task Start(CancellationToken stoppingToken)
+
+        public async Task StartAsync(CancellationToken cancellationToken)
         {
             var eventStorageInitializer = _serviceProvider.GetService<ISagaStorageInitializer>();
-            await eventStorageInitializer.InitializeAsync(stoppingToken);
+            await eventStorageInitializer.InitializeAsync(cancellationToken);
 
-            ProcessingContext processingContext = new ProcessingContext(stoppingToken);
+            ProcessingContext processingContext = new ProcessingContext(cancellationToken);
             List<LoopProcessor> loopProcessors = new List<LoopProcessor>();
             var innerProcessors = _serviceProvider.GetServices<IProcessor>();
             var loggerFactory = _serviceProvider.GetService<ILoggerFactory>();
@@ -40,9 +41,10 @@ namespace Pole.Sagas.Server.Processor
             _compositeTask = Task.WhenAll(tasks);
             await _compositeTask;
         }
-        protected override Task ExecuteAsync(CancellationToken stoppingToken)
+
+        public Task StopAsync(CancellationToken cancellationToken)
         {
-            return Start(stoppingToken);
+            return Task.CompletedTask;
         }
     }
 }

src/Pole.Sagas.Storage.PostgreSql/PostgreSqlSagaStorageInitializer.cs

@@ -36,17 +36,18 @@ namespace Pole.Sagas.Storage.PostgreSql
             if (cancellationToken.IsCancellationRequested) return;
 
             var sql = CreateDbTablesScript(options.SchemaName);
+
             using (var connection = new NpgsqlConnection(options.ConnectionString))
             {
                 await connection.ExecuteAsync(sql);
             }
-
             logger.LogDebug("Ensuring all create database tables script are applied.");
         }
 
         private string CreateDbTablesScript(string schemaName)
         {
             var batchSql = $@"
+111
 CREATE SCHEMA IF NOT EXISTS ""{options.SchemaName}"";
 
 CREATE TABLE IF NOT EXISTS {GetSagaTableName()}(
@@ -54,9 +55,9 @@ CREATE TABLE IF NOT EXISTS {GetSagaTableName()}(
   ""ServiceName"" varchar(64) COLLATE ""pg_catalog"".""default"" NOT NULL,
   ""Status"" varchar(10) COLLATE ""pg_catalog"".""default"" NOT NULL,
   ""ExpiresAt"" timestamp,
-  ""AddTime"" timestamp NOT NULL
+  ""AddTime"" timestamp NOT NULL,
+  CONSTRAINT ""Sagas_pkey"" PRIMARY KEY (""Id"")
 );
-ALTER TABLE {GetSagaTableName()} ADD CONSTRAINT ""Sagas_pkey"" PRIMARY KEY (""Id"");
 
 CREATE TABLE IF NOT EXISTS {GetActivityTableName()}(
   ""Id"" varchar(20) COLLATE ""pg_catalog"".""default"" NOT NULL,
@@ -68,17 +69,14 @@ CREATE TABLE IF NOT EXISTS {GetActivityTableName()}(
   ""ParameterData"" bytea NOT NULL,
   ""CompensateErrors"" varchar(1024) COLLATE ""pg_catalog"".""default"",
   ""CompensateTimes"" int4 NOT NULL,
-  ""AddTime"" timestamp NOT NULL
+  ""AddTime"" timestamp NOT NULL,
+  CONSTRAINT ""Activities_pkey"" PRIMARY KEY (""Id""),
+  CONSTRAINT ""Activities_SagaId_fkey"" FOREIGN KEY (""SagaId"") REFERENCES {GetSagaTableName()} (""Id"") ON DELETE CASCADE ON UPDATE NO ACTION
 );
 
-CREATE INDEX ""Activities_SagaId"" ON {GetActivityTableName()} USING btree (
+CREATE INDEX IF NOT EXISTS ""Activities_SagaId"" ON {GetActivityTableName()} USING btree (
   ""SagaId"" COLLATE ""pg_catalog"".""default"" ""pg_catalog"".""text_ops"" ASC NULLS LAST
 );
-
-ALTER TABLE {GetActivityTableName()} ADD CONSTRAINT ""Activities_pkey"" PRIMARY KEY (""Id"");
-
-
-ALTER TABLE {GetActivityTableName()} ADD CONSTRAINT ""Activities_SagaId_fkey"" FOREIGN KEY (""SagaId"") REFERENCES {GetSagaTableName()} (""Id"") ON DELETE CASCADE ON UPDATE NO ACTION;
             ";
             return batchSql;
         }