完成 sagas 基本测试

samples/apis/SagasServer/Properties/launchSettings.json

@@ -17,7 +17,7 @@
     },
     },
     "SagasServer": {
     "SagasServer": {
       "commandName": "Project",
       "commandName": "Project",
-      "launchBrowser": true,
+      "launchBrowser": false,
       "applicationUrl": "http://localhost:5000",
       "applicationUrl": "http://localhost:5000",
       "environmentVariables": {
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
         "ASPNETCORE_ENVIRONMENT": "Development"

samples/apis/SagasTest.Api/Activities/Transaction1CompensateErrorActivity.cs

@@ -17,7 +17,7 @@ namespace SagasTest.Api.Activities
         {
         {
             this.httpClientFactory = httpClientFactory;
             this.httpClientFactory = httpClientFactory;
         }
         }
-        public Task Compensate(Transaction1Dto data,CancellationToken cancellationToken)
+        public Task Compensate(Transaction1Dto data)
         {
         {
             throw new NotImplementedException();
             throw new NotImplementedException();
         }
         }

samples/apis/SagasTest.Api/Activities/Transaction1ExceptionActivity.cs

@@ -18,7 +18,7 @@ namespace SagasTest.Api.Activities
             this.httpClientFactory = httpClientFactory;
             this.httpClientFactory = httpClientFactory;
 
 
         }
         }
-        public async Task Compensate(Transaction1Dto data, CancellationToken cancellationToken)
+        public async Task Compensate(Transaction1Dto data)
         {
         {
             var httpclient = httpClientFactory.CreateClient();
             var httpclient = httpClientFactory.CreateClient();
             httpclient.BaseAddress = new Uri("http://localhost:5000");
             httpclient.BaseAddress = new Uri("http://localhost:5000");

samples/apis/SagasTest.Api/Activities/Transaction1OkActivity.cs

@@ -17,7 +17,7 @@ namespace SagasTest.Api.Activities
         {
         {
             this.httpClientFactory = httpClientFactory;            
             this.httpClientFactory = httpClientFactory;            
         }
         }
-        public async Task Compensate(Transaction1Dto data, CancellationToken cancellationToken)
+        public async Task Compensate(Transaction1Dto data)
         {
         {
             var httpclient = httpClientFactory.CreateClient();
             var httpclient = httpClientFactory.CreateClient();
             httpclient.BaseAddress = new Uri("http://localhost:5000");
             httpclient.BaseAddress = new Uri("http://localhost:5000");

samples/apis/SagasTest.Api/Activities/Transaction1ReturnFalseActivity.cs

@@ -18,7 +18,7 @@ namespace SagasTest.Api.Activities
             this.httpClientFactory = httpClientFactory;
             this.httpClientFactory = httpClientFactory;
 
 
         }
         }
-        public async Task Compensate(Transaction1Dto data, CancellationToken cancellationToken)
+        public async Task Compensate(Transaction1Dto data)
         {
         {
             var httpclient = httpClientFactory.CreateClient();
             var httpclient = httpClientFactory.CreateClient();
             httpclient.BaseAddress = new Uri("http://localhost:5000");
             httpclient.BaseAddress = new Uri("http://localhost:5000");

samples/apis/SagasTest.Api/Activities/Transaction2CompensateErrorActivity.cs

@@ -17,7 +17,7 @@ namespace SagasTest.Api.Activities
         {
         {
             this.httpClientFactory = httpClientFactory;
             this.httpClientFactory = httpClientFactory;
         }
         }
-        public Task Compensate(Transaction2Dto data, CancellationToken cancellationToken)
+        public Task Compensate(Transaction2Dto data)
         {
         {
             throw new NotImplementedException();
             throw new NotImplementedException();
         }
         }

samples/apis/SagasTest.Api/Activities/Transaction2ExceptionActivity.cs

@@ -18,7 +18,7 @@ namespace SagasTest.Api.Activities
             this.httpClientFactory = httpClientFactory;
             this.httpClientFactory = httpClientFactory;
 
 
         }
         }
-        public async Task Compensate(Transaction2Dto data, CancellationToken cancellationToken)
+        public async Task Compensate(Transaction2Dto data)
         {
         {
             var httpclient = httpClientFactory.CreateClient();
             var httpclient = httpClientFactory.CreateClient();
             httpclient.BaseAddress = new Uri("http://localhost:5000");
             httpclient.BaseAddress = new Uri("http://localhost:5000");

samples/apis/SagasTest.Api/Activities/Transaction2OkActivity.cs

@@ -17,7 +17,7 @@ namespace SagasTest.Api.Activities
         {
         {
             this.httpClientFactory = httpClientFactory;
             this.httpClientFactory = httpClientFactory;
         }
         }
-        public async Task Compensate(Transaction2Dto data, CancellationToken cancellationToken)
+        public async Task Compensate(Transaction2Dto data)
         {
         {
             var httpclient = httpClientFactory.CreateClient();
             var httpclient = httpClientFactory.CreateClient();
             httpclient.BaseAddress = new Uri("http://localhost:5000");
             httpclient.BaseAddress = new Uri("http://localhost:5000");

samples/apis/SagasTest.Api/Activities/Transaction2ReturnFalseActivity.cs

@@ -18,7 +18,7 @@ namespace SagasTest.Api.Activities
             this.httpClientFactory = httpClientFactory;
             this.httpClientFactory = httpClientFactory;
 
 
         }
         }
-        public async Task Compensate(Transaction2Dto data, CancellationToken cancellationToken)
+        public async Task Compensate(Transaction2Dto data)
         {
         {
             var httpclient = httpClientFactory.CreateClient();
             var httpclient = httpClientFactory.CreateClient();
             httpclient.BaseAddress = new Uri("http://localhost:5000");
             httpclient.BaseAddress = new Uri("http://localhost:5000");

samples/apis/SagasTest.Api/Activities/Transaction3ExceptionActivity.cs

@@ -11,7 +11,7 @@ namespace SagasTest.Api.Activities
 {
 {
     public class Transaction3ExceptionActivity : IActivity<Transaction3Dto>
     public class Transaction3ExceptionActivity : IActivity<Transaction3Dto>
     {
     {
-        public Task Compensate(Transaction3Dto data, CancellationToken cancellationToken)
+        public Task Compensate(Transaction3Dto data)
         {
         {
             Console.WriteLine("Transaction3 Rollback");
             Console.WriteLine("Transaction3 Rollback");
             return Task.CompletedTask;
             return Task.CompletedTask;

samples/apis/SagasTest.Api/Activities/Transaction3HasResultActivity.cs

@@ -11,7 +11,7 @@ namespace SagasTest.Api.Activities
 {
 {
     public class Transaction3HasResultActivity : IActivity<Transaction3Dto>
     public class Transaction3HasResultActivity : IActivity<Transaction3Dto>
     {
     {
-        public Task Compensate(Transaction3Dto data, CancellationToken cancellationToken)
+        public Task Compensate(Transaction3Dto data)
         {
         {
             Console.WriteLine("Transaction3 Rollback");
             Console.WriteLine("Transaction3 Rollback");
             return Task.CompletedTask;
             return Task.CompletedTask;

samples/apis/SagasTest.Api/Activities/Transaction3ReturnFalseActivity.cs

@@ -11,7 +11,7 @@ namespace SagasTest.Api.Activities
 {
 {
     public class Transaction3ReturnFalseActivity : IActivity<Transaction3Dto>
     public class Transaction3ReturnFalseActivity : IActivity<Transaction3Dto>
     {
     {
-        public Task Compensate(Transaction3Dto data, CancellationToken cancellationToken)
+        public Task Compensate(Transaction3Dto data)
         {
         {
             Console.WriteLine("Transaction3 Rollback");
             Console.WriteLine("Transaction3 Rollback");
             return Task.CompletedTask;
             return Task.CompletedTask;

src/Pole.EventStorage.PostgreSql/PostgreSqlEventStorage.cs

@@ -85,6 +85,7 @@ $"UPDATE {tableName} SET \"Retries\"=@Retries,\"ExpiresAt\"=@ExpiresAt,\"StatusN
             var result = new List<EventEntity>();
             var result = new List<EventEntity>();
             using (var connection = new NpgsqlConnection(options.ConnectionString))
             using (var connection = new NpgsqlConnection(options.ConnectionString))
             {
             {
+                await connection.OpenAsync();
                 using (var transaction = await connection.BeginTransactionAsync())
                 using (var transaction = await connection.BeginTransactionAsync())
                 {
                 {
                     var reader = await connection.ExecuteReaderAsync(sql);
                     var reader = await connection.ExecuteReaderAsync(sql);

src/Pole.Sagas.Client/Abstraction/IActivity.cs

@@ -10,6 +10,6 @@ namespace Pole.Sagas.Client.Abstraction
     public interface IActivity<TData>
     public interface IActivity<TData>
     {
     {
         Task<ActivityExecuteResult> Execute(TData data ,CancellationToken cancellationToken);
         Task<ActivityExecuteResult> Execute(TData data ,CancellationToken cancellationToken);
-        Task Compensate(TData data, CancellationToken cancellationToken);
+        Task Compensate(TData data);
     }
     }
 }
 }

src/Pole.Sagas.Client/Abstraction/IEventSender.cs

@@ -7,7 +7,7 @@ namespace Pole.Sagas.Client.Abstraction
     {
     {
         Task SagaStarted(string sagaId, string serviceName, DateTime addTime);
         Task SagaStarted(string sagaId, string serviceName, DateTime addTime);
         Task SagaEnded(string sagaId, DateTime ExpiresAt);
         Task SagaEnded(string sagaId, DateTime ExpiresAt);
-        Task ActivityExecuting(string activityId,string activityName, string sagaId, byte[] parameterData, int order, DateTime addTime);
+        Task ActivityExecuting(string activityId,string activityName, string sagaId, string parameterData, int order, DateTime addTime);
         Task ActivityExecuteAborted(string activityId);
         Task ActivityExecuteAborted(string activityId);
         /// <summary>
         /// <summary>
         /// 
         /// 
@@ -19,7 +19,7 @@ namespace Pole.Sagas.Client.Abstraction
         Task ActivityCompensateAborted(string activityId, string sagaId, string errors);
         Task ActivityCompensateAborted(string activityId, string sagaId, string errors);
         Task ActivityCompensated(string activityId);
         Task ActivityCompensated(string activityId);
         Task ActivityOvertimeCompensated(string activityId,bool compensated);
         Task ActivityOvertimeCompensated(string activityId,bool compensated);
-        Task ActivityExecuteOvertime(string activityId,string name,byte [] parameterData,DateTime addTime);
+        Task ActivityExecuteOvertime(string activityId);
         Task ActivityRevoked(string activityId);
         Task ActivityRevoked(string activityId);
     }
     }
 }
 }

src/Pole.Sagas.Client/ActivityWapper.cs

@@ -47,15 +47,14 @@ namespace Pole.Sagas.Client
             var activityParams = Expression.Convert(activityObjParams, ActivityType);
             var activityParams = Expression.Convert(activityObjParams, ActivityType);
             var dataObjParams = Expression.Parameter(typeof(object), "data");
             var dataObjParams = Expression.Parameter(typeof(object), "data");
             var dataParams = Expression.Convert(dataObjParams, ActivityDataType);
             var dataParams = Expression.Convert(dataObjParams, ActivityDataType);
-            var cancellationTokenParams = Expression.Parameter(typeof(CancellationToken), "ct");
-            var method = ActivityType.GetMethod("Compensate", new Type[] { ActivityDataType, typeof(CancellationToken) });
-            var body = Expression.Call(activityParams, method, dataParams, cancellationTokenParams);
-            var func = Expression.Lambda<Func<object, object, CancellationToken, Task>>(body, activityObjParams, dataObjParams, cancellationTokenParams).Compile();
+            var method = ActivityType.GetMethod("Compensate", new Type[] { ActivityDataType});
+            var body = Expression.Call(activityParams, method, dataParams);
+            var func = Expression.Lambda<Func<object, object, Task>>(body, activityObjParams, dataObjParams).Compile();
 
 
             using (var scope = ServiceProvider.CreateScope())
             using (var scope = ServiceProvider.CreateScope())
             {
             {
                 var activity = scope.ServiceProvider.GetRequiredService(ActivityType);
                 var activity = scope.ServiceProvider.GetRequiredService(ActivityType);
-                return func(activity, DataObj, CancellationTokenSource.Token);
+                return func(activity, DataObj);
             }
             }
         }
         }
     }
     }

src/Pole.Sagas.Client/EventSender.cs

@@ -56,7 +56,7 @@ namespace Pole.Sagas.Client
             }
             }
         }
         }
 
 
-        public async Task ActivityExecuting(string activityId, string activityName, string sagaId, byte[] parameterData, int order, DateTime addTime)
+        public async Task ActivityExecuting(string activityId, string activityName, string sagaId, string parameterData, int order, DateTime addTime)
         {
         {
             var result = await sagaClient.ActivityExecutingAsync(new Server.Grpc.ActivityExecutingRequest
             var result = await sagaClient.ActivityExecutingAsync(new Server.Grpc.ActivityExecutingRequest
             {
             {
@@ -64,7 +64,7 @@ namespace Pole.Sagas.Client
                 ActivityName = activityName,
                 ActivityName = activityName,
                 AddTime = addTime.ToString("yyyy-MM-dd HH:mm:ss.fff"),
                 AddTime = addTime.ToString("yyyy-MM-dd HH:mm:ss.fff"),
                 Order = order,
                 Order = order,
-                ParameterData = Google.Protobuf.ByteString.CopyFrom(parameterData),
+                ParameterData = parameterData,
                 SagaId = sagaId,
                 SagaId = sagaId,
             });
             });
             if (!result.IsSuccess)
             if (!result.IsSuccess)
@@ -100,7 +100,7 @@ namespace Pole.Sagas.Client
             }
             }
         }
         }
 
 
-        public async Task ActivityExecuteOvertime(string activityId, string name, byte[] parameterData, DateTime addTime)
+        public async Task ActivityExecuteOvertime(string activityId)
         {
         {
             var result = await sagaClient.ActivityExecuteOvertimeAsync(new Server.Grpc.ActivityExecuteOvertimeRequest
             var result = await sagaClient.ActivityExecuteOvertimeAsync(new Server.Grpc.ActivityExecuteOvertimeRequest
             {
             {

src/Pole.Sagas.Client/PoleSagasOption.cs

@@ -9,7 +9,7 @@ namespace Pole.Sagas.Client
         public string ServiceName { get; set; }
         public string ServiceName { get; set; }
         public int PreSagasGrpcStreamingResponseLimitCount { get; set; } = 20;
         public int PreSagasGrpcStreamingResponseLimitCount { get; set; } = 20;
         public int MaxCompensateTimes { get; set; } = 10;
         public int MaxCompensateTimes { get; set; } = 10;
-        public int MaxOvertimeCompensateTimes { get; set; } = 10;
+        public int MaxOvertimeCompensateTimes { get; set; } = 3;
         public int CompeletedSagaExpiredAfterSeconds { get; set; } = 60 * 10;
         public int CompeletedSagaExpiredAfterSeconds { get; set; } = 60 * 10;
         public int SagasTimeOutSeconds { get; set; } = 60;
         public int SagasTimeOutSeconds { get; set; } = 60;
         public string SagasServerHost { get; set; }
         public string SagasServerHost { get; set; }

src/Pole.Sagas.Client/Saga.cs

@@ -25,6 +25,10 @@ namespace Pole.Sagas.Client
         {
         {
             get { return activities.Count; }
             get { return activities.Count; }
         }
         }
+        private bool IsCompensated
+        {
+            get { return this.activities.All(m => m.ActivityStatus == ActivityStatus.Compensated); }
+        }
         /// <summary>
         /// <summary>
         /// 如果 等于 -1 说明已经在执行补偿操作,此时这个值已经没有意义
         /// 如果 等于 -1 说明已经在执行补偿操作,此时这个值已经没有意义
         /// </summary>
         /// </summary>
@@ -75,13 +79,13 @@ namespace Pole.Sagas.Client
                 ActivityStatus = ActivityStatus.NotStarted,
                 ActivityStatus = ActivityStatus.NotStarted,
                 ActivityType = targetActivityType,
                 ActivityType = targetActivityType,
                 DataObj = data,
                 DataObj = data,
-                Order = CurrentMaxOrder,
+                Order = CurrentMaxOrder + 1,
                 ServiceProvider = serviceProvider,
                 ServiceProvider = serviceProvider,
-                TimeOutSeconds = 2,
+                TimeOutSeconds = timeOutSeconds,
             };
             };
             activities.Add(activityWapper);
             activities.Add(activityWapper);
         }
         }
-        internal void AddActivity(string activityName, string activityStatus, object data, int order, int timeOutSeconds = 2)
+        internal void AddActivity(string id, string activityName, string activityStatus, string data, int order, int compensateTimes,int overtimeCompensateTimes)
         {
         {
             var targetActivityType = activityFinder.FindType(activityName);
             var targetActivityType = activityFinder.FindType(activityName);
 
 
@@ -91,16 +95,19 @@ namespace Pole.Sagas.Client
                 throw new ActivityNotFoundWhenCompensateRetryException(activityName);
                 throw new ActivityNotFoundWhenCompensateRetryException(activityName);
             }
             }
             var dataType = activityInterface.GetGenericArguments()[0];
             var dataType = activityInterface.GetGenericArguments()[0];
+            var dataParameter = serializer.Deserialize(data, dataType);
             ActivityWapper activityWapper = new ActivityWapper
             ActivityWapper activityWapper = new ActivityWapper
             {
             {
                 Name = activityName,
                 Name = activityName,
                 ActivityDataType = dataType,
                 ActivityDataType = dataType,
                 ActivityStatus = (ActivityStatus)Enum.Parse(typeof(ActivityStatus), activityStatus),
                 ActivityStatus = (ActivityStatus)Enum.Parse(typeof(ActivityStatus), activityStatus),
                 ActivityType = targetActivityType,
                 ActivityType = targetActivityType,
-                DataObj = data,
+                DataObj = dataParameter,
                 Order = order,
                 Order = order,
                 ServiceProvider = serviceProvider,
                 ServiceProvider = serviceProvider,
-                TimeOutSeconds = 2,
+                Id = id,
+                CompensateTimes = compensateTimes,
+                OvertimeCompensateTimes= overtimeCompensateTimes
             };
             };
             activities.Add(activityWapper);
             activities.Add(activityWapper);
         }
         }
@@ -131,11 +138,12 @@ namespace Pole.Sagas.Client
                 return true;
                 return true;
             }
             }
             await RecursiveCompensateActivity(compensateActivity);
             await RecursiveCompensateActivity(compensateActivity);
-            if (activities.Any(m => m.ActivityStatus != ActivityStatus.Compensated|| m.ActivityStatus != ActivityStatus.CompensateAborted))
+            // 如果补偿成功 这里返回 true
+            if (activities.All(m => m.ActivityStatus == ActivityStatus.Compensated))
             {
             {
-                return false;
+                return true;
             }
             }
-            return true;
+            return false;
         }
         }
 
 
         private ActivityWapper GetNextExecuteActivity()
         private ActivityWapper GetNextExecuteActivity()
@@ -170,15 +178,24 @@ namespace Pole.Sagas.Client
             }
             }
             try
             try
             {
             {
+                if (activityWapper.ActivityStatus != ActivityStatus.ExecutingOvertime)
+                {
+                    activityWapper.ActivityStatus = ActivityStatus.Compensating;
+                }
                 await activityWapper.InvokeCompensate();
                 await activityWapper.InvokeCompensate();
                 if (activityWapper.ActivityStatus == ActivityStatus.ExecutingOvertime)
                 if (activityWapper.ActivityStatus == ActivityStatus.ExecutingOvertime)
                 {
                 {
                     // 超时 补偿次数已到
                     // 超时 补偿次数已到
-                    var isCompensated = activityWapper.CompensateTimes == poleSagasOption.MaxOvertimeCompensateTimes;
+                    var isCompensated = activityWapper.OvertimeCompensateTimes >= poleSagasOption.MaxOvertimeCompensateTimes;
+                    if (isCompensated)
+                    {
+                        activityWapper.ActivityStatus = ActivityStatus.Compensated;
+                    }
                     await eventSender.ActivityOvertimeCompensated(activityId, isCompensated);
                     await eventSender.ActivityOvertimeCompensated(activityId, isCompensated);
                 }
                 }
                 else
                 else
                 {
                 {
+                    activityWapper.ActivityStatus = ActivityStatus.Compensated;
                     await eventSender.ActivityCompensated(activityId);
                     await eventSender.ActivityCompensated(activityId);
                 }
                 }
                 var compensateActivity = GetNextCompensateActivity();
                 var compensateActivity = GetNextCompensateActivity();
@@ -190,8 +207,9 @@ namespace Pole.Sagas.Client
             }
             }
             catch (Exception exception)
             catch (Exception exception)
             {
             {
+                activityWapper.ActivityStatus = ActivityStatus.CompensateAborted;
                 // todo: 超时操作 如果出错可能 减少 补偿次数 这里 先不做处理
                 // todo: 超时操作 如果出错可能 减少 补偿次数 这里 先不做处理
-                if (activityWapper.CompensateTimes == poleSagasOption.MaxCompensateTimes)
+                if (activityWapper.CompensateTimes >= poleSagasOption.MaxCompensateTimes)
                 {
                 {
                     // 此时 结束 saga 并且设置状态 为 Error
                     // 此时 结束 saga 并且设置状态 为 Error
                     await eventSender.ActivityCompensateAborted(activityId, Id, exception.InnerException != null ? exception.InnerException.Message + exception.StackTrace : exception.Message + exception.StackTrace);
                     await eventSender.ActivityCompensateAborted(activityId, Id, exception.InnerException != null ? exception.InnerException.Message + exception.StackTrace : exception.Message + exception.StackTrace);
@@ -206,21 +224,28 @@ namespace Pole.Sagas.Client
         {
         {
             var activityId = snowflakeIdGenerator.NextId();
             var activityId = snowflakeIdGenerator.NextId();
             activityWapper.Id = activityId;
             activityWapper.Id = activityId;
-            activityWapper.CancellationTokenSource = new System.Threading.CancellationTokenSource(2 * 1000);
+            activityWapper.CancellationTokenSource = new System.Threading.CancellationTokenSource(activityWapper.TimeOutSeconds * 1000);
             try
             try
             {
             {
-                var bytesContent = serializer.SerializeToUtf8Bytes(activityWapper.DataObj, activityWapper.ActivityDataType);
-                await eventSender.ActivityExecuting(activityId, activityWapper.Name, Id, bytesContent, activityWapper.Order, DateTime.UtcNow);
+                var content = serializer.Serialize(activityWapper.DataObj, activityWapper.ActivityDataType);
+                activityWapper.ActivityStatus = ActivityStatus.Executing;
+                await eventSender.ActivityExecuting(activityId, activityWapper.Name, Id, content, activityWapper.Order, DateTime.UtcNow);
                 var result = await activityWapper.InvokeExecute();
                 var result = await activityWapper.InvokeExecute();
                 if (!result.IsSuccess)
                 if (!result.IsSuccess)
                 {
                 {
+                    activityWapper.ActivityStatus = ActivityStatus.Revoked;
                     await eventSender.ActivityRevoked(activityId);
                     await eventSender.ActivityRevoked(activityId);
                     await CompensateActivity(result, currentExecuteOrder);
                     await CompensateActivity(result, currentExecuteOrder);
+                    var expiresAt = DateTime.UtcNow.AddSeconds(poleSagasOption.CompeletedSagaExpiredAfterSeconds);
+                    await eventSender.SagaEnded(Id, expiresAt);
                     return result;
                     return result;
                 }
                 }
+                activityWapper.ActivityStatus = ActivityStatus.Executed;
                 var executeActivity = GetNextExecuteActivity();
                 var executeActivity = GetNextExecuteActivity();
                 if (executeActivity == null)
                 if (executeActivity == null)
                 {
                 {
+                    var expiresAt = DateTime.UtcNow.AddSeconds(poleSagasOption.CompeletedSagaExpiredAfterSeconds);
+                    await eventSender.SagaEnded(Id, expiresAt);
                     return result;
                     return result;
                 }
                 }
                 else
                 else
@@ -239,7 +264,9 @@ namespace Pole.Sagas.Client
                         Errors = errors
                         Errors = errors
                     };
                     };
                     var bytesContent = serializer.SerializeToUtf8Bytes(activityWapper.DataObj, activityWapper.ActivityDataType);
                     var bytesContent = serializer.SerializeToUtf8Bytes(activityWapper.DataObj, activityWapper.ActivityDataType);
-                    await eventSender.ActivityExecuteOvertime(activityId, activityWapper.Name, bytesContent, DateTime.UtcNow);
+
+                    activityWapper.ActivityStatus = ActivityStatus.ExecutingOvertime;
+                    await eventSender.ActivityExecuteOvertime(activityId);
                     // 超时的时候 需要首先补偿这个超时的操作
                     // 超时的时候 需要首先补偿这个超时的操作
                     return await CompensateActivity(result, currentExecuteOrder + 1);
                     return await CompensateActivity(result, currentExecuteOrder + 1);
                 }
                 }
@@ -251,9 +278,17 @@ namespace Pole.Sagas.Client
                         IsSuccess = false,
                         IsSuccess = false,
                         Errors = errors
                         Errors = errors
                     };
                     };
+                    activityWapper.ActivityStatus = ActivityStatus.ExecuteAborted;
                     await eventSender.ActivityExecuteAborted(activityId);
                     await eventSender.ActivityExecuteAborted(activityId);
                     // 出错的时候 需要首先补偿这个出错的操作
                     // 出错的时候 需要首先补偿这个出错的操作
-                    return await CompensateActivity(result, currentExecuteOrder + 1);
+                    var executeResult = await CompensateActivity(result, currentExecuteOrder + 1);
+
+                    var expiresAt = DateTime.UtcNow.AddSeconds(poleSagasOption.CompeletedSagaExpiredAfterSeconds);
+                    if (IsCompensated)
+                    {
+                        await eventSender.SagaEnded(Id, expiresAt);
+                    }
+                    return executeResult;
                 }
                 }
             }
             }
         }
         }

src/Pole.Sagas.Client/SagaRestorer.cs

@@ -5,6 +5,7 @@ using Pole.Sagas.Client.Abstraction;
 using Pole.Sagas.Core;
 using Pole.Sagas.Core;
 using System;
 using System;
 using System.Collections.Generic;
 using System.Collections.Generic;
+using System.Linq;
 using System.Text;
 using System.Text;
 
 
 namespace Pole.Sagas.Client
 namespace Pole.Sagas.Client
@@ -29,9 +30,9 @@ namespace Pole.Sagas.Client
         internal Saga CreateSaga(SagaEntity sagaEntity)
         internal Saga CreateSaga(SagaEntity sagaEntity)
         {
         {
             var saga = new Saga(snowflakeIdGenerator, serviceProvider, eventSender, poleSagasOption, serializer, activityFinder, sagaEntity.Id);
             var saga = new Saga(snowflakeIdGenerator, serviceProvider, eventSender, poleSagasOption, serializer, activityFinder, sagaEntity.Id);
-            foreach (var activity in sagaEntity.ActivityEntities)
+            foreach (var activity in sagaEntity.ActivityEntities.OrderBy(m=>m.Order))
             {
             {
-                saga.AddActivity(activity.Name, activity.Status, activity.ParameterData, activity.Order);
+                saga.AddActivity(activity.Id,activity.Name, activity.Status, activity.ParameterData, activity.Order, activity.CompensateTimes,activity.OvertimeCompensateTimes);
             }
             }
             return saga;
             return saga;
         }
         }

src/Pole.Sagas.Client/SagasCompensateRetryBackgroundService.cs

@@ -17,7 +17,7 @@ using static Pole.Sagas.Server.Grpc.Saga;
 
 
 namespace Pole.Sagas.Client
 namespace Pole.Sagas.Client
 {
 {
-    public class SagasCompensateRetryBackgroundService : IHostedService
+    public class SagasCompensateRetryBackgroundService : BackgroundService
     {
     {
         private readonly PoleSagasOption options;
         private readonly PoleSagasOption options;
         private readonly SagaClient sagaClient;
         private readonly SagaClient sagaClient;
@@ -33,25 +33,6 @@ namespace Pole.Sagas.Client
             this.logger = logger;
             this.logger = logger;
         }
         }
 
 
-        public async Task StartAsync(CancellationToken cancellationToken)
-        {
-            while (true)
-            {
-                try
-                {
-                    await GrpcGetSagasCore(cancellationToken);
-                }
-                catch (Exception ex)
-                {
-                    logger.LogError(ex, "Errors in grpc get sagas");
-                }
-                finally
-                {
-                    await Task.Delay(options.GrpcConnectFailRetryIntervalSeconds * 1000);
-                }
-            }
-        }
-
         private async Task GrpcGetSagasCore(CancellationToken cancellationToken)
         private async Task GrpcGetSagasCore(CancellationToken cancellationToken)
         {
         {
             using (var stream = sagaClient.GetSagas(new Pole.Sagas.Server.Grpc.GetSagasRequest { Limit = options.PreSagasGrpcStreamingResponseLimitCount, ServiceName = options.ServiceName }))
             using (var stream = sagaClient.GetSagas(new Pole.Sagas.Server.Grpc.GetSagasRequest { Limit = options.PreSagasGrpcStreamingResponseLimitCount, ServiceName = options.ServiceName }))
@@ -73,9 +54,9 @@ namespace Pole.Sagas.Client
                                     CompensateTimes = n.CompensateTimes,
                                     CompensateTimes = n.CompensateTimes,
                                     OvertimeCompensateTimes = n.ExecuteTimes,
                                     OvertimeCompensateTimes = n.ExecuteTimes,
                                     Id = n.Id,
                                     Id = n.Id,
-                                    Name = n.Id,
+                                    Name = n.Name,
                                     Order = n.Order,
                                     Order = n.Order,
-                                    ParameterData = n.ParameterData.ToByteArray(),
+                                    ParameterData = n.ParameterData,
                                     SagaId = n.SagaId,
                                     SagaId = n.SagaId,
                                     Status = n.Status
                                     Status = n.Status
                                 }).ToList();
                                 }).ToList();
@@ -101,9 +82,24 @@ namespace Pole.Sagas.Client
             }
             }
         }
         }
 
 
-        public Task StopAsync(CancellationToken cancellationToken)
+
+        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
         {
         {
-            return Task.CompletedTask;
+            while (true)
+            {
+                try
+                {
+                    await GrpcGetSagasCore(stoppingToken);
+                }
+                catch (Exception ex)
+                {
+                    logger.LogError(ex, "Errors in grpc get sagas");
+                }
+                finally
+                {
+                    await Task.Delay(options.GrpcConnectFailRetryIntervalSeconds * 1000);
+                }
+            }
         }
         }
     }
     }
 }
 }

src/Pole.Sagas.Server/SagasBuffer.cs

@@ -56,7 +56,7 @@ namespace Pole.Sagas.Server
                 await semaphoreSlim.WaitAsync();
                 await semaphoreSlim.WaitAsync();
                 if (Sagas.TryGetValue(serviceName, out List<SagaEntity> sagaList))
                 if (Sagas.TryGetValue(serviceName, out List<SagaEntity> sagaList))
                 {
                 {
-                    var result = sagaList.Take(limit);
+                    var result = sagaList.Take(limit).ToList();
                     sagaList.RemoveAll(m => result.Select(n => n.Id).Contains(m.Id));
                     sagaList.RemoveAll(m => result.Select(n => n.Id).Contains(m.Id));
                     Sagas[serviceName] = sagaList;
                     Sagas[serviceName] = sagaList;
                     return result;
                     return result;

src/Pole.Sagas.Server/Services/SagaService.cs

@@ -70,7 +70,7 @@ namespace Pole.Sagas.Server.Services
             CommonResponse commonResponse = new CommonResponse();
             CommonResponse commonResponse = new CommonResponse();
             try
             try
             {
             {
-                await sagaStorage.ActivityExecuteOvertime(request.ActivityId, request.Name, request.ParameterData.ToByteArray(), Convert.ToDateTime(request.AddTime));
+                await sagaStorage.ActivityExecuteOvertime(request.ActivityId);
                 commonResponse.IsSuccess = true;
                 commonResponse.IsSuccess = true;
             }
             }
             catch (Exception ex)
             catch (Exception ex)
@@ -84,7 +84,7 @@ namespace Pole.Sagas.Server.Services
             CommonResponse commonResponse = new CommonResponse();
             CommonResponse commonResponse = new CommonResponse();
             try
             try
             {
             {
-                await sagaStorage.ActivityExecuting(request.ActivityId, request.ActivityName, request.SagaId, request.ParameterData.ToByteArray(), request.Order, Convert.ToDateTime(request.AddTime));
+                await sagaStorage.ActivityExecuting(request.ActivityId, request.ActivityName, request.SagaId, request.ParameterData, request.Order, Convert.ToDateTime(request.AddTime));
                 commonResponse.IsSuccess = true;
                 commonResponse.IsSuccess = true;
             }
             }
             catch (Exception ex)
             catch (Exception ex)
@@ -139,12 +139,16 @@ namespace Pole.Sagas.Server.Services
         {
         {
             while (!context.CancellationToken.IsCancellationRequested)
             while (!context.CancellationToken.IsCancellationRequested)
             {
             {
-                await Task.Delay(poleSagasServerOption.GetSagasGrpcStreamingResponseDelaySeconds*1000);
+                await Task.Delay(poleSagasServerOption.GetSagasGrpcStreamingResponseDelaySeconds * 1000);
 
 
                 GetSagasResponse getSagasResponse = new GetSagasResponse();
                 GetSagasResponse getSagasResponse = new GetSagasResponse();
                 try
                 try
                 {
                 {
                     var sagaEntities = await sagasBuffer.GetSagas(request.ServiceName, request.Limit);
                     var sagaEntities = await sagasBuffer.GetSagas(request.ServiceName, request.Limit);
+                    if (sagaEntities.Count() == 0)
+                    {
+                        continue;
+                    }
                     var sagaDtoes = sagaEntities.Select(m =>
                     var sagaDtoes = sagaEntities.Select(m =>
                     {
                     {
                         var result = new GetSagasResponse.Types.Saga
                         var result = new GetSagasResponse.Types.Saga
@@ -156,9 +160,9 @@ namespace Pole.Sagas.Server.Services
                             CompensateTimes = n.CompensateTimes,
                             CompensateTimes = n.CompensateTimes,
                             ExecuteTimes = n.OvertimeCompensateTimes,
                             ExecuteTimes = n.OvertimeCompensateTimes,
                             Id = n.Id,
                             Id = n.Id,
-                            Name = n.Id,
+                            Name = n.Name,
                             Order = n.Order,
                             Order = n.Order,
-                            ParameterData = ByteString.CopyFrom(n.ParameterData),
+                            ParameterData = n.ParameterData,
                             SagaId = n.SagaId,
                             SagaId = n.SagaId,
                             Status = n.Status
                             Status = n.Status
                         }));
                         }));

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

@@ -6,14 +6,14 @@ namespace Pole.Sagas.Storage.PostgreSql
 {
 {
     public class ActivityAndSagaEntity
     public class ActivityAndSagaEntity
     {
     {
-        public string Id { get; set; }
+        public string ActivityId { get; set; }
         public string SagaId { get; set; }
         public string SagaId { get; set; }
         public string ServiceName { get; set; }
         public string ServiceName { get; set; }
         public int Order { get; set; }
         public int Order { get; set; }
         public string Status { get; set; }
         public string Status { get; set; }
-        public byte[] ParameterData { get; set; }
+        public string ParameterData { get; set; }
         public int OvertimeCompensateTimes { get; set; }
         public int OvertimeCompensateTimes { get; set; }
         public int CompensateTimes { get; set; }
         public int CompensateTimes { get; set; }
-        public int Name { get; set; }
+        public string ActivityName { get; set; }
     }
     }
 }
 }

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

@@ -29,10 +29,11 @@ namespace Pole.Sagas.Storage.PostgreSql
         {
         {
             using (var connection = new NpgsqlConnection(poleSagasStoragePostgreSqlOption.ConnectionString))
             using (var connection = new NpgsqlConnection(poleSagasStoragePostgreSqlOption.ConnectionString))
             {
             {
+                await connection.OpenAsync();
                 using (var tansaction = await connection.BeginTransactionAsync())
                 using (var tansaction = await connection.BeginTransactionAsync())
                 {
                 {
                     var updateActivitySql =
                     var updateActivitySql =
-$"UPDATE {activityTableName} SET \"Status\"=@Status,\"Errors\"=@Errors, \"CompensateTimes\"=\"CompensateTimes\"+1 WHERE \"Id\" = @Id";
+$"UPDATE {activityTableName} SET \"Status\"=@Status,\"CompensateErrors\"=@Errors, \"CompensateTimes\"=\"CompensateTimes\"+1 WHERE \"Id\" = @Id";
                     await connection.ExecuteAsync(updateActivitySql, new
                     await connection.ExecuteAsync(updateActivitySql, new
                     {
                     {
                         Id = activityId,
                         Id = activityId,
@@ -42,7 +43,7 @@ $"UPDATE {activityTableName} SET \"Status\"=@Status,\"Errors\"=@Errors, \"Compen
                     if (!string.IsNullOrEmpty(sagaId))
                     if (!string.IsNullOrEmpty(sagaId))
                     {
                     {
                         var updateSagaSql =
                         var updateSagaSql =
-$"UPDATE {sagaTableName} SET \"Status\"=@Status,\"Errors\"=@Errors WHERE \"Id\" = @Id";
+$"UPDATE {sagaTableName} SET \"Status\"=@Status WHERE \"Id\" = @Id";
                         await connection.ExecuteAsync(updateSagaSql, new
                         await connection.ExecuteAsync(updateSagaSql, new
                         {
                         {
                             Id = sagaId,
                             Id = sagaId,
@@ -83,7 +84,7 @@ $"UPDATE {activityTableName} SET \"Status\"=@Status  WHERE \"Id\" = @Id";
             }
             }
         }
         }
 
 
-        public async Task ActivityExecuteOvertime(string activityId, string name, byte[] parameterData, DateTime addTime)
+        public async Task ActivityExecuteOvertime(string activityId)
         {
         {
             using (var connection = new NpgsqlConnection(poleSagasStoragePostgreSqlOption.ConnectionString))
             using (var connection = new NpgsqlConnection(poleSagasStoragePostgreSqlOption.ConnectionString))
             {
             {
@@ -97,19 +98,20 @@ $"UPDATE {activityTableName} SET \"Status\"=@Status  WHERE \"Id\" = @Id";
             }
             }
         }
         }
 
 
-        public async Task ActivityExecuting(string activityId, string activityName, string sagaId, byte[] ParameterData, int order, DateTime addTime)
+        public async Task ActivityExecuting(string activityId, string activityName, string sagaId, string ParameterData, int order, DateTime addTime)
         {
         {
             using (var connection = new NpgsqlConnection(poleSagasStoragePostgreSqlOption.ConnectionString))
             using (var connection = new NpgsqlConnection(poleSagasStoragePostgreSqlOption.ConnectionString))
             {
             {
                 string sql =
                 string sql =
-           $"INSERT INTO {activityTableName} (\"Id\",\"Name\",\"SagaId\",\"Status\",\"ParameterData\",\"OvertimeCompensateTimes\",\"CompensateTimes\",\"AddTime\")" +
-           $"VALUES(@Id,@Name,@SagaId,@Status,@ParameterData,@OvertimeCompensateTimes,@CompensateTimes,@AddTime);";
+           $"INSERT INTO {activityTableName} (\"Id\",\"Name\",\"SagaId\",\"Status\",\"Order\",\"ParameterData\",\"OvertimeCompensateTimes\",\"CompensateTimes\",\"AddTime\")" +
+           $"VALUES(@Id,@Name,@SagaId,@Status,@Order,@ParameterData,@OvertimeCompensateTimes,@CompensateTimes,@AddTime);";
                 _ = await connection.ExecuteAsync(sql, new
                 _ = await connection.ExecuteAsync(sql, new
                 {
                 {
                     Id = activityId,
                     Id = activityId,
                     Name = activityName,
                     Name = activityName,
                     SagaId = sagaId,
                     SagaId = sagaId,
                     Status = nameof(ActivityStatus.Executing),
                     Status = nameof(ActivityStatus.Executing),
+                    Order = order,
                     ExecutingOvertimeRetries = 0,
                     ExecutingOvertimeRetries = 0,
                     ParameterData = ParameterData,
                     ParameterData = ParameterData,
                     OvertimeCompensateTimes = 0,
                     OvertimeCompensateTimes = 0,
@@ -143,7 +145,7 @@ $"UPDATE {sagaTableName} SET \"Status\"=@Status ,\"ExpiresAt\"=@ExpiresAt WHERE
                 {
                 {
                     Id = sagaId,
                     Id = sagaId,
                     ExpiresAt = ExpiresAt,
                     ExpiresAt = ExpiresAt,
-                    Status = nameof(ActivityStatus.Revoked)
+                    Status = nameof(SagaStatus.Ended)
                 });
                 });
             }
             }
         }
         }
@@ -160,7 +162,7 @@ $"INSERT INTO {sagaTableName} (\"Id\",\"ServiceName\",\"Status\",\"AddTime\")" +
                     Id = sagaId,
                     Id = sagaId,
                     AddTime = addTime,
                     AddTime = addTime,
                     ServiceName = serviceName,
                     ServiceName = serviceName,
-                    Status = nameof(ActivityStatus.Revoked)
+                    Status = nameof(SagaStatus.Started)
                 });
                 });
             }
             }
         }
         }
@@ -170,7 +172,7 @@ $"INSERT INTO {sagaTableName} (\"Id\",\"ServiceName\",\"Status\",\"AddTime\")" +
             using (var connection = new NpgsqlConnection(poleSagasStoragePostgreSqlOption.ConnectionString))
             using (var connection = new NpgsqlConnection(poleSagasStoragePostgreSqlOption.ConnectionString))
             {
             {
                 var sql =
                 var sql =
-$"select limit_sagas.\"Id\" as SagaId,limit_sagas.\"ServiceName\",activities.\"Id\" as ActivityId,activities.\"Order\",activities.\"Status\",activities.\"ParameterData\",activities.\"OvertimeCompensateTimes\",activities.\"CompensateTimes\",activities.\"Name\" from {activityTableName} as activities  inner join(select \"Id\",\"ServiceName\" from {sagaTableName} where \"AddTime\" <= @AddTime and \"Status\" = '{nameof(SagaStatus.Started)}' limit @Limit ) as limit_sagas on activities.\"SagaId\" = limit_sagas.\"Id\" and activities.\"Status\" != @Status1 and activities.\"Status\" != @Status2";
+$"select limit_sagas.\"Id\" as SagaId,limit_sagas.\"ServiceName\",activities.\"Id\" as ActivityId,activities.\"Order\",activities.\"Status\",activities.\"ParameterData\",activities.\"OvertimeCompensateTimes\",activities.\"CompensateTimes\",activities.\"Name\" as ActivityName from {activityTableName} as activities  inner join(select \"Id\",\"ServiceName\" from {sagaTableName} where \"AddTime\" <= @AddTime and \"Status\" = '{nameof(SagaStatus.Started)}' limit @Limit ) as limit_sagas on activities.\"SagaId\" = limit_sagas.\"Id\" and activities.\"Status\" != @Status1 and activities.\"Status\" != @Status2";
                 var activities = await connection.QueryAsync<ActivityAndSagaEntity>(sql, new
                 var activities = await connection.QueryAsync<ActivityAndSagaEntity>(sql, new
                 {
                 {
                     AddTime = dateTime,
                     AddTime = dateTime,
@@ -198,11 +200,12 @@ $"select limit_sagas.\"Id\" as SagaId,limit_sagas.\"ServiceName\",activities.\"I
                             {
                             {
                                 CompensateTimes = activity.CompensateTimes,
                                 CompensateTimes = activity.CompensateTimes,
                                 OvertimeCompensateTimes = activity.OvertimeCompensateTimes,
                                 OvertimeCompensateTimes = activity.OvertimeCompensateTimes,
-                                Id = activity.Id,
+                                Id = activity.ActivityId,
                                 Order = activity.Order,
                                 Order = activity.Order,
                                 ParameterData = activity.ParameterData,
                                 ParameterData = activity.ParameterData,
                                 SagaId = activity.SagaId,
                                 SagaId = activity.SagaId,
                                 Status = activity.Status,
                                 Status = activity.Status,
+                                Name= activity.ActivityName
                             };
                             };
                             sagaEntity.ActivityEntities.Add(activityEntity);
                             sagaEntity.ActivityEntities.Add(activityEntity);
                         }
                         }

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

@@ -63,9 +63,9 @@ CREATE TABLE IF NOT EXISTS {GetActivityTableName()}(
   ""Name"" varchar(255) COLLATE ""pg_catalog"".""default"" NOT NULL,
   ""Name"" varchar(255) COLLATE ""pg_catalog"".""default"" NOT NULL,
   ""SagaId"" varchar(20) COLLATE ""pg_catalog"".""default"" NOT NULL,
   ""SagaId"" varchar(20) COLLATE ""pg_catalog"".""default"" NOT NULL,
   ""Order"" int4 NOT NULL,
   ""Order"" int4 NOT NULL,
-  ""Status"" varchar(10) COLLATE ""pg_catalog"".""default"" NOT NULL,
+  ""Status"" varchar(20) COLLATE ""pg_catalog"".""default"" NOT NULL,
   ""OvertimeCompensateTimes"" int4 NOT NULL,
   ""OvertimeCompensateTimes"" int4 NOT NULL,
-  ""ParameterData"" bytea NOT NULL,
+  ""ParameterData"" text NOT NULL,
   ""CompensateErrors"" varchar(1024) COLLATE ""pg_catalog"".""default"",
   ""CompensateErrors"" varchar(1024) COLLATE ""pg_catalog"".""default"",
   ""CompensateTimes"" int4 NOT NULL,
   ""CompensateTimes"" int4 NOT NULL,
   ""AddTime"" timestamp NOT NULL,
   ""AddTime"" timestamp NOT NULL,

src/Pole.Sagas/Core/Abstraction/ISagaStorage.cs

@@ -12,11 +12,11 @@ namespace Pole.Sagas.Core.Abstraction
     {
     {
         Task SagaStarted(string sagaId, string serviceName,DateTime addTime);
         Task SagaStarted(string sagaId, string serviceName,DateTime addTime);
         Task SagaEnded(string sagaId, DateTime ExpiresAt);
         Task SagaEnded(string sagaId, DateTime ExpiresAt);
-        Task ActivityExecuting(string activityId, string activityName,string sagaId, byte[] ParameterData, int order,DateTime addTime);
+        Task ActivityExecuting(string activityId, string activityName,string sagaId, string ParameterData, int order,DateTime addTime);
         Task ActivityExecuteAborted(string activityId);
         Task ActivityExecuteAborted(string activityId);
         Task ActivityCompensateAborted(string activityId, string sagaId, string errors);
         Task ActivityCompensateAborted(string activityId, string sagaId, string errors);
         Task ActivityCompensated(string activityId);
         Task ActivityCompensated(string activityId);
-        Task ActivityExecuteOvertime(string activityId, string name, byte[] parameterData, DateTime addTime);
+        Task ActivityExecuteOvertime(string activityId);
         Task ActivityRevoked(string activityId);
         Task ActivityRevoked(string activityId);
         IAsyncEnumerable<SagasGroupEntity> GetSagas(DateTime dateTime, int limit);
         IAsyncEnumerable<SagasGroupEntity> GetSagas(DateTime dateTime, int limit);
         Task<int> DeleteExpiredData(string tableName,DateTime ExpiredAt, int batchCount);
         Task<int> DeleteExpiredData(string tableName,DateTime ExpiredAt, int batchCount);

src/Pole.Sagas/Core/ActivityEntity.cs

@@ -11,12 +11,8 @@ namespace Pole.Sagas.Core
         public string SagaId { get; set; }
         public string SagaId { get; set; }
         public int Order { get; set; }
         public int Order { get; set; }
         public string Status { get; set; }
         public string Status { get; set; }
-        public int TimeOutSeconds { get; set; }
-        public Byte[] ParameterData { get; set; }
-        public Byte[] ResultData { get; set; }
-        public string Errors { get; set; }
+        public string ParameterData { get; set; }
         public int OvertimeCompensateTimes { get; set; }
         public int OvertimeCompensateTimes { get; set; }
         public int CompensateTimes  { get; set; }
         public int CompensateTimes  { get; set; }
-        public DateTime AddTime { get; set; }
     }
     }
 }
 }

src/Pole.Sagas/Core/Exceptions/CompensateActivityException.cs

+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Pole.Sagas.Core.Exceptions
+{
+    public class CompensateActivityException : Exception
+    {
+        public CompensateActivityException(string activityName,Exception innerException):base($"activity: {activityName} compensate error", innerException)
+        {
+
+        }
+    }
+}

src/Pole.Sagas/Core/SagaEntity.cs

@@ -8,7 +8,7 @@ namespace Pole.Sagas.Core
     {
     {
         public string Id { get; set; }
         public string Id { get; set; }
         public string ServiceName { get; set; }
         public string ServiceName { get; set; }
-        public List<ActivityEntity> ActivityEntities { get; set; } 
+        public List<ActivityEntity> ActivityEntities { get; set; } = new List<ActivityEntity>();
         public string Status { get; set; }
         public string Status { get; set; }
         public DateTime? ExpiresAt { get; set; }
         public DateTime? ExpiresAt { get; set; }
         public DateTime AddTime { get; set; }
         public DateTime AddTime { get; set; }

src/Pole.Sagas/Core/SagasGroupEntity.cs

@@ -8,6 +8,6 @@ namespace Pole.Sagas.Core
     public class SagasGroupEntity
     public class SagasGroupEntity
     {
     {
         public string ServiceName { get; set; }
         public string ServiceName { get; set; }
-        public List<SagaEntity> SagaEntities { get; set; }
+        public List<SagaEntity> SagaEntities { get; set; } = new List<SagaEntity>();
     }
     }
 }
 }

src/Pole.Sagas/Protos/saga.proto

@@ -34,7 +34,7 @@ message SagaEndedRequest {
 message ActivityExecutingRequest {
 message ActivityExecutingRequest {
   string activityId = 1;
   string activityId = 1;
   string sagaId = 2;
   string sagaId = 2;
-  bytes parameterData = 3;
+  string parameterData = 3;
   int32 order = 4;
   int32 order = 4;
   string addTime = 5;
   string addTime = 5;
   string activityName = 6;
   string activityName = 6;
@@ -55,9 +55,6 @@ message ActivityCompensatedRequest {
 }
 }
 message ActivityExecuteOvertimeRequest {
 message ActivityExecuteOvertimeRequest {
   string activityId = 1;
   string activityId = 1;
-  string name = 2;
-  bytes parameterData = 3;
-  string addTime = 4;
 }
 }
 message ActivityRevokedRequest {
 message ActivityRevokedRequest {
   string activityId = 1;
   string activityId = 1;
@@ -82,7 +79,7 @@ message GetSagasResponse{
       string sagaId = 2;
       string sagaId = 2;
       int32 order = 3;
       int32 order = 3;
       string status = 4;
       string status = 4;
-      bytes parameterData = 5;
+      string parameterData = 5;
       int32 executeTimes = 6;
       int32 executeTimes = 6;
       int32 compensateTimes = 7;
       int32 compensateTimes = 7;
       string name = 8;
       string name = 8;