コード例 #1
0
        /// <summary>
        /// Update the status in Track table.
        /// </summary>
        /// <param name="request"></param>
        protected void UpdateProcessStatus(ChainRequest request, string txtInformation)
        {
            Trace.TraceInformation(txtInformation);
            IButlerStorageManager storageManager = BlobManagerFactory.CreateBlobManager(request.ProcessConfigConn);

            storageManager.PersistProcessStatus(request);
        }
コード例 #2
0
        /// <summary>
        /// Process Step exception
        /// 1. Log Execption
        /// 2. Execute Compensation
        /// 3. If you have a exception on compensation. log it too
        /// </summary>
        /// <param name="request"></param>
        /// <param name="stepException"></param>
        private void manageException(ChainRequest request, Exception stepException)
        {
            string TraceMessge = string.Format("[{2}] Step Error {0} at process instance {1}: {3}", GetType().FullName, request.ProcessInstanceId, request.ProcessTypeId, stepException.Message);

            Trace.TraceError(TraceMessge);
            //request.Exceptions.Add(new Exception(TraceMessge, stepException));
            request.Exceptions.Add(TraceMessge);

            //Exception Raise from Step
            request.BreakChain = true;
            try
            {
                //Compensatory action....
                this.HandleCompensation(request);
            }
            catch (Exception compensationException)
            {
                TraceMessge = string.Format("[{2}] Step Error at compensatory method {0} at process instance {1}: {3}", GetType().FullName, request.ProcessInstanceId, request.ProcessTypeId, compensationException.Message);

                Trace.TraceError(TraceMessge);
                //request.Exceptions.Add(new Exception(TraceMessge, compensationException));
                request.Exceptions.Add(TraceMessge);

                throw (compensationException);
            }
        }
コード例 #3
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        protected void PersistProcessStatus(ChainRequest request)
        {
            ProcessSnapShot mysh = new ProcessSnapShot(request.ProcessTypeId, request.ProcessInstanceId);

            try
            {
                Newtonsoft.Json.JsonSerializerSettings x = new Newtonsoft.Json.JsonSerializerSettings();
                x.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore;
                mysh.jsonContext        = Newtonsoft.Json.JsonConvert.SerializeObject(request, Newtonsoft.Json.Formatting.None, x);

                mysh.CurrentStep = request.CurrentStepIndex;
                CloudStorageAccount storageAccount  = CloudStorageAccount.Parse(request.ProcessConfigConn);
                CloudTableClient    tableClient     = storageAccount.CreateCloudTableClient();
                CloudTable          table           = tableClient.GetTableReference(Configuration.ButlerWorkflowStatus);
                TableOperation      insertOperation = TableOperation.InsertOrReplace(mysh);
                table.CreateIfNotExists();
                table.Execute(insertOperation);
            }
            catch (Exception X)
            {
                string txtMessage = string.Format("[{0}] Persist Process Status Error at process {1} instance {2}: error messagase  {3}", this.GetType().FullName, request.ProcessInstanceId, request.ProcessTypeId, X.Message);
                Trace.TraceError(txtMessage);
                throw new Exception(txtMessage);
            }
        }
コード例 #4
0
        /// <summary>
        /// Start the process.
        /// </summary>
        /// <param name="request">Request sahre by all the steps</param>
        public void HandleRequest(ChainRequest request)
        {
            string TraceMessge = "";
            try
            {
               // CheckResumeProcess(request);
                //Execute step logic
                TraceMessge = string.Format("[{2}] Start Step {0} at process instance {1}", this.GetType().FullName, request.ProcessInstanceId,request.ProcessTypeId);
                Trace.TraceInformation(TraceMessge);
                this.HandleExecute(request);
                TraceMessge = string.Format("[{2}] Finish Step {0} at process instance {1}", this.GetType().FullName, request.ProcessInstanceId, request.ProcessTypeId);
                Trace.TraceInformation(TraceMessge);
            }
            catch (Exception X)
            {
                TraceMessge = string.Format("[{2}] Step Error {0} at process instance {1}: {3}", this.GetType().FullName, request.ProcessInstanceId, request.ProcessTypeId,X.Message);

                Trace.TraceError(TraceMessge);

                request.Exceptions.Add( new Exception(TraceMessge,X));
                //Exception Raise from Step
                request.BreakChain = true;
                try
                {
                    //Compensatory action....
                    this.HandleCompensation(request);
                }
                catch (Exception X2)
                {
                    TraceMessge = string.Format("[{2}] Step Error at compensatory method {0} at process instance {1}: {3}", this.GetType().FullName, request.ProcessInstanceId, request.ProcessTypeId, X2.Message);

                    Trace.TraceError(TraceMessge);
                    request.Exceptions.Add(new Exception(TraceMessge, X));
                    throw (X2);
                }

            }
            //Update process status
            UpdateProcessStatus(request);
            if (!request.BreakChain)
            {
                //If exception problem solved
                if (nextStep != null)
                {
                    nextStep.HandleRequest(request);
                }
            }
            else
            {
                //the exceptionwas not solved, break the chain
                //and rise the last error
                throw (request.Exceptions.Last());
            }
        }
コード例 #5
0
        /// <summary>
        /// Start the process.
        /// </summary>
        /// <param name="request">Request sahre by all the steps</param>
        public void HandleRequest(ChainRequest request)
        {
            Exception stepException = null;
            string    TraceMessge   = "";

            try
            {
                //Execute step logic
                request.CurrentStepIndex += 1;
                //Update process status
                TraceMessge = string.Format("[{2}] Start Step {0} at process instance {1} step # {3}", this.GetType().FullName, request.ProcessInstanceId, request.ProcessTypeId, request.CurrentStepIndex.ToString());
                UpdateProcessStatus(request, TraceMessge);
                //Execute Workflow's Step
                HandleExecute(request);
                //Update Process Status
                TraceMessge = string.Format("[{2}] Finish Step {0} at process instance {1}", this.GetType().FullName, request.ProcessInstanceId, request.ProcessTypeId);
                Trace.TraceInformation(TraceMessge);
            }
            catch (Exception currentStepException)
            {
                stepException = currentStepException;
                //Manage Exception and Trigger Compensation
                manageException(request, currentStepException);
            }

            //Update table status after finish Step
            UpdateProcessStatus(request, "");

            if (!request.BreakChain)
            {
                //If exception problem solved Or not Execption
                if (nextStep != null)
                {
                    nextStep.HandleRequest(request);
                }
                else
                {
                    // This is the Workflow last step end.
                    FinishProccessStatus(request);
                }
            }
            else
            {
                //the exceptionwas not solved, break the chain
                //and rise the last error
                if (stepException == null)
                {
                    TraceMessge = string.Format("[{2}] Step Error  {0} at process instance {1}: {3}", GetType().FullName, request.ProcessInstanceId, request.ProcessTypeId, "Not Exception Information");

                    stepException = new Exception(TraceMessge);
                }
                throw (stepException);
            }
        }
コード例 #6
0
        /// <summary>
        /// Start the process.
        /// </summary>
        /// <param name="request">Request sahre by all the steps</param>
        public void HandleRequest(ChainRequest request)
        {
            string TraceMessge = "";

            try
            {
                // CheckResumeProcess(request);
                //Execute step logic
                TraceMessge = string.Format("[{2}] Start Step {0} at process instance {1}", this.GetType().FullName, request.ProcessInstanceId, request.ProcessTypeId);
                Trace.TraceInformation(TraceMessge);
                this.HandleExecute(request);
                TraceMessge = string.Format("[{2}] Finish Step {0} at process instance {1}", this.GetType().FullName, request.ProcessInstanceId, request.ProcessTypeId);
                Trace.TraceInformation(TraceMessge);
            }
            catch (Exception X)
            {
                TraceMessge = string.Format("[{2}] Step Error {0} at process instance {1}: {3}", this.GetType().FullName, request.ProcessInstanceId, request.ProcessTypeId, X.Message);

                Trace.TraceError(TraceMessge);

                request.Exceptions.Add(new Exception(TraceMessge, X));
                //Exception Raise from Step
                request.BreakChain = true;
                try
                {
                    //Compensatory action....
                    this.HandleCompensation(request);
                }
                catch (Exception X2)
                {
                    TraceMessge = string.Format("[{2}] Step Error at compensatory method {0} at process instance {1}: {3}", this.GetType().FullName, request.ProcessInstanceId, request.ProcessTypeId, X2.Message);

                    Trace.TraceError(TraceMessge);
                    request.Exceptions.Add(new Exception(TraceMessge, X));
                    throw (X2);
                }
            }
            //Update process status
            UpdateProcessStatus(request);
            if (!request.BreakChain)
            {
                //If exception problem solved
                if (nextStep != null)
                {
                    nextStep.HandleRequest(request);
                }
            }
            else
            {
                //the exceptionwas not solved, break the chain
                //and rise the last error
                throw (request.Exceptions.Last());
            }
        }
コード例 #7
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        protected void FinishProccessStatus(ChainRequest request)
        {
            ProcessSnapShot mysh = new ProcessSnapShot(request.ProcessTypeId, request.ProcessInstanceId);

            mysh.ETag = "*";
            CloudStorageAccount storageAccount  = CloudStorageAccount.Parse(request.ProcessConfigConn);
            CloudTableClient    tableClient     = storageAccount.CreateCloudTableClient();
            CloudTable          table           = tableClient.GetTableReference(Configuration.ButlerWorkflowStatus);
            TableOperation      insertOperation = TableOperation.Delete(mysh);

            table.Execute(insertOperation);
        }
コード例 #8
0
 /// <summary>
 /// Update the status in Track table.
 /// If the process ends, delete the data from track table.
 /// </summary>
 /// <param name="request"></param>
 protected void UpdateProcessStatus(ChainRequest request)
 {
     if (this.nextStep != null)
     {
         //persist State of the process
         PersistProcessStatus(request);
     }
     else
     {
         //Delete track, process finish
         FinishProccessStatus(request);
     }
     request.CurrentStepIndex += 1;
 }
コード例 #9
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        /// <summary>
        /// Check if keep or delete Status on Table
        /// Base on Configuration
        /// </summary>
        /// <param name="request"></param>
        protected void FinishProccessStatus(ChainRequest request)
        {
            string        jsonData = MediaButler.Common.Configuration.GetConfigurationValue("roleconfig", "MediaButler.Workflow.ButlerWorkFlowManagerWorkerRole", request.ProcessConfigConn);
            IjsonKeyValue x        = new jsonKeyValue(jsonData);

            if ((string.IsNullOrEmpty(x.Read(Configuration.keepStatusProcess))) || (x.Read(Configuration.keepStatusProcess) == "0"))
            {
                //Delete track, process finish
                ProcessSnapShot mysh = new ProcessSnapShot(request.ProcessTypeId, request.ProcessInstanceId);
                mysh.ETag = "*";
                CloudStorageAccount storageAccount  = CloudStorageAccount.Parse(request.ProcessConfigConn);
                CloudTableClient    tableClient     = storageAccount.CreateCloudTableClient();
                CloudTable          table           = tableClient.GetTableReference(Configuration.ButlerWorkflowStatus);
                TableOperation      insertOperation = TableOperation.Delete(mysh);
                table.Execute(insertOperation);
            }
        }
コード例 #10
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 /// <summary>
 /// Execute the Stpe logic
 /// </summary>
 /// <param name="request">Request sahre by all the steps</param>
 public abstract void HandleExecute(ChainRequest request);
コード例 #11
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 /// <summary>
 /// Compensatory method if you have an error in Step execution
 /// If you solve the problem and wants continues with the exxecution, you must set  request.BreakChain = false Explicit!
 /// </summary>
 /// <param name="request"></param>
 public abstract void HandleCompensation(ChainRequest request);
コード例 #12
0
 /// <summary>
 /// Update the status in Track table.
 /// If the process ends, delete the data from track table.
 /// </summary>
 /// <param name="request"></param>
 protected void UpdateProcessStatus(ChainRequest request)
 {
     if (this.nextStep != null)
     {
         //persist State of the process
         PersistProcessStatus(request);
     }
     else
     {
         //Delete track, process finish
         FinishProccessStatus(request);
     }
     request.CurrentStepIndex += 1;
 }
コード例 #13
0
        protected void PersistProcessStatus(ChainRequest request)
        {
            ProcessSnapShot mysh = new ProcessSnapShot(request.ProcessTypeId, request.ProcessInstanceId);
            try
            {
                Newtonsoft.Json.JsonSerializerSettings x= new Newtonsoft.Json.JsonSerializerSettings();
                x.ReferenceLoopHandling=Newtonsoft.Json.ReferenceLoopHandling.Ignore;
                mysh.jsonContext = Newtonsoft.Json.JsonConvert.SerializeObject(request,Newtonsoft.Json.Formatting.None,x);

                mysh.CurrentStep = request.CurrentStepIndex;
                CloudStorageAccount storageAccount = CloudStorageAccount.Parse(request.ProcessConfigConn);
                CloudTableClient tableClient = storageAccount.CreateCloudTableClient();
                CloudTable table = tableClient.GetTableReference(Configuration.ButlerWorkflowStatus);
                TableOperation insertOperation = TableOperation.InsertOrReplace(mysh);
                table.CreateIfNotExists();
                table.Execute(insertOperation);
            }
            catch (Exception X)
            {
                string txtMessage = string.Format("[{0}] Persist Process Status Error at process {1} instance {2}: error messagase  {3}", this.GetType().FullName, request.ProcessInstanceId, request.ProcessTypeId, X.Message);
                Trace.TraceError(txtMessage);
                throw new Exception(txtMessage);
            }
        }
コード例 #14
0
 protected void FinishProccessStatus(ChainRequest request)
 {
     ProcessSnapShot mysh = new ProcessSnapShot(request.ProcessTypeId, request.ProcessInstanceId);
     mysh.ETag = "*";
     CloudStorageAccount storageAccount = CloudStorageAccount.Parse(request.ProcessConfigConn);
     CloudTableClient tableClient = storageAccount.CreateCloudTableClient();
     CloudTable table = tableClient.GetTableReference(Configuration.ButlerWorkflowStatus);
     TableOperation insertOperation = TableOperation.Delete(mysh);
     table.Execute(insertOperation);
 }
コード例 #15
0
 /// <summary>
 /// Compensatory method if you have an error in Step execution
 /// If you solve the problem and wants continues with the exxecution, you must set  request.BreakChain = false Explicit!
 /// </summary>
 /// <param name="request"></param>
 public abstract void HandleCompensation(ChainRequest request);
コード例 #16
0
 /// <summary>
 /// Execute the Stpe logic
 /// </summary>
 /// <param name="request">Request sahre by all the steps</param>
 public abstract void HandleExecute(ChainRequest request);