/// <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);
}
}
/// <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());
}
}