public void SetResponse(string response, bool canResubmit, string errorType)
{
ErrorTrap.AddAssertion(!String.IsNullOrEmpty(response), "response argument can't be empty or null!");
this.canResubmit = canResubmit;
this.errorType = errorType;
try
{
req = SerializationUtility.DeserializeFromString(response, typeof(Tools.Commands.Implementation.IF1.req)) as Tools.Commands.Implementation.IF1.req;
}
catch (Exception ex)
{
ErrorTrap.AddAssertion(false, ex.ToString() + "\r\n" + response);
return;
}
ErrorTrap.AddAssertion(req != null, "Invalid response type for this translator! Expected type is " + typeof(Tools.Commands.Implementation.IF1.req).FullName + "\r\nSource:\r\n" + response);
}
/// <summary>
///
/// </summary>
/// <param name="priority"></param>
/// <returns>Retrieved work item or null if not found, didn't pass pre-check, etc.</returns>
private WorkItem GetWorkItemFromQueue(SubmissionPriority priority)
{
//TODO: Pay great attention here, now workItemCandidate is an instance field!!! (SD)
workItemCandidate = null;
WorkItem workItem = null;
Tools.Commands.Implementation.IF1.req item = null;
Trace.CorrelationManager.ActivityId = Guid.NewGuid();
#region Get message from queue
var transaction = new CommittableTransaction();
try
{
#region Get next job from the queue
//var
using (DependentTransaction dependentTransaction =
transaction.DependentClone(DependentCloneOption.BlockCommitUntilComplete))
{
using (var scope = new TransactionScope(dependentTransaction))
{
//TODO: (SD) Provide timeout option
item = new Tools.Commands.Implementation.IF1.req
{
reqId = (++IdSequence).ToString(),
processingStatus = "P",
errorDesc = "ok",
returnValue = "ok",
updateMechanism = "JMS"
};
scope.Complete();
}
dependentTransaction.Complete();
if (item == null)
{
// if token is equal to null then commit here, as
// consumer will not get to the item anyway.
if (transaction.TransactionInformation.Status == TransactionStatus.Active)
transaction.Commit();
}
}
#endregion
#region If job is not null create a work item for it
if (item != null)
{
workItemCandidate = new RequestWorkItem(0, 0, WorkItemState.AvailableForProcessing,
SubmissionPriority.Normal, Encoding.UTF8.GetBytes(SerializationUtility.Serialize2String(item)), false, false, this.Name,
new ContextIdentifier { InternalId = 0, ExternalReference = IdSequence.ToString(), ExternalId = IdSequence.ToString() })
{
Transaction = transaction,
RetrievedAt = DateTime.Now
};
//**Trace.CorrelationManager.ActivityId = .ContextUid;
Log.Source.TraceEvent(TraceEventType.Start, 0, "Received the item " + item);
// Set transaction on the work item
}
#endregion
this.FailureExceptionHandler.ResetState();
}
catch (Exception ex)
{
try
{
// Rollback the commitable transaction
transaction.Rollback(ex);
}
finally
{
transaction.Dispose();
}
Log.TraceData(Log.Source,
TraceEventType.Error,
ProducerMessage.ErrorDuringObtainingTheWorkItem,
new ContextualLogEntry
{
Message =
"Exception happened when trying to get item " + Environment.NewLine + ex,
ContextIdentifier = ((workItemCandidate != null) ? workItemCandidate.ContextIdentifier : new ContextIdentifier())
});
// To review what is the required handling here for us (SD)
if (ExecutionState == ProcessExecutionState.Running)
{
FailureExceptionType type = this.FailureExceptionHandler.HandleFailure(ex);
if (type == FailureExceptionType.NonRecoverable)
this.Stop();
}
else
{
if (workItemCandidate != null)
{
Log.TraceData(Log.Source, System.Diagnostics.TraceEventType.Information,
ProducerMessage.RetrievedMessageReturnedToTheRetrievalQueue,
new ContextualLogEntry
{
Message = string.Format(
"'{0}': Retrieved Recurrence(Id = {1}) Successfully Saved to the {2} queue",
Name,
workItemCandidate.Id,
""
),
ContextIdentifier = workItemCandidate.ContextIdentifier
});
return null;
}
}
}
#endregion Get message from queue
#region Pre-processing checks
// Convert queue message to work item
// In case sql broker no need to do (SD)
if (workItemCandidate != null)
{
#region WorkItem Diagnostics
workItemCandidate.AttachNote("Received from the " + priority + " Queue ");
#endregion WorkItem Diagnostics
// TODO: //**SD1 - Provide the check for
// No checks done now, see the DB driven implementation for the checks samples (SD)
// It means as well that we can simply assign item candidate to be our work item
workItem = workItemCandidate;
// TODO: (SD) Message body will be the xml retrieved from the sql broker
//**message.GetObjectProperty
}
#endregion Pre-processing checks
// Return retrieved work item (or null)
return workItem;
}
