/// <summary>
/// Process a response message doing query continuation if needed
/// </summary>
private void PullPatientsAsync(Object state)
{
// Cast request
QBP_Q21 request = state as QBP_Q21;
// Send the PDQ message
try
{
var response = this.m_sender.SendAndReceive(request) as RSP_K21;
AuditUtil.SendPDQAudit(request, response);
if (response == null || response.MSA.AcknowledgmentCode.Value != "AA")
{
foreach (var err in response.ERR.GetErrorCodeAndLocation())
{
Trace.TraceError("{0}: CR ERR: {1} ({2})", this.m_context.JobId, err.CodeIdentifyingError.Text, err.CodeIdentifyingError.AlternateText);
}
// Kill!
Trace.TraceError("Stopping sync");
this.m_errorState = true;
}
// Is there a continuation pointer?
if (!String.IsNullOrEmpty(response.DSC.ContinuationPointer.Value))
{
Trace.TraceInformation("{0}: Need to continue query", this.m_context.JobId);
request.DSC.ContinuationPointer.Value = response.DSC.ContinuationPointer.Value;
this.UpdateMSH(request.MSH, "QBP_Q21", "QBP", "Q22");
this.m_waitThread.QueueUserWorkItem(this.PullPatientsAsync, request);
}
// Process the patients in this response
lock (this.m_syncState)
for (int i = 0; i < response.QUERY_RESPONSERepetitionsUsed; i++)
{
var responseData = response.GetQUERY_RESPONSE(i);
this.m_workerItems.Push(responseData);
}
// Relieve memorypressure
lock (this.m_syncState)
while (this.m_workerItems.Count > 0)
{
this.m_waitThread.QueueUserWorkItem(this.ProcessPIDAsync, this.m_workerItems.Pop());
}
}
catch (Exception e)
{
Trace.TraceError(e.ToString());
this.m_errorState = true;
}
}
