protected override void run()
{
try
{
MessageTO jobResponse = null;
if (String.Equals("false", ConfigurationManager.AppSettings[config.AppConfigSettingsConstants.EnforceCallback], StringComparison.CurrentCultureIgnoreCase))
{
jobResponse = _client.sendNewJobRequest("SansCallback", 0);
}
else // default if config item doesn't exist or it set to anything but false
{
jobResponse = _client.sendNewJobRequest(_server.SocketContainer.HostName, _server.SocketContainer.ListeningPort);
}
_client.disconnect();
// check job stack isn't empty
if (jobResponse != null && jobResponse.MessageType == MessageTypeTO.NewJobResponse &&
!String.IsNullOrEmpty(jobResponse.Message) && jobResponse.Message.Contains("No more jobs"))
{
_report.addInfo("The Orchestrator service reported there are no more jobs on the work stack. Exiting normally...");
return;
}
// then check we received a valid response
if (jobResponse == null || jobResponse.MessageType != MessageTypeTO.NewJobResponse ||
jobResponse.Configuration == null || !jobResponse.Configuration.isCompleteConfiguration())
{
throw new DownstreamException(null, null, null, jobResponse, "Invalid new job response!", null);
}
_report.addInfo("Successfully connected and registered with orchestrator and received a valid job!");
_config = jobResponse.Configuration;
_report.setConfiguration(_config);
_report.BatchId = jobResponse.Message; // we have the batch ID now - set it on the report for easy tracing
_extractor = jobResponse.Extractor;
// now that we have our config, we can create our file DAO
_fileDao = new FileDaoFactory().getFileDao();
_fileDao.setExtractsDirectory(_config.SiteCode, jobResponse.Message); // messsage should contain correct directory name
// Create the top level query that will drive any subqueries
_vistaQuery = new VistaQuery(_config, _config.QueryConfigurations.RootNode.Value);
if (checkSiteForWork())
{
_report.addDebug(_config.SiteCode + " appears to have work! Starting extraction job...");
extract();
}
else
{
_report.addDebug("Site appears to have no work!");
}
// finally, try and notify orchestrator we have finished
sendUnlockRequest(MessageTypeTO.JobCompletedRequest, _client);
}
catch (Exception exc)
{
_report.Errored = true;
_report.addException(exc);
if (_config != null) // if this was set then we know we received a job
{
sendUnlockRequest(MessageTypeTO.JobErrorRequest, _client);
}
}
finally
{
try
{
_client.disconnect();
_server.stopListener();
}
catch (Exception) { /* nothing we can do if these error */ }
GC.Collect();
}
}