/// <summary>
/// Process the request. This method takes care of executing the rest of the steps
/// to complete the blast search request in a background thread. Which involves
/// 1. Submit the job to server
/// 2. Ping the service with the request identifier to get the status of request.
/// 3. Repeat step 1, at "RetryInterval" for "RetryCount" till a "success"/"failure"
/// status.
/// 4. If the status is a "failure" raise an completed event to notify the user
/// with appropriate details.
/// 5. If the status "success". Get the output of search from server in xml format.
/// 6. Parse the xml and the framework object model.
/// 7. Raise the completed event and notify user with the output.
/// </summary>
/// <param name="sender">Client request Azure Blast search</param>
/// <param name="e">Thread event argument</param>
private void ProcessRequestThread(object sender, DoWorkEventArgs e)
{
ServiceParameters serviceParameters = (ServiceParameters)e.Argument;
IList <ISequenceAlignment> alignments = null;
if (ERROR != serviceParameters.Parameters[SUBMISSONRESULT].ToString())
{
int retrycount = 0;
ServiceRequestInformation info;
do
{
info = GetRequestStatus(serviceParameters);
if (info.Status == ServiceRequestStatus.Ready)
{
break;
}
retrycount++;
}while (retrycount < 10);
if (_workerThread.CancellationPending)
{
e.Cancel = true;
}
else
{
ClustalWCompletedEventArgs eventArgument = null;
if (info.Status == ServiceRequestStatus.Ready)
{
string output = _baseClient.GetOutputAsString(serviceParameters.JobId, serviceParameters.Parameters["ControldId"].ToString());
using (StringReader reader = new StringReader(output))
{
alignments = _ClustalWParser.Parse(reader);
}
eventArgument = new ClustalWCompletedEventArgs(
serviceParameters,
true,
new ClustalWResult(alignments[0]),
null,
string.Empty,
_workerThread.CancellationPending);
e.Result = eventArgument;
}
}
}
}
/// <summary>
/// Validate the results using RequestCompleted event
/// </summary>
/// <param name="sender">ClustalW</param>
/// <param name="e"></param>
void handler_RequestCompleted(object sender, ClustalWCompletedEventArgs e)
{
// Validate the get results
Assert.IsNotNull(e.SearchResult.SequenceAlignment);
foreach (IAlignedSequence alignSeq in e.SearchResult.SequenceAlignment.AlignedSequences)
{
ApplicationLog.WriteLine("Aligned Sequence Sequences :");
foreach (ISequence seq in alignSeq.Sequences)
{
ApplicationLog.WriteLine(string.Concat("Sequence:", seq.ToString()));
}
}
_resetEvent.Set();
ApplicationLog.WriteLine(@"ClustalWServiceHandler BVT : Submit job and Get Results is successfully completed using event");
}
/// <summary>
/// Validate the results using RequestCompleted event
/// </summary>
/// <param name="sender">ClustalW</param>
/// <param name="e"></param>
void handler_RequestCompleted(object sender, ClustalWCompletedEventArgs e)
{
// Validate the get results
Assert.IsNotNull(e.SearchResult.SequenceAlignment);
foreach (IAlignedSequence alignSeq in e.SearchResult.SequenceAlignment.AlignedSequences)
{
ApplicationLog.WriteLine("Aligned Sequence Sequences :");
foreach (ISequence seq in alignSeq.Sequences)
{
ApplicationLog.WriteLine(string.Concat("Sequence:", seq.ToString()));
}
}
_resetEvent.Set();
ApplicationLog.WriteLine(@"ClustalWServiceHandler BVT : Submit job and Get Results is successfully completed using event");
}
