/// <summary>
/// Submit the search request with the user supplied configuration parameters
/// and sequence. Implementation should make use of the Bio.IO formatters
/// to convert the sequence into the web interface compliant sequence format.
/// This method performs parameter validation and throw Exception on invalid input.
/// </summary>
/// <remarks>An exception is thrown if the request does not succeed.</remarks>
/// <param name="sequence">The sequence to search with</param>
/// <param name="parameters">Blast input parameters</param>
/// <returns>Request Identifier</returns>
public string SubmitRequest(ISequence sequence, BlastParameters parameters)
{
if (null == sequence)
{
throw new ArgumentNullException("sequence");
}
if (null == parameters)
{
throw new ArgumentNullException("parameters");
}
string requestIdentifier = string.Empty;
// Validate the Parameter
ParameterValidationResult valid = ValidateParameters(parameters);
if (!valid.IsValid)
{
throw new Exception(valid.ValidationErrors);
}
// Submit the job to server
inputParams blastRequest = GetRequestParameter(
sequence,
parameters);
blastRequest.appxml = APPXMLYES;
blastRequest.async = true;
data[] mydata = new data[1];
mydata[0] = new data();
mydata[0].type = SEQUENCETYPE;
mydata[0].content = sequence.ToString();
requestIdentifier = _blastClient.runWUBlast(blastRequest, mydata);
// Only if the event is registered, invoke the thread
if (null != RequestCompleted)
{
ThreadParameter threadParameter = new ThreadParameter(
requestIdentifier,
sequence,
parameters);
// Start the BackGroundThread to check the status of job
_workerThread = new BackgroundWorker();
_workerThread.WorkerSupportsCancellation = true;
_workerThread.DoWork += new DoWorkEventHandler(ProcessRequestThread);
_workerThread.RunWorkerCompleted += new RunWorkerCompletedEventHandler(CompletedRequestThread);
_workerThread.RunWorkerAsync(threadParameter);
}
return(requestIdentifier);
}
/// <summary>
/// Submit the search request with the user supplied configuration parameters
/// and sequence. Implementation should make use of the Bio.IO formatters
/// to convert the sequence into the web interface compliant sequence format.
/// This method performs parameter validation and throw Exception on invalid input.
/// </summary>
/// <remarks>An exception is thrown if the request does not succeed.</remarks>
/// <param name="sequence">The sequence to search with</param>
/// <param name="parameters">Blast input parameters</param>
/// <returns>Request Identifier</returns>
public string SubmitRequest(ISequence sequence, BlastParameters parameters)
{
if (null == sequence)
{
throw new ArgumentNullException("sequence");
}
if (null == parameters)
{
throw new ArgumentNullException("parameters");
}
string requestIdentifier;
// Validate the Parameter
ParameterValidationResult valid = ValidateParameters(parameters);
if (!valid.IsValid)
{
throw new Exception(valid.ValidationErrors);
}
// Submit the job to server
BlastSerivceRequest blastRequest = GetRequestParameter(
sequence,
parameters);
try
{
requestIdentifier = _blastClient.SubmitJob(blastRequest).ToString();
}
catch (FaultException <BlastFault> fault)
{
throw new Exception(fault.Detail.Detail);
}
// Only if the event is registered, invoke the thread
if (null != RequestCompleted)
{
ThreadParameter threadParameter = new ThreadParameter(
requestIdentifier,
sequence,
parameters);
// Start the BackGroundThread to check the status of job
_workerThread = new BackgroundWorker();
_workerThread.WorkerSupportsCancellation = true;
_workerThread.DoWork += new DoWorkEventHandler(ProcessRequestThread);
_workerThread.RunWorkerCompleted += new RunWorkerCompletedEventHandler(CompletedRequestThread);
_workerThread.RunWorkerAsync(threadParameter);
}
return(requestIdentifier);
}
/// <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 EBIWU Blast search</param>
/// <param name="argument">Thread event argument</param>
private void ProcessRequestThread(object sender, DoWorkEventArgs argument)
{
ThreadParameter threadParameter = (ThreadParameter)argument.Argument;
string requestIdentifier = threadParameter.RequestIdentifier;
try
{
ServiceRequestInformation requestInfo = new ServiceRequestInformation();
requestInfo.Status = ServiceRequestStatus.Queued;
int retryCount = 0;
do
{
requestInfo = GetRequestStatus(requestIdentifier);
if (requestInfo.Status == ServiceRequestStatus.Ready ||
requestInfo.Status == ServiceRequestStatus.Error ||
_workerThread.CancellationPending)
{
break;
}
retryCount++;
Thread.Sleep(RetryInterval * retryCount);
}while (retryCount < RetryCount);
if (_workerThread.CancellationPending)
{
argument.Cancel = true;
}
else
{
RequestCompletedEventArgs eventArgument = null;
string message;
if (requestInfo.Status == ServiceRequestStatus.Ready)
{
string output = GetResult(
requestIdentifier,
threadParameter.Parameters);
IList <BlastResult> result = Parser.Parse(new StringReader(output));
eventArgument = new RequestCompletedEventArgs(
requestIdentifier,
true,
result,
null,
string.Empty,
_workerThread.CancellationPending);
argument.Result = eventArgument;
}
else if (requestInfo.Status == ServiceRequestStatus.Error)
{
message = String.Format(
Resource.BLASTREQUESTFAILED,
requestIdentifier,
requestInfo.Status,
requestInfo.StatusInformation);
eventArgument = new RequestCompletedEventArgs(
requestIdentifier,
false,
null,
new Exception(message),
message,
_workerThread.CancellationPending);
argument.Result = eventArgument;
}
else
{
message = String.Format(
Resource.BLASTRETRIESEXCEEDED,
requestIdentifier,
requestInfo.Status,
requestInfo.StatusInformation);
eventArgument = new RequestCompletedEventArgs(
requestIdentifier,
false,
null,
new TimeoutException(message),
message,
_workerThread.CancellationPending);
argument.Result = eventArgument;
}
}
}
catch (Exception ex)
{
RequestCompletedEventArgs eventArgument = new RequestCompletedEventArgs(
string.Empty,
false,
null,
ex,
ex.Message,
_workerThread.CancellationPending);
argument.Result = eventArgument;
}
}
/// <summary>
/// Submit the search request with the user supplied configuration parameters
/// and sequence. Implementation should make use of the Bio.IO formatters
/// to convert the sequence into the web interface compliant sequence format.
/// This method performs parameter validation and throw Exception on invalid input.
/// </summary>
/// <remarks>An exception is thrown if the request does not succeed.</remarks>
/// <param name="sequence">The sequence to search with</param>
/// <param name="parameters">Blast input parameters</param>
/// <returns>Request Identifier</returns>
public string SubmitRequest(ISequence sequence, BlastParameters parameters)
{
if (null != sequence)
{
parameters.Add("Query", sequence.ToString());
}
if (null == parameters)
{
throw new ArgumentNullException("parameters");
}
string requestIdentifier = string.Empty;
// Validate the Parameter
ParameterValidationResult valid = ValidateParameters(parameters);
if (!valid.IsValid)
{
throw new Exception(valid.ValidationErrors);
}
parameters.Add(PARAMETERCOMMAND, COMMANDPUT);
Stream responseStream = null;
string statusDescription = string.Empty;
WebAccessor accessor = new WebAccessor();
if (Configuration.UseBrowserProxy)
{
accessor.GetBrowserProxy();
}
if (!accessor.SubmitHttpRequest(
ServiceUri,
true, // do POST
parameters.Settings, // request parameters
out statusDescription,
out responseStream))
{
// failed
accessor.Close();
throw new Exception(String.Format(
Resource.HTTPSUBMITFAILED,
statusDescription));
}
string response = string.Empty;
using (StreamReader r = new StreamReader(responseStream))
{
response = r.ReadToEnd();
string info = ExtractInfoSection(response);
if (!String.IsNullOrEmpty(info))
{
int ridStart = info.IndexOf("RID = ");
if (ridStart >= 0)
{
ridStart += "RID = ".Length;
int ridEnd = info.IndexOf('\n', ridStart);
if (ridEnd >= 0)
{
requestIdentifier = info.Substring(ridStart, ridEnd - ridStart);
}
}
}
r.Close();
}
accessor.Close();
if (string.IsNullOrEmpty(requestIdentifier))
{
string message = String.Format(
Resource.RIDEXTRACTFAILED,
ExtractError(response));
throw new Exception(message);
}
// Only if the event is registered, invoke the thread
if (null != RequestCompleted)
{
ThreadParameter threadParameter = new ThreadParameter(
requestIdentifier,
sequence,
parameters);
// Start the BackGroundThread to check the status of job
_workerThread = new BackgroundWorker();
_workerThread.WorkerSupportsCancellation = true;
_workerThread.DoWork += new DoWorkEventHandler(ProcessRequestThread);
_workerThread.RunWorkerCompleted += new RunWorkerCompletedEventHandler(CompletedRequestThread);
_workerThread.RunWorkerAsync(threadParameter);
}
return(requestIdentifier);
}
