/// <summary>
/// Create Duplicate SIQ Entry
/// </summary>
/// <param name="file"></param>
/// <param name="location"></param>
/// <param name="sourcePath"></param>
/// <param name="queue"></param>
/// <param name="uid"></param>
public static void CreateDuplicateSIQEntry(DicomFile file, StudyStorageLocation location, string sourcePath, WorkQueue queue, WorkQueueUid uid)
{
Platform.Log(LogLevel.Info, "Creating Work Queue Entry for duplicate...");
String uidGroup = queue.GroupID ?? queue.GetKey().Key.ToString();
using (var commandProcessor = new ServerCommandProcessor("Insert Work Queue entry for duplicate"))
{
commandProcessor.AddCommand(new FileDeleteCommand(sourcePath, true));
var sopProcessingContext = new SopProcessingContext(commandProcessor, location, uidGroup);
DicomProcessingResult result = Process(sopProcessingContext, file);
if (!result.Successful)
{
FailUid(uid, true);
return;
}
commandProcessor.AddCommand(new DeleteWorkQueueUidCommand(uid));
if (!commandProcessor.Execute())
{
Platform.Log(LogLevel.Error, "Unexpected error when creating duplicate study integrity queue entry: {0}", commandProcessor.FailureReason);
FailUid(uid, true);
}
}
}
static private void SaveDuplicate(SopProcessingContext context, DicomFile file)
{
String sopUid = file.DataSet[DicomTags.SopInstanceUid].ToString();
String path = Path.Combine(context.StudyLocation.FilesystemPath, context.StudyLocation.PartitionFolder);
context.CommandProcessor.AddCommand(new CreateDirectoryCommand(path));
path = Path.Combine(path, ServerPlatform.ReconcileStorageFolder);
context.CommandProcessor.AddCommand(new CreateDirectoryCommand(path));
path = Path.Combine(path, context.Group /* the AE title + timestamp */);
context.CommandProcessor.AddCommand(new CreateDirectoryCommand(path));
path = Path.Combine(path, context.StudyLocation.StudyInstanceUid);
context.CommandProcessor.AddCommand(new CreateDirectoryCommand(path));
path = Path.Combine(path, sopUid);
path += "." + ServerPlatform.DuplicateFileExtension;
context.CommandProcessor.AddCommand(new SaveDicomFileCommand(path, file, true));
Platform.Log(ServerPlatform.InstanceLogLevel, "Duplicate ==> {0}", path);
}
/// <summary>
/// Creates an instance of <see cref="ImageReconciler"/>
/// </summary>
/// <param name="context"></param>
public ImageReconciler(SopProcessingContext context)
{
_context = context;
}
private DicomProcessingResult HandleDuplicate(string sopInstanceUid, StudyStorageLocation studyLocation, ServerCommandProcessor commandProcessor, DicomFile file)
{
Study study = studyLocation.Study ??
studyLocation.LoadStudy(ServerExecutionContext.Current.PersistenceContext);
if (study != null)
Platform.Log(LogLevel.Info, "Received duplicate SOP {0} (A#:{1} StudyUid:{2} Patient: {3} ID:{4})",
sopInstanceUid,
study.AccessionNumber, study.StudyInstanceUid,
study.PatientsName, study.PatientId);
else
Platform.Log(LogLevel.Info,
"Received duplicate SOP {0} (StudyUid:{1}). Existing files haven't been processed.",
sopInstanceUid, studyLocation.StudyInstanceUid);
SopProcessingContext sopProcessingContext = new SopProcessingContext(commandProcessor, studyLocation, _context.ContextID);
DicomProcessingResult result = DuplicateSopProcessorHelper.Process(sopProcessingContext, file);
return result;
}
static private void SaveDuplicate(SopProcessingContext context, DicomFile file)
{
String sopUid = file.DataSet[DicomTags.SopInstanceUid].ToString();
String path = Path.Combine(context.StudyLocation.FilesystemPath, context.StudyLocation.PartitionFolder);
context.CommandProcessor.AddCommand(new CreateDirectoryCommand(path));
path = Path.Combine(path, ServerPlatform.ReconcileStorageFolder);
context.CommandProcessor.AddCommand(new CreateDirectoryCommand(path));
path = Path.Combine(path, context.Group /* the AE title + timestamp */);
context.CommandProcessor.AddCommand(new CreateDirectoryCommand(path));
path = Path.Combine(path, context.StudyLocation.StudyInstanceUid);
context.CommandProcessor.AddCommand(new CreateDirectoryCommand(path));
path = Path.Combine(path, sopUid);
path += "." + ServerPlatform.DuplicateFileExtension;
context.CommandProcessor.AddCommand(new SaveDicomFileCommand(path, file, true));
Platform.Log(ServerPlatform.InstanceLogLevel, "Duplicate ==> {0}", path);
}
/// <summary>
/// Create Duplicate SIQ Entry
/// </summary>
/// <param name="file"></param>
/// <param name="location"></param>
/// <param name="sourcePath"></param>
/// <param name="queue"></param>
/// <param name="uid"></param>
public static void CreateDuplicateSIQEntry(DicomFile file, StudyStorageLocation location, string sourcePath, WorkQueue queue, WorkQueueUid uid)
{
Platform.Log(LogLevel.Info, "Creating Work Queue Entry for duplicate...");
String uidGroup = queue.GroupID ?? queue.GetKey().Key.ToString();
using (var commandProcessor = new ServerCommandProcessor("Insert Work Queue entry for duplicate"))
{
commandProcessor.AddCommand(new FileDeleteCommand(sourcePath, true));
var sopProcessingContext = new SopProcessingContext(commandProcessor, location, uidGroup);
DicomProcessingResult result = Process(sopProcessingContext, file);
if (!result.Successful)
{
FailUid(uid, true);
return;
}
commandProcessor.AddCommand(new DeleteWorkQueueUidCommand(uid));
if (!commandProcessor.Execute())
{
Platform.Log(LogLevel.Error, "Unexpected error when creating duplicate study integrity queue entry: {0}", commandProcessor.FailureReason);
FailUid(uid, true);
}
}
}
// TODO: Make these values configurable
#endregion
#region Public Methods
/// <summary>
/// Inserts the duplicate DICOM file into the <see cref="WorkQueue"/> for processing (if applicable).
/// </summary>
/// <param name="context">The processing context.</param>
/// <param name="file">Thje duplicate DICOM file being processed.</param>
/// <returns>A <see cref="DicomProcessingResult"/> that contains the result of the processing.</returns>
/// <remarks>
/// This method inserts <see cref="ServerCommand"/> into <paramref name="context.CommandProcessor"/>.
/// The outcome of the operation depends on the <see cref="DuplicateSopPolicyEnum"/> of the <see cref="ServerPartition"/>.
/// If it is set to <see cref="DuplicateSopPolicyEnum.CompareDuplicates"/>, the duplicate file will be
/// inserted into the <see cref="WorkQueue"/> for processing.
/// </remarks>
static public DicomProcessingResult Process(SopProcessingContext context, DicomFile file)
{
Platform.CheckForNullReference(file, "file");
Platform.CheckForNullReference(context, "context");
Platform.CheckMemberIsSet(context.Group, "parameters.Group");
Platform.CheckMemberIsSet(context.CommandProcessor, "parameters.CommandProcessor");
Platform.CheckMemberIsSet(context.StudyLocation, "parameters.StudyLocation");
var result = new DicomProcessingResult
{
DicomStatus = DicomStatuses.Success,
Successful = true,
StudyInstanceUid = file.DataSet[DicomTags.StudyInstanceUid].GetString(0, string.Empty),
SeriesInstanceUid = file.DataSet[DicomTags.SeriesInstanceUid].GetString(0, string.Empty),
SopInstanceUid = file.DataSet[DicomTags.SopInstanceUid].GetString(0, string.Empty),
SopClassUid = file.DataSet[DicomTags.SopClassUid].GetString(0, string.Empty),
AccessionNumber = file.DataSet[DicomTags.AccessionNumber].GetString(0, string.Empty)
};
string failureMessage;
if (SopClassIsReport(result.SopClassUid) && context.StudyLocation.ServerPartition.AcceptLatestReport)
{
Platform.Log(LogLevel.Info, "Duplicate Report received, overwriting {0}", result.SopInstanceUid);
SaveDuplicate(context, file);
context.CommandProcessor.AddCommand(
new UpdateWorkQueueCommand(file, context.StudyLocation, true, ServerPlatform.DuplicateFileExtension, context.Group));
return result;
}
if (DuplicatePolicy.IsParitionDuplicatePolicyOverridden(context.StudyLocation))
{
Platform.Log(LogLevel.Warn, "Duplicate instance received for study {0} on Partition {1}. Duplicate policy overridden. Will overwrite {2}",
result.StudyInstanceUid, context.StudyLocation.ServerPartition.AeTitle, result.SopInstanceUid);
SaveDuplicate(context, file);
context.CommandProcessor.AddCommand(new UpdateWorkQueueCommand(file, context.StudyLocation, true, ServerPlatform.DuplicateFileExtension, context.Group));
return result;
}
else
{
if (context.StudyLocation.ServerPartition.DuplicateSopPolicyEnum.Equals(DuplicateSopPolicyEnum.SendSuccess))
{
Platform.Log(LogLevel.Info, "Duplicate SOP Instance received, sending success response {0}", result.SopInstanceUid);
return result;
}
if (context.StudyLocation.ServerPartition.DuplicateSopPolicyEnum.Equals(DuplicateSopPolicyEnum.RejectDuplicates))
{
failureMessage = String.Format("Duplicate SOP Instance received, rejecting {0}", result.SopInstanceUid);
Platform.Log(LogLevel.Info, failureMessage);
result.SetError(DicomStatuses.DuplicateSOPInstance, failureMessage);
return result;
}
if (context.StudyLocation.ServerPartition.DuplicateSopPolicyEnum.Equals(DuplicateSopPolicyEnum.CompareDuplicates))
{
SaveDuplicate(context, file);
context.CommandProcessor.AddCommand(
new UpdateWorkQueueCommand(file, context.StudyLocation, true, ServerPlatform.DuplicateFileExtension, context.Group));
}
else
{
failureMessage = String.Format("Duplicate SOP Instance received. Unsupported duplicate policy {0}.", context.StudyLocation.ServerPartition.DuplicateSopPolicyEnum);
result.SetError(DicomStatuses.DuplicateSOPInstance, failureMessage);
return result;
}
}
return result;
}
/// <summary>
/// Schedules a reconciliation for the specified <see cref="DicomFile"/>
/// </summary>
/// <param name="context"></param>
/// <param name="file"></param>
/// <param name="uid"></param>
private static void ScheduleReconcile(SopProcessingContext context, DicomFile file, WorkQueueUid uid)
{
ImageReconciler reconciler = new ImageReconciler(context);
reconciler.ScheduleReconcile(file, StudyIntegrityReasonEnum.InconsistentData, uid);
}
/// <summary>
/// Process a specific DICOM file related to a <see cref="WorkQueue"/> request.
/// </summary>
/// <remarks>
/// <para>
/// On success and if <see cref="uid"/> is set, the <see cref="WorkQueueUid"/> field is deleted.
/// </para>
/// </remarks>
/// <param name="stream">The <see cref="StudyXml"/> file to update with information from the file.</param>
/// <param name="group">A group the sop is associated with.</param>
/// <param name="file">The file to process.</param>
/// <param name="compare">Flag to compare the demographics of <see cref="file"/> with the demographics in the database</param>
/// <param name="retry">Flag telling if the item should be retried on failure. Note that if the item is a duplicate, the WorkQueueUid item is not failed. </param>
/// <param name="uid">An optional WorkQueueUid associated with the entry, that will be deleted upon success or failed on failure.</param>
/// <param name="deleteFile">An option file to delete as part of the process</param>
/// <exception cref="Exception"/>
/// <exception cref="DicomDataException"/>
public ProcessingResult ProcessFile(string group, DicomFile file, StudyXml stream, bool compare, bool retry, WorkQueueUid uid, string deleteFile)
{
Platform.CheckForNullReference(file, "file");
try
{
CheckDataLength(file);
_instanceStats.ProcessTime.Start();
ProcessingResult result = new ProcessingResult
{
Status = ProcessingStatus.Success
};
using (ServerCommandProcessor processor = new ServerCommandProcessor("Process File"))
{
SopProcessingContext processingContext = new SopProcessingContext(processor,
_context.StorageLocation, group);
if (EnforceNameRules)
{
_patientNameRules.Apply(file);
}
if (compare && ShouldReconcile(_context.StorageLocation, file))
{
ScheduleReconcile(processingContext, file, uid);
result.Status = ProcessingStatus.Reconciled;
}
else
{
InsertInstance(file, stream, uid, deleteFile);
result.Status = ProcessingStatus.Success;
}
}
_instanceStats.ProcessTime.End();
if (_context.SopProcessedRulesEngine.Statistics.LoadTime.IsSet)
_instanceStats.SopRulesLoadTime.Add(_context.SopProcessedRulesEngine.Statistics.LoadTime);
if (_context.SopProcessedRulesEngine.Statistics.ExecutionTime.IsSet)
_instanceStats.SopEngineExecutionTime.Add(_context.SopProcessedRulesEngine.Statistics.ExecutionTime);
_context.SopProcessedRulesEngine.Statistics.Reset();
//TODO: Should throw exception if result is failed?
return result;
}
catch (Exception e)
{
// If its a duplicate, ignore the exception, and just throw it
if (deleteFile != null && (e is InstanceAlreadyExistsException
|| e.InnerException != null && e.InnerException is InstanceAlreadyExistsException))
throw;
if (uid != null)
FailUid(uid, retry);
throw;
}
}
// TODO: Make these values configurable
#endregion
#region Public Methods
/// <summary>
/// Inserts the duplicate DICOM file into the <see cref="WorkQueue"/> for processing (if applicable).
/// </summary>
/// <param name="context">The processing context.</param>
/// <param name="file">Thje duplicate DICOM file being processed.</param>
/// <returns>A <see cref="DicomProcessingResult"/> that contains the result of the processing.</returns>
/// <remarks>
/// This method inserts <see cref="ServerCommand"/> into <paramref name="context.CommandProcessor"/>.
/// The outcome of the operation depends on the <see cref="DuplicateSopPolicyEnum"/> of the <see cref="ServerPartition"/>.
/// If it is set to <see cref="DuplicateSopPolicyEnum.CompareDuplicates"/>, the duplicate file will be
/// inserted into the <see cref="WorkQueue"/> for processing.
/// </remarks>
static public DicomProcessingResult Process(SopProcessingContext context, DicomFile file)
{
Platform.CheckForNullReference(file, "file");
Platform.CheckForNullReference(context, "context");
Platform.CheckMemberIsSet(context.Group, "parameters.Group");
Platform.CheckMemberIsSet(context.CommandProcessor, "parameters.CommandProcessor");
Platform.CheckMemberIsSet(context.StudyLocation, "parameters.StudyLocation");
var result = new DicomProcessingResult
{
DicomStatus = DicomStatuses.Success,
Successful = true,
StudyInstanceUid = file.DataSet[DicomTags.StudyInstanceUid].GetString(0, string.Empty),
SeriesInstanceUid = file.DataSet[DicomTags.SeriesInstanceUid].GetString(0, string.Empty),
SopInstanceUid = file.DataSet[DicomTags.SopInstanceUid].GetString(0, string.Empty),
SopClassUid = file.DataSet[DicomTags.SopClassUid].GetString(0, string.Empty),
AccessionNumber = file.DataSet[DicomTags.AccessionNumber].GetString(0, string.Empty)
};
string failureMessage;
if (SopClassIsReport(result.SopClassUid) && context.StudyLocation.ServerPartition.AcceptLatestReport)
{
Platform.Log(LogLevel.Info, "Duplicate Report received, overwriting {0}", result.SopInstanceUid);
SaveDuplicate(context, file);
context.CommandProcessor.AddCommand(
new UpdateWorkQueueCommand(file, context.StudyLocation, true, ServerPlatform.DuplicateFileExtension, context.Group));
return(result);
}
if (DuplicatePolicy.IsParitionDuplicatePolicyOverridden(context.StudyLocation))
{
Platform.Log(LogLevel.Warn, "Duplicate instance received for study {0} on Partition {1}. Duplicate policy overridden. Will overwrite {2}",
result.StudyInstanceUid, context.StudyLocation.ServerPartition.AeTitle, result.SopInstanceUid);
SaveDuplicate(context, file);
context.CommandProcessor.AddCommand(new UpdateWorkQueueCommand(file, context.StudyLocation, true, ServerPlatform.DuplicateFileExtension, context.Group));
return(result);
}
else
{
if (context.StudyLocation.ServerPartition.DuplicateSopPolicyEnum.Equals(DuplicateSopPolicyEnum.SendSuccess))
{
Platform.Log(LogLevel.Info, "Duplicate SOP Instance received, sending success response {0}", result.SopInstanceUid);
return(result);
}
if (context.StudyLocation.ServerPartition.DuplicateSopPolicyEnum.Equals(DuplicateSopPolicyEnum.RejectDuplicates))
{
failureMessage = String.Format("Duplicate SOP Instance received, rejecting {0}", result.SopInstanceUid);
Platform.Log(LogLevel.Info, failureMessage);
result.SetError(DicomStatuses.DuplicateSOPInstance, failureMessage);
return(result);
}
if (context.StudyLocation.ServerPartition.DuplicateSopPolicyEnum.Equals(DuplicateSopPolicyEnum.CompareDuplicates))
{
SaveDuplicate(context, file);
context.CommandProcessor.AddCommand(
new UpdateWorkQueueCommand(file, context.StudyLocation, true, ServerPlatform.DuplicateFileExtension, context.Group));
}
else
{
failureMessage = String.Format("Duplicate SOP Instance received. Unsupported duplicate policy {0}.", context.StudyLocation.ServerPartition.DuplicateSopPolicyEnum);
result.SetError(DicomStatuses.DuplicateSOPInstance, failureMessage);
return(result);
}
}
return(result);
}
