protected static IList<DicomAttributeCollection> Query(IApplicationEntity server, DicomAttributeCollection requestCollection)
{
//special case code for ModalitiesInStudy. An IStudyFinder must accept a multi-valued
//string for ModalitiesInStudy (e.g. "MR\\CT") and process it appropriately for the
//datasource that is being queried. In this case (Dicom) does not allow multiple
//query keys, so we have to execute one query per modality specified in the
//ModalitiesInStudy query item.
List<string> modalityFilters = new List<string>();
if (requestCollection.Contains(DicomTags.ModalitiesInStudy))
{
string modalityFilterString = requestCollection[DicomTags.ModalitiesInStudy].ToString();
if (!String.IsNullOrEmpty(modalityFilterString))
modalityFilters.AddRange(modalityFilterString.Split(new char[] { '\\' }, StringSplitOptions.RemoveEmptyEntries));
if (modalityFilters.Count == 0)
modalityFilters.Add(""); //make sure there is at least one filter, the default.
}
SortedList<string, DicomAttributeCollection> resultsByStudy = new SortedList<string, DicomAttributeCollection>();
string combinedFilter = requestCollection[DicomTags.ModalitiesInStudy];
try
{
foreach (string modalityFilter in modalityFilters)
{
using (StudyRootFindScu scu = new StudyRootFindScu())
{
requestCollection[DicomTags.ModalitiesInStudy].SetStringValue(modalityFilter);
IList<DicomAttributeCollection> results = scu.Find(
DicomServer.AETitle, server.AETitle, server.ScpParameters.HostName, server.ScpParameters.Port, requestCollection);
scu.Join(new TimeSpan(0, 0, 0, 0, 1000));
if(scu.Status == ScuOperationStatus.Canceled)
{
String message = String.Format(SR.MessageFormatRemoteServerCancelledFind,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
if (scu.Status == ScuOperationStatus.ConnectFailed)
{
String message = String.Format(SR.MessageFormatConnectionFailed,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
else if (scu.Status == ScuOperationStatus.AssociationRejected)
{
String message = String.Format(SR.MessageFormatAssociationRejected,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
if (scu.Status == ScuOperationStatus.Failed)
{
String message = String.Format(SR.MessageFormatQueryOperationFailed,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
if (scu.Status == ScuOperationStatus.TimeoutExpired)
{
String message = String.Format(SR.MessageFormatConnectTimeoutExpired,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
if (scu.Status == ScuOperationStatus.NetworkError)
{
throw new DicomException(SR.MessageUnexpectedNetworkError);
}
if (scu.Status == ScuOperationStatus.UnexpectedMessage)
{
throw new DicomException(SR.MessageUnexpectedMessage);
}
//if this function returns true, it means that studies came back whose
//modalities did not match the filter, meaning that filtering on
//ModalitiesInStudy is not supported by that server.
if (FilterResultsByModality(results, resultsByStudy, modalityFilter))
break;
}
}
return new List<DicomAttributeCollection>(resultsByStudy.Values);
}
finally
{
//for consistencies sake, put the original filter back.
requestCollection[DicomTags.ModalitiesInStudy].SetStringValue(combinedFilter);
}
}
private static int QueryDicomServer(Order order,
string shredAETitle,
string dicomServerAETitle,
string dicomServerHost,
int dicomServerPort,
out bool studiesNotFound)
{
DicomAttributeCollection requestCollection = new DicomAttributeCollection();
requestCollection[DicomTags.QueryRetrieveLevel].SetStringValue("STUDY");
requestCollection[DicomTags.StudyInstanceUid].SetStringValue("");
requestCollection[DicomTags.AccessionNumber].SetStringValue(order.AccessionNumber);
requestCollection[DicomTags.NumberOfStudyRelatedInstances].SetStringValue("");
int numberOfInstancesFromDicomServer = 0;
using (StudyRootFindScu scu = new StudyRootFindScu())
{
IList<DicomAttributeCollection> results = scu.Find(
shredAETitle,
dicomServerAETitle,
dicomServerHost,
dicomServerPort,
requestCollection);
// Wait for a response
scu.Join(new TimeSpan(0, 0, 0, 0, 1000));
if (scu.Status == ScuOperationStatus.Canceled)
{
String message = String.Format(SR.MessageFormatDicomRemoteServerCancelledFind,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
if (scu.Status == ScuOperationStatus.ConnectFailed)
{
String message = String.Format(SR.MessageFormatDicomConnectionFailed,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
if (scu.Status == ScuOperationStatus.Failed)
{
String message = String.Format(SR.MessageFormatDicomQueryOperationFailed,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
if (scu.Status == ScuOperationStatus.TimeoutExpired)
{
String message = String.Format(SR.MessageFormatDicomConnectTimeoutExpired,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
foreach (DicomAttributeCollection result in results)
{
numberOfInstancesFromDicomServer += (int) result[DicomTags.NumberOfStudyRelatedInstances].GetUInt32(0, 0);
}
studiesNotFound = results.Count == 0;
}
return numberOfInstancesFromDicomServer;
}
protected static IList <DicomAttributeCollection> Query(IApplicationEntity server, DicomAttributeCollection requestCollection)
{
//special case code for ModalitiesInStudy. An IStudyFinder must accept a multi-valued
//string for ModalitiesInStudy (e.g. "MR\\CT") and process it appropriately for the
//datasource that is being queried. In this case (Dicom) does not allow multiple
//query keys, so we have to execute one query per modality specified in the
//ModalitiesInStudy query item.
List <string> modalityFilters = new List <string>();
if (requestCollection.Contains(DicomTags.ModalitiesInStudy))
{
string modalityFilterString = requestCollection[DicomTags.ModalitiesInStudy].ToString();
if (!String.IsNullOrEmpty(modalityFilterString))
{
modalityFilters.AddRange(modalityFilterString.Split(new char[] { '\\' }, StringSplitOptions.RemoveEmptyEntries));
}
if (modalityFilters.Count == 0)
{
modalityFilters.Add(""); //make sure there is at least one filter, the default.
}
}
SortedList <string, DicomAttributeCollection> resultsByStudy = new SortedList <string, DicomAttributeCollection>();
string combinedFilter = requestCollection[DicomTags.ModalitiesInStudy];
try
{
foreach (string modalityFilter in modalityFilters)
{
using (StudyRootFindScu scu = new StudyRootFindScu())
{
requestCollection[DicomTags.ModalitiesInStudy].SetStringValue(modalityFilter);
IList <DicomAttributeCollection> results = scu.Find(
DicomServer.AETitle, server.AETitle, server.ScpParameters.HostName, server.ScpParameters.Port, requestCollection);
scu.Join(new TimeSpan(0, 0, 0, 0, 1000));
if (scu.Status == ScuOperationStatus.Canceled)
{
String message = String.Format(SR.MessageFormatRemoteServerCancelledFind,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
if (scu.Status == ScuOperationStatus.ConnectFailed)
{
String message = String.Format(SR.MessageFormatConnectionFailed,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
else if (scu.Status == ScuOperationStatus.AssociationRejected)
{
String message = String.Format(SR.MessageFormatAssociationRejected,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
if (scu.Status == ScuOperationStatus.Failed)
{
String message = String.Format(SR.MessageFormatQueryOperationFailed,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
if (scu.Status == ScuOperationStatus.TimeoutExpired)
{
String message = String.Format(SR.MessageFormatConnectTimeoutExpired,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
if (scu.Status == ScuOperationStatus.NetworkError)
{
throw new DicomException(SR.MessageUnexpectedNetworkError);
}
if (scu.Status == ScuOperationStatus.UnexpectedMessage)
{
throw new DicomException(SR.MessageUnexpectedMessage);
}
//if this function returns true, it means that studies came back whose
//modalities did not match the filter, meaning that filtering on
//ModalitiesInStudy is not supported by that server.
if (FilterResultsByModality(results, resultsByStudy, modalityFilter))
{
break;
}
}
}
return(new List <DicomAttributeCollection>(resultsByStudy.Values));
}
finally
{
//for consistencies sake, put the original filter back.
requestCollection[DicomTags.ModalitiesInStudy].SetStringValue(combinedFilter);
}
}
private static int QueryDicomServer(Order order,
string shredAETitle,
string dicomServerAETitle,
string dicomServerHost,
int dicomServerPort,
out bool studiesNotFound)
{
DicomAttributeCollection requestCollection = new DicomAttributeCollection();
requestCollection[DicomTags.QueryRetrieveLevel].SetStringValue("STUDY");
requestCollection[DicomTags.StudyInstanceUid].SetStringValue("");
requestCollection[DicomTags.AccessionNumber].SetStringValue(order.AccessionNumber);
requestCollection[DicomTags.NumberOfStudyRelatedInstances].SetStringValue("");
int numberOfInstancesFromDicomServer = 0;
using (StudyRootFindScu scu = new StudyRootFindScu())
{
IList <DicomAttributeCollection> results = scu.Find(
shredAETitle,
dicomServerAETitle,
dicomServerHost,
dicomServerPort,
requestCollection);
// Wait for a response
scu.Join(new TimeSpan(0, 0, 0, 0, 1000));
if (scu.Status == ScuOperationStatus.Canceled)
{
String message = String.Format(SR.MessageFormatDicomRemoteServerCancelledFind,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
if (scu.Status == ScuOperationStatus.ConnectFailed)
{
String message = String.Format(SR.MessageFormatDicomConnectionFailed,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
if (scu.Status == ScuOperationStatus.Failed)
{
String message = String.Format(SR.MessageFormatDicomQueryOperationFailed,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
if (scu.Status == ScuOperationStatus.TimeoutExpired)
{
String message = String.Format(SR.MessageFormatDicomConnectTimeoutExpired,
scu.FailureDescription ?? "no failure description provided");
throw new DicomException(message);
}
foreach (DicomAttributeCollection result in results)
{
numberOfInstancesFromDicomServer += (int)result[DicomTags.NumberOfStudyRelatedInstances].GetUInt32(0, 0);
}
studiesNotFound = results.Count == 0;
}
return(numberOfInstancesFromDicomServer);
}