public PatientSelectCriteria(PatientSelectCriteria other)
: base(other)
{}
/// <summary>
/// Method for processing Patient level queries.
/// </summary>
/// <param name="server"></param>
/// <param name="presentationId"></param>
/// <param name="message">The Patient level query message.</param>
/// <returns></returns>
private void OnReceivePatientQuery(DicomServer server, byte presentationId, DicomMessage message)
{
var tagList = new List<DicomTag>();
using (IReadContext read = PersistentStoreRegistry.GetDefaultStore().OpenReadContext())
{
var find = read.GetBroker<IPatientEntityBroker>();
var criteria = new PatientSelectCriteria();
criteria.ServerPartitionKey.EqualTo(Partition.GetKey());
DicomAttributeCollection data = message.DataSet;
var studySelect = new StudySelectCriteria();
bool studySubSelect = false;
foreach (DicomAttribute attrib in message.DataSet)
{
tagList.Add(attrib.Tag);
if (!attrib.IsNull)
switch (attrib.Tag.TagValue)
{
case DicomTags.PatientsName:
QueryHelper.SetStringCondition(criteria.PatientsName, data[DicomTags.PatientsName].GetString(0, string.Empty));
break;
case DicomTags.PatientId:
QueryHelper.SetStringCondition(criteria.PatientId, data[DicomTags.PatientId].GetString(0, string.Empty));
break;
case DicomTags.IssuerOfPatientId:
QueryHelper.SetStringCondition(criteria.IssuerOfPatientId,
data[DicomTags.IssuerOfPatientId].GetString(0, string.Empty));
break;
case DicomTags.PatientsSex:
// Specify a subselect on Patients Sex in Study
QueryHelper.SetStringArrayCondition(studySelect.PatientsSex,
(string[])data[DicomTags.PatientsSex].Values);
if (!studySubSelect)
{
criteria.StudyRelatedEntityCondition.Exists(studySelect);
studySubSelect = true;
}
break;
case DicomTags.PatientsBirthDate:
// Specify a subselect on Patients Birth Date in Study
QueryHelper.SetStringArrayCondition(studySelect.PatientsBirthDate,
(string[])data[DicomTags.PatientsBirthDate].Values);
if (!studySubSelect)
{
criteria.StudyRelatedEntityCondition.Exists(studySelect);
studySubSelect = true;
}
break;
default:
foreach (var q in _queryExtensions)
{
bool extensionSubSelect;
q.OnReceivePatientLevelQuery(message, attrib.Tag, criteria, studySelect, out extensionSubSelect);
if (extensionSubSelect && !studySubSelect)
{
criteria.StudyRelatedEntityCondition.Exists(studySelect);
studySubSelect = true;
}
}
break;
}
}
int resultCount = 0;
try
{
find.Find(criteria, delegate(Patient row)
{
if (CancelReceived)
throw new DicomException("DICOM C-Cancel Received");
resultCount++;
if (DicomSettings.Default.MaxQueryResponses != -1
&& DicomSettings.Default.MaxQueryResponses < resultCount)
{
SendBufferedResponses(server, presentationId, message);
throw new DicomException("Maximum Configured Query Responses Exceeded: " + resultCount);
}
var response = new DicomMessage();
PopulatePatient(response, tagList, row);
_responseQueue.Enqueue(response);
if (_responseQueue.Count >= DicomSettings.Default.BufferedQueryResponses)
SendBufferedResponses(server, presentationId, message);
});
SendBufferedResponses(server, presentationId, message);
}
catch (Exception e)
{
if (CancelReceived)
{
var errorResponse = new DicomMessage();
server.SendCFindResponse(presentationId, message.MessageId, errorResponse,
DicomStatuses.Cancel);
}
else if (DicomSettings.Default.MaxQueryResponses != -1
&& DicomSettings.Default.MaxQueryResponses < resultCount)
{
Platform.Log(LogLevel.Warn, "Maximum Configured Query Responses Exceeded: {0} on query from {1}", resultCount, server.AssociationParams.CallingAE);
var errorResponse = new DicomMessage();
server.SendCFindResponse(presentationId, message.MessageId, errorResponse,
DicomStatuses.Success);
AuditLog(server.AssociationParams,
EventIdentificationContentsEventOutcomeIndicator.Success, message);
}
else
{
Platform.Log(LogLevel.Error, e, "Unexpected exception when processing FIND request.");
var errorResponse = new DicomMessage();
server.SendCFindResponse(presentationId, message.MessageId, errorResponse,
DicomStatuses.QueryRetrieveUnableToProcess);
AuditLog(server.AssociationParams,
EventIdentificationContentsEventOutcomeIndicator.SeriousFailureActionTerminated, message);
}
return;
}
}
var finalResponse = new DicomMessage();
server.SendCFindResponse(presentationId, message.MessageId, finalResponse, DicomStatuses.Success);
AuditLog(server.AssociationParams, EventIdentificationContentsEventOutcomeIndicator.Success, message);
return;
}
public PatientSelectCriteria(PatientSelectCriteria other)
: base(other)
{
}
private static Patient FindPatient(PatientInfo patientInfo, IPersistenceContext context)
{
IPatientEntityBroker patientFindBroker = context.GetBroker<IPatientEntityBroker>();
PatientSelectCriteria criteria = new PatientSelectCriteria();
if (!String.IsNullOrEmpty(patientInfo.PatientId))
criteria.PatientId.EqualTo(patientInfo.PatientId);
else
criteria.PatientId.IsNull();
if (!String.IsNullOrEmpty(patientInfo.Name))
criteria.PatientsName.EqualTo(patientInfo.Name);
else
criteria.PatientsName.IsNull();
return patientFindBroker.FindOne(criteria);
}
private Patient FindPatient(PatientInfo patientInfo, IPersistenceContext context)
{
var patientFindBroker = context.GetBroker<IPatientEntityBroker>();
var criteria = new PatientSelectCriteria();
criteria.ServerPartitionKey.EqualTo(_partition.Key);
if (!String.IsNullOrEmpty(patientInfo.PatientId))
criteria.PatientId.EqualTo(patientInfo.PatientId);
else
criteria.PatientId.IsNull();
if (!String.IsNullOrEmpty(patientInfo.PatientsName))
criteria.PatientsName.EqualTo(patientInfo.PatientsName);
else
criteria.PatientsName.IsNull();
return patientFindBroker.FindOne(criteria);
}
