public void Dispose()
{
if (_real == null)
return;
_real.Dispose();
_real = null;
}
public RemoteStudyRootQuery(IApplicationEntity remoteServer)
{
_remoteServer = remoteServer;
_real = new DicomStudyRootQuery(DicomServer.DicomServer.AETitle, remoteServer);
}
public override PriorStudyFinderResult FindPriorStudies()
{
_cancel = false;
var priorsServerQueries = new List<IStudyRootQuery>();
foreach (ServerPartition partition in ServerPartitionMonitor.Instance)
{
using (IReadContext ctx = PersistentStoreRegistry.GetDefaultStore().OpenReadContext())
{
IDeviceEntityBroker broker = ctx.GetBroker<IDeviceEntityBroker>();
DeviceSelectCriteria criteria = new DeviceSelectCriteria();
criteria.DeviceTypeEnum.EqualTo(DeviceTypeEnum.PriorsServer);
criteria.ServerPartitionKey.EqualTo(partition.Key);
IList<Device> list = broker.Find(criteria);
foreach (Device theDevice in list)
{
// Check the settings and log for debug purposes
if (!theDevice.Enabled)
{
Platform.Log(LogLevel.Debug, "Prior Server '{0}' on partition '{1}' is disabled in the device setting",
theDevice.AeTitle, partition.AeTitle);
continue;
}
DicomStudyRootQuery remoteQuery = new DicomStudyRootQuery(partition.AeTitle, theDevice.AeTitle,
theDevice.IpAddress, theDevice.Port);
priorsServerQueries.Add(remoteQuery);
}
}
}
// Log the prior servers for debug purpose
if (Platform.IsLogLevelEnabled(LogLevel.Debug) && priorsServerQueries.Count > 0)
{
StringBuilder log = new StringBuilder();
log.Append("Searching for priors on the following servers:");
StringBuilder serverList = new StringBuilder();
foreach (DicomStudyRootQuery server in priorsServerQueries)
{
if (serverList.Length > 0)
serverList.Append(",");
serverList.AppendFormat("{0}", server);
}
log.Append(serverList.ToString());
Platform.Log(LogLevel.Debug, log.ToString());
}
StudyItemList results = new StudyItemList();
DefaultPatientReconciliationStrategy reconciliationStrategy = new DefaultPatientReconciliationStrategy();
List<string> patientIds = new List<string>();
foreach (Patient patient in Viewer.StudyTree.Patients)
{
if (_cancel)
break;
IPatientData reconciled = reconciliationStrategy.ReconcileSearchCriteria(patient);
if (!patientIds.Contains(reconciled.PatientId))
patientIds.Add(reconciled.PatientId);
}
//Note: we don't catch the exception for this one because it's just querying the other
//partitions, so if it fails we want an outright failure to occur. Besides, it should never happen
//if the server is functioning correctly.
using (StudyRootQueryBridge bridge = new StudyRootQueryBridge(Platform.GetService<IStudyRootQuery>()))
{
foreach (string patientId in patientIds)
{
StudyRootStudyIdentifier identifier = new StudyRootStudyIdentifier {PatientId = patientId};
IList<StudyRootStudyIdentifier> studies = bridge.StudyQuery(identifier);
foreach (StudyRootStudyIdentifier study in studies)
{
if (_cancel)
break;
StudyItem studyItem = ConvertToStudyItem(study);
if (studyItem != null)
results.Add(studyItem);
}
}
}
bool complete = true;
foreach (IStudyRootQuery query in priorsServerQueries)
{
foreach (string patientId in patientIds)
{
try
{
var identifier = new StudyRootStudyIdentifier
{
PatientId = patientId
};
IList<StudyRootStudyIdentifier> list = query.StudyQuery(identifier);
foreach (StudyRootStudyIdentifier i in list)
{
if (_cancel)
break;
StudyItem studyItem = ConvertToStudyItem(i);
if (studyItem != null)
results.Add(studyItem);
}
}
catch (FaultException<DataValidationFault> ex)
{
complete = false;
Platform.Log(LogLevel.Error, ex, "An error has occurred when searching for prior studies on server '{0}'", query.ToString());
}
catch (FaultException<QueryFailedFault> ex)
{
complete = false;
Platform.Log(LogLevel.Error, ex, "An error has occurred when searching for prior studies on server '{0}'", query.ToString());
}
}
}
return new PriorStudyFinderResult(results, complete);
}