/// <summary>
/// Lookup the device entity in the database corresponding to the remote AE of the association.
/// </summary>
/// <param name="partition">The partition to look up the devices</param>
/// <param name="association">The association</param>
/// <param name="isNew">Indicates whether the device returned is created by the call.</param>
/// <returns>The device record corresponding to the called AE of the association</returns>
public static Device LookupDevice(ServerPartition partition, AssociationParameters association, out bool isNew)
{
isNew = false;
Device device;
if (DeviceCache.TryGetValue(association.CallingAE + partition.Key, out device))
{
return(device);
}
using (
IUpdateContext updateContext =
PersistentStoreRegistry.GetDefaultStore().OpenUpdateContext(UpdateContextSyncMode.Flush))
{
var deviceEntityBroker = updateContext.GetBroker <IDeviceEntityBroker>();
// Setup the select parameters.
var queryParameters = new DeviceSelectCriteria();
queryParameters.AeTitle.EqualTo(association.CallingAE);
queryParameters.ServerPartitionKey.EqualTo(partition.GetKey());
var devices = deviceEntityBroker.Find(queryParameters);
foreach (var d in devices)
{
if (string.Compare(d.AeTitle, association.CallingAE, false, CultureInfo.InvariantCulture) == 0)
{
device = d;
break;
}
}
if (device == null)
{
if (!partition.AcceptAnyDevice)
{
return(null);
}
if (partition.AutoInsertDevice)
{
// Auto-insert a new entry in the table.
var updateColumns = new DeviceUpdateColumns
{
AeTitle = association.CallingAE,
Enabled = true,
Description = String.Format("AE: {0}", association.CallingAE),
Dhcp = false,
IpAddress = association.RemoteEndPoint.Address.ToString(),
ServerPartitionKey = partition.GetKey(),
Port = partition.DefaultRemotePort,
AllowQuery = true,
AllowRetrieve = true,
AllowStorage = true,
ThrottleMaxConnections = ImageServerCommonConfiguration.Device.MaxConnections,
DeviceTypeEnum = DeviceTypeEnum.Workstation
};
var insert = updateContext.GetBroker <IDeviceEntityBroker>();
device = insert.Insert(updateColumns);
updateContext.Commit();
isNew = true;
}
}
if (device != null)
{
// For DHCP devices, we always update the remote ip address, if its changed from what is in the DB.
if (device.Dhcp && !association.RemoteEndPoint.Address.ToString().Equals(device.IpAddress))
{
var updateColumns = new DeviceUpdateColumns
{
IpAddress = association.RemoteEndPoint.Address.ToString(),
LastAccessedTime = Platform.Time
};
if (!deviceEntityBroker.Update(device.GetKey(), updateColumns))
{
Platform.Log(LogLevel.Error,
"Unable to update IP Address for DHCP device {0} on partition '{1}'",
device.AeTitle, partition.Description);
}
else
{
updateContext.Commit();
}
}
else if (!isNew)
{
var updateColumns = new DeviceUpdateColumns {
LastAccessedTime = Platform.Time
};
if (!deviceEntityBroker.Update(device.GetKey(), updateColumns))
{
Platform.Log(LogLevel.Error,
"Unable to update LastAccessedTime device {0} on partition '{1}'",
device.AeTitle, partition.Description);
}
else
{
updateContext.Commit();
}
}
DeviceCache.Add(device.AeTitle + partition.Key, device);
}
}
return(device);
}
private AutoReconcilerResult MergeImage(StudyReconcileAction action, DicomFile file, StudyHistory lastHistory)
{
string originalSeriesUid = file.DataSet[DicomTags.SeriesInstanceUid].ToString();
string originalSopUid = file.DataSet[DicomTags.SopInstanceUid].ToString();
AutoReconcilerResult preProcessingResult = null;
StudyStorageLocation destStudy;
UidMapper uidMapper = null;
if (lastHistory.DestStudyStorageKey != null)
{
StudyStorage destinationStudy = StudyStorage.Load(lastHistory.DestStudyStorageKey);
//Load the destination. An exception will be thrown if any issues are encountered.
FilesystemMonitor.Instance.GetWritableStudyStorageLocation(destinationStudy.ServerPartitionKey,
destinationStudy.StudyInstanceUid,
StudyRestore.True, StudyCache.True,
out destStudy);
EnsureStudyCanBeUpdated(destStudy);
bool belongsToAnotherStudy = !destStudy.Equals(StorageLocation);
ImageUpdateCommandBuilder commandBuilder = new ImageUpdateCommandBuilder();
IList <BaseImageLevelUpdateCommand> commands = commandBuilder.BuildCommands <StudyMatchingMap>(destStudy);
if (belongsToAnotherStudy)
{
Platform.Log(LogLevel.Info, "AUTO-RECONCILE: Move SOP {0} to Study {1}, A#: {2}, Patient {3}", originalSopUid, destStudy.StudyInstanceUid, destStudy.Study.AccessionNumber, destStudy.Study.PatientsName);
// Load the Uid Map, either from cache or from disk
if (!_uidMapCache.TryGetValue(destStudy.Key, out uidMapper))
{
UidMapXml mapXml = new UidMapXml();
mapXml.Load(destStudy);
uidMapper = new UidMapper(mapXml);
_uidMapCache.Add(destStudy.Key, uidMapper);
}
try
{
commands.Add(GetUidMappingCommand(StorageLocation, destStudy, uidMapper, originalSopUid, originalSeriesUid));
}
catch (InstanceAlreadyExistsException ex)
{
Platform.Log(LogLevel.Info, "An instance already exists with the SOP Instance Uid {0}", ex.SopInstanceUid);
preProcessingResult = new AutoReconcilerResult(StudyReconcileAction.Discard)
{
DiscardImage = true
};
return(preProcessingResult);
}
}
preProcessingResult = new AutoReconcilerResult(action)
{
Changes = GetUpdateList(file, commands)
};
UpdateImage(file, commands);
// First, must update the map
if (uidMapper != null && uidMapper.Dirty)
{
UpdateUidMap(destStudy, uidMapper);
}
if (belongsToAnotherStudy)
{
SopInstanceImporterContext importContext = new SopInstanceImporterContext(_contextID, file.SourceApplicationEntityTitle, destStudy.ServerPartition);
SopInstanceImporter importer = new SopInstanceImporter(importContext);
DicomProcessingResult result = importer.Import(file);
if (!result.Successful)
{
throw new ApplicationException(result.ErrorMessage);
}
}
}
return(preProcessingResult);
}