private IEnumerable<PartitionSopClass> LoadPartitionSopClasses(ServerPartition partition)
{
IList<PartitionSopClass> list = null;
if (Cache.IsSupported())
{
var cacheKey = "PartitionSopClasses-" + partition.Key;
using (var cacheClient = Cache.CreateClient(_cacheId))
{
list = cacheClient.Get(cacheKey, new CacheGetOptions("default")) as IList<PartitionSopClass>;
if (list == null)
{
Platform.Log(LogLevel.Debug, "Loading PartitionSopClass from database");
list = LoadPartitionSopClassesFromDatabase(partition);
cacheClient.Put(cacheKey, list, new CachePutOptions("default", TimeSpan.FromSeconds(30), false /*no sliding. Reload 60 seconds*/));
}
}
}
else
{
list = LoadPartitionSopClassesFromDatabase(partition);
}
return list;
}
/// <summary>
/// Inserts delete request(s) to delete a series in a study.
/// </summary>
/// <param name="context">The persistence context used for database connection.</param>
/// <param name="partition">The <see cref="ServerPartition"/> where the study resides</param>
/// <param name="studyInstanceUid">The Study Instance Uid of the study</param>
/// <param name="reason">The reason for deleting the series.</param>
/// <returns>A list of DeleteSeries <see cref="WorkQueue"/> entries inserted into the system.</returns>
/// <exception cref="InvalidStudyStateOperationException"></exception>
public static WorkQueue DeleteStudy(IUpdateContext context, ServerPartition partition, string studyInstanceUid,
string reason)
{
StudyStorageLocation location = FindStudyStorageLocation(context, partition, studyInstanceUid);
string failureReason;
try
{
if (LockStudyForDeletion(location.Key, out failureReason))
{
WorkQueue deleteRequest = InsertDeleteStudyRequest(context, location, reason);
if (deleteRequest == null)
throw new ApplicationException(
String.Format("Unable to insert a Delete Study request for study {0}",
location.StudyInstanceUid));
return deleteRequest;
}
}
catch (Exception ex)
{
Platform.Log(LogLevel.Error, ex, "Errors occurred when trying to insert study delete request");
if (!ReleaseDeletionLock(location.Key))
Platform.Log(LogLevel.Error, "Unable to unlock the study: " + location.StudyInstanceUid);
throw;
}
throw new ApplicationException(
String.Format("Unable to lock storage location {0} for deletion : {1}", location.Key, failureReason));
}
/// <summary>
/// Inserts a move request to move one or more series in a study.
/// </summary>
/// <param name="context">The persistence context used for database connection.</param>
/// <param name="partition">The <see cref="ServerPartition"/> where the study resides</param>
/// <param name="studyInstanceUid">The Study Instance Uid of the study</param>
/// <param name="deviceKey">The Key of the device to move the series to.</param>
/// <param name="seriesInstanceUids">The Series Instance Uid of the series to be move.</param>
/// <param name="externalRequest">Optional <see cref="ExternalRequestQueue"/> entry that triggered this move</param>
/// <returns>A MoveSeries <see cref="WorkQueue"/> entry inserted into the system.</returns>
/// <exception cref="InvalidStudyStateOperationException"></exception>
public static IList<WorkQueue> MoveSeries(IUpdateContext context, ServerPartition partition, string studyInstanceUid, ServerEntityKey deviceKey, List<string> seriesInstanceUids, ExternalRequestQueue externalRequest=null)
{
// Find all location of the study in the system and insert series delete request
IList<StudyStorageLocation> storageLocations = StudyStorageLocation.FindStorageLocations(partition.Key, studyInstanceUid);
IList<WorkQueue> entries = new List<WorkQueue>();
foreach (StudyStorageLocation location in storageLocations)
{
try
{
// insert a move series request
WorkQueue request = InsertMoveSeriesRequest(context, location, seriesInstanceUids, deviceKey, externalRequest);
Debug.Assert(request.WorkQueueTypeEnum.Equals(WorkQueueTypeEnum.WebMoveStudy));
entries.Add(request);
}
catch (Exception ex)
{
Platform.Log(LogLevel.Error, ex, "Errors occurred when trying to insert move request");
if (!ServerHelper.UnlockStudy(location.Key))
throw new ApplicationException("Unable to unlock the study");
}
}
return entries;
}
private void StartPartitionListener(ServerPartition part)
{
var parms = new DicomScpContext(part);
if (DicomSettings.Default.ListenIPV4)
{
var ipV4Scp = new DicomScp<DicomScpContext>(parms, AssociationVerifier.Verify,
AssociationAuditLogger.InstancesTransferredAuditLogger)
{
ListenPort = part.Port,
AeTitle = part.AeTitle,
ListenAddress = IPAddress.Any
};
StartScp(ipV4Scp, _listenerList);
}
if (DicomSettings.Default.ListenIPV6)
{
var ipV6Scp = new DicomScp<DicomScpContext>(parms, AssociationVerifier.Verify,
AssociationAuditLogger.InstancesTransferredAuditLogger)
{
ListenPort = part.Port,
AeTitle = part.AeTitle,
ListenAddress = IPAddress.IPv6Any
};
StartScp(ipV6Scp, _listenerList);
}
}
/// <summary>
/// Inserts delete request(s) to delete a series in a study.
/// </summary>
/// <param name="context">The persistence context used for database connection.</param>
/// <param name="partition">The <see cref="ServerPartition"/> where the study resides</param>
/// <param name="studyInstanceUid">The Study Instance Uid of the study</param>
/// <param name="seriesInstanceUids">The Series Instance Uid of the series to be deleted.</param>
/// <param name="reason">The reason for deleting the series.</param>
/// <returns>A list of DeleteSeries <see cref="WorkQueue"/> entries inserted into the system.</returns>
/// <exception cref="InvalidStudyStateOperationException"></exception>
public static IList<WorkQueue> DeleteSeries(IUpdateContext context, ServerPartition partition, string studyInstanceUid, List<string> seriesInstanceUids, string reason)
{
// Find all location of the study in the system and insert series delete request
IList<StudyStorageLocation> storageLocations = StudyStorageLocation.FindStorageLocations(partition.Key, studyInstanceUid);
IList<WorkQueue> entries = new List<WorkQueue>();
foreach (StudyStorageLocation location in storageLocations)
{
try
{
string failureReason;
if (ServerHelper.LockStudy(location.Key, QueueStudyStateEnum.WebDeleteScheduled, out failureReason))
{
// insert a delete series request
WorkQueue request = InsertDeleteSeriesRequest(context, location, seriesInstanceUids, reason);
Debug.Assert(request.WorkQueueTypeEnum.Equals(WorkQueueTypeEnum.WebDeleteStudy));
entries.Add(request);
}
else
{
throw new ApplicationException(String.Format("Unable to lock storage location {0} for deletion : {1}", location.Key, failureReason));
}
}
catch(Exception ex)
{
Platform.Log(LogLevel.Error, ex, "Errors occurred when trying to insert delete request");
if (!ServerHelper.UnlockStudy(location.Key))
throw new ApplicationException("Unable to unlock the study");
}
}
return entries;
}
public StudyRulesEngine(ServerRulesEngine studyRulesEngine, StudyStorageLocation location, ServerPartition partition, StudyXml studyXml)
{
_studyRulesEngine = studyRulesEngine;
_studyXml = studyXml;
_location = location;
_partition = partition ?? ServerPartition.Load(_location.ServerPartitionKey);
}
/// <summary>
/// Returns the <see cref="PartitionSopClass"/> for the specified sop class and partition or NULL if the sop class UID is not set.
/// </summary>
/// <param name="partition"></param>
/// <param name="sopClassUid"></param>
/// <returns></returns>
public PartitionSopClass GetPartitionSopClass(ServerPartition partition, string sopClassUid)
{
Platform.CheckForNullReference(partition, "partition");
Platform.CheckForEmptyString(sopClassUid, "sopClassUid");
var list = LoadPartitionSopClasses(partition);
return list.SingleOrDefault(entry => entry.SopClassUid == sopClassUid);
}
/// <summary>
/// Creates an instance of <see cref="SopInstanceImporterContext"/> to be used
/// by <see cref="SopInstanceImporter"/>
/// </summary>
/// <param name="contextID">The ID assigned to the context. This will be used as the name of storage folder in case of duplicate.</param>
/// <param name="sourceAE">Source AE title of the image(s) to be imported</param>
/// <param name="partition">The <see cref="ServerPartition"/> which the image(s) will be imported to</param>
public SopInstanceImporterContext(string contextID, string sourceAE, ServerPartition partition)
{
Platform.CheckForEmptyString(contextID, "contextID");
Platform.CheckForNullReference(partition, "partition");
_contextID = contextID;
_sourceAE = sourceAE;
_partition = partition;
}
public ValidationStudyInfo(Study theStudy, ServerPartition partition)
{
ServerAE = partition.AeTitle;
PatientsName = theStudy.PatientsName;
PatientsId = theStudy.PatientId;
StudyInstaneUid = theStudy.StudyInstanceUid;
AccessionNumber = theStudy.AccessionNumber;
StudyDate = theStudy.StudyDate;
}
public UpdateInstanceCommand(ServerPartition partition,
StudyStorageLocation studyLocation,
DicomFile file)
: base("Update existing SOP Instance")
{
_partition = partition;
_studyLocation = studyLocation;
_file = file;
}
public ImageServerDbGenerator(ServerPartition partition, DateTime startDate, int totalStudies, int studiesPerDay, int percentWeekend)
{
_startDate = startDate;
_totalStudies = totalStudies;
_studiesPerDay = studiesPerDay;
_percentWeekend = percentWeekend;
_partition = partition;
_backroundTask = new BackgroundTask(Run, true);
}
public ServerActionContext(DicomMessageBase msg, ServerEntityKey filesystemKey,
ServerPartition partition, ServerEntityKey studyLocationKey)
{
Message = msg;
ServerPartitionKey = partition.Key;
StudyLocationKey = studyLocationKey;
FilesystemKey = filesystemKey;
ServerPartition = partition;
}
public StudyDeleteRecord(ServerPartition partition, string studyInstanceUid, string accessionNumber, string patientId, string patientName)
: base("StudyDeleteRecord")
{
this.ServerPartitionAE = partition.AeTitle;
this.StudyInstanceUid = studyInstanceUid;
this.Timestamp = Platform.Time;
this.AccessionNumber = accessionNumber;
this.PatientId = patientId;
this.PatientsName = patientName;
}
public ImageServerDbGenerator(string aeTitle, string host, int port, DateTime startDate, int totalStudies, int studiesPerDay, int percentWeekend)
{
_startDate = startDate;
_totalStudies = totalStudies;
_studiesPerDay = studiesPerDay;
_percentWeekend = percentWeekend;
_partition = null;
_aeTitle = aeTitle;
_host = host;
_port = port;
_backroundTask = new BackgroundTask(Run, true);
}
/// <summary>
/// Add a partition in the database.
/// </summary>
/// <param name="partition"></param>
/// <param name="groupsWithDataAccess"></param>
public bool AddPartition(ServerPartition partition, List<string> groupsWithDataAccess)
{
Platform.Log(LogLevel.Info, "Adding new server partition : AETitle = {0}", partition.AeTitle);
bool result = _serverAdapter.AddServerPartition(partition, groupsWithDataAccess);
if (result)
Platform.Log(LogLevel.Info, "Server Partition added : AETitle = {0}", partition.AeTitle);
else
Platform.Log(LogLevel.Info, "Failed to add Server Partition: AETitle = {0}", partition.AeTitle);
return result;
}
/// <summary>
/// Update the partition whose GUID and new information are specified in <paramref name="partition"/>.
///
/// </summary>
/// <param name="partition"></param>
/// <param name="groupsWithDataAccess"></param>
/// <returns></returns>
public bool UpdatePartition(ServerPartition partition, List<string> groupsWithDataAccess)
{
Platform.Log(LogLevel.Info, "Updating server partition: AETitle = {0}", partition.AeTitle);
bool result = _serverAdapter.Update(partition, groupsWithDataAccess);
if (result)
Platform.Log(LogLevel.Info, "Server Partition updated : AETitle = {0}", partition.AeTitle);
else
Platform.Log(LogLevel.Info, "Failed to update Server Partition: AETitle = {0}", partition.AeTitle);
return result;
}
public UpdateStudyCommand(ServerPartition partition,
StudyStorageLocation studyLocation,
IList<BaseImageLevelUpdateCommand> imageLevelCommands,
ServerRuleApplyTimeEnum applyTime)
: base("Update existing study")
{
_partition = partition;
_oldStudyLocation = studyLocation;
_commands = imageLevelCommands;
_statistics = new UpdateStudyStatistics(_oldStudyLocation.StudyInstanceUid);
// Load the engine for editing rules.
_rulesEngine = new ServerRulesEngine(applyTime, _partition.Key);
if (applyTime.Equals(ServerRuleApplyTimeEnum.SopProcessed))
_rulesEngine.AddIncludeType(ServerRuleTypeEnum.AutoRoute);
_rulesEngine.Load();
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="thePartition"></param>
/// <param name="location"></param>
/// <param name="thePatient"></param>
/// <param name="theStudy"></param>
public StudyEditor(ServerPartition thePartition, StudyStorageLocation location, Patient thePatient, Study theStudy, WorkQueue workQueue)
{
FailureReason = string.Empty;
Platform.CheckForNullReference(thePartition, "thePartition");
Platform.CheckForNullReference(location, "location");
Platform.CheckForNullReference(thePatient, "thePatient");
Platform.CheckForNullReference(theStudy, "theStudy");
ServerPartition = thePartition;
StorageLocation = location;
Patient = thePatient;
Study = theStudy;
_workQueue = workQueue;
// Scrub for invalid characters that may cause a failure when the Xml is generated for the history
Patient.PatientId = XmlUtils.XmlCharacterScrub(Patient.PatientId);
Patient.PatientsName = XmlUtils.XmlCharacterScrub(Patient.PatientsName);
Study.StudyDescription = XmlUtils.XmlCharacterScrub(Study.StudyDescription);
Study.ReferringPhysiciansName = XmlUtils.XmlCharacterScrub(Study.ReferringPhysiciansName);
Study.PatientId = XmlUtils.XmlCharacterScrub(Study.PatientId);
Study.PatientsName = XmlUtils.XmlCharacterScrub(Study.PatientsName);
}
/// <summary>
/// Get the server partition
/// </summary>
/// <param name="partitionFolderName"></param>
/// <param name="partition"></param>
/// <returns></returns>
private bool GetServerPartition(string partitionFolderName, out ServerPartition partition)
{
foreach (ServerPartition part in _partitions)
{
if (part.PartitionFolder == partitionFolderName)
{
partition = part;
return true;
}
}
partition = null;
return false;
}
/// <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>
static public Device LookupDevice(ServerPartition partition, AssociationParameters association, out bool isNew)
{
isNew = false;
Device device = null;
using (
IUpdateContext updateContext =
PersistentStoreRegistry.GetDefaultStore().OpenUpdateContext(UpdateContextSyncMode.Flush))
{
var queryDevice = updateContext.GetBroker<IDeviceEntityBroker>();
// Setup the select parameters.
var queryParameters = new DeviceSelectCriteria();
queryParameters.AeTitle.EqualTo(association.CallingAE);
queryParameters.ServerPartitionKey.EqualTo(partition.GetKey());
var devices = queryDevice.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
};
var update = updateContext.GetBroker<IDeviceEntityBroker>();
if (!update.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};
var update = updateContext.GetBroker<IDeviceEntityBroker>();
if (!update.Update(device.GetKey(), updateColumns))
Platform.Log(LogLevel.Error,
"Unable to update LastAccessedTime device {0} on partition '{1}'",
device.AeTitle, partition.Description);
else
updateContext.Commit();
}
}
}
return device;
}
/// <summary>
/// Find a <see cref="Study"/> with the specified study instance uid on the given partition.
/// </summary>
/// <param name="studyInstanceUid"></param>
/// <param name="partition"></param>
/// <returns></returns>
///
static public Study Find(IPersistenceContext context, String studyInstanceUid, ServerPartition partition)
{
IStudyEntityBroker broker = context.GetBroker <IStudyEntityBroker>();
StudySelectCriteria criteria = new StudySelectCriteria();
criteria.ServerPartitionKey.EqualTo(partition.GetKey());
criteria.StudyInstanceUid.EqualTo(studyInstanceUid);
Study study = broker.FindOne(criteria);
return(study);
}
private static StudyStorageLocation FindStudyStorageLocation(IUpdateContext context, ServerPartition partition, string studyInstanceUid)
{
var procedure = context.GetBroker<IQueryStudyStorageLocation>();
var parms = new StudyStorageLocationQueryParameters
{
ServerPartitionKey = partition.GetKey(),
StudyInstanceUid = studyInstanceUid
};
return procedure.FindOne(parms);
}
public StudyRulesEngine(StudyStorageLocation location, ServerPartition partition)
{
_location = location;
_partition = partition ?? ServerPartition.Load(_location.ServerPartitionKey);
}
/// <summary>
/// Delete the specified partition
///
/// </summary>
/// <param name="partition"></param>
/// <returns></returns>
public bool Delete(ServerPartition partition)
{
Platform.Log(LogLevel.Info, "Deleting server partition: AETitle = {0}", partition.AeTitle);
try
{
using (IUpdateContext ctx = PersistentStoreRegistry.GetDefaultStore().OpenUpdateContext(UpdateContextSyncMode.Flush))
{
var broker = ctx.GetBroker<IDeleteServerPartition>();
var parms = new ServerPartitionDeleteParameters
{
ServerPartitionKey = partition.Key
};
if (!broker.Execute(parms))
throw new Exception("Unable to delete server partition from database");
ctx.Commit();
}
Platform.Log(LogLevel.Info, "Server Partition deleted : AETitle = {0}", partition.AeTitle);
return true;
}
catch (Exception e)
{
Platform.Log(LogLevel.Info, e, "Failed to delete Server Partition: AETitle = {0}", partition.AeTitle);
return false;
}
}
/// <summary>
/// Checks if a specified partition can be edited
/// </summary>
/// <param name="partition"></param>
/// <returns></returns>
public bool CanEdit(ServerPartition partition)
{
return !partition.ServerPartitionTypeEnum.Equals(ServerPartitionTypeEnum.VFS);
}
/// <summary>
/// Checks if a specified partition can be deleted
/// </summary>
/// <param name="partition"></param>
/// <returns></returns>
public bool CanDelete(ServerPartition partition)
{
return partition.StudyCount <= 0 && !partition.ServerPartitionTypeEnum.Equals(ServerPartitionTypeEnum.VFS);
}
private static bool GetStudyStorage(ServerPartition partition, string studyInstanceUid, out StudyStorage storage)
{
using (ServerExecutionContext context = new ServerExecutionContext())
{
storage = StudyStorage.Load(context.ReadContext, partition.Key, studyInstanceUid);
if (storage != null)
return true;
return false;
}
}
/// <summary>
/// Find a <see cref="Study"/> with the specified study instance uid on the given partition.
/// </summary>
/// <param name="studyInstanceUid"></param>
/// <param name="partition"></param>
/// <returns></returns>
///
static public Study Find(IPersistenceContext context, String studyInstanceUid, ServerPartition partition)
{
IStudyEntityBroker broker = context.GetBroker<IStudyEntityBroker>();
StudySelectCriteria criteria = new StudySelectCriteria();
criteria.ServerPartitionKey.EqualTo(partition.GetKey());
criteria.StudyInstanceUid.EqualTo(studyInstanceUid);
Study study = broker.FindOne(criteria);
return study;
}
/// <summary>
/// Inserts delete request(s) to delete a sop instance in a study.
/// </summary>
/// <param name="context">The persistence context used for database connection.</param>
/// <param name="partition">The <see cref="ServerPartition"/> where the study resides</param>
/// <param name="studyInstanceUid">The Study Instance Uid of the study</param>
/// <param name="seriesInstanceUid">The Series Instance Uid of the study</param>
/// <param name="sopInstanceUids">The SOP Instance Uid of the instances to be deleted.</param>
/// <param name="reason">The reason for deleting the sops.</param>
/// <returns>A list of DeleteStudy <see cref="WorkQueue"/> entries inserted into the system.</returns>
/// <exception cref="InvalidStudyStateOperationException"></exception>
/// <exception cref="ExternalRequestDelayProcessingException"></exception>
public static WorkQueue DeleteInstances(IUpdateContext context, ServerPartition partition,
string studyInstanceUid, string seriesInstanceUid,
List<string> sopInstanceUids, string reason)
{
StudyStorageLocation location;
FilesystemMonitor.Instance.GetWritableStudyStorageLocation(partition.Key, studyInstanceUid,
StudyRestore.False, StudyCache.True, out location);
string failureReason;
try
{
if (LockStudyForDeletion(location.Key, out failureReason))
{
WorkQueue deleteItem = null;
// insert a delete series request
foreach (string uid in sopInstanceUids)
{
deleteItem = InsertDeleteInstanceRequest(context, location, seriesInstanceUid, uid,
reason);
if (deleteItem == null)
throw new ApplicationException(
String.Format("Unable to insert a Delete Series request for SOP Instance {0} in study {1}",
uid, location.StudyInstanceUid));
}
return deleteItem;
}
}
catch (Exception ex)
{
Platform.Log(LogLevel.Error, ex, "Errors occurred when trying to insert delete instance request");
if (!ReleaseDeletionLock(location.Key))
Platform.Log(LogLevel.Error, "Unable to unlock the study: " + location.StudyInstanceUid);
throw;
}
throw new ApplicationException(String.Format("Unable to lock storage location {0} for deletion of sop instances: {1}",
location.Key, failureReason));
}
protected void Page_Load(object sender, EventArgs e)
{
ServerPartitionDataAdapter adaptor = new ServerPartitionDataAdapter();
ServerPartitionSelectCriteria criteria = new ServerPartitionSelectCriteria();
criteria.AeTitle.EqualTo(Request.QueryString[ImageServerConstants.QueryStrings.ServerAE]);
_partition = adaptor.GetFirst(criteria);
for(int i=1;;i++)
{
string qs = string.Format(ImageServerConstants.QueryStrings.StudyUID + "{0}", i);
string studyuid = Request.QueryString[qs];
if(!string.IsNullOrEmpty(studyuid))
{
_studies.Add(LoadStudy(studyuid));
}
else
{
break;
}
}
StudyGridPanel.StudyList = _studies;
LoadDevices();
if (DHCPFilter.Items.Count == 0)
{
DHCPFilter.Items.Add(new ListItem(SR.All));
DHCPFilter.Items.Add(new ListItem(SR.DHCP));
DHCPFilter.Items.Add(new ListItem(SR.NoDHCP));
}
IList<DeviceTypeEnum> deviceTypes = DeviceTypeEnum.GetAll();
if (DeviceTypeFilter.Items.Count == 0)
{
foreach (DeviceTypeEnum t in deviceTypes)
{
DeviceTypeFilter.Items.Add(new ListItem(ServerEnumDescription.GetLocalizedDescription(t), t.Lookup));
}
}
else
{
ListItem[] typeItems = new ListItem[DeviceTypeFilter.Items.Count];
DeviceTypeFilter.Items.CopyTo(typeItems, 0);
DeviceTypeFilter.Items.Clear();
int count = 0;
foreach (DeviceTypeEnum t in deviceTypes)
{
DeviceTypeFilter.Items.Add(new ListItem(ServerEnumDescription.GetLocalizedDescription(t), t.Lookup));
DeviceTypeFilter.Items[count].Selected = typeItems[count].Selected;
count++;
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (Page.IsPostBack)
{
if (ViewState["_EditMode"] != null)
_editMode = (bool) ViewState["_EditMode"];
if (ViewState["_ServerPartition"] != null)
_partition = (ServerPartition) ViewState["_ServerPartition"];
if (ViewState["_EdittedRule"] != null)
{
var ruleKey = ViewState["_EdittedRule"] as ServerEntityKey;
_rule = ServerRule.Load(ruleKey);
}
}
}